Air-cooled Chiller with Heat Pump function
Air-cooled Chiller with Heat Pump function in Stainless Steel
Operation · Technology · Spare parts
Edition GB – D10
Contents
Safety notes
Environmental protection and recycling
Warranty
Transport and packagin
System description
System configuration
Operation
Care and maintenance
Shut-down
Trouble-shooting and customer service
Installation instructions for qualified personnel
Installation
Condensate draining and ensured discharge
4
4
5
5
5-6
7
7-13
14
14
15-17
18-20
21-25
25-26
Electrical connection
Electrical components
Electrical drawings
Leak testing
Before commissioning
Commissioning
Unit dimensions
Exploded view
Spare parts list
Performance graphs
Technical data
Read these operating instructions carefully
before commissioning / or using the system.
26-28
29
30-31
32
32-33
34
35
36/38
37/39
40-41
42
These instructions are an integral part of the system and must be
kept at all times near by or on the system.
This operating manual is a translation of the German original.
Subject to modifications; no liability accepted for errors or misprints!
3
REMKO RVS...H (INOX)
Safety notes
Carefully read the operating instructions before commissioning the
system. It provides useful tips and
information as well as hazard
warnings to prevent injury or material damage .
Failure to follow the directions in
this manual can result in injury,
damage to the environment and
the system itself and will null in
void any claims for liability.
■
Keep this manual and the refrigerant data sheet by the system.
■ The system or components
are not to be exposed to any
mechanical stresses, extreme
levels of humidity or extreme
sunlight.
■ The unit should be set up and
installed only by qualified personnel.
■ The installation, connection and
operation of the system and its
components must be carried out
in accordance with the operating instructions as stipulated in
this manual and comply with all
applicable local regulations.
■ Mobile systems must be set up
securely on suitable surfaces and
in an upright position. Stationary
systems must be permanently
installed for operation.
■ Modification of the system or
its components supplied by
REMKO is not permitted and
can cause malfunctions.
■ The system and components
may not be operated in areas
where there is an increased risk
of damage. Observe the minimum clearances.
■ The electrical supply should be
adapted to fulfil the requirements of the system.
■ The operational safety of system
and components is only assured
if they are fully assembled and
used as intended. Safety devices
may not be modified or disconnected.
■ Do not operate the system or
components with obvious defects or signs of damage.
■ All housing parts and openings
in the system, e.g. air inlets and
outlets, must be free of foreign
objects, fluids, or gases.
■ The system and components
must not be installed in hazardous areas or areas where the air
is contaminated with abrasive/
corrosive materials or dust.
■ Touching some parts of the sys-
tem can result in burns or other
injury. Wearing appropriate
protective clothing is necessary
to avoid risks.
■ Only authorised personnel and
personnel trained in the use of
the system and its components
are permitted access to and
allowed to operate the system
and its components.
■ Installation, repair and mainte-
nance work should only be carried out by authorised personnel. Inspection and cleaning can
be performed by the operator
providing the system is not under current/voltage.
■ To avoid any risks to persons,
appropriate precautions are to
be taken when installing, repairing, maintaining, cleaning or
working on the system.
■ The system or components
are not to be exposed to any
mechanical stresses, extreme
levels of humidity or direct
sunlight.
Environmental
protection
and recycling
Disposal of packaging
All products are packed for transport in environmentally friendly
materials. Make a valuable contribution to reducing waste and
preserving raw materials. Only
dispose of packaging at approved
collection points.
Disposal of equipment
and components
Only recyclable materials are used
in the manufacture of the system
and components.
Help protect the environment by
ensuring that the system or components (for example batteries) are
not disposed in household waste,
but only in accordance with local
regulations and in an environmentally safe manner, e.g. using certified firms and recycling specialists
or at collection points.
4
Warranty
System description
It is important for any warranty
claims is that the customer or
his accepting representative fully
complete the warranty registration card and commissioning report
which is included with the system
at the time when it is purchased
and commissioned and that these
documents are returned to REMKO
GmbH & Co. KG. The warranty
conditions are detailed in the "General terms and conditions". Only
the parties to a contract can negotiate any special agreements beyond
these conditions. In this case, contact the contractual partner.
Transport and
packaging
The system is shipped in sturdy
transport packaging. Immediately
check the system on delivery and
make note of any damage or missing parts on the delivery note and
inform the forwarding agent and
your contractual partner.
Warranty claims at a later date will
not be accepted.
In cooling mode, the unit (an air to
water chiller) takes heat out of the
operating medium to be cooled,
water or a mixture of water and
glycol, within a closed medium
cycle in the evaporator (plate heat
exchanger) and gives it off to the
closed cooling cycle. Through the
heat exchange, the medium cools
and the refrigerant in the cooling
cycle vaporises under low pressure.
The vaporised refrigerant passes
into an electrically driven compressor (rotary piston or scroll design),
which increases the refrigerants
pressure and temperature. The
vaporise refrigerant passes into a
finned condenser, which, as a consequence of the heat exchange,
condenses the refrigerant under
high pressure to a liquid. The air
that passes through the condenser
heats the surrounding area. The
liquid refrigerant is returned by
means of a thermal expansion
valve back to the evaporator
where the process starts again.
In heating mode, a chilled water
system with heat pump functions
(HP-function) can take up heat
from the ambient air in the finned
condenser and give it off to the
operating medium. A reversing
valve switches the cooling cycle.
A independent return temperature
regulator, which ensures the safety
functions of the system controls
the cooling and heating. A remote Enabling switch provides for
remote on/off.
The system is designed for outdoor installation. Under certain
circumstances, it can also be used
indoors. The system’s cooling
cycle comprises of: an evaporator,
a compressor with a crankcase
heater, a thermal expansion valve,
condenser, condenser fan, fan
speed system and high and low
pressure switches. Systems with
heat pump function also have a
reversing valve and a refrigerant
tank.
The medium cycle comprises a
circulation pump, expansion vessel,
safety valve, medium storage tank
and a flow switch. Accessories include: Cabled remote control, vibration dampers, glycol concentrate
and a technical acceptance test.
Intended use
Depending on the model and the
equipment, the system is only
intended to be used as a chilled
water system for the cooling or
warming of the operating medium
water or a water-glycol mixture
within a closed cycle.
Any other use or use in a way that
dose not conform with the definition above is considered an incorrect use.
The manufacturer/supplier assumes no liability for damages arising from the incorrect use of the
system or any part of it. The user
dose so at their own risk. Using the
system correctly means working
in accordance with the operating
manual, installation instructions
and complying with the maintenance requirements.
