AVC Technology Prestige 100 Solo, Prestige 120 Solo, Prestige 42 Solo, Prestige 32 Solo, Prestige 24 Excellence User Manual
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SYSTEM CONTROL - ACVMAX
42 - 50 - 75 - 100 - 120 Solo
24 - 32 Solo
24 - 32
Excellence
32 Excellence LG
Prestige
For boilers produced in 2015
System Control - ACVMax: 6 60Y2800 • C
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TABLE OF CONTENTS
RECOMMENDATIONS .....................................................................................................3
Important ins tructions - read before proce eding ............................................................................................................3
USER'S GUIDE ...................................................................................................................4
How to use this manual .............................................................................................................................................................. 4
Boiler Easy set up ...........................................................................................................................................................................4
ACVMax Operating information ............................................................................................................................................. 5
APPLIANCE DESCRIPTION AND OPERATION ..............................................................5
Control panel description ..........................................................................................................................................................5
Home page description..............................................................................................................................................................5
Installer Code.................................................................................................................................................................................. 5
Installer menu st ructure .............................................................................................................................................................6
Installer menu description ........................................................................................................................................................6
CONFIGURATION OF REGU LAR SYSTEMS ..................................................................26
Electrical Cha racteristics Prestige 42 - 50 - 75 Solo ...................................................................................................... 26
Electrical Cha racteristics Prestige 100-120 Solo ........................................................................................................... 28
Electrical Cha racteristics Prestige 24-32 Solo/E xcellence ......................................................................................... 30
CONFIGURATION OF REGU LAR SYSTEMS - PREST IGE SOLO (2 PUMPS) .................32
General............................................................................................................................................................................................32
Pumps..............................................................................................................................................................................................32
Accessing the preset cong uration page for Solo (2 pumps) ...................................................................................32
PRESET CO NFIGURATION 1 - SOLO (2 PUM PS) ..........................................................33
High temperature h eating circuit, possibly with option al outdoor temperature sensor and ro om ther-
mostat, withou t DHW circuit. .................................................................................................................................................33
High temperature h eating circuit, circulator pumps on return li nes, possibly with optional outdo or
temperature senso r and room thermostat, and with DH W circuit. ........................................................................33
High temperature h eating circuit, circulator pumps on supply l ines, possibly with optional outdo or
temperature senso r and room thermostat, and with DH W circuit. ....................................................................... 34
High temperature h eating circuit, with additional load p ump, possibly with optional outdoo r tempera-
ture sensor and room t hermostat, and with DHW circuit. ........................................................................................ 34
High temperature h eating circuits, with additional lo ad pump, possibly with optional outdo or temper-
ature sensor and room t hermostats, and with DHW circuit . .....................................................................................35
High temperature h eating circuits, with additional lo ad pump, possibly with optional outdo or temper-
ature sensor and room t hermostats, and with DHW circuit . .....................................................................................35
PRESET CO NFIGURATION 4 - SOLO (2 PUM PS) ..........................................................36
High temperature h eating circuits, with additional lo ad pump, possibly with optional outdo or temper-
ature sensor and room t hermostats, and with DHW circuit . ....................................................................................36
High temperature h eating circuits, with additional lo ad pump, possibly with optional outdo or temper-
ature sensor and room t hermostats, and with DHW circuit . .....................................................................................37
PRESET CO NFIGURATION 3 - SOLO (2 PUM PS) ..........................................................38
High temperature h eating circuits controlled through so lenoid valves, with additional lo ad pump,
possibly with opti onal outdoor temperature sensor a nd room thermostats, and with D HW circuit and
DHW sensor. ................................................................................................................................................................................. 38
High temperature h eating circuits controlled through so lenoid valves, possibly with opti onal outdoor
temperature senso r and room thermostats, and wit h DHW circuit and DHW sensor. ...................................39
PRESET CO NFIGURATION 7 - SOLO (2 PUM PS) ..........................................................40
High and Low temperatu re heating circuits, with room control o n Heating Circuit 1 (CH1) and possible
second room control , possibly with optional outdoor te mperature sensor and room therm ostat. ........ 40
High and Low temperatu re heating circuits, with room control o n Heating Circuit 1 (CH1) and possible
second room control , possibly with optional outdoor te mperature sensor and room therm ostat, and
with DHW circuit. ........................................................................................................................................................................41
PRESET CO NFIGURATION 9 - SOLO (2 PUM PS) ..........................................................42
High and low temperat ure heating circuits, possibly with o ptional outdoor temperature sens or and
room thermost at, and with DHW circuit. ..........................................................................................................................42
PRESET CO NFIGURATION 12 - SOLO (2 PUMPS) ........................................................ 43
High and Low temperatu re heating circuit, possibly with opti onal outdoor temperature sensor a nd
room thermost at, and with DHW circuit. ..........................................................................................................................43
CONFIGURATION OF CASCADE SYSTEM S - SOLO (2 PUMPS) ..................................44
CASCADE MENU DE SCRIPTION AN D OPERATION - SOLO (2 PUMPS) ....................46
Cascade system connection (4-boiler Cascade) ............................................................................................................50
Cascade start-up process .........................................................................................................................................................51
Accessing the Cascade Auto detection page ...................................................................................................................51
PRESET CO NFIGURATION 2 (CASC ADE) - SOLO (2 PUMPS) ......................................52
3-boiler cas cade conguration, high temperatu re, with DHW circuit ...................................................................52
3-boiler cas cade conguration, high temperatu re, with DHW circuit .................................................................. 54
PRESET CO NFIGURATION 5 (CASC ADE) - SOLO (2 PUMPS) ......................................56
3-boiler cas cade conguration, with two high tem perature heating circuits and DHW circ uit .................56
CONFIGURATION OF REGU LAR SYSTEMS - PREST IGE SOLO/EXCELLENCE (3-WAY
VALVE ) ............................................................................................................................58
General........................................................................................................................................................................................... 58
Pumps............................................................................................................................................................................................. 58
PRESET CO NFIGURATION 1 - PREST IGE SOLO/EXCELLENCE (3-WAY VALVE).........59
Accessing the preset cong uration page for the Solo/Excel . (3-way valve) ........................................................59
Two heating circuits, with two ro om thermostats and optional o utdoor sensor, and with DHW circuit. ...
59
PRESET CO NFIGURATION 2 - PREST IGE SOLO/EXCELLENCE (3-WAY VALVE).........60
Two heating circuits, with optio nal outdoor temperature sensor an d room thermostats, and with DH W
circuit. ............................................................................................................................................................................................. 60
PRESET CO NFIGURATION 3 - PREST IGE SOLO/EXCELLENCE (3-WAY VALVE)......... 61
High and Low temperatu re heating circuits, with optional ou tdoor temperature sensor and roo m
thermostats, and with DHW circuit. ....................................................................................................................................61
PRESET CO NFIGURATION 4 - PREST IGE SOLO/EXCELLENCE (3-WAY VALVE).........62
High and Low temperatu re heating circuits, with optional ou tdoor temperature sensor and roo m
thermostats, and with DHW circuit. ................................................................................................................................... 62
ACVMAX PARAMETE RS FOR THE SPECIA LIST ...........................................................63
List of Status Line Messa ges .................................................................................................................................................. 63
List of Information I tems .........................................................................................................................................................64
BLOCK AGE AND ERROR CODES ..................................................................................65
NOTE
This manual contains important information with respect to the installation and set-up of the boiler.
This manual must be provided to the installer, who will keep it in a safe place.
We accept no liability should any damage result from the failure to comply with theinstructions
contained in this technical manual.
Essential recommendations for safety
• It is prohibited to c arry out any modific ations to the appliance with out the
manufacturer’s prior and written agreement.
• The appliance must be s et up by a qualified inst aller, in accordance with applica ble
standards and regulations.
• The installation must comply with the instructions contained in the b oiler's
installation manual and with the standards and regulations applicable to
installations.
• Failu re to comply with the instruc tions in this manual could re sult in personal
injury or a risk of e nvironmental pollution.
• The manufac turer declines all liabi lity for any damage cause d as a result of
incorrect ins tallation or in the event of the us e of appliances or accessori es that are
not specifi ed by the manufacturer.
Essential recommendations for the correct operation of the appliance
• To guarantee the correct ope ration of the installatio n, it is essential to carry o ut the
adjustments in a ccordance with the instructio ns in this manual.
• In order to ensure that the appliance operates co rrectly, it is essential to ins pect
and service th e boiler every year.
• Faulty p arts may only be replaced by ge nuine factory part s.
General remark
• The manufacturer reserves the right to change the technical characteristics and
features of its products without prior notice.
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If you smell gas:
- Immediately isolate the gas supply.
- Open windows and doors to ventilate the area.
- Do not use any electrical appliances and do not operate any switches.
- Immediately notify your gas supplier and/or your installer.
IMPORTANT INSTRUCTIONS - READ BEFORE PROCEEDING
Essential recommendations for safety
• This docume nt is intended to be used by a fac tory trained and qua lified heating
contractor or se rvice technician only. Read all instructions withi n this document and
within the PREST IGE Boiler Installation an d Maintenance Manual before p roceeding.
• It is recommen ded to follow the procedures in the steps given. Skip ping or missing
procedural ste ps could result in severe per sonal injury, death or subst antial property
damage.
• T his appliance is not intended for use by persons (including children) with reduce d
physical, senso ry or mental capabil ities, or lack of experi ence and knowledge, un less
supervise d or unless they have been given in struction concerning the use of the
appliance by a per son responsible for their s afety.
• Children shou ld be supervised to ensur e that they do not play with the applian ce.
RECOMMENDATIONS
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USER'S GUIDE
HOW TO USE THIS MANUAL
This manual is for the exclu sive use of ACV-approved installers.
The rst sec tion of the manual contains a description o f the ACVMax controller and of the keys, scre ens
and menus used to make the a djustments.
The next se ction presents various heating system diagrams and the list of the accessories required
for each specic s ystem. The electrical connection diagrams are a lso included as well as the specic
settings of the AC VMax to be made using the installer access co de provided in this manual.
Finally, the last sectio n contains the explanation of the s tatus and information messa ges as well as the
blockage and er ror codes displayed on the ACVMa x screen, which will allow the inst aller to troubleshoot
the possible fault s.
For any other heating sys tem conguration than those in this manual, please contact your ACV re pres
entative.
BOILER EASY SETUP
The main paramete rs of the Prestige boilers c an be set up using the EZ (easy) setup function of the
controller. The EZ setup f unction allows the user/installer to quic kly setup the appliance for immediate
operation according to the system conguration. Re fer to the appliance Installatio n, Operation and
Maintenance Instruc tions.
1
3
2
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
Radiator icon : indicates that a central heating call has been received. A
small number 1 or 2 indicates which
CH calls are active
Tap icon : indicates that a DHW call
has been received.
Circulator icons : indicate which
circulators are currently powered.
Basic information. The user can
toggle the items using the LEFT and
RIGHT keys and view target, Supply,
Return, Domestic, Outdoor and System
temperatures.
Status line : displays the current operating state of the boiler. See “List of
Status Line Messages” on page 63.
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APPLIANCE DESCRIPTION AND OPERATION
ACVMAX OPERATING INFORMATION
The ACVMax sys tem control is designed to be exible yet easy to use. It monitors and co ntrols the
boiler to operate as e ciently as possible. ACVMax monitors the boiler supply, return and ue gas
temperatures and op erates the igniter, gas valve and blower. It uses this information to modulate the
boiler’s ring rate to maintain the required setpoint. ACVMax oers many advance d control options,
which may be adjusted fo r various applications to achieve optimum b oiler eciency and operat ion.
• Two central / space heating (CH) call inputs w ith separate outdoor curves.
• A Domestic Hot Water (DH W) call input with optional prior ity.
• System temperature se nsing and control with an optional system te mperature sensor.
• A cascade func tion. It allows up to four Prestige Solo b oilers (2 pumps) to operate together in a single
heating system.
• A Modbus interf ace for integrating with building manag ement systems.
These advanced f eatures are adjustable in the Ins taller Menu after entering an access code. Refer to
"Installer Code" o n page 5 for more details
CONTROL PANEL DESCRIPTION
1. ACVMa x LCD Disp lay - It is the setup inter face of the boiler and indicates the par ameter values,
the error codes and the set-up s tatus of the parameters. It displays a series o f screens, each showing
information and/or icons. The main icons are d etailed hereafter.
2. Installer but ton - Allows the installer to access the menus of the ACVMa x controller to set up the
system.
3. Arrow key s and OK key - To browse through the screens of the ACVMax controller, set up the boiler,
increase and decrease the displayed v alues and validate the selections and access the E asy set-up screens.
The OK key is also used to RESET th e boiler after a blocking (following th e instructions on the screen).
Main Icons of ACVMax display
Central Heating - indicates information related to the CH circuit.
DHW - indicates information related to the Dom estic Hot Water circuit.
Home - to go back to the main menu screen.
Back - to go back to the previous screen.
Pump - ind icates a pump is operating.
For more informati on on how to use the ACVMax control pan el, please refer to the appli ance
Installation, Operation and Maintenance Instructions provided with the appliance.
HOME PAGE DESCRIPTION
INSTALLER CODE
Through the use of the sp ecic code «54», the installer c an access various setup screens, in order to
dene a large set of pa rameters and adapt the operatio n of the ACVMax to the system congurati on.
To navigate on the screen, use the UP, DOWN, LEFT and RIGHT keys,
OK
then the OK key to validate
a selection. To increase/decrease values, use the UP and DOWN keys. or LEFT and RIGHT,
according to the situation
General remarks
• Entering the ins taller access code allows the installer to make adjustme nts for 30
minutes. After 3 0 minutes, the access code will need to be entered again to make any
adjustments.
• If the end user m isuses the installer cod e to access installer-speci fic parameters and
makes changes that c ause a system failure, any warrant y claim will be void.
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
ENTER ACCESS CODE
05[4]
CH Settings
CH & DHW Settings
Reset All Settings
Press OK
to restore factory settings,
any other button
to keep current settings.
Cascade Info.
?
Manual Operation
FAN
CH1
CH2
DHW
Released
O
O
O
Select a digit using the LE FT and
RIGHT buttons, and increase or
decrease the digit value using the
UP and DOWN buttons.
1x
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APPLIANCE DESCRIPTION AND OPERATION
INSTALLER MENU STRUCTURE
INSTALLER MENU DESCRIPTION
The installer Me nu contains the following icons :
1.
CH & DHW Settings – Allows the installer to adjust the boilers central/space heating and
domestic hot water s ettings for the application. Refer to "CH & DHW Settings / H eating Settings"
on page 7.
2.
Manual Operation – The burner and circulators can be manually e nabled for testing. Refe r to
"Manual Operati on" on page 25 .
3.
Cascade Settings – Allows the installer to s etup, adjust and monitor the Casca de System. Refer
to "Configuration o f Cascade systems - Solo (2 pumps)" on page 4 4.
3.
Reset All Settings – Resets all CH, DHW, and Casc ade Settings back to the factor y settings (see
table below). Refer to " Reset all settings" on page 24.
CH Parameters Factory Setting EZ Setup
Heating Operation Enabled
Demand Thermostat & Outd. Curve
ü
Absolute Max CH Setpoint 87°C
CH1 Max Setpoint 82°C
ü
CH1 Min Setpoint 49°C
ü
Outdoor Curve Coldest Day -12°C
Outdoor Curve Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max Setpoint 60°C
ü
CH2 Min Setpoint 27°C
ü
Warm Weather Shutdown O
ü
Circulation pump permanent Disabled
CH Post Pump time 5 min
Freeze Protection Enabled
Frost Protection Setpoint -30°C
Parallel Shift Value 0°C
CH Call Blocking 2 min
5. Home - to go back to the home pag e.
6.
Back - to go back to the previ ous screen.
CH & DHW Settings
Reset All Settings
Cascade Information
Manual Operation
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings
CH Settings
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max. CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
The Heating Settings menu contains settings related to central heating operation. Each
line contains a CH Setting followed by its current value. Six CH Settings are displayed on
the screen at one time.
Heating Operation
Disabled
Enabled
Heating Operation allows the central heating function to be enabled and disabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button
to store the setting.
Enabled - The Prestige will respond to a central heating call.
Disabled - The Prestige will not respond to a central heating call. The heating operation
disabled icon (
) is displayed on the home screen when central heating
operation has been disabled.
When heating is dis abled the frost protec tion will still be active.
Default: Enabled
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max. CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max. CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Demand Type allows the installer to select how a CH Demand is generated.
Press the UP or DOWN buttons to select the CH Demand Type then press the OK button
to store the setting.
Thermostat & Setpoint - A central heating call from a dry contact switch will enable the
Prestige and the setpoint will be xed for central heating calls.
Default: Thermostat and Outd. Curve
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating settings (Cont'd)
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Thermostat & Outdoor Curve – A central heating call from a dry contact switch will enable the Prestige
and the setpoint will vary with the outdoor temperature for central heating calls.
Press on OK to validate the selection.
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Constant & Outd. Curve - The Prestige will maintain setpoint and the central heating circulators will be
constantly enabled without an external call from a dry contact switch. The central heating circulators will be
disabled when the outdoor temperature exceeds the Warm Weather Shutdown Temperature setting. The
setpoint will vary with the outdoor temperature for central heating calls.
Press on OK to validate the selection.
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Constant & Setpoint - The Prestige will maintain setpoint and the central heating circulators will be constantly enabled without an external call from a dry contact switch. The central heating circulators
will be disabled when the outdoor temperature exceeds the Warm Weather Shutdown Temperature setting. The setpoint will be xed for central heating calls.
Press on OK to validate the selection.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings (Cont'd)
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10 V Modulation Signal
0 - 10V Modulation Signal - This option allows the Prestige ring rate to be controlled by an external control
system.
Based on the control input voltage, the appliance will start to operate for heat demand. The CH temperature is
limited by the Absolute maximum temperature (87°C).
• 0 – 2V appliance is o.
• 2 – 10 V linear power increase from minimum to maximum output.
• 10 – 2 V linear power decrease from maximum to minimum output.
• 2 – 1 V appliance on minimum capacity.
• 1 - 0 V appliance o.
max
min
output
0 1 2 3 4 5 6 7 8 9 10
Voltage
Press on OK to validate the selection.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating settings (Cont’d)
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max. CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Abs. Max
CH Setpoint
87°C
20°C 87°C
Absolute Max CH Setpoint limits the setpoint during a central heating call. This setting can
be used to prevent a user from adjusting the central heating setpoint or outdoor curve above
a safe operating temperature in the EZ Setup Menu. A warning screen will be displayed in EZ
Setup if the user attempts to raise the setpoint above the Absolute Max CH Setpoint. The Absolute Max CH Setpoint will be displayed on the outdoor curve in EZ Setup if the user selects an
outdoor curve which goes above the Absolute Max CH Setpoint.
Press the LEFT or RIGHT buttons to adjust the Absolute Max CH Setpoint then press the OK
button to store the setting.
Default: 87°C
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
CH1 Max.
Setpoint
82°C
20°C 87°C
CH1 Maximum Setpoint is the maximum setpoint for a CH1 heating call when an Outdoor Curve option is chosen in Demand Type. CH1 Maximum Setpoint is the xed setpoint
for a CH1 heating call when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the CH1 Maximum Setpoint then press the OK
button to store the setting.
Default: 82°C
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
CH1 Min.
Setpoint
49°C
15°C 87°C
CH1 Minimum Setpoint is the minimum setpoint for a CH1 heating call when an Outdoor Curve option is chosen in Demand Type. This setting is not applicable when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the CH1 Minimum Setpoint then press the OK
button to store the setting.
Default: 49°C
49
18
82
CH1 (°C)
O.T. (°C)
-12
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating settings (Cont’d)
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Heating Settings
Heating Operation Enabled
Demand Thermostat & Setpoint
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve
Coldest Day
-12°C
-34°C 10°C
Outdoor Curve Coldest Day is the coldest outdoor design temperature of the heating system when an Outdoor Curve option is chosen in Demand Type. This setting is not applicable
when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the Outdoor Curve Coldest Day then press the OK
button to store the setting.
Default: -12°C
Heating Settings
Demand Thermostat & Setpoint
Abs. Max. CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve / Warmest Day 18°C
Outdoor Curve
Warmest Day
18°C
15°C 25°C
Outdoor Curve Warmest Day is the warmest outdoor design temperature of the heating system when an Outdoor Curve option is chosen in Demand Type. This setting is not
applicable when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the Outdoor Curve Warmest Day then press
the OK button to store the setting.
Default: 18°C
The temperatur es of Outdoor Curve Col dest Day and Outdoor Cu rve Warmest Day
are identical to th ose of CH1.
Heating Settings
Abs. Max CH Setpoint 87°C
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 / CV2 Circuit
Disabled
Enabled
CH2 Circuit allows the CH2 heating call to be enabled and disabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button
to store the setting.
Enabled – The Prestige will respond to a CH2 heating call
Disabled – The Prestige will not respond to a CH2 heating call
Default: Enabled
Heating Settings
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Max.
Setpoint
60°C
20°C 90°C
CH2 Maximum Setpoint is the maximum setpoint for a CH2 heating call when an Outdoor Curve option is chosen in Demand Type. CH2 Maximum Setpoint is the xed setpoint
for a CH2 heating call when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the CH2 Maximum Setpoint then press the OK
button to store the setting.
Default: 60°C
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings (Cont’d)
Heating Settings
CH1 Max. Setpoint 82°C
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
Heating Settings
CH1 Min. Setpoint 49°C
Outdoor Curve / Coldest Day -12°C
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
CH2 Min.
Setpoint
27°C
15°C 60°C
CH2 Minimum Setpoint is the minimum setpoint for a CH2 heating call when an Outdoor Curve option is chosen in Demand Type. This setting is not applicable when a Setpoint option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the CH2 Minimum Setpoint then press the OK
button to store the setting.
Default: 27°C
Heating Settings
Outdoor Curve Coldest Day -12°C
Outdoor Curve Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Warm Weather Shutdown
O
O 25°C
Warm Weather Shutdown allows to enter an optional outdoor temperature at which to disable the central heating function. The Prestige will continue to respond to a domestic hot water
call or a 0- 10V Modulation Signal when the outdoor temperature exceeds the Warm Weather
Shutdown Temperature setting.
Press the LEFT or RIGHT buttons to adjust the Warm Weather Shutdown Temperature then
press the OK button to store the setting and complete the Heating setting.
The Warm Weather Shutdown icon (
) is displayed on the home screen when the outdoor
temperature reaches the Warm Weather Shutdown Temperature.
Default: OFF.
Heating Settings
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
Circulation Pump
Permanent
Disabled
Enabled
Circulation Pump Permanent allows the central heating circulators to be constantly enabled even without a central heating call. A domestic hot water call
will cause the circulators to be disabled during the domestic call as long as DHW
Priority is enabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK
button to store the setting.
• Enabled – The central heating circulators will be enabled for constant circulation without a central heating call.
• Disabled – The central heating circulators will only be enabled during a central heating call.
Default: Disabled
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings (Cont’d)
Heating Settings
Outdoor Curve / Warmest Day 18°C
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
Heating Settings
CH2/CV2 Circuit Enabled
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
CH Post
Pump Time
5 min
O 30 min
CH Post Pump Time sets how long the central heating circulators will continue to operate at the completion of a heating call. Refer to “Pumps” on page 32 to know which
pumps will continue to operate. Any call during the CH Post Pump Time will be ignored
until the post pump has completed. The CH Post Pump Time feature allows the heat remaining in the boiler at the completion of a call to be sent to the heating system, which
will improve the overall eciency of the system.
Press the LEFT or RIGHT buttons to adjust the CH Post Pump Time then press the OK
button to store the setting.
Default: 5 min
Heating Settings
CH2 Max. Setpoint 60°C
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
Freeze Protection Enabled
Freeze Protection
Enabled
Disabled
The Freeze Protection menu allows the feature to be enabled and disabled. The built-in frost
protection mechanism activates the system pumps as soon as the ow temperature [NTC1
probe] drops below 7°C. As soon as the ow temperature is at 5°C, the burner starts up until the
ow temperature rises above 15°C. The pumps continue to run for around 10 minutes.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button to
store the setting.
• Enabled – The Frost Prot ection fe ature protects the installation from freezing at a prede-
termined system ow temperature.
• Disabled – The Frost Protection feature is disabled. Only the pumps operate.
Default: Enabled
Heating Settings
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
Freeze Protection Enabled
Frost Protection Setpoint -30°C
Frost Protection
Setpoint
-30°C
-30°C 10°C
Frost Protection Setpoint allows to dene the outside air temperature at which the anti-freeze function is activated (only available if an outdoor temperature sensor is connected).
The pumps are activated when the outside temperature drops below the threshold dened
in this menu.
Press the LEFT or RIGHT buttons to adjust the Freeze temperature Setpoint then press
the OK button to store the setting.
In order to enabl e the Prestige boiler to pro tect the whole system ag ainst freezing, all
the valves of the radiators and the convectors should be completely open.
Default: -30°C
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Heating Settings (Cont’d)
Heating Settings
CH2 Min. Setpoint 27°C
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
Freeze Protection Enabled
Frost Protection Setpoint -30°C
Heating Settings
Warm Weather Shutdown O
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
Freeze Protection Enabled
Frost Protection Setpoint -30°C
Parallel Shift 0°C
Parallel Shift Value
0°C
0°C 80°C
Parallel Shift allows the CH setpoint to be externally adjusted when a Constant option is
chosen in Demand Type. When a Constant option is chosen in Demand Type, continuous
CH1 and CH2 heating calls are generated. Simultaneous CH1 and CH2 calls will result in
the Prestige operating at the highest CH1 or CH2 setpoint. The CH1 or CH2 Thermostat
terminals with the highest setpoint will be used to adjust the setpoint. If the Thermostat
terminals with the highest setpoint are open, the CH setpoint will decrease by the Parallel
Shift Value. If the Thermostat terminals with the highest setpoint are closed, the CH setpoint will return to the highest CH1 or CH2 setpoint
Press the LEFT or RIGHT buttons to adjust the Parallel Shift Value then press the OK
button to store the setting.
Default: 0°C
Heating Settings
Circulation Pump Permanent Disabled
CH Post Pump Time 5 min
Freeze Protection Enabled
Frost Protection Setpoint -30°C
Parallel Shift 0°C
CH Call Blocking 2 min
CH Call Blocking
2 min.
0 min. 30 min.
CH Call Blocking sets the minimum time between burner rings for central heating calls. At
the completion of a burner ring, the CH Call Blocking time will begin. The burner will not re
again until after the CH Call Blocking time has elapsed. The CH Call Blocking time only prevents
the burner from ring, the central heating circulators will respond to a central heating call. This
blocking time has no aect on domestic hot water calls. The CH Call Blocking feature prevents
short cycling of the burner and extends the life of the burner components.