The medium can be circulated
to the room to be cooled via the
floor, or via the ceiling depending
on where the unit is mounted.
For each of the different systems, a
minimum flow volume and a minimum medium volume is needed
for safe operation.
NOTE
The escape of refrigerant contributes to climatic change. In
the event of escape, refrigerant
with a low greenhouse potential has a lesser impact on global warming than those with a
high greenhouse potential.
This device contains refrigerant with a greenhouse potential of 1975. That means the
escape of 1 kg of this refrigerant has an effect on global
warming that is 1975 times
greater than 1 kg CO2, based
on 100 years. Do not conduct
any work on the refrigerant
circuit or dismantle the device - always enlist the help of
qualified experts.
Operation
The system can be easily operated
via the fully automatic controller
μC2SE. If due to local conditions
programming via the internal control course difficulties, the system
can also be programmed via a cabled remote controller (accessory)
or an external ON/OFF-Switch.
A centralised fault contact, part of
the standard equipment, can be
Methods of operation
Enable contact
On/OFF Cooling/Heating
(e.g. building management
system)
(Standard equipment)
Cable
remote control
(Accessories)
used for the external signalling of
a fault.
The system is designed as a two
pipe system.
The system has 2 medium pipes
(supply and return) for cooling
using a cold medium or heating
using a warm medium.
Controller
(Standard equipment)
μC2SE
Centralised
fault signal
(Standard equipment)
! CAUTION
If a combination of letters /
numbers is shown in the display, then there is a malfunction in the unit (see chapter on
trouble-shooting and customer
service).
TIP
Help save on energy consumption in stand-by mode! If the
device, system or component
is not in use, we recommend
disconnecting the power supply. Components with a safety
function is excluded from our
recommendation!
7
REMKO RVS...H (INOX)
Operating the controller µC2SE
The controller has 3 modes:
1. Summer mode (cooling mode)
In cooling mode, the warmer medium temperature is cooled to the
preset cooler temperature.
2. Transition mode (heating mode)
In heating mode, the cooler medium temperature is heated to the
preset warmer value.
3. Standby mode (Stand-by)
In the Stand-By mode, safety
equipment is active but no operating mode is set.
Key-Pad ""
Using this key-pad, the currentmenu can be exited.
! CAUTION
During the initialization of the
controller (after starting the
unit and displaying the software version, e.g. “H 99”) do
not push the key-pad “Prg”
to avoid reprogramming the
controller!
Key-Pad ""
This key-pad is used for selecting open/close, a selected
value or parameter.
Key-Pad ""
Prolonged pressing (5 sec.)
allows switching between theoperating modes „Cooling“and
„Stand-By“.Short pressing,
displaysof the current values
for the temperature probes B1
to B3 and the pressure tranceducer B4. A value can also be
increased.
Key-Pad ""
Prolonged pressing (5 sec.)
allows switching between theoperating modes „Heating“and
„Stand-By“. Short pressing
displaysthe current values for
the temperature probes B1 to
B3 and the pressure tranceducer B4. A value can also be
reduced.
Controller control panel
Key-Pad " and " together
+
Pressing long (5 sec.)and
together and on entering a
password, the parameter level is
opened.
Key-Pad " and " together
+
Pressing long (5 sec.) and
together allows the acknowledgement of a pending faults
or operating hours.
Key-Pad " and " together
+
in heating mode
Longer pressing together
triggers manual defrosting in
heating mode.
Icon cooling mode
The icon displays the selected
cooling mode.
Icon heating mode
The icon displays the selected
heating mode.
Icon "Fan"
The icon lights up, if the condenser fan is activated.
Icon "Pump"
The icon lights up, if the circulating pump is activated.
µC2SE
Icon General alarm
The icon, displays the respective
code, and fault.
Icon Defrosting status
The icon(lights up) displays
that the defrosting cycle in the
fin condenser is active. When
blinking the controller is calculating the necessary defrosting
time.
Icon Frost protection heating
The LED provides information
about the operating status for
the frost protection heating
medium.
Icon "Fault"
The LED shows that there is a
fault.
Icon Compressor 1
The illuminated LED indicates
that compressor 1 is in operation. The LED blinks if the
compressor is in safety mode.
Icon Compressor 2
See description point .
Icon Compressor 3
See description point .
Icon Compressor 4
See description point .
Value display
The value display shows current
values.
8
External operation
External enabling contact
External operating contact C / H
Key-Pad functions
Standard means of switching on or off of the system is done manually
using the controller or using the cabled remote control available as an
accessory. Parameters must be changed if the system is to be activated
externally by means of an electrical switch.
Parameter H 07 activates the external Controller.
With regard to the subject of switching, please read the respective chapter under “electrical connection”.
Operating using the controller is no longer possible once the parametershave been changed.
Standard means of switching between the heating and cooling modes
is done manually using the controller or using the cabled remote control
available as an accessory. A parameter must be changed if the operating
mode is switched externally by an electrical switch.
Parameter H 06 activates the external switching.
With regard to the subject of switching, please read the respective chapter under “electrical connection”.
Operating using the controller is no longer possible once the parameters
have been changed.
Operating the unit is carried out using the controller’s key-pads. Checking current value or putting in the target
value for the summer mode (cooling mode) and the transition mode (heating mode) only for systems with (HPfunction) is done without the use of a password.
Qualified personnel who are authorised to use a passwords, can access submenus to change the systems configuration. All changes to the parameters must be documented and kept permanently by the system.
The following diagrams provide simplified illustrations of the operating functions.
Setting the operating mode
Activate or deactivate the unit with the or key-pad by pressing
for more than 5 seconds. The set operating mode appears in the display
(cooling or heating icon).
The unit has three modes: Stand-By mode, Summer mode (cooling mode)
and Transition mode (heating mode only for systems with HP function). In
Stand-By mode no symbol is shown only the current value is displayed. All
fault reports and frost protection resistors are active.
Operating mode Stand-By
5 sec.
HEATING
MODE
Heating mode
5 sec.
COOLING
MODE
Cooling mode
min. 5 sec.
min. 5 sec.
Note: Other functions can be programmed for the icon by changing the
parameters.
9
REMKO RVS...H (INOX)
Programming target values
Target value cooling mode
The target value cooling (r 01) and the actual (hysteresis) cooling (r 02)
can be displayed and changed under the menu item “-r-” without the
use of a password.
With the Key-Pad ▲ or ▼ the value can be changed within limits.
r 01 = 12.0 °C Target value cooling mode (factory setting)
r 02 = 2.0 °C Hysteresis cooling mode (factory setting)
Minimum target value cooling mode 10.0 °C
Maximum target value cooling mode 28.0 °C
min. 5 sec.