Press the LEFT or RIGHT buttons to adjust the Parallel Shift Value then press the OK
button to store the setting.
Default: 2 min.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings
DHW Settings
DHW Settings
DHW Operation Enabled
Demand Thermostat
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
The DHW Settings menu contains settings related to domestic hot water operation.
Each line contains a DHW Setting followed by its current value. Six DHW Settings are
displayed on the screen at one time.
Press the UP or DOWN buttons to scroll through additional DHW Settings.
DHW Operation
Disabled
Enabled
DHW Operation allows the domestic hot water function to be enabled and disabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button
to store the setting.
• Enabled - The Prestige will respond to a domestic hot water call.
• Disabled - The Prestige will not respond to a domestic hot water call. The domestic hot
water operation disabled icon (
)is displayed on the home screen when
domestic hot water operation has been disabled.
DHW Operation default: Enabled
DHW Settings
DHW Operation Enabled
Demand Thermostat
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
Demand Type
Sensor
Thermostat
Demand Type allows the installer to select the type of device which will generate a domestic hot water call.
Press the UP or DOWN buttons to select the DHW Demand Type then press the OK button to store the setting.
The DHW Demand options are:
• Thermostat - A domestic hot water call from an aquastat or dry contact switch will
enable the Prestige with a xed setpoint for a domestic hot water call.
• Sensor - This option requires the use of an Indirect Water Heater Sensor. The Prestige
will monitor the DHW storage temperature and generate a domestic hot water call
when the temperature drops below the DHW Storage Setpoint - DHW On Dierential.
Default: Thermostat
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings (Cont’d)
DHW Settings
DHW Operation Enabled
Demand Thermostat
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Settings
DHW Operation Enabled
Demand Thermostat
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW
Boiler Setpoint
75°C
35°C 87°C
DHW Boiler Setpoint is the xed boiler setpoint temperature during a domestic hot water call when the Thermostat option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the DHW Boiler Setpoint then press the OK
button to store the setting.
Default: 75°C
DHW Settings
DHW Operation Enabled
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Settings
DHW Operation Enabled
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW
Setpoint
60°C
20°C 80°C
DHW Setpoint is the domestic hot water storage setpoint temperature when the Sensor
option is chosen in Demand Type.
Press the LEFT or RIGHT buttons to adjust the DHW Storage Setpoint then press the OK
button to store the setting.
Default: 60°C
The boiler set point is automatically set to the DHW Stora ge Setpoint + DHW Storage
adder when the S ensor option is chosen in DHW demand
DHW Settings
DHW Operation Enabled
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW On Dierential
3°C
2°C 10°C
DHW On Dierential sets how far the DHW storage temperature must fall below the
DHW Storage Setpoint to create a domestic hot water call when the Sensor option is
chosen in Demand Type. The domestic hot water call will end when the DHW storage
temperature rises above the DHW Storage Setpoint.
Press the LEFT or RIGHT buttons to adjust the DHW On Dierential then press the OK
button to store the setting.
Default: 3°C
The DHW on differential setting greatly affects the production of domestic hot water.
A low setting coul d result in a rapid response to a dom estic hot water call resulting i n a
potential scal d hazard. It is strongly re commended that the insta ller use a thermostatic
mixing valve on the h ot water outlet of the Indirect Water Heater. Failure to comply
could result in sever e personal injury, death, or su bstantial propert y damage.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings (Cont’d)
DHW Settings
DHW Operation Enabled
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Settings
DHW Operation Enabled
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Storage Adder
15°C
5°C 30°C
DHW Storage Adder is used to compute the boiler setpoint when the Sensor option is
chosen in Demand Type. The boiler setpoint will be DHW Storage Setpoint + DHW Storage
Adder for a domestic hot water call.
Press the LEFT or RIGHT buttons to adjust the DHW Storage Adder then press the OK
button to store the setting.
Default: 15°C
DHW Settings
Demand Sensor
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Post
Pump Time
1 min
O 30 min
DHW Post Pump Time sets how long the domestic hot water circulator will continue
to operate at the completion of a domestic hot water call. Any call during the DHW Post
Pump Time will be ignored until the post pump has completed. The DHW Post Pump
feature allows the heat remaining in the boiler at the completion of a call to be sent to the
Indirect Water Heater, which will improve the overall eciency of the system.
Press the LEFT or RIGHT buttons to adjust the DHW Post Pump Time then press the OK
button to store the setting.
Default : 1 min.
DHW Settings
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Timeout
O
O 120 min.
DHW Priority Timeout allows the installer to enter an optional time limit that a domestic
hot water call has priority over a central heating call when DHW Priority is set to Enabled.
Press the LEFT or RIGHT buttons to adjust the DHW Priority Timeout then press the OK
button to store the setting.
Default: O
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings (Cont’d)
DHW Settings
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Settings
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Priority
Enabled
Disabled
DHW Priority allows the domestic hot water priority function to be enabled and disabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button
to store the setting.
• Enabled- Domestic hot water calls will have priority over a central heating call. The boiler setpoint
will be set to the domestic hot water setpoint during a domestic hot water call. The DHW circulator
will be enabled and the heating circulators will be disabled during a domestic hot water call.
• Disabled - Domestic hot water calls will not have priority over a central heating call. The boiler
setpoint will be set to the domestic hot water setpoint when only a domestic hot water call is
present. The boiler setpoint will be set to the highest setpoint when simultaneous domestic
hot water and central heating calls are present. The DHW circulator will be enabled during a
domestic hot water call. The heating circulators will be enabled during a central heating call.
Default: Enabled
DHW Settings
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW Call
Blocking
0 min.
0 min. 30 min.
DHW Call Blocking sets the minimum time between burner rings for domestic hot water calls.
At the completion of a burner ring, the DHW Call Blocking time will begin. The burner will not
re again until after the DHW Call Blocking time has elapsed. The DHW Call Blocking time only
prevents the burner from ring, the domestic hot water circulator will respond to a domestic hot
water call. This blocking time has no aect on central heating calls. The DHW Call Blocking feature
prevents short cycling of the burner and extends the life of the burner components.
Press the LEFT or RIGHT button to adjust the DHW Call Blocking time then press the OK
button to store the setting.
Default: 0 min.
Simultaneou s domestic hot water and central h eating calls will result in the PR ESTIGE
operating at the hi ghest target tempe rature when DHW Priority is s et to disabled. The
use of a mixing device on the lower temperature zo nes may be required to prote ct
the lower temperature zones from damage
DHW Settings
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW to CH Call Blocking 1 min
DHW to CH
Call Blocking
1 min.
0 min. 30 min.
DHW To CH Call Blocking sets the minimum time between a DHW burner ring and a CH burner ring. At the completion of a DHW burner ring, the DHW to CH Call Blocking time will begin.
The burner will not re again for a central heating call until after the DHW To CH Call Blocking time
has elapsed. This feature only prevents the burner from ring, the central heating circulators will
respond to a central heating call. This blocking time has no aect on domestic hot water calls. The
DHW To CH Call Blocking feature prevents the burner from ring when switching from a domestic hot water call to a central heating call. This allows the remaining heat in the heat exchanger to
be dissipated and potentially satisfy the central heating call.
Press the LEFT or RIGHT buttons to adjust the DHW To CH Call Blocking time then press
the OK button to store the setting.
Default: 1 min.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings (Cont’d)
DHW Settings
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW to CH Call Blocking 1 min
DHW Settings
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW to CH Call Blocking 1 min
Antilegionella Function Enabled
Antilegionella Function
Enabled
Disabled
The Antilegionella Function ensures that an Indirect Water Heater is heated at least once
per week to prevent the growth of Legionella bacteria.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button to
store the setting.
• Enabled- When the Thermostat option is chosen in Demand Type, a domestic hot
water call is generated for 15 minutes once per week to heat the Indirect Water Heater.
When the Sensor option is chosen in Demand Type, a domestic hot water call
is generated until the DHW storage temperature reaches 60°C once per week.
When the Sensor option is chosen in Demand Type, the weekly timer is reset
whenever the DHW storage temperature reaches 60°C to prevent unnecessary rings. This function will be active even if DHW Operation has been set to Disabled.
The boiler setpoint is at 80°C during the antilegionella cycle.
• Disabled - The Prestige will only re in DHW mode when a domestic hot water call is
received.
Default: Enabled
The antilegionella function should only be enabled when an Indirect Water Heater is
installed. Enabling the antilegionella function without an Indirect Water Heater will
result in the Prestige firing once per week i n DHW mode. This could caus e a Manual
Reset Hard Loc kout of the boiler.
The antilegionella function is most effective when the Sensor option is chosen in
DHW demand. The use of an Ind irect Water Heater Sensor ensure s that the domestic
hot water is heated to 6 0°c at least once per week.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Boiler Settings
Boiler Settings
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level NAT 3100rpm
Prestige Model
Solo (2 pumps)
Solo/Excel. (3 way valve)
The Boiler Settings menu contains settings related to boiler operation. Each line contains
a boiler setting followed by its current value. Four boiler settings are available.
Press the UP or DOWN buttons to scroll through the settings, then on OK to validate your
selection.
The Prestige Model menu allows to select the boiler type and access specic settings
for that appliance in other menus. The selection “Solo (2 pumps) is applicable to Prestige
42-50-75-100-120 Solo, and Solo/Excel. (3-way valve) is applicable to Prestige 24-32 Solo/
Excellence boilers.
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level NAT 3100rpm
Lockout Temp.
39°C / 102°F
221°F [105°C]
The Lockout Temp. setting allows testing of the overheat thermostat function at a reduced
temperature. It temporarily decreases the overheat temperature of the appliance to 39°C
which allows a safe demonstration of the function.
Press the UP or DOWN buttons to scroll through the settings, then on OK to validate your
selection.
Default: 105°C
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level 3100rpm
Modbus Address
1
0=BCST 247
This parameter sets the Modbus address of the appliance in a Modbus based communication system.
Press the LEFT or RIGHT buttons to adjust the settings, then on OK to validate your
selection.
Default: 1
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level 3100rpm
Pump Settings
Current Pump Cong Modied
Preset Pump Cong
Flexible Pump Cong
The Pump Settings menu allows to choose the right pump conguration to the chosen
hydraulic conguration. There is a preset conguration mode and a exible conguration
mode.
Press the UP or DOWN buttons to scroll through the options, then on OK to validate your
selection.
X12
P14
12
X10
12 3
4
B
V
B
W
B
W
B
B
Or
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
123456
X100
V
B
Y/Gr
W
B
Y/Gr
BrBY/GrBrB
Y/Gr
B
Or
W
B
V
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
X100
Y/Gr
Y/Gr
Error
P4
P3
DHW
CH
Flame
BBrY/GrBBr
B
Br
Y/Gr
P4 P3
FL
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Boiler Settings (cont’d)
Pump Settings
Current Pump Cong Modied
Preset Pump Cong
Flexible Pump Cong
Pump Settings
Current Pump Cong Modied
Preset Pump Cong
Flexible Pump Cong
Preset Pump Cong
Cong 1
Cong 2
Cong 3
Cong 4
Cong 5
Cong 6
If Solo (2 pumps) was selected
Preset Pump Cong
Solo / Excellence 1
Solo / Excellence 2
Solo / Excellence 3
Solo / Excellence 4
If Solo/Excel. (3-way valve) was
selected
In the Preset Pump Cong. (preferred selection) you can choose from a number of preset pump congurations
(cong 1 - cong 13 for Prestige 42-50-75-100-120 Solo models and 1 to 4 for Prestige 24-32 Solo/Excellence
models) that correspond to specic hydraulic schemes, refer to “System conguration” on page 32.
Press the UP or DOWN buttons to scroll through the settings, then on OK to validate your selection.
Pump Settings
Current Pump Cong Modied
Preset Pump Cong
Flexible Pump Cong
Flexible Pump Cong
Flex. Relay 1 (CH)
Flex. Relay 2 (DHW)
Flex. Relay 3 (P3)
Flex. Relay 4 (ERR)
Flex. Relay 5 (Flame)
Flex. Relay 6 (P4)
The use of the Flexi ble Pump
Config. menu is only possible for
the Solo (2 pumps) selection in the
Prestige Model screen.
The Flexible Pump Cong. menu allows to
customize the pump conguration to the
chosen hydraulic conguration. Only select
this option when the preset congurations do
not oer you a solution. In this menu you have
to choose per relay for which heat demand /
function it will be activated. The relays are allocated as follows by default (see picture below
for physical location on the optional terminal
blocks) :
Press the UP or DOWN buttons to scroll
through the settings, then on OK to validate
your selection.
Flex. Relay 1 .........................CH
Flex. Relay 2 .........................DHW
Flex. Relay 3 .........................P3
Flex. Relay 4 .........................ERR
Flex. Relay 5 .........................FL
Flex. Relay 6 .........................P4
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Boiler Settings (cont’d)
Flexible Pump Cong
Flex. Relay 1 (CH)
Flex. Relay 2 (DHW)
Flex. Relay 3 (P3)
Flex. Relay 4 (ERR)
Flex. Relay 5 (Flame)
Flex. Relay 6 (P4)
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
Each relay function has several options. Activation will happen when one of the following options has been chosen:
CH1, CH2, DHW, MIX OPEN, MIX CLOSE, ERROR, FLAME.
More than one action can be chosen for one relay (one relay can become active for CH1 , CH2 and DHW demand when needed.)
When selecting CH 1, the relay is activated at CH 1 demand.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
For pump functi ons only select flexib le relays 1, 2, 3 and 6. Flexible relays 4 and 5 are n ot suitable to switch pumps.
Please refer to "Con figuration of regular sys tems" on page 26 for further ex planation.
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2 O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting CH 2, the relay is activated at CH 2 demand.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting DHW, the relay is activated at DHW demand.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting Mix Open, the Mixing valve open input is activated. Provided there is a mixing valve in the
hydraulic circuit, runtime is assumed to be 120 sec.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
By pushing the RIGHT but ton then
OK, you go back to the previ ous
screen, but THE CHANG ED VALUES
ARE NOT STO RED in the memor y
(Quick escape rou te).
To save your changes, make sure
to scroll down to the l ast line of the
screen and to sel ect Save & Exit.
Then press on OK to acti vate the
function.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Boiler Settings (cont’d)
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting Mix Close, the Mixing valve close input is activated. Provided there is a mixing valve in the
hydraulic circuit, runtime is assumed to be 120 sec.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting ERROR, the relay is activated on error.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
Flex. Relay 1 (CH)
CH1 / CV1 On
CH2 / CV2
O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
When selecting FLAME, the relay is activated when appliance is running and a ame signal has been detected.
Press the UP or DOWN buttons to scroll through the settings, then on OK to toggle between the On/O status of each
relay. Then go to the next line.
Flex. Relay 1 (CH)
CH2 / CV2 O
DHW / ECS / SWW O
MIX OPEN O
MIX CLOSE O
ERROR O
FLAME O
Save & Exit
Press on OK to activate Save & Exit. This will ensure that the changed data are stored in the appliance.
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / Boiler Settings (cont’d)
Flexible Pump Cong
Flex. Relay 1 (CH)
Flex. Relay 2 (DHW)
Flex. Relay 3 (P3)
Flex. Relay 4 (ERR)
Flex. Relay 5 (Flame)
Flex. Relay 6 (P4)
Flexible Pump Cong
Flex. Relay 2 (DHW)
Flex. Relay 3 (P3)
Flex. Relay 4 (ERR)
Flex. Relay 5 (Flame)
Flex. Relay 6 (P4)
Error Relay
Error Relay
On Lockout, Blocking and Warning
On Lockout and Blocking
On Lockout
There are three possible selections to activate the Error Relay (alarm) contact:
• On Lockout, Blocking and Warning: the error relay is activated at a non-volatile lock-
out (e.g. CH Flow NTC defect), at a blocking error (self-resetting errors) (e.g. Gas-pressure switch not closed ), or at a warning (e.g. low water pressure warning).
• On Lock-out and blocking: the error relay is activated at a non-volatile lock-out or a
blocking error.
• On Lockout: the error relay is activated at a non-volatile lock-out only.
The selection depends on the alarm feedback requirement from the customer.
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level 3100rpm
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 105°C
Modbus Address 1
Pump settings
Ignition Level 3000rpm
Ignition Level NAT
3100rpm
1600rpm 6750rpm
This parameter allows to change the fan start speed of the appliance.
Press the LEFT or RIGHT buttons to adjust the settings, then on OK to validate your selection.
Default: See table below for each the fan speed applicable to each boiler/gas combination
Reset all settings
Reset All Settings
Reset All Settings
Press OK
to restore factory settings,
any other button
to keep current settings.
Reset All Settings allows the installer to reset all CH, DHW, and Cascade settings back to
the original factory defaults (Refer to page 6 for the factory settings). Follow the onscreen
instructions to reset all settings back to the original factory defaults.
Prestige Natural Gas (G20) Propane
24 Solo 3000 rpm 3000 rpm
24 Excellence 3000 rpm 3000 rpm
32 Solo 3500 rpm 3000 rpm
32 Excellence 3500 rpm 3000 rpm
42 Solo 3800 rpm 3350 rpm
50 Solo 3300 rpm 3300 rpm
75 Solo 3700 rpm 3000 rpm
100 Solo 2600 rpm 2600 rpm
120 Solo 2600 rpm 2600 rpm
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APPLIANCE DESCRIPTION AND OPERATION
Manual Operation
Manual Operation
Manual Operation
FAN
CH1
CH2
DHW
Released
O
O
O
FAN - Press the OK button while the FAN icon is highlighted to manually re the burner and power the CH (1) circulator.
Press the LEFT and RIGHT buttons to adjust the ring rate from 0% (Low Fire) to 100% (High Fire).
Hold down the LEFT or RIGHT buttons to rapidly increase or decrease the ring rate.
Press the OK button again while the FAN icon is highlighted to shutdown the burner when nished.
An adequate CH load must be present to dissipate the heat generated while the burner is manually
red. If an adequate CH load is not available, an indirect water heater can be used to dissipate the heat
by creating a domestic hot water call which will enable the DHW circulator.
General remark
To ensure the operation of
the heating system, make
sure to switch on one of the
pumps.
Manual Operation
FAN
CH1
CH2
DHW
Released
O
O
O
CH1 - Press the OK button while the CH1 icon is highlighted to manually power the CH 1 circulator(s) as in CH demand.
Press the OK button again while the CH1 icon is highlighted to shutdown the CH 1 circulator(s).
The auxiliary Boiler circulator is also powered when the CH 1 circulator is manually enabled.
Manual Operation
FAN
CH1
CH2
DHW
Released
O
O
O
DHW - Press the OK button while the DHW icon is highlighted to manually power the DHW circulator(s) as in DHW demand.
Press the OK button again while the DHW icon is highlighted to shutdown the DHW circulator(s).
The auxiliary Boiler circulator is also powered when the DHW circulator is manually enabled.
Manual Operation
FAN
CH1
CH2
DHW
Released
O
O
O
CH2 - Press the OK button while the CH2 icon is highlighted to manually power the CH2 circulator(s) as in CH demand.
Press the OK button again while the CH2 icon is highlighted to shutdown the CH2 circulator(s).
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CONFIGURATION OF REGULAR SYSTEMS
PRESTIGE SOLO
Main Characteristics
42 50 75
Rated voltage V~ 230 230 230
Rated frequency Hz 50 50 50
Electrical consumption W 78 78 126
Class IP X4D X4 D X4D
ELECTRIC AL CHARACTERISTICS PRESTIGE 42 - 50 - 75 SOLO
Key
1. 230 V p ower supply plug
2. Ground
3. ON/OFF mas ter switch
4. Gas va lve rectied
5. Burn er power supply
6. Te rmin al block for optional items
: Alarm (ERR terminal)
: CH circuit circulator pump (CH terminal)
: DHW circuit circulator pump (DHW terminal)
7. Optional terminal block for optional items:
: Pump (P3 and P4 terminals)
: Flame terminal (versatile connection according to conguration)
8. Bur ner PWM plug
9. NTC5 ue gas temperature sensor
10. NTC2 return sensor
11. NTC1 supply sensor
12. Gas pressure switch
13. NTC - Low temperature circuit
For low temp circuit operation, black wires fro m X3, terminals 1 & 6 must be rou ted to
X20, terminals 3 & 4.
14. High limit switch
15. Low water pressure sensor
16. PCB (Display)
17. ACVMax programmatio n plug
18. Cascade harness connection terminal
19. A & B Modbus (option)
20. NTC3 D HW sensor (option)
21. N TC4 outdoor temperature sensor (option)
22. Roo m thermostat 1 (option)
23. 0 -10 Volt (option)
24. Cascade temp. sensor (option)
25. Ro om thermostat 2 (option)
26. Ignition and ionization cable
27. Connectio n for Interface Control Unit (option)
28. 5AT slow-bl ow fuse (3x) for internal and optional circ uits*
* 5AT slow-blow fuse (2 x) for internal circ uits and connec tion of CH, DHW and Fl ame output + 5AT slow-bl ow fuse (1x) for connect ion of
Alarm, P3 and P4 (conne ctor P14).
2 spare 5AT slow-blo w fuses are locate d on the back side of th e electrical b ox, for fuse repl acement, if requi red.
230 VAC OUTPUT !
230 VAC OUTPUT !
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CONFIGURATION OF REGULAR SYSTEMS
ACV Max
1 2 3 4 5 6
WWWWW
W
B
Br
4 5 6
1 2 3
1 2 3
4 6
1 2 3 4 5
X15
1 2 3 4 5
1 2 3 4 5 6 7 8 9 10
YYYYYYYYY
Y
X11
6 7 8 9 10
1 2 3 4 5
6 7 8 9 10
1 2 3 4 5
17
18
16
3 4
1 2
X16
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14
W
R
Or
Bk
Bk
V
Bk
4
2 1
3 2 1
1 2 3 1 2 3 4 5 6
8 9 10 11 12
1 2 3 4 5136147
X2
1 2 3 4 5 6 7 8 9 10
W
R
Y
R
Y
W
6 7 8 9 10
1 2 3 4 5
X3
1 2 3 4 5 6 7 8 9 10 11 12
V
W
R
Bk
7 8 9 10 11
1 2 3 4 5126
X1
Bk
2 31
1512
14
13
X12
X9
P14
12
X10
12 3
4
123
456
B
V
B
W
B
W
B
P13
B
Or
123
Bk
B
Y/Gr
W
Br
B
Br
Y/Gr
B
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
123456
123
5
F00
X100
W
ON / OFF
3
230 V ~ 50Hz
1
N
L
N
L
N
L
2
6
26
B
Y/Gr
Br
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
BrBY/GrBrB
Y/Gr
B
Or
Y/Gr
X101
19
21
20
22
25
4
B
W
B
V
Br
X20
27
X18
V
W
B
W
B
B
9 10 11 12 13 14 15 16
X100
7
Y/Gr
Y/Gr
5AT Fuse
5AT Fuse
5AT Fuse
BK
BK
Bk
Bk
R
Bk
Y
Y
R
R
W
W
V
Or
Bk
BkRBk
W
YYYYYYYYY
Y
WWWWW
W
W
V
1 2 3 4 5
1 2 3 4 5
8
2 1
1
NTC 5
9
2 1
1
NTC 2
10
2 1
1
NTC 1
11
16 15 14 13 12 11 10 9
BBrY/GrBBr
B
Br
Y/Gr
P4 P3
FL
28
230 V
230 V
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
23
24
B. Blue
Bk. Black
Br. Brown
G. Grey
O. Orange
R. Red
V. Violet
W. White
Y/Gr. Yellow/Green
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CONFIGURATION OF REGULAR SYSTEMS
PRESTIGE SOLO
Main Characteristics
100 12 0
Rated voltage V~ 230 230
Rated frequency Hz 50 50
Electrical consumption W 150 180
Class IP X4D X4D
ELECTRICAL CHARACTERISTICS PRESTIGE 100-120 SOLO
Key
1. 2 30 V power supply plug
2. Ground
3. ON/OFF mas ter switch
4. Gas va lve
5. Burn er power supply
6. Terminal block for optional items
: Alarm (ERR terminal)
: CH circuit circulator pump (CH terminal)
: DHW circuit circulator pump (DHW terminal)
7. Optional terminal block for optional items:
: Pump (P3 and P4 terminals)
: Flame terminal (versatile connection according to conguration)
8. Bur ner PWM plug
9. NTC5 ue gas temperature sensor
10. NTC2 return sensor
11. NTC1 supply sensor
12. Gas pressure switch
13. NTC - Low temperature circuit
For low temp circuit operation, black wires fro m X3, terminals 1 & 6 must be rou ted to
X20, terminals 3 & 4.
14. High limit switch
15. Low water pressure sensor
16. PCB (Display)
17. ACVMax programmatio n plug
18. Cascade harness connection terminal
19. A & B Modbus (option)
20. NTC3 D HW sensor (option)
21. N TC4 outdoor temperature sensor (option)
22. Roo m thermostat 1 (option)
23. 0 -10 Volt (option)
24. Cascade temp. sensor (option)
25. Ro om thermostat 2 (option)
26. Ignition and ionization cable
27. Connectio n for Interface Control Unit (option)
28. 5AT slow-bl ow fuse (3x) for internal and optional circ uits*
* 5AT slow-blow fuse (2 x) for internal circ uits and connec tion of CH, DHW and Fl ame output + 5AT slow-bl ow fuse (1x) for connect ion of
Alarm, P3 and P4 (conne ctor P14).
2 spare 5AT slow-blo w fuses are locate d on the back side of th e electrical b ox, for fuse repl acement, if requi red.