+
repeated
short-termshort-term
Password
short-termshort-term
new target value
Display
Submenu
old target value
...
short-term
Target value cooling
short-term
Submenu
Target value heating mode
The target value heating (r 03) and the hysteresis heating (r 04) can be
displayed and changed under the menu item “-r-” without the use of
a password.
With the Key-Pad ▲ or ▼ the value can be changed within the limits set
in the factor (r15 + r16).
r 03 = 40.0 °C Target value heating mode (factory setting)
r 04 = 2.0 °C Hysteresis heating mode (factory setting)
Minimum target value heating mode 15.0 °C
Maximum target value heating mode 45.0 °C
min. 5 sec.
+
repeated
short-termshort-term
Password
short-termshort-term
new target value
Display
Submenu
old target value
...
short-term
Target value cooling
short-term
Submenu
...
10
Operating Status
Display of Operating Time
Go to menu for operating hours. A clock display will appear.
c10 = Operating time compressor 1 in hours x 100
c11 = Operating time compressor 2 in hours x 100
c15 = Operating time circulation pump in hours x 100
min. 5 sec.
+
repeated
repeated
short-termshort-term
min. 5 sec.
+
min. 5 sec.
+
if necessary
for mainte-
nance
if necessary
for mainte-
nance
repeated
repeated
1670 operating hours0 operating hours
...
short-term
short-term
Circulation pump 1
short-term
Compressor 1920 operating hours0 operating hours
...
Working time can be reset at the menu level by pressing the Key-Pad
and for 5 seconds.
Display of the operating values
The normal display shows the medium intake temperature.
Additional values can be called up by briefly pressing the key-pad or
short-term
/
repeated
automatic
automatic
short-term
automatic
short-term
automatic
short-term
automatic
Current value probe b01
medium intake
Current value probe b02
medium outlet
Current value probe b03
condenser temperature cooling cycle
Current value tranceducer b04
high pressure side cooling cycle
.
11
REMKO RVS...H (INOX)
Call up of fault reports
(See chapter on trouble-shooting and customer service)
Fault reset
To protect the system from damage, the controller checks the temperature, pressure, configuration, etc. of the relevant safety components by
means of sensors and inputs. The controller’s display shows a series of
letters as a coded fault report. A fault code given corresponds with a
cause (see table “Coded fault reports”).
The controller shows the current faults one after the other.
Simultaneously pressing key-pad and can, after the fault has been
corrected, be used to confirm the correction.
automatic
2 sec.
High pressure
automatic
2 sec.
automatic
2 sec.
Differential pressure monitor
min. 5 sec.
+
Faults are saved in a fault list. A password must be used to delete the list.
min. 5 sec.
+
short-termshort-term
High pressure
min. 5 sec.
+
Fault deleted
12
Overview of the operating structure
Configuration
Frost protec-
tion
Current values
sensors
Compressor
Defrost
Fan
min. 5 sec.short-termshort-term
+/
Password
Display
01: sensor type B1
02: sensor type B2
03: sensor type B3
04: sensor type B4
13. Calibration B1
14. Calibration B2
15. Calibration B3
16. Calibration B4
21: Digital filter
22: Input limit
23: Unit of measurement °C/°F
A01: Target value frost protection
A02: Hysteresis frost protection
A03: Time delay frost protection
A04: Target value medium heating
A05: Hysteresis medium heating
A06: Sensor medium heating
A07: min. frost protection setting
b01: Current value sensor medium intake B1
b02: Current value sensor medium output B2
b03: Current value sensor condenser B3
b04: Current value HD-pressure transducer B4
C01: min. working time compressor
C02: min. down time compressor
C03: Time delay On-On compressor
C04: Time delay On-On compressor 1/2
C05: Time delay Off-Off compressor 1/2
C06: Switch-on delay compressor
C07: Switch-on delay pump-compressor
C08: Switch-off delay compressor-pump
C09: max. working time compressor step 1-2
C10: Working time compressor 1
C11: Working time compressor 2
C12: Working time compressor 3
C13: Working time compressor 4
C14: Maintenance fault compressor
C15: Working time circulation pump 1
C16: Working time circulation pump 2
C17: min. stop time before operation circulation pump
C18: min. working time circulation time
C19: Delay 4-way valve - compressor
d01: Function mode defrosting
d02: Input parameter °C/P
d03: Target value defrosting start
d04: Target value defrosting end
d05: min. working time defrosting start
d06: min. defrosting duration
d07: max. defrosting duration
d08: Delay defrosting interval cycle 1
d09: Delay defrosting interval cycle 1-2
d10: external contact defrosting start
d11: Frost protection heating
d12: Wait time before defrosting
d13: Wait time after defrosting
d14: Defrosting cycle 2
d15: Defrosting start cycle 2
d16: Forced ventilation time after defrosting
d17: Target value air circulation defrosting
d18: max. exterior temperature (slid. defr.)
d19: Hysteresis defrosting start (slid. defr.)
d20: Hysteresis exterior temperature (slid. defr.)
F01: Configuration fan output
F02: Operating mode fan
F03: min. initial speed
F04: max. initial speed
F05: Target value cooling mode °C/P
F06: Hysteresis value cooling mode °C/P
F07: Hysteresis min speed cooling
F08: Target value heating mode °C/P
F09: Hysteresis heating mode °C/P
F10: Hysteresis min speed heating
F11: Fan start-up period start with 100%
F12: Pulsing fan start-up period
F13: Function mode fan defrosting
F14: Pre-ventilation cooling
F15: Low noise activation
F16: Hysteresis low noise mode cooling
F17: Hysteresis low noise mode heating
Display
Parameter value
Display
Password level
Software
version
Real time clock
(not usable)
Controller
Faults
Units
Password levelDisplay
Direct / without PW_d_
User / partly special_U_
Superuser / special_S_
Factory / manufacturer_F_
t01: Real time setting hour
t02: Real time setting minute
t03: Real time setting day
t04: Real time setting month
t05: Real time setting year
t06: Setting hour start cooling
t07: Setting minute start cooling
t08: Setting hour stop cooling
t09: Setting minute stop cooling
t10: Setting hour start heating
t11: Setting minute start heating
t12: Setting hour stop heating
t13: Setting minute stop heating
t14: Setting hour start LN cooling
t15: Setting minute start LN cooling
t16: Setting hour stop LN cooling
t17: Setting minute stop LN cooling
t18: Setting hour start LN heating
t19: Setting minute start LN heating
t20: Setting hour stop LN heating
t21: Setting minute stop LN heating
r01: Target value cooling
r02: Hysteresis cooling
r03: Target value heating
r04: Hysteresis heating
r05: Rotation compressor 1/2
r06: Configuration compressor mode
r08: max. activation time compressor
r09: min. activation time compressor
r10: max. deactivation time compressor
r11: min. deactivation time compressor
r12: Hysteresis deactivation compressor
r24: Target value autom. Switching
r25: Target value AT deactivation compressor
r26: Target value dehumidification cooling
r27: Regulation medium volumes
r28: Minimum mode compressor medium K
r29: Hysteresis compressor medium K
r30: Minimum mode compressor medium H
r31: Hysteresis compressor medium H
r32: Target value "Hot start"
r33: Hysteresis "Hot start"
H01: Configuration unit
H02: Number of cycles
H03: Number of evaporators
H04: Number of compressors per cycle
H05: Configuration circulation pump
H06: Digital input cooling/heating
H07: Digital input On/Off
H08: Configuration controller
H09: Key lock controller
H10: serial address controller
H11: Configuration digital outlets
H12: Configuration 4-way reversing valve
13
REMKO RVS...H (INOX)
Care and maintenanceShut-down
Regular care and maintenance of
the system will ensure trouble-free
operation and a long service life.