230 VAC OUTPUT !
230 VAC OUTPUT !
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CONFIGURATION OF REGULAR SYSTEMS
ACV Max
123456
1 2 3 4 5 6
WWWWW
W
4 5 6
1 2 3
1 2 3
4 6
X15
1 2 3 4 5 6 7 8 9 10
YYYYYYYYY
Y
X11
6 7 8 9 10
1 2 3 4 5
6 7 8 9 10
1 2 3 4 5
17
16
3 4
1 2
X16
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14
W
R
Or
Bk
Bk
V
Bk
4
2 1
3 2 1
1 2 3 1 2 3 4 5 6
8 9 10 11 12
1 2 3 4 5136147
X2
1 2 3 4 5 6 7 8 9 10
W
R
Y
R
Y
BK
BK
W
6 7 8 9 10
1 2 3 4 5
X3
1 2 3 4 5 6 7 8 9 10 11 12
V
W
R
Bk
7 8 9 10 11
1 2 3 4 5126
X1
R
Bk
Y
Y
Bk
Bk
R
R
W
W
V
Or
Bk
BkRBk
W
YYYYYYYYY
Y
WWWWW
W
W
V
1 2 3 4 5
1 2 3 4 5
8
Bk
2 31
1512
13
14
X12
X9
P14
123
4
123
456
B
V
B
W
P13
B
Or
123
Bk
B
Y/Gr
W
Br
B
Br
Br
Y/Gr
B
B
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
123
5
F00
X100
N
L
N
L
W
ON / OFF
3
230 V ~ 50Hz
1
N
L
N
L
N
L
2
6
B
Y/Gr
Br
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
BrBY/GrBrB
Y/Gr
B
Or
Br
B
Br
Y/Gr
B
X101
19
18
21
20
22
25
4
X10
12
X20
16
26
2 1
1
NTC 5
9
2 1
1
NTC 2
10
2 1
1
NTC 1
11
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
23
24
27
X18
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
X100
7
Y/Gr
Y/Gr
B
W
B
W
B
V
BBrY/GrBBr
B
Br
Y/Gr
P4 P3
FL
28
230 V
230 V
5AT Fuse
5AT Fuse
5AT Fuse
B. Blue
Bk. Black
Br. Brown
G. Grey
O. Orange
R. Red
V. Violet
W. White
Y/Gr. Yellow/Green
System Control - ACVMax: 6 60Y2800 • C
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CONFIGURATION OF REGULAR SYSTEMS
ELECTRICAL CHARACTERISTICS PRESTIGE 24-32 SOLO/EXCELLENCE
Key
1. 2 30 V power supply plug
2. Ground
3. ON/OFF mas ter switch
4. Gas va lve rectied
5. Burn er power supply
6. Terminal block for optional items
: Alarm (ERR)
: CH circuit circulator pump (CH)
: DHW circuit circulator pump (DHW)
7. Optional terminal block for optional items:
: Pump (P3 and P4 terminals)
: Flame terminal (versatile connection according to conguration)
8. Modulating pump PWM
9. 3- way valve stepper motor
10. Burner PWM plug
11. NTC5 ue gas temperature sensor
12. NTC2 return sensor
13. NTC1 supply sensor
14. NTC - Low temperature circuit
For low temp circuit operation, black wires fro m X3, terminals 1 & 6 must be rou ted to
X20, terminals 3 & 4.
15. High limit switch
16. Low water pressure sensor
17. PCB (Display)
18. ACVMax programmatio n plug
19. A & B Modbus (option)
20. NTC3 D HW sensor (option for Prestige 24 - 32 Solo)
21. N TC4 outdoor temperature sensor (option)
22. Roo m thermostat 1 (option)
23. 0 -10 Volt (option)
24. Room thermostat 2 (option)
25. Conn ection for interface cont rol unit
26. Ignition and ionization cable
27. 5AT slow-blow fuse (3x) for inter nal and optional circuits*
* 5AT slow-blow fuse (2 x) for internal circ uits and connec tion of CH, DHW and Fl ame output + 5AT slow-bl ow fuse (1x) for connect ion of
Alarm, P3 and P4 (conne ctor P14)
2 spare 5AT slow-blo w fuses are locate d on the back side of th e electrical b ox, for fuse repl acement, if requi red.
PRESTIGE
Solo Excellence
Main Characteristics
24 32 24 32
Rated voltage V~ 230 230 230 230
Rated frequency Hz 50 50 50 50
Electrical consumption
Max. W 89 94 89 94
Min. W 15 15 15 15
Electrical consumption at
30% load
W 17 17 17 17
Electrical consumption in
standby
W 5 5 5 5
Rated current (Fuse) A 16 16 16 16
Class IP X4D X4D X4D X4D
230 VAC OUTPUT !
230 VAC OUTPUT !
The power cord may onl y be replaced by a genuine ACV spar e part, P/N 257F1180.
ACV Max
1 2 3 4 5 6
WWWWW
W
B
Br
4 5 6
1 2 3
1 2 3
4 6
1 2 3 4 5
X15
1 2 3 4 5
1 2 3 4 5 6 7 8 9 10
YYYYYYYYY
Y
X11
6 7 8 9 10
1 2 3 4 5
6 7 8 9 10
1 2 3 4 5
18
17
3 4
1 2
X16
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14
W
R
Or
Bk
Bk
Or
Bk
4 3 2 1
1 2 3 1 2 3 4 5 6
8 9 10 11 12
1 2 3 4 5136147
X2
1 2 3 4 5 6 7 8 9 10
W
R
Y
R
Y
W
6 7 8 9 10
1 2 3 4 5
X3
1 2 3 4 5 6 7 8 9 10 11 12
V
W
BrRBr
Or
B
W
R
Bk
7 8 9 10 11
1 2 3 4 5126
X1
Bk
2 31
1615
X12
X9
P14
12
X10
12 3
4
123
456
B
B
V
B
W
W
B
B
P13
B
Or
123
Bk
B
Y/Gr
W
Br
B
Br
Y/Gr
B
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
123456
123
5
F00
X100
W
ON / OFF
3
230 V ~ 50Hz
1
2
6
26
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
BrBY/GrBrB
Y/Gr
B
Or
Y/Gr
19
21
20
22
23
24
4
B
W
V
Br
X20
25
X18
STEPPER
PUMP PWM
8
9
5AT Fuse
5AT Fuse
5AT Fuse
R
Bk
Y
Y
R
R
W
W
Bk
BkRBk
W
YYYYYYYYY
Y
WWWWW
W
W
W
Or
Br
R
BrBBr
B
Y/Gr
V
1 2 3 4 5
1 2 3 4 5
10
A B C D
2 1
1
NTC 5
11
2 1
1
NTC 2
12
2 1
1
NTC 1
13
26
C
M
M
3 2 1 3 2 1
230 V
Bk
Bk
14
Bk
Bk
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
V
W
B
W
B
B
9 10 11 12 13 14 15 16
X100
7
Y/Gr
Y/Gr
16 15 14 13 12 11 10 9
BBrY/GrBBr
B
Br
Y/Gr
P4 P3
FL
230 V
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CONFIGURATION OF REGULAR SYSTEMS
B. Blue
Bk. Black
Br. Brown
G. Grey
O. Orange
R. Red
V. Violet
W. White
Y/Gr. Yellow/Green
CH & DHW Settings
Boiler Settings
Boiler Settings
Prestige Model Solo (2 pumps)
Lockout Temp. 221°F [105°C]
Modbus Address 1
Pump settings
Ignition Level 3100rpm
Pump Settings
Current Pump Cong Modied
Preset Pump Cong
Flexible Pump Cong
Preset Pump Cong
Cong 1
Cong 2
Cong 3
Cong 4
Cong 5
Cong 6
System Control - ACVMax: 6 60Y2800 • C
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CONFIGURATION OF REGULAR SYSTEMS PRESTIGE SOLO 2 PUMPS
This section cont ains information on the elec trical connections, hydraulic connections and ACVM ax
controller set-up for Prestige 42-50-75-100-120 Solo, that are required to operate the system
conguration you have sel ected.
For simple congurations, the EZ setup functio n of the ACVMax can be used (refer to th e Installation,
Operation and Ma intenance manual provided with the appl iance).
For more complex systems, with additional pumps , several congurations have already been preset
in the ACVMax controll er to help you. Please refer to the following pages to see the predetermined
congurations as well as th e relevant information for the casca de systems.
For any system that is not ment ioned in this manual, please contac t your ACV representative.
GENERAL
PUMPS
The pump congurato r system is based on the demands of the hydr aulic system that you design. In the
table below, you will nd th e 13 congurations that have been p reset in the ACVMax controller for the
Prestige 42-50-75-100-120 Solo (identie d as "Solo (2 pumps)" in the Prestige Model selection menu),
based on dierent hydr aulic schemes that can be used.
The table shows whi ch relays are activated under which con dition.
The names in the table refer to the demand done by CH1 by CH2 or DHW respectively, the demand to
open close the Moto r of a mixing valve or reect the ac tivation of the alarm (error) or Flame outp ut relay.
In the following pag es, you will nd these diagrams wi th a conguration number that corre sponds to
the setting in th e display.
Cong. NoFlex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
1 Error CH2 CH1/CH2/
DHW
DHW CH1 Flame
2 Error CH1 CH1/CH2/
DHW
DHW CH1/CH2/
DHW
Flame
3 Error CH1/CH2 DHW CH1/CH2 Flame
4 Error CH2 CH1/CH2 DHW CH1 Flame
5 Error CH2 CH1 DHW CH1/CH2/
DHW
Flame
6 Error CH1 DHW CH1 Flame
7 Error CH1/CH2 Mi x open DHW CH1 low Mix close
8 Error CH2 CH1/CH2 CH1/CH2/
DHW
CH1 Flame
9 Error CH/DHW Mix open DHW CH1 l ow Mix close
10 Mix open CH1/CH2 CH1/CH2 DHW CH1 low Mix close
11 Mix open CH1/CH2 CH2 D HW CH1 l ow Mix close
12 Mix o pen CH1/CH2/
DHW
CH2 DHW CH1 low Mix close
13 Er ror CH1/CH2 CH2 Mix o pen CH1 l ow Mix close
DO NOT generate a DH W demand in preset configur ation 13 !!
ACCESSING THE PRESET CONFIGURATION PAGE FOR SOLO (2 PUMPS)
To access the preset conguration p age, follow the selec tions shown on the screens b elow (Installer menu)
Pump Conguration 1
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1/CH2/
DHW
DHW CH1 Flame
In the following hydr aulic diagrams, this represe ntation is used :
Warm wate r
Cold water
Do not forget to se lect the correct
boiler in the Boi ler Settings, Pre stige
Model.
Prestige
CH1
DHW
Prestige
CH
en
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System Control - ACVMax: 6 60Y2800 • C
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PRESET CONFIGURATION 1 SOLO 2 PUMPS
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> None
............. CH --> CH pump
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. Optional outdoor temp. sensor
............. Optional room thermostat
High temperature heating circuit, possibly with optional outdoor temperature
sensor and room thermostat, without DHW circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
High temperature heating circuit, circulator pumps on return lines, possibly
with optional outdoor temperature sensor and room thermostat, and with
DHW circuit.
Prestige
DHW
CH
DHW
P3
CH
Prestige
SCHEMA : 3
System Control - ACVMax: 6 60Y2800 • C
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PRESET CONFIGURATION 1 SOLO 2 PUMPS
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH pump --> CH pump
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
High temperature heating circuit, circulator pumps on supply lines, possibly with
optional outdoor temperature sensor and room thermostat, and with DHW circuit.
Pump Conguration 1
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1/CH2/
DHW
DHW CH1 Flame
Refer to "Accessing the pres et configuration page for Solo (2 pumps)" on page 32, to know
how to get to the relevan t page of the ACVMax controller.
High temperature heating circuit, with additional load pump, possibly with
optional outdoor temperature sensor and room thermostat, and with DHW
circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> None
............. Flame --> Flame sensor
............. P3 --> P3 Pump
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
DHW
CH1
CH2
DHWCHP4
P3
Prestige
SCHEMA : 4
DHW
CH2
CH1
Prestige
CH
P4
P3
DHW
SCHEMA : 7
en
35
System Control - ACVMax: 6 60Y2800 • C
EN
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PRESET CONFIGURATION 1 SOLO 2 PUMPS
High temperature heating circuits, with additional load pump, possibly with
optional outdoor temperature sensor and room thermostats, and with DHW
circuit.
High temperature heating circuits, with additional load pump, possibly with
optional outdoor temperature sensor and room thermostats, and with DHW
circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump (CH1 circuit)
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame sensor
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump (CH1 circuit)
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame sensor
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
DHW
CH2
CH1
DHW
Prestige
CH
P4
P3
SCHEMA : 15
System Control - ACVMax: 6 60Y2800 • C
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36
EN
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PRESET CONFIGURATION 4 SOLO 2 PUMPS
High temperature heating circuits, with additional load pump, possibly with
optional outdoor temperature sensor and room thermostats, and with DHW
circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump (CH1 circuit)
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame sensor
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Pump Conguration 4
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1/CH2 D HW CH1 Flame
Refer to "Accessing the pres et configuration page for Solo (2 pumps)" on page 32, to know
how to get to the relevan t page of the ACVMax controller.
DHW
CH2
CH1
DHW
Prestige
CH P4 P3
SCHEMA : 8
en
37
System Control - ACVMax: 6 60Y2800 • C
EN
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PRESET CONFIGURATION 4 SOLO 2 PUMPS
High temperature heating circuits, with additional load pump, possibly with
optional outdoor temperature sensor and room thermostats, and with DHW
circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump (CH1 circuit)
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
DHW
CH2
CH1
DHW
Prestige
SCHEMA : 9
CH
P3
Pump Conguration 3
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH1/CH2 DHW CH1/CH2 Flame
System Control - ACVMax: 6 60Y2800 • C
en
38
EN
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PRESET CONFIGURATION 3 SOLO 2 PUMPS
High temperature heating circuits controlled through solenoid valves, with
additional load pump, possibly with optional outdoor temperature sensor and
room thermostats, and with DHW circuit and DHW sensor.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> None
............. Flame --> Flame
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Refer to "Accessing the pres et configuration page for Solo (2 pumps)" on page 32, to know
how to get to the relevan t page of the ACVMax controller.
DHW
CH2
CH1
DHW
Prestige
SCHEMA : 10
CH
en
39
System Control - ACVMax: 6 60Y2800 • C
EN
FR
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PRESET CONFIGURATION 3 SOLO 2 PUMPS
High temperature heating circuits controlled through solenoid valves, possibly
with optional outdoor temperature sensor and room thermostats, and with
DHW circuit and DHW sensor.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> None
............. Flame --> Flame
............. P3 --> None
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Prestige
CH
Low
W
2
W
1
LOW T° SCHEMA : 1
P4
System Control - ACVMax: 6 60Y2800 • C
en
40
EN
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PRESET CONFIGURATION 7 SOLO 2 PUMPS
High and Low temperature heating circuits, with room control on Heating Circuit
1 (CH1) and possible second room control, possibly with optional outdoor
temperature sensor and room thermostat.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR - ->Error (Alarm)
............. DHW -->N on e
............. CH -->CH pump (low temp circuit)
............. P4 -->P4 pump
............. Flame -->Motorized 3-way v alve CLOSE
............. P3 -->Motorized 3 -way valve OPEN
3 4
1 2
X16
18
17
20
19
21
123
1
2
1234
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Pump Conguration 7
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH1/CH2 Mix open DHW C H1 low Mix close
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
Refer to “Accessing the preset conguration page for Solo (2 pumps)” on page 32,
to know how to get to the relevant pag e of the ACVMax controller.
The room therm ostat 1 always controls the low tempe rature system.
DHW
P4
Prestige
CH
Low
W
2
W
1
LOW T° SCHEMA : 2
en
41
System Control - ACVMax: 6 60Y2800 • C
EN
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PRESET CONFIGURATION 7 SOLO 2 PUMPS
High and Low temperature heating circuits, with room control on Heating Circuit
1 (CH1) and possible second room control, possibly with optional outdoor
temperature sensor and room thermostat, and with DHW circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR -->Error (Alarm)
............. DHW -->DHW pump
............. CH - ->CH pump (low temp circuit)
............. P4 - -> P4 pump
............. Flame -->Motorized 3-way va lve CLOSE
............. P3 -->Mo torized 3-way valve OPEN
3 4
1 2
X16
18
17
20
19
21
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
The room therm ostat 1 always controls the low tempe rature system.
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
Prestige
CH1 CH1 Low
DHW
DHW
P4
CH
CH
Low
W
2
W
1
LOW T° SCHEMA : 4
System Control - ACVMax: 6 60Y2800 • C
en
42
EN
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PRESET CONFIGURATION 9 SOLO 2 PUMPS
High and low temperature heating circuits, possibly with optional outdoor
temperature sensor and room thermostat, and with DHW circuit.
Pump power is limited in t his system configurati on, as both pumps (CH1 and CH1Low) need to
be connected i n parallel. Additionally, a secon d relay can be used.
Pump Conguration 9
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH/DHW Mix open DHW CH1 lo w Mix close
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR -->Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pumps (CH1 + CH1 low temp
circuits)
............. P4 - -> P4 Pump
............. Flame -->Motorized 3-way valve CLOSE
............. P3 -->Motorized 3-way valve OPEN
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Refer to "Accessing the pres et configuration page for Solo (2 pumps)" on page 32, to know
how to get to the relevan t page of the ACVMax controller.
This configura tion is not yet activated
The room therm ostat 1 always controls the low tempe rature system.
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
CH2 CH1 Low
DHW
DHW
P4
Prestige
P3
CH
W
2
W
1
LOW T° SCHEMA : 4a
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PRESET CONFIGURATION 12 SOLO 2 PUMPS
High and Low temperature heating circuit, possibly with optional outdoor
temperature sensor and room thermostat, and with DHW circuit.
Pump Conguration 12
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Mix open CH1/CH2/
DHW
CH2 DHW C H1 low Mix close
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR - ->Motorized 3-way valve O PEN
............. DHW -->DHW pump
............. CH - ->CH pump (low temp circuit)
............. P4 - ->P4 pump
............. Flam e -->Moto rized 3-way valve CLOSE
............. P3 -->P3 pump (CH2 circuit)
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
Bus A
Bus - Ground
Bus B
NTC 3
NTC 4
1
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Refer to "Accessing the pres et configuration page for Solo (2 pumps)" on page 32, to know
how to get to the relevan t page of the ACVMax controller.
The room therm ostat 1 always controls the low tempe rature system.
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
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CONFIGURATION OF CASCADE SYSTEMS SOLO 2 PUMPS
Cascade Menu / Cascade Information
Cascade Info.
?
Cascade Info.
Cascade Role Master
System Temp. 30°C
Active boilers 0
Total Boilers 2
Cascade Firing Rate 0%
Cascade Information provides real time operating information of the Cascade System. Each
line contains an information item followed by its current value.
Cascade Role - Displays the current role of the Prestige in the Cascade System. Cascade Role
will be one of the following:
• Master – Indicates this Prestige is the Master boiler in the Cascade System.
• Slave – Indicates this Prestige is a Slave boiler in the Cascade System.
• Standalone – Indicates this Prestige is not part of a Cascade System.
Cascade Info.
Cascade Role Master
System Temp. 30°C
Active boilers 0
Total Boilers 2
Cascade Firing Rate 0%
90°C
20°C
-32.00
-16.00
-24.00
-8.00
0.00
System Temp.
System Temperature - Displays the current system temperature reading on the Master boiler.
If the system sensor is not wired in to the Master boiler, the Master boiler supply temperature is
displayed.
System Temperature has a logging function which records one sample every 12 minutes to
produce a graph of the last 24 hours.
Select System Temperature in Cascade Information then press the OK button to view the
graph.
Cascade Info.
Cascade Role Master
System Temp. 30°C
Active boilers 0
Total Boilers 2
Cascade Firing Rate 0%
Cascade Info.
Cascade Role Master
System Temp. 30°C
Active boilers 0
Total Boilers 2
Cascade Firing Rate 0%
Active boilers - Displays the current number of boilers red in the Cascade System
Total Boilers - Displays the total number of boilers in the Cascade System.
Cascade Info.
Cascade Role Master
System Temp. 30°C
Active boilers 0
Total Boilers 2
Cascade Firing Rate 0%
Cascade Firing Rate - Displays the current ring rate of the entire Cascade System.
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CONFIGURATION OF CASCADE SYSTEMS SOLO 2 PUMPS
Cascade Menu / Cascade Settings (also refer to “Cascade system connection (4-boiler Cascade)” on page 50)
Cascade Settings
?
The Cascade Settings menu contains settings related to cascade operation. Each line contains
a Cascade Setting followed by its current value. Six Cascade Settings are displayed on the screen
at one time.
Press the UP or DOWN buttons to scroll through additional Cascade Settings.
Cascade Setting changes must be made on the cascade Master. Cascade autode-
tection must be performed after making any changes to a cascade Setting before
the change will take eect.
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
Stage Delay
60 sec.
0 sec. 255 sec.
Stage Delay sets the time delay before enabling or disabling a boiler in the Cascade System.
The Stage Delay begins once the Master boiler determines that a boiler must be enabled to
reach the setpoint or when the Master boiler determines a boiler should be disabled because
of a decreasing load.
Press the LEFT or RIGHT buttons to adjust the time then press the OK button to store the setting.
Adjusting the Stage Delay will have the following eects:
• Increasing Stage delay
- Reaching the setpoint could take longer due to a longer delay between enabling boilers.
- Overshooting the setpoint could occur due to boilers staying on longer before being disabled.
• Decrease Stage delay
- Overshooting the setpoint could occur due to boilers being enabled quicker.
- Boilers will be disabled quicker, possibly increasing boiler cycling and decreasing runtimes.
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
Minimum Firing Rate
25 %
0 % 100 %
Minimum Firing Rate is the minimum ring rate of a single boiler in the Cascade System. The
Master boiler uses this setting to determine when boilers can be enabled and disabled.
Setting the Minimum Firing Rate below the recommended minimum will result in boilers being
enabled too quickly which may cause sharp increases in temperature from the Cascade System.
Setting the Minimum Firing Rate above the recommended minimum will delay the enabling of
boilers which may lower the system eciency.
Press the LEFT or RIGHT buttons to adjust the Minimum Firing Rate then press the OK button
to store the setting.
Default : 25%
Only make changes after being instructed to do so by ACV as changing of this
value may cause instabilit y in the appliance cascade control.
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CASCADE MENU DESCRIPTION AND OPERATION SOLO 2 PUMPS
Cascade Menu / Cascade Settings (Cont’d)
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
CH Prop. Gain 7
Auto Rotation Enabled
Maximum
Firing Rate
250 kW
0 kW 255 kW
Maximum Firing Rate is the maximum capacity of a single boiler in the Cascade System.
Press the LEFT or RIGHT buttons to adjust the Maximum Firing Rate then press the OK button
to store the setting.
This value will be 42, 50, 75 100 or 120 kW for the actual appliance range.
Default: 250 kW
Stable cascade ope ration requires that all boilers in a cascade Syste m be the same
size. Mixing boiler si zes in a cascade System could lead to temperatu re fluctuations
and erratic cascade operation.
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
CH Prop. Gain 7
Auto Rotation Enabled
CH / DHW Boilers
0
0 6
The CH or DHW Boilers setting species how many boilers in a Split Cascade System will respond to a domestic hot water call. The CH or DHW Boilers always include the Master boiler. The
remaining boilers will only respond to central heating calls. This allows the Cascade System to
satisfy both central heating and domestic hot water calls at the same time. At the completion
of a domestic hot water call, the CH or DHW Boilers will again be available to respond to central
heating calls.
Press the LEFT or RIGHT buttons to adjust the CH or DHW Boilers setting then press the OK
button to store the setting
The maximum number of boil ers in a cascade is 4. Therefore, do n ot select a higher
number than 3 in this menu as one should never adjust to the same number as he
has appliances in the cascade. This would override the Split of the system. Failure
to comply may result in faults in the c ascade operation.
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Maximum Firing Rate 250 kW
CH / DHW Boilers 0
CH Prop. Gain 7
Auto Rotation Enabled
Auto Rotation
Enabled
Disabled
Through the Auto Rotation function, the number of burning hours is equalized over all appliances.
When the function is Enabled, the appliances will all run an equal amount of time. This helps
balancing wear over the appliances.
When the function is Disabled, there is no levelling of burning hours and the rst appliances in
the sequence will run more than the last one in the sequence.
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CASCADE MENU DESCRIPTION AND OPERATION SOLO 2 PUMPS
Cascade Menu / Cascade Settings (Cont’d)
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
WARNING!
ONLY ADJUST THIS SETTING
WHEN INSTRUCTED TO BY
ACV SUPPORT.
P
RESS OK BUTTON TO ADJUST
SETTING, ANY OTHER BUTTON TO
KEEP CURRENT SETTINGS.
CH Prop. Gain
7
1 255
CH Proportional Gain allows the cascade response to be adjusted for a central heating call. CH
Proportional Gain has the greatest inuence when the system temperature is far away from the
setpoint.
Press the LEFT or RIGHT buttons to adjust the CH Proportional Gain then press the OK button
to store the setting.
• Increase CH Proportional Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, increase the CH Proportional Gain value by 2. Perform Cascade
Autodetection and initiate a central heating call. Observe the cascade response and make
further adjustments if necessary..
• Decrease CH Proportional Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is
minimized.
- I f the setpoint is reached too quickly, decrease the CH Proportional Gain value by 2. Perform
Cascade Autodetection and initiate a central heating call. Observe the cascade response
and make further adjustments if necessary
Default: 7
Please consult ACV’s technical Supp ort before making any adjustments . Improper
adjustment of CH Proportional Gain could lead to temperature fluctuations and
erratic cascade operation.
Cascade Setting
Minimum Firing Rate
25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH prop. Gain 7
CH Integral Gain 245
WARNING!
ONLY ADJUST THIS SETTING
WHEN INSTRUCTED TO BY
ACV SUPPORT.
P
RESS OK BUTTON TO ADJUST
SETTING, ANY OTHER BUTTON TO
KEEP CURRENT SETTINGS.
CH Integral Gain
245
1 255
CH Integral Gain allows the cascade response to be adjusted for a central heating call. CH Integral Gain has the greatest inuence when the system temperature is close to the setpoint.
Press the LEFT or RIGHT buttons to adjust the CH Integral Gain then press the OK button to
store the setting.
• Increase CH Integral Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is
minimized.
- If the setpoint is reached too quickly, increase the CH Integral Gain value by 2. Perform Cascade Autodetection and initiate a central heating call. Observe the cascade response and
make further adjustments if necessary.
• Decrease CH Integral Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, decrease the CH Integral Gain value by 2. Perform Cascade
Autodetection and initiate a central heating call. Observe the cascade response and make
further adjustments if necessary
Default: 245
Please consult ACV’s technical Sup port before making any adjustments . Improper
adjustment of CH Integral Ga in could lead to temperature fluctuations and e rratic
cascade operation.
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Cascade / Cascade Settings (Cont’d)
Cascade Setting
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
CH Integral Gain 245
DHW Prop. Gain 7
WARNING!
ONLY ADJUST THIS SETTING
WHEN INSTRUCTED TO BY
ACV SUPPORT.
P
RESS OK BUTTON TO ADJUST
SETTING, ANY OTHER BUTTON TO
KEEP CURRENT SETTINGS.
DHW Prop. Gain
7
1 255
DHW Proportional Gain allows the cascade response to be adjusted for a domestic hot water
call. DHW Proportional Gain has the greatest inuence when the system temperature is far away
from the setpoint.