! CAUTION
Prior to performing any work,
The system must be switched
off and isolated from the
power supply and secured to
prevent accidental switch-on!
Care
■
Ensure the unit is protected
against dirt, mould and other
deposits.
■
Clean the unit using a damp
cloth. Do not use a jet (high
pressure).
■
Do not use any caustic, abrasive or solvent-based cleaning
products.
■
Clean the fins on the unit prior
to long shutdown periods.
List of task
Checks / maintenance / inspection
! CAUTION
Wearing appropriate protective clothing is necessary when
working on the system.
Maintenance
■ We recommend an annual
maintenance contract with an
approved specialist company.
TIP
This ensures the operational
reliability of your system!
NOTE
The local law can require a
leak test of the cooling system
and the quantity of cooling
medium to be checked. Inspection and documentation is
to be carried out by qualified
personnel.
Commis-
sioning
Monthly
Half-yearly
Temporary shut-down
1. Shut down the interior of the
system using the remote
control.
2. Shut the unit down either by
the internal controller or by using the remote.
3. Check the proportion (percentage) of glycol.
4. Check the unit for visible signs
of damage and clean it as
described in the chapter “Care
and maintenance”.
5. As much as possible, cover the
unit with a plastic foil to protect
it against the weather.
! CAUTION
If only water and not a mixture of water and glycol
is used, in regions subject
to freezing, water must be
drained from system when
it is not in operation The
drained water volume must be
replaced when system is put
back into operation!
Yearly
General
Clean dirt traps
Check medium charge
Check circulation pump
Dirt / damage condenser
Check quality of the glycol
Measure voltage and current
Check direction of rotation
Check compressor
Check fan
Check refrigerant charge
Check condensation drain
Test insulation
Leak test for refrigerant cycle
1) see note
14
•
••
••
••
••
••
••
••
••
••
••
••
••
• •
Permanent
shut-down
Ensure that equipment and components are disposed of in accordance with local regulations, e.g.
using certified firms and recycling
specialists or at collection points.
REMKO GmbH & Co. KG or your
contractual partner will be pleased
to provide a list of certified firms in
1)
your area.
Touble-shooting and customer service
The system has been manufactured using state-of-the-art production methods and in house tested many times to
ensure the system is 100% in working order. If malfunctions should occur, please check the system as detailed in
the list below. For installations with an indoor-outdoor system, observe the chapter “Trouble-shooting and customer
service” in both operating manuals.
Please inform your dealer if the system is still not working correctly after all the function checks have been performed.
Malfunctions
FaultPossible causeCheckRemedial measures
Check the power connections at the mains
No power supply
Display is not illuminated.
and the voltage values.
Check breaker switches/fuses at the secondary side of the supplemental transformer.
The unit
does not
start
The unit
is working with
reduced
cooling/
heating
capacity
The display is illuminated but
the unit does not start.
The unit does not start, the
compressor icon in the display
is blinking.
The display blinks and
alternately shows an
alphanumeric code and the
temperature value.
Compressor overload switch is
activated.
Thermal load was increased.
Supply temperature too high
(cooling) / too low (heating).
Air in the medium cycle.
Condenser / evaporator temperatures too high (cooling) /
too low (heating).
Incorrect phase sequence.
The KA3 phase sequence relay
did not enable.
Unit in STAND BY
No external enabling contact
is shortened
Start-up delay
One or more protective
devices have responded
Does the compressor icon light
up and does the switch have
voltage?
Have there been any structural
changes?
If the medium outlet temperature is approx. 5 ... 10 °C /
35 ... 40 °C?
Are automatic bleeders installed at the highest point?
Are the fins clean / free of ice
and the operating limits
complied with?
Replace power supply phase conductorat the
at the terminal strip on the switch panel.
See paragraph "Key functions" for the activation of the unit.
Check connection to the GND - ID5 terminals.
Wait out the start-up delay (max 360 sec.),
the compressor should then start.
Check which safety device has responded,
correct the cause of the fault and reset the
safety device (see "Fault display by code")
Have specialist replace switch or compressor.
Maintain safety clearances.
Increase/reduce medium intake temperature.
Bleed manually or install automatic bleeders.
Comply with operating limits
Cooling: Clean fins, provide shade for the
unit, heating: Reduce supply temperature
Are there leaks and are all of
the lines insulated?
Heating mode set?Normal operating status.
Please note that this trouble-shooting table continues on the next page
Increase medium flow with the installation of
a storage tank.
Seal and insulate.
15
REMKO RVS...H (INOX)
Malfunctions
FaultCodePossible causecheckRemedial measures
Mains failure
Unit's breaker/mains switch
turned off
Wait time too shortIs the compressor icon flashing?Plan for longer wait period.
Mains current has incorrect
direction of rotation.
Controller is not working
Medium intake temperature or
parameter setting wrong
No alarm / fault
E1Medium intake probe defectiveCheck resistance at B1Replace defective probe.
E2Medium outlet probe defectiveCheck resistance at B2Replace defective probe.
E3Condenser probe defectiveCheck resistance at B3Replace defective probe.
Outdoor temperature probe
E4
Cooling cycle pressure transducer
defective
Does all other electrical equipment function correctly?
Is voltage available to the unit?
Has the phase sequence relay
switched?
Is the icon for cooling mode, heating
mode or Stand-By mode illuminated?
Check setting.Change setting.
Check the contact "external
enable"
Check resistance/voltage at B4Replace defective tranceducer.
Check voltage and if necessary
wait until turned on again.
Switch on unit's breaker/ main
cycle breaker.
Change direction of rotation.
Energise and
select operating mode.
Open / close
the contact being used.
The unit
does not
start or
switches
itself
off.
High pressure faultCompressor relay switched on?Have checked by a specialist.
HP1
LP1Low pressure fault
Ht
A1
FL
High pressure fault
High pressure fault at pressure
tranceducer PT
Excessive temperature medium
intake
Excessive temperature condenser
Excess temperature condenser
Antifreeze alarm has
responded
Medium volume in the system
too low
Differential switch /
Flow switch
has responded
Are the fans turning?
Is the condenser's air intake free
of obstacles?
Is the value at B4 greater than
40 bar?
Is the pressure in the cooling
cycle OK?
Is the return temperature greater
than 50°C?
Are the fans turning?
Is the condenser's air intake free
of obstacles?
Have the operating temperatures
been exceeded?
Is the supply temperature greater
than or less than 4°C?
Has the minimum medium volume been complied with?
Are the following points OK:
- Medium flow volume
- No air in the medium lines
- Output of the circulation pump
- Does the flow switch operate
- Shut-off devices open
- Medium pressure to low
Have checked by a specialist.
Have checked by a specialist.
Have checked by a specialist.
Reduce temperature of the
medium
Have checked by a
specialist.
Shut down the system.
Increase return temperature,
Increase medium flow volume,
Set frost protection temp.
Comply with minimum medium
volume e.g. in the reservoir.
Have checked by a
specialist.
.
16
D1Fault defrosting
Hc1Compressor 1 maintenance
Maximum defrosting duration
exceeded
Maintenance interval compressor
1 has been reached.
Have checked by a specialist.
After maintenance by a specialist reset of the operating hours
see chapter "Querying the
operating status".
Malfunctions
FaultCodePossible causecheckRemedial measures
The unit
does not
start or
switches
itself
off.
ELS/EHS
Low/High supply voltage
controller
EP1EEprom controller errorDoes the controller operate properly?
EPrEEprom controller errorDoes the controller operate properly?
Initial voltage transformer, or mains
inlet voltage
Have checked by a
specialist.
Have specialist check regulation or
parameters.
Have specialist check regulation or
parameters.
Fault indicated by code
Code Fault typeRe-setIntake typeCut-off
A1Antifreeze alarm medium cycle
AHtExcess temperature at start
ALtInsufficient/or excess temperature at start C/H
CP1Compressor 1
E1Temperature sensor medium intake defective
E2Temperature sensor medium output defective
E3Temperature sensor condenser defective
E4Pressure tranceducer cooling cycle defective
EHSHigh supply voltage controller
ELSLow supply voltage controller
EP1EEPROM driver defective
EPbEEPROM fault at start
EPrEEPROM fault during operation
FLFlow monitor has responded
Hc1Maintenance interval compressor 1
HtExcessive temperature medium cycle
HP1Pressure switch HD cooling cycle
HP1Tranceducer cooling cycle excess pressure
LP1Pressure switch ND cooling cycle
tC1Overload cycle 1
tErCommunication cabled remote control
tPGeneral overload
Intake value
B2P05OWT 13/11xx
B1 / P16xIWT10xx
B1 / P19xIWT10xx
B1xIWT10xxx
B2xOWT 13/11xxx
B3xPT14/12xxx
Bn/V+xPSBn/V+
Trxxxx
Config.xxxx
Config.xxxx
ID1xFS6/9xxx
C14x
B1 / P16xIWT10
ID3<3/hrs <3/hrs HP2xon 1 min.
Bn/V+xPSBn/V+xxx
ID4<3/hrs <3/hrsLP3xx
P08-13xxx
P08-13xxxx
Automatic
Manual
Digital
xx
xxxx
xxxx
xxxx
Reports
LAGeneral reports
D1Report defrosting
dF1-2 Defrost cycle exceeded
Reset
1. Faults with automatic reset: The reset is carried out automatically.
2. Faults with manual reset: The reset can only be carried out by a specialist after the fault has been corrected.
3. Faults with semi-manual reset: The reset is first carried out automatically, afterwards only a manual reset is possible
by a specialist, after the fault has been corrected.
P08x
Defrosting
period
x
xxx
Analog
Compressors
Condenser fan
Circulation pump
17
REMKO RVS...H (INOX)
Installation instructions for qualified personnel
■
Important information
before installing
■
To install the system it is important to follow the installation
instructions for both the chiller
and the chilled water system
(indoor system) or heating
system when installing the
entire system.
■ The indoor system and the
chiller work independently. A
connection between the two is
not necessary.
■
Transport the unit in its original
packaging as close as possible
to the installation location to
avoid damage.
■
The units may only be moved
upright (installed position) using
appropriate transport equipment
(Figure 1).
Secure against tipping!
Lift the unit only at intended
lifting points. Never stress the
medium or refrigerant pipings.
■
The medium connection lines,
valves and connections must be
insulated against vapour
density. If necessary, also insulate the condensate line (only
units with HP-function). In dual
systems with cooling and
heating modes, the
requirements of the current or
other local law (EnEV) are to be
complied with.
■
Seal off open lines against dirt
and never kink or crimp the
lines.
■
Avoid unnecessary bending.
■
Establish all electrical connections connections in accordance
with the relevant DIN- and VDE
or other local standards.
■
In the selection of the installation site, pay attention to the
site itself and to any possible
noise reflexion from the surroundings.
■
To avoid the transmission of
vibrations the units must be
installed on vibration absorbing
material or on vibration isolated foundations. In doing so,
make sure that the lines are also
vibration isolated.
■
If the installation site must fulfil
special noise emission requirements, this must be done on
site where appropriate adjustments can be made. In this
cases, please consult a noise
level expert.
2 Correct way to lift
Lifting point
■
The unit must be kept upright
when transporting to a higher
elevation (Figure 2).
■
Check that the packaged contents are complete and inspect
the system for any visible signs
of transport damage.
Report any damage immediately to your contract partner and
the shipping company.
■
Select an installation location
with free air movement both
for the inlet and outlet. See
section “Minimum clearances”.
■
Do not install the unit in the
immediate vicinity of devices
with intensive thermal radiation, this will reduce the cooling
capacity.
■
Always fasten electric wiring
properly to the terminals,
otherwise there is a risk of fire.
■
Comply with all regulations
governing structural and building requirements and conditions
with regard to the installation
site.
1 Correct way to move
18
Wall openings
Installation inside buildings
■
We recommend that the inside
of the opening be padded or
lined for example with a PVC
pipe to prevent damage to the
pipe lines
■
After installation, the wall
.
opening should be sealed off
with a suitable sealant. Do not
use materials containing cement
or lime!
Installation material
The system is secured on vibration
absorbers (accessories) to the floor
by means of bolts. The carrying capacity of the console and the wall
must be taken into account when
fastening to the wall.
Selection of the installation
location
The unit is designed for horizontal
installation on a base in outdoor
areas. The installation site must be
level and firm. The unit should be
secured to prevent toppling.
The unit can be installed outside as
well as inside a building.
In the case of outdoor installation,
please follow the instructions given
below to protect the unit against
the weather.
Exposure to sunlight further increases the temperature of the fins
and reduces the heat released by
the finned heat exchanger.
The unit should, whenever possible, be installed on the north side
of the building.
If necessary, take measures to provide sufficient shade (responsibility
of customer).
This can be done by building a
small roof covering.
However, the discharging warm air
flow must not be affected by this.
Wind
If the system is being installed
where it is windy, care must be
taken that the discharged warm air
(cooling mode) is carried off in the
prevailing wind direction. If this is
not possible, it may be necessary to install a windbreak on-site
(Figure 3).
Ensure that the windbreak does
not adversely affect the air intaketo the unit.
Snow
The system should be wall-mounted
in areas where there is heavy snowfall. Mounting should be at least 20
cm above the expected snow level
to prevent snow from getting into
the system (Figure 4).
■
Ensure that heat can dissipate
adequately when placing the
outdoor unit in cellars, attics,
adjoining rooms or halls
(Figure 5).
■
Install an additional fan with
the same air flow as that of the
outdoor unit being installed in
the room which can compensate any additional pressure
losses. (Figure 5, Page 20).
■
Ensure a continuous and unobstructed air flow from outside,
preferably using sufficiently
large air openings (Figure 5, Page 20).
NOTE
Cooling or heating performance changes as a consequence of the ambient conditions influenced by rain, sun,
wind, and snow.
Rain
The unit should be at least 10 cm
off the ground when mounted on
the roof or ground.
For cooling and heating systems
(only HP-function) elevated installation increases the heating
capacity.
Sun
The finned condenser gives off
heat in the cooling mode.
3 Windbreak
Wind
4 Minimum clearance to snow
Snow
20 cm
19
REMKO RVS...H (INOX)
■
Comply with any regulations
and conditions affecting the
structure of the building. If
necessary, use sound reducing
material.
5 Installation inside buildings (cooling mode)
Warm air
Additional
Cold
fresh air
fan
Minimum clearances
The following illustration indicates
the minimum clearances for trouble-free operation of the system.
These protection zones serve to
ensure unrestricted air intake and
discharge, as well as providing sufficient room for performing maintenance and repairs and preventing the unit from being damaged.
Light
well
RVS 60HRVS 75HRVS 100HRVS 150H
A250250350350
B250300350400
C1000120015001500
D600600800800
E600600700700
Warm air
Chiller
Light
well
All values in mm
Minimum clearances
RVS 60H / RVS 75HRVS 100H / RVS 150H
E
A
B
20
A
B
D
C
E
D
C
Installation
NOTE
Installation may only be
undertaken by authorised
personnel.
Separating the
Transport pallet
The system is supplied with a pallet
for the purpose of transportation.
Remove this before installation.
Unit layout
6 Weight loads
Transport packaging
Transport pallet
Unit installation
1. Install the vibration absorbers
(accessories) under the system
(Figure 6).
2. Attach the unit to the building
where structurally permitted.
3. Ensure that structure-borne
noise is not transferred to other
parts of the building.
4. Connect the medium lines.
RVS 60H to RVS 150H
A
C
B
Holediameter14 mm
Load point A16,517,518,521,5
Load point B28,532,546,546,5
Load point C11,513,531,533,5
Load point D38,539,545,552,5
D
RVS
60H
RVS
75H
RVS
100H
RVS
150H
All values in kg
21
REMKO RVS...H (INOX)
Connection of the
medium lines
■
The connection of the lines
on-site takes place on the front
side of the unit.
■ For the purpose of servicing,
connections must be equipped
with shut-off valves and valves
for hydronic balancing.
■
Additional automatic bleed
valves are to be provided in the
supply and return at the installation's highest point.
■ The medium lines must not
exert any structural load on the
unit.
■ The line connections may not
generate any thermal or
mechanical stress on the unit.
If necessary, the lines should be
independently supported.
■ If the unit is at first to be operated
with only a part of the
entire system, the medium
flow volume for the missing
system components are to be
simulated using the volume
control valve.
■ The pipe size must not restrict
the minimum medium flow.
Necessary system components
Diagram of the System components
RVS 60H to RVS 150H
2
shippment
15
1
7
14
12
9
11
13
provided by the customer
5
10
6
10
4
3
4
8
3
RVS 60H to RVS 150H with medium storage tank (hydr. compensator)
9 Circulation pump
10 Valve for hydronic balancing
11 Diaphragm expansion vessel
12 Plate heat exchanger (evaporator)
13 Medium storage tank
14 Probe medium intake
15 Probe medium outlet
Installation of the safety valve
3
8
2
shippment
15
1
7
14
12
9
11
13
Pipe routing
RVS 60H / RVS 75H
no pipe
routeing possible
No pipe routeing possible
22
free pipe
routeing
possible
A permanent large flow volume
must be ensured to realise the
minimum medium flow.
RVS 100H / RVS 150H
No pipe routeing
possible
No pipe routeing possible
The standard safety valve is not installed. Position the valve as shown
in the illustration and carry out
the correct installation of the drain
line. Local disposal
regulations must be observed if
glycol is used.
Position safety valve
free pipe
routeing
possible
Minimum/maximum medium flow
The circulating pump generates a
constant medium flow; the result
is a loss of pressure in the system
and in the chiller.
The flow switch in the chiller
measures the medium pressure loss
over the evaporator and switches
the unit off if the minimum
medium flow is to low.
The medium flow limit may not
be exceeded (maximum medium
flow).
A Three-way-valve with bypass
and a hydraulic switch to establish
a primary and secondary cycle or a
volume dependent bypass is necessary to ensure a constant flow
volume.
Minimum medium volume of the
system
A minimum medium volume in the
system may not fall below
3.5 l/kW per power stage.
Ensuring the minimum medium flow
Incorrect
installation
2-way
valve
Correct
installation
3-way
valve
Pressure gauge and thermometer
The pressure gauge and thermometer to be installed on-site at
the intake and outlet serve to set
the medium flow. The display
should mean shut down In the
system there are temperature
sensors in the medium intake and
medium outlet.