Press the LEFT or RIGHT buttons to adjust the DHW Proportional Gain then press the OK button
to store the setting.
• Increase DHW Proportional Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, increase the DHW Proportional Gain value by 2. Perform Cascade Autodetection and initiate a domestic hot water call. Observe the cascade response
and make further adjustments if necessary.
• Decrease DHW Proportional Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is minimized.
- If the setpoint is reached too quickly, decrease the DHW Proportional Gain value by 2. Perform Cascade Autodetection and initiate a domestic hot water call. Observe the cascade
response and make further adjustments if necessary.
Default: 7
Please consult ACV’s technical Sup port before making any adjustments . Improper
adjustment of DHW Propor tional Gain could lead to temperature fl uctuations and
erratic cascade operation.
Cascade Setting
CH / DHW Boilers 0
Auto Rotation Enabled
CH Prop. Gain 7
CH Integral Gain 245
DHW Prop. Gain 7
DHW Integral Gain 245
DHW Integral Gain
245
1 255
DHW Integral Gain allows the cascade response to be adjusted for a domestic hot water call.
DHW Integral Gain has the greatest inuence when the system temperature is close to the setpoint.
Press the LEFT or RIGHT buttons to adjust the DHW Integral Gain then press the OK button to
store the setting.
• Increase DHW Integral Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is
minimized.
- If the setpoint is reached too quickly, increase the DHW Integral Gain value by 2. Perform
Cascade Autodetection and initiate a omestic hot water call. Observe the cascade response
and make further adjustments if necessary.
• Decrease DHW Integral Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, decrease the DHW Integral Gain value by 2. Perform Cascade
Autodetection and initiate a domestic hot water call. Observe the cascade response and
make further adjustments if necessary
Default: 245
Please consult ACV’s technical Sup port before making any adjustments . Improper
adjustment of DHW Integral Gain could lead to temperature fluc tuations and
erratic cascade operation.
CASCADE MENU DESCRIPTION AND OPERATION SOLO 2 PUMPS
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Cascade / Cascade Autodetection
Cascade Autodetect.
?
Cascade Autodetect.
Press OK button
to begin Cascade Autodetection,
any other button to cancel.
The Cascade System m ust be configured af ter wiring is completed a nd any required
adjustments are made in Cascade Settings. Refer to "Cascade system connection (4-boiler
Cascade)" on page 50 b efore using this function .
The Cascade Autodetection function automatically nds and congures all boilers in the Cascade System.
This eliminates the need to manually congure each boiler of the Cascade System. Select Cascade Autodetection on the Master boiler then follow the on-screen instructions to perform Cascade Autodetection.
Once Cascade Autodetection is nished, a message will be displayed indicating how many boilers have
been found. If the number of boilers found is correct, press OK to nish Cascade Autodetection.
If the number of boilers found is not correct, check the cascade communication cables between the boilers
and repeat Cascade Autodetection process.
CASCADE MENU DESCRIPTION AND OPERATION SOLO 2 PUMPS
1
3
2
Master Slave Slave Slave
1 2 3 4 5 6
WWWWW
W
4 5 6
1 2 3
1 2 3
4 6
X15
8 9 10
YYY
X11
10
5
16
17
3 4
1 2
X16
18
YYY
WWWWW
W
123
X7
Bus A
Bus - Ground
Bus B
4
5
6
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CONFIGURATION OF CASCADE SYSTEMS SOLO 2 PUMPS
CASCADE SYSTEM CONNECTION (4-BOILER CASCADE)
Set-up conditions
• Gas conversion done as required
• Boilers switched o using the ON/OFF master switch
• External power supply closed
• Gas supply closed
• Master boiler of the system dened
• Front panel of the boilers open (refer to the relevant procedure in the Installation, Operation and Mainte-
nance Instructions provided with the boiler)
Required accessories
Designation P/N QTY
Cascade connection wire harness 257F1166 3
Connection Procedure
Refer to the diagra m below for a general cascade c onnection scheme.
1. Connect the 4-terminal end connector (3) of the cascade connection harness (1) to the X16 terminal (4)
of the electronic board on the Master boiler.
2. Route the wire harness as shown in (6).
3. Connect the 6-terminal end connector (2) of the cascade connection harness (1) to the socket located
at the bottom of the front panel of the boiler, accessing from underneath (5).
Follow-on tasks
1. Make all the heat demand connections (eg. Room thermostats, sensor connections (DHW sensor, Cascade sensor) and pump connections to the Master appliance (see also following pages for the hydraulic
and electrical congurations).
2. Connect the local Slave appliance pumps.
3. Close the front panel of the boilers.
4. Perform Cascade start-up procedure, refer to “Cascade start-up process” on page 51.
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CONFIGURATION OF CASCADE SYSTEMS SOLO 2 PUMPS
Cascade
Cascade Autodetection
Boiler Protection
P3
DHW
P4
84°C
61°C
1
2
CH
Target = 85°C
1x
Enter installe r code if require d,
refer to "Inst aller menu
structure" on page 6.
ACCESSING THE CASCADE AUTODETECTION PAGECASCADE START-UP PROCESS
Set-up conditions
• Cascade electrical connection done (refer to “Cascade system connection (4-boiler Cascade)” on page
50).
• Condensate trap full of water
• External power supply open
• Gas supply open
• Hydraulic circuit(s) full of water
Procedure
1. Power up all appliances using their ON/OFF master switch.
2. Start Cascade autodetection from the Master appliance (refer to “Accessing the Cascade Autodetection
page” on page 51). The Master appliance will then become the electronic master of the system. It will
automatically recognize the number of appliances in the cascade.
Cascade Autodetect.
?
Cascade Autodetect.
Press OK button
to begin Cascade Autodetection,
any other button to cancel.
3. Set the maximum appliance power as follows :
The master boiler will then calculate the total system capacity based on the dened appliance capacity.
4. Set the system parameters on the Master appliance:
• CH1 curve
• CH2 curve
• DHW setpoint
Follow-on tasks
None
Cascade Settings
?
Cascade Setting
Stage Delay 60 sec
Minimum Firing Rate 25%
Max. Firing Rate 250 kW
CH / DHW Boilers 0
CH Prop. Gain 7
Auto Rotation Enabled
Maximum
Firing Rate
250 kW
0 kW 255 kW
PrestigePrestigePrestige
MasterSlaveSlave
P4
DHW
P3
CH
CH
CH
CASCADE SCHEMA : 12
System Control - ACVMax: 6 60Y2800 • C
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PRESET CONFIGURATION 2 CASCADE SOLO 2 PUMPS
Pump Conguration 2
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error C H1 CH1/CH2/
DHW
DHW CH1/CH2/
DHW
Flame
General remarks
• Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to
know how to get to the re levant page of the ACVMax contro ller.
• For cascade sy stem setup, refer to "Cascade system connection (4-boiler Cascad e)" on
page 50.
3-boiler cascade configuration, high temperature, with DHW circuit
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PRESET CONFIGURATION 2 CASCADE SOLO 2 PUMPS
Master
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> P4 pump
............. Flame --> Flame
............. P3 --> P3 pump
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
............. Cascade sensor
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Slave
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> None
............. DHW --> None
............. CH --> CH pump
PrestigePrestigePrestige
MasterSlaveSlave
P4
DHW
CASCADE SCHEMA : 12a
CH
CH
CH
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PRESET CONFIGURATION 2 CASCADE SOLO 2 PUMPS
Pump Conguration 2
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error C H1 CH1/CH2/
DHW
DHW CH1/CH2/
DHW
Flame
General remarks
• Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to
know how to get to the re levant page of the ACVMax contro ller.
• For cascade sy stem setup, refer to "Cascade system connection (4-boiler Cascad e)" on
page 50.
3-boiler cascade configuration, high temperature, with DHW circuit
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PRESET CONFIGURATION 2 CASCADE SOLO 2 PUMPS
Master
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. Error --> Error (Alarm)
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> P4 pump (CH1 circuit)
............. Flame --> Flame
............. P3 --> None
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
............. Cascade sensor
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Slave
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> None
............. DHW --> None
............. CH --> CH pump
DHW
CH1
CH2
Prestige
DHW
CH
CH
CH
PrestigePrestige
MasterSlaveSlave
P4 P3
CASCADE SCHEMA : 16
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PRESET CONFIGURATION 5 CASCADE SOLO 2 PUMPS
Pump Conguration 5
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1 DHW CH1/CH2/
DHW
Flame
General remarks
• Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to
know how to get to the re levant page of the ACVMax contro ller.
• For cascade sy stem setup, refer to "Cascade system connection (4-boiler Cascad e)" on
page 50.
3-boiler cascade configuration, with two high temperature heating circuits and
DHW circuit
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PRESET CONFIGURATION 5 CASCADE SOLO 2 PUMPS
Master
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Alarm
............. DHW --> DHW pump
............. CH --> CH pump
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame
............. P3 --> P3 pump (CH1 circuit)
3 4
1 2
X16
18
17
20
19
21
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
Cascade sensor - Ground
Cascade sensor - Input
NTC 3
NTC 4
1
22
23
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat
............. Cascade sensor
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Slave
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> None
............. DHW --> None
............. CH --> CH pump
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CONFIGURATION OF REGULAR SYSTEMS PRESTIGE SOLO/EXCELLENCE 3WAY VALVE
This section cont ains information on the elec trical connections, hydraulic connections and ACVM ax
controller set-up for Prestige 24-32 Solo/Excellence, that are required to operate the sys tem
conguration you have sel ected.
For simple congurations, the EZ setup functio n of the ACVMax can be used (refer to th e Installation,
Operation and Ma intenance manual provided with the appl iance).
For more complex systems, with additional pumps , several congurations have already been preset
in the ACVMax controll er to help you. Please refer to the following pages to see the predetermined
congurations.
For any system that is not ment ioned in this manual, please contac t your ACV representative.
GENERAL PUMPS
The pump congurato r system is based on the demands of the hydr aulic system that you design. In the
table below, you will nd th e 4 congurations that have been pres et in the ACVMax controller for th e
Prestige 24-32 Solo/E xcellence (identied as "Solo/Excel . (3-way valve)" in the Presti ge Model selection
menu), based on dierent hydr aulic schemes that can be used.
The table shows whi ch relays are activated under which con dition.
The names in the table refer to the demand done by CH1 by CH2 or DHW respectively, the demand to
open/close the Motor of a mi xing valve or reect the ac tivation of the alarm (error) or Flame output re lay.
In the following pag es, you will nd these diagrams wi th a conguration number that corre sponds to
the setting in th e display.
Cong. NoFlex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
1 Error CH2 CH1
CH1/CH2/
DHW
Flame
2 Error CH2 CH1 CH1/CH2
CH1/CH2/
DHW
Flame
3 Error CH2 CH1 Mix ope n
CH1/CH2/
DHW
Mix close
4 Error CH1/CH2 CH1 Mix open
CH1/CH2/
DHW
Mix close
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PRESET CONFIGURATION 1 PRESTIGE SOLO/EXCELLENCE 3WAY VALVE
DHW
CH1
CH2
Prestige
P3
P4
Two heating circuits, with two room thermostats and optional outdoor sensor,
and with DHW circuit.
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> None
............. CH --> Built-in circulator pump
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame sensor
............. P3 --> P3 pump (CH1 circuit)
3 4
1 2
X16
19
21
20
22
23
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
CH & DHW Settings
Boiler Settings
Boiler Settings
Prestige Model Solo/Excel. 3way valve
Lockout Temp. 105°C
Modbus Address 1
Pump settings
Ignition Level 3100rpm
Pump Settings
Current Pump Cong Solo/Excellence 1
Preset Pump Cong
Flexible Pump Cong
ACCESSING THE PRESET CONFIGURATION PAGE FOR THE SOLO/EXCEL .
(3 -WAY VA LVE)
To access the preset conguration p age, follow the selec tions shown on the screens b elow (Installer menu)
Pump Conguration 1
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1 CH1/CH2/
DHW
Flame
In the following hydr aulic diagrams, this represe ntation is used :
Warm wate r
Cold water
Preset Pump Cong
Solo / Excellence 1
Solo / Excellence 2
Solo / Excellence 3
Solo / Excellence 4
Do not forget to se lect the correct
boiler in the Boi ler Settings, Pre stige
Model.
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PRESET CONFIGURATION 2 PRESTIGE SOLO/EXCELLENCE 3WAY VALVE
Refer to "Accessing the pres et configuration page for the Solo/Excel. (3-way val ve)" on page
59, to know how to get to the relev ant page of the ACVMax controlle r.
Two heating circuits, with optional outdoor temperature sensor and room
thermostats, and with DHW circuit.
DHW
CH1
CH2
Prestige
P3
DHW
P4
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW --> CH circuit
............. CH --> Built-in circulator pump
............. P4 --> P4 pump (CH2 circuit)
............. Flame --> Flame sensor
............. P3 --> P3 pump (CH1 circuit)
3 4
1 2
X16
19
21
20
22
23
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Pump Conguration 2
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1 CH1/CH2
CH1/CH2/
DHW
Flame
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PRESET CONFIGURATION 3 PRESTIGE SOLO/EXCELLENCE 3WAY VALVE
Refer to "Accessing the pres et configuration page for the Solo/Excel. (3-way val ve)" on page
59, to know how to get to the relev ant page of the ACVMax controlle r.
The room therm ostat 1 always controls the low tempe rature system.