The temperature at the probes can
be seen on the controller.
! CAUTION
During use and disposal,
product and safety data sheets
for the glycol type being used
as well as applicable local
regulations (e.g. Water
Resources Law) must be
observed.
! CAUTION
Use the required type and
mixture to set the antifreeze
setpoint.
Medium lines
Medium lines can be made of copper, steel or plastic. To minimise
pressure losses, only straight flow
through fittings should be used.
When designing the layout it must
be taken into account, the large
flow volumes in the systems, high
pressure losses in connection with
water-glycol mixtures and the
chiller’s minimum medium flow.
The lines are to be insulated
against vapour density and the
current Energy- Savings-Regulations (EnEV) or other local law
must be observed. UV resistance
material must be used outdoors.
Valve for hydronic balancing
The calculated individual
pressure losses in the pipeline
network layout for each individual
unit are adjusted to the entire
system with the valves for
hydronic balancing to be provided
on-site. The nominal flow volumes
for the medium adjust to the
necessary values as a consequence
of the pressure loss.
NOTE
To regulate the circulation pump
we recommend a main valve
for hydraulic balancing near the
unit.
Frost protection (accessories)
As a medium for a chilled water
system, a water-glycol mixture
is used as a rule. Depending on
the use to which the glycol type
and quantity is put, the viscosity changes, the loss in pressure
increases and the unit’s cooling or
heating capacity reduces. All system components must be suitable
for use with glycol.
As a rule, the addition to the water
of ethylene glycol, in a proportion
of 34%, with inhibitors for corrosion protection is recommended.
23
REMKO RVS...H (INOX)
This mixture ensures frost protection to –20°C; at lower temperatures, an ice porridge forms which
has no more expansion effect.
The toxicologically harmless
propylene glycol should be used if
there is a risk that the medium can
come into contact with drinking
water or food stuffs. To maintain
the expansion effects, a proportion
of 38% is necessary as a rule
Configuration parameter Ar 03
Propor-
glycol
Vol. %°CK
Antifreeze
tion
protection
+-2°C
00111,01211
20-90,9810,9881,0121,0401,19
35-210,9710,9821,0181,0901,35
40-260,9680,9811,0191,1051,51
Cooling
output
L
Correction factors when using
a mixture of glycol* and water
Compressor input
Cooling Heating
K
P cooling
K
P heating
Medium
flow
K
V
Pressure
loss
K
D
* We recommend using an ethylene glycol mixture. Observe the safety and product data sheets
for the glycol type being used.
Configuration antifreeze protection parameters
It can be necessary to reconfigure the antfreeze protection parameters
when using a water-glycol mixture. Under menu item -A- the parameter
A 01 can be changed within the limits of parameter A 04 and A 07.
Factory setting:
Activation antifreeze protection fault Parameter A 01 = +2.0 °C
Upper antifreeze protection setting Parameter A 04 = +4.0 °C
Lower antifreeze protection setting Parameter A 07 = - 40.0 °C
The following program sequence must be programmed.
min. 5 sec.
+
repeated
Diaphragm expansion vessel
To avoid pressure fluctuations
during non circulation because of
temperature changes, expansion
vessels filled with nitrogen (moisture
neutral) must be integrated in the
system.
The unit’s standard equipment
includes one expansion vessel. The
preliminary pressure must be set on
the system; an increase in volume
or, in the event of a cooing-heating
system, the installation of another
expansion vessel may be necessary.
short-termshort-termshort-term
+
short-termshort-term
short-term
...
short-term
The following values must them be input:
0% Ethylene
glycol
(Factory setting)
Value A 014°C0°C-4°C-13°C-17°C
Compensators
Compensators are used to connect
lines to the unit to prevent
vibration in the system from been
transmitting to other parts of the
system.
10 % Ethylene
glycol
(Password)
20 % Ethylene
glycol
(Password)
30 % Ethylene
glycol
(Password)
35 % Ethylene
glycol
(Password)
Safety valve
Safety valves limit excess operating
pressure due to over heating or
overfilling of the operating medium. The valve outlet requires
unobstructed drainage into a drain
pipe. Applicable local disposal
regulations must be observed if
Compensators
Ball valveCompensator
glycol is used.
The standard scope of delivery for
the unit includes a safety valve; an
additional valve may be necessary.
Structural
fastening
unit connection
24
Air bleeding valves
The unit has manual air bleeding
valves. The unit can be vented
separately after the system
has been filled. Automatic air
bleeder must also be installed at
the highest point in the collective
lines.
Shut-off valves
As a rule, in such systems, shutoff valves (ball valve) with open
passages should be used. For the
purpose of servicing, medium
intake and medium outlet must be
equipped with shut-off valves (if
necessary safety valves).
! CAUTION
Glycol suitable valves are
necessary when using medium
that contain glycol.
Fill and drain connection
A connection should be provided
in an area safe from frost for the
draining of the pipe lines (especially if water is used as a medium).
Applicable local disposal regulations must be observed if glycol is
used.
Dirt trap
A self cleaning dirt trap must be
installed on the intake side of the
unit. The mesh size should not be
less than 10 mesh/cm². Shutoff
valves should be installed on both
sides of the dirt trap.
! CAUTION
Improperly installed or missing
dirt traps can cause fouling of
the plate heat exchanger.
External medium storage tank
If, for example, the necessary capacity of the appliance indoor unit
is significantly less than the cooling
capacity of the chiller, an increase
in the medium content is recommended. Either the medium lines
can be oversized or an additional
storage tank installed.
A storage tank should, as a rule,
be provided if the minimum medium volume of the system is not
reached.
! CAUTION
A minimum medium volume in
the system may mot fall below
3.5l/kW per power stage.
Condensate draining and
ensured discharge
Condensate connection
If the temperature falls below the
dew point, condensation will form
on the finned condenser during
heating operation.
A condensate drip pan should be
installed on the underside of the
unit to drain any condensate.
■
The condensate drain pipe to
be installed on-site must be installed with a in cline of at least
2 % for good drainage.
If necessary, fit vapour density
insulation.
■
When operating the system at
outdoor temperatures below
4 °C, care must be taken that
the condensate line is frost
protected. The lower part of the
housing and condensate pan
are to be kept frost free in order
to ensure permanent drainage
of the condensate.
If necessary, fit supplementary
pipe heating.
■
After completed installation,
check that the condensate
drainage is unobstructed and
ensure that the line is leak tight.
Condensate drain
25
+
+
+
+
REMKO RVS...H (INOX)
Electrical connection
Ensured discharge in the event of
leakage
Local regulations or environmental laws, for example the German
Water Resource Law (WHG), can
require suitable precautions to protect against uncontrolled draining
in case of leakage to provide for
safe disposal of escaping refrigerator oil or hazardous media.
Condensate drain
+
+
Condensation tray
Condensate drain
NOTE
Cumulative ice formation in the
lower part of the finned heated
exchanger can develop under
certain weather conditions.
To prevent this ice formation,
we recommend keeping the
heat exchanger frost free on
both sides using a heating band
for example.
! CAUTION
All electrical installation work
is to be carried out only by
authorised personnel. Disconnect the power supply when
connecting the electrical
terminals.
■
The power supply is connected
at the system; a control cable to
the interior unit is not
necessary.
■
A three phase main switch,
must be installed in the power
supply, outside of the unit.
■
Electric connections must be
installed permanently in
accordance with the
regulations.
■
Check all terminals for stability.
■
The power supply line must be
adequately insulated on-site
and the voltage drop may not
exceed permissible values.
■
Make sure that the power supply and current Is adequate for
the operation of the system and
any other equipment in use in
the area.
■
Before installation it should be
determined weather the connection to the system are the
correct specifications for the
system’s rated requirements.
■
The system must be well earthed.
If necessary more than once.
The earth cable(s) are to be insulated.
■
When installing the units on
flat roofs, a lightning conductor
must be installed.
■
All electrical connections such
as network supply, cable remote
control etc. must be from the
main control cabinet.
■
The cables to be installed are to
be fed into the switch cabinet
through the cable conduits.
■
An electrician must determine
the sizing and selection of the
fuses and the size of cable to
be used. Note that starting the
current may be up to 10 times
nominal current.
The following electrical connections must be provided:
■
Connection to the power supply.
■
Possible enabling contact for
the unit off or stand by.
■
Possible operating mode contact for cooling or heating mode
(units with HP-function).
■
Connection for cabled remote
controll (accessories).
26
7 Terminal connections
Power supply
The system requires a fixed three
phase alternating current connection. The mains connection is to be
connected to the L1, L2, L3, N and
PE terminals.
! CAUTION
Check all plugged and
clamped terminals to confirm
they are seated correctly and
make a permanent contact.
Tighten as required.
External enable contact ID5
Power on/ Stand-By
In addition to being operated with
the central controller or the cabled
remote controller, the system can
be switched on (normal mode) and
off (Stand-By) over an external
enabling contact.
For this the controller must be programmed (Figure 8) (see section
“Configuration external enabling
contact).
Proceed as follows to connect
power
1. Open the control panel and
switch cabinet cover by
removing the screws, lift off
cover.
2. Feed the dead cable through
the conduits into the switching
cabinet and clamp the cable to
the relive strain
This contact is used for example
for Stand-by at night or activated/
deactivated from a building management system (BMS).
3. Then connect the cable in accordance with the connection
diagram.
As manufactured in the factory, the system is switched on and off manually using the key-pads on the central controller or cable remote control.
If an external switch on and off is required the parameters must
be changed and the switch connected between terminals 28/29 and
29/30.
factory setting: H 07 = 00 (manual switching on the controller)
possible change: H 07 = 01 (external switching)
After switching, with
- shortened terminals 28/29 and 29/30, the system is switched on.
- opened terminals 28/29 and 29/30, the system is switched off.
Operating using the unit´s controller is no longer possible once the
parameters have been changed.
short-termshort-termshort-term
short-termshort-term
short-term
...
...
short-term
27
REMKO RVS...H (INOX)
External operating contact ID2
Cooling mode/heating mode
(units with HP-function)
By default, the unit is programmed
to be operated using the controller
or cable remote control. If a switch
from cooling or heating mode is
to be carried out over an external
potential free contact (intake),
(Page 27, Figure 8), the H 06
parameter must be reprogrammed
(programming see section "Configuration external enable").
Only the external enable cooling/
heating mode can be used after
switching.
General fault signal ALARM
(Standard equipment)
The connection of a potential free
general fault signal, for example, for
signalling or for further processing to
a building control system is possible
as standard equipment. Use the respective connection diagram for this
purpose and pay attention to the
maximum contact loads (Page 27, Figure 8).
Winter fan speed controller
by pressure TR1/A2
(Standard equipment)
This provides reliable functioning of the unit in cooling mode
when ambient temperatures are
low. The TR 1 pressure transducer
in the cooling cycle relays current
values to the controller. This then,
together with the A2 fan speed
controller, controls fan speeds.
Compressor crank case heater RC1
Compressor (standard equipment)
The heater ensures reliable lubrication of the compressor oil especially when ambient temperatures
are low.
Defrosting heater RF1
(Standard equipment)
The heater provides for continuous
draining of the water from the unit
during defrosting.
Cabled remote control
(Accessories)
The cable remote control is used,
for example, for the querying,
programming or operation of the
unit from a remote location. Use
respective installation instructions
for this purpose.
Main switch
(Accessories)
The mains switch is used for the
voltage side disconnecting the
unit. Use respective installation
instructions for this purpose.
External contact cooling/heating
min. 5 sec.
repeated
28
As manufactured in the factory, operations are carried out manually using
the keys on the controller or cable remote control. If an external operating switch from cooling to heating mode is desired, the switch can be
carried out by means of a parameter change and a potential free contact
at the 30/31 and 31/32 terminals.
factory. setting: H 06 = 00 (manual switching on the controller)
possible change: H 06 = 01 (external switching over contact)
After switching, with
- shortened terminals 30/31 and 31/32, the cooling mode is active.
- opened terminals 30/31 and 31/32, the heating mode is active.
Operating using the controller is no longer possible once the parameters
have been changed.
short-termshort-termshort-term
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short-termshort-term
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Electrical components
Electric components and safety
equipment
Pressure switch cooling cycle HP
and LP
There is a high pressure switch
(HP) on the heat gas side within
the cooling cycle to switch off the
unit in the event of a temperature
increase.
A low pressure switch (LP) on the
suction side or in the compressor
switches off the unit if the
refrigerant charge is too low.
Flow switch FL
The flow monitor measures an
adequately large flow of the medium and switches off the unit if the
minimum flow volume is to low or if
the flow volume is too high.
Thermal contacts
Condenser fans TX1 / TX2
The condenser fan's thermal contacts prevent overheating of the
motors.
Motor overload switch
compressor FL
The protection switch limits the
compressor's operating current.
Temperature controller TS for
heater TR
The controller regulates the heater
to ensure continuous condensate
draining at low ambient temperatures.
Pressure transducer