CH2 CH1 Low
Prestige
P4
P3
W
2
W
1
DHW
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW - -> M otorized 3-way valve OPEN
............. CH --> Built-in circulator pump
............. P4 --> P4 pump (CH2 circuit)
............. Flam e --> Motorized 3-way v alve CLOSE
............. P3 --> P3 pump (CH1
Low
circuit)
3 4
1 2
X16
19
21
20
22
23
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Pump Conguration 3
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH2 CH1 Mix open
CH1/CH2/
DHW
Mix close
High and Low temperature heating circuits, with optional outdoor temperature
sensor and room thermostats, and with DHW circuit.
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
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PRESET CONFIGURATION 4 PRESTIGE SOLO/EXCELLENCE 3WAY VALVE
Refer to "Accessing the pres et configuration page for the Solo/Excel. (3-way val ve)" on page
59, to know how to get to the relev ant page of the ACVMax controlle r.
CH2 CH1 Low
Prestige
P4
P3
W
2
W
1
DHW
Electrical board terminals Terminal name --> Connected to
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
............. ERR --> Error (Alarm)
............. DHW - -> M otorized 3-way valve OPEN
............. CH --> Built-in circulator pump
............. P4 --> P4 pump (CH circuit)
............. Flam e --> Motorized 3-way v alve CLOSE
............. P3 --> P3 pump (CH1
Low
circuit)
3 4
1 2
X16
19
21
20
22
23
24
123
1
21234123456
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (N TC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
X100
6
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
V
W
B
W
B
B
9 10 11 12 13 14 15 16
16 15 14 13 12 11 10 9
Y/Gr
Y/Gr
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4 P3
FL
Pump Conguration 4
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error CH1/CH2 CH1 Mix op en
CH1/CH2/
DHW
Mix close
High and Low temperature heating circuits, with optional outdoor temperature
sensor and room thermostats, and with DHW circuit.
The room therm ostat 1 always controls the low tempe rature system.
Essential recommendations for the correct operation of the system
• Low temperatur e sensor is not shown here, b ut make sure to install one to contr ol the
circuit (using the additional wiring made available in the optional wiring kit).
• Low temperatur e cut-out thermostat is not s hown here, but make sure to inst all one to
protect the low t emperature circuit (to be connec ted to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagr ams and ref. 14 on Prestige 24-32 Solo/Exce llence
wiring diagram).
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ACVMAX PARAMETERS FOR THE SPECIALIST
ACVMAX PARAMETERS FOR THE SPECIALIST
Status Line Message Description
Standby Indicates that the Prestige is ready to respond when a demand is received.
CH Demand A central heating call has been received.
DHW Demand A domestic hot water call has been received.
CH / DHW Demand
Central heating and domestic hot water calls are being received simultaneously. Both calls are being satised simultaneously because domestic hot
water priority has been disabled.
DHW Priority
Central heating and domestic hot water calls are b eing received simultaneously. Domestic hot water call is being satised r st because it has priority
over central heating calls.
Priority Timeout
Central heating and domestic hot water calls are being received simultaneously. The domestic hot water priority time limit has been exceeded.
Priority will now switch back and forth between central heating and domestic hot water calls until one call is satised.
External Demand An ex ternal modulation call has been received.
Slave Operation The Prestige is a slave in a cascade system.
Manual Operation The burner or circulators have manually been enabled in the Installer Menu.
CH Burner Delay The burner will not re until the call blocking time has elapsed.
DHW Burner Delay The burner will not re until the call blocking time has elapsed.
CH Setpoint Reached
The burner is not red because the supply/system water temperature exceeds the setpoint. The central heating circulator continues to operate and
the burner will re again once the supply/system water temperature drops below the setpoint.
DHW Setpoint Reached
The burner is not red because the supply/system water temperature exceeds the setpoint. The domestic circulator continues to operate and the
burner will re again once the supply/system water temperature drops below the setpoint.
CH Post Pump The central heating circulator is running to remove heat from the Prestige at the completion of a call.
DHW Post Pump The domestic hot water circulator is running to remove heat from the Prestige at the completion of a call.
Freeze Protection Freeze protection will end once the supply/system water temperature is raised to 16ºC.
Boiler Protection
The burner ring rate is being reduced because of an excessive dierence between the boiler supply and return temperatures. The ring rate will
begin increasing once the temperature dierence is less than 25ºC.
Lockout Description The lockout which currently has the Prestige shut down is displayed.
LIST OF STATUS LINE MESSAGES
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ACVMAX PARAMETERS FOR THE SPECIALIST
Information Items Description
Boiler Status Displays the current operating state of the Prestige. This is the same as the status line on the home screen.
Heating Call Displays if a central heating call is present.
DHW Call Displays if a domestic hot water call is present
Boiler Firing Rate Displays the current ring rate of the Prestige
Ionization Current Displays the current ame ionization current from the ignitor
Boiler Setpoint Displays the current setpoint of the Prestige.
Supply Temp. Displays the current supply temperature of the Prestige.
Return Temp. Displays the current return temperature of the Prestige.
Boiler Flue Temp. Displays the current ue temperature of the Prestige.
Outdoor Temp. Displays the current outdoor temperature
DHW Storage Temp. Displays the current DHW storage temperature when Indire ct Water Heater Sensor is installed
External Modulation Signal Displays the current external modulation signal being received from an ex ternal controller.
Pressure Displays the system pressure.
CH Ignitions Displays the number of central heating ignitions since the unit was installed. This counter increases in increments of twenty.
CH Runtime Displays the number of hours the Prestige has run for a central heating call since the unit was installed.
DHW Ignitions Displays the number of domestic hot water ignitions since the unit was installed. This counter increases in increments of t wenty.
DHW Runtime Displays the number of hours the Prestige has run for a domestic hot water call since the unit was installed.
Mix Zone Temperature Displays the temperature of the low temperature mixed circuit
LIST OF INFORMATION ITEMS
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BLOCKAGE AND ERROR CODES
BLOCKAGE AND ERROR CODES
Codes Description of the fault Solution for the fault
E 01 Failed ignition: The burner failed to light after 5 ignition attempts.
1. Check gas supply to boiler.
2. Check Ignition cable connection in control box.
3. Check electrode for defects, and distance between the pins.
4. Check gas valve and electrical connections to gas valve.
E 02 False ame: Flame detected prior to ignition.
1. Check good electrical ground connection to unit.
2. Check electrode for pollution and deposition of dirt.
E 03 High Boiler temp. : The boiler temperature exceeds 105°C
Correct condition which caused high temperature or limit to open.
1. Check water ow in the system (radiator valves).
2. Check Pump and pump electrical connections.
E 05 Blower speed: Blower speed not correct or speed signal is not received by ACVMax.
1. Check blower and wiring harness.
2. Under normal condition if actual fan speed is 1000 rpm dierent from set fan speed an error is displayed (after 60sec in
running and after 30 sec. at startup).
3. Only exception when actual fan speed > 3000 rpm at max. PWM.
E 07 High Flue temp.: Flue temperature exceeds high limit.
1. Heat exchanger may require cleaning.
2. Boiler will automatically reset o nce flue temperature returns to normal range.
E 08 Flame Circuit Error: Flame circuit test failed
1. Turn boiler o.
2. Check and clean the electrode.
3. Check ignition and grounding cables are rmly connected.
E 09 Gas valve circuit error: Gas valve circuit test failed.
1. Check the gas valve and wiring harness.
2. If the problem persists replace the “ACVMax” circuit board.
E 12 Internal Fault: EEPROM misconguration
1. Turn unit o and on to resume normal operation.
2. If the problem persists replace the “ACVMax” circuit board.
E 13 Reset limit reached: Resets are limited to 5 every 15 minutes.
1. Turn unit o and on to resume normal operation.
2. If the problem persists replace the “ACVMax” circuit board.
E 15 Sensor Drift: Supply or return sensor reading has drifted. Check supply and return temperature sensors and wiring harness.
E 16 Supply Sensor Stuck: Supply sensor reading is not changing.
1. Check supply temperature sensor and wiring harness for shortcuts or other defects.
2. Check waterow and the temperature balance in the system, because CH supply temperature does not change.
E 17 Return Sensor Stuck: Return sensor reading is not changing.
1. Check return temperature sensor and its position, check wiring harness for shortcuts or other defects.
2. Check waterow and the temperature balance in the system, because CH return temperature does not change.
3. Failure may happen at low output capacity when supplying from a big tank !
E 18 Sensor Failure: Supply or return sensor reading changed very rapidly. Check supply and return temperature sensors and wiring harness.
E 21 Internal Control Fault: A / D conversion error. Turn unit o and on then press OK to resume normal operation.
E 25 Internal Control Fault: CRC check error. Turn unit o and on to resume normal operation.
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BLOCKAGE AND ERROR CODES
Codes Description of the fault Solution for the fault
E 30
Supply Sensor Shorted: A short circuit has been detected in the boiler supply tem-
perature sensor circuit
1. Check supply temperature sensor and wiring harness for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem, reset the appliance and resume normal operation.
E 31
Supply Sensor Open: An open circuit has been detected in the boiler supply tempera-
ture sensor circuit
1. Check supply temperature sensor, connectors and wiring harness for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 32
DHW Sensor Shorted: A short circuit has been detected in the DHW temperature
sensor circuit
1. Check DHW temperature sensor and wiring harness for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 33
DHW Sensor Open: An open circuit has been detected in the DHW temperature
sensor circuit
1. Check DHW temperature sensor, connectors and wiring harness for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 34 Low Voltage: Line voltage has fallen below an acceptable operating level.
The boiler will automatically reset once line voltage returns to normal.
E 37 Low Water: Water level has fallen below 0.7 bar.
1. Increase pressure to normal range.
2. The boiler will automatically reset once water level returns to normal.
E 43
Return Sensor Shorted: A short circuit has been detected in the boiler return tem-
perature sensor circuit.
1. Check return temperature sensor and wiring harness for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem, reset the appliance and resume normal operation.
E 44
Return Sensor Open: An open circuit has been detected in the boiler return tempera-
ture sensor circuit.
1. Check return temperature sensor, connectors and wiring harness for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem, reset the appliance and resume normal operation.
E 45
Flue Sensor Shorted: A short circuit has been detected in the boiler ue temperature
sensor circuit
1. Check ue temperature sensor and wiring harness for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 46
Flue Sensor Open: An open circuit has been detected in the boiler ue temperature
sensor circuit.
1. Check ue temperature sensor, connectors and wiring harness for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E47 Water pressure sensor error: Water pressure sensor is disconnected or broken
1. Check water pressure sensor, connectors and wiring harness.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 76
Gas pressure switch open
1. Check both the static and the dynamic gas pressures.
2. Correct condition which caused the pressure switch to open
3. Boiler will automatically reset once the pressure switch is closed.
External Limit Open: An external automatic reset boiler limit has opened.
1. Correct condition which caused limit to open.
2. Boiler will automatically reset once external limit closes
E 77 High temperature mixing circuit
Check if the mixing valve functions correctly.
E 78 Mix circuit sensor shorted
1. Check Mix circuit temp. sensor and wiring harness for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
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BLOCKAGE AND ERROR CODES
Codes Description of the fault Solution for the fault
E 79 Mix-circuit sensor Open
1. Check Mix circuit temp. sensor and wiring harness for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 80 Return > Supply: Return temperature is higher than supply temperature. Conrm water ows in boiler return and out boiler supply.
E 81 Sensor Drift: Supply and return temperatures are not equal.
1. Check water is owing through boiler.
2. Wait a few minutes for the water to equalise the temperature, the boiler will automatically reset once temperatures be-
come equal.
3. If boiler doesn't reset, check the NTC's and check the wire harness, replace if necessary.
E 87 External Limit Open: An external boiler limit has opened.
1. Correct condition which caused limit to open, then reset boiler.
2. The boiler needs to be reset once external limit closes.
E 89 Incorrect Setting: A parameter setting is outside the settings range.
1. Review CH & DHW settings and correct as necessary.
2. The boiler will automatically reset once corrected.
E 90 Firmware Mismatch: Control module and display rmware versions are incompatible. One or several components are not compatible with the system. Replace mismatched component(s).
E 91
System Sensor Shorted: A short circuit has been detected in the system temperature
sensor circuit
1. Check system temperature sensor and wiring for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 92
System Sensor Open: An open circuit has been detected in the system temperature
sensor circuit.
1. Check system temperature sensor and wiring for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 93
Outdoor Sensor Shorted: A short circuit has been detected in the outdoor tempera-
ture sensor circuit.
1. Check outdoor temperature sensor and wiring for a short circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 94 Internal Display Fault: Display memory error Turn unit o and on to resume normal operation.
E 95 Supply Sensor Error: Supply sensor reading is invalid
1. Check wiring between display and control module.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 96
Outdoor Sensor Open: An open circuit has been detected in the outdoor tempera-
ture sensor circuit.
1. Check outdoor temperature sensor and wiring for an open circuit.
2. If necessary replace the sensor, or the wire harness.
3. After xing the problem reset the appliance and resume normal operation.
E 97 Cascade Mismatch: Cascade conguration has changed.
1. Run autodetection if change was intentional, or else check wiring between boilers.
2. Boiler will automatically reset once repaired.
E 98 Cascade Bus Error: Communication with other boilers has been lost.
1. Check wiring between boilers.
2. Boiler will automatically reset once repaired.
E 99
Controller Bus Error: Communication between boiler display and control module has
been lost.
1. Check wiring between components.
2. Boiler will automatically reset once repaired.
System Control - ACVMax: 6 60Y2800 • C
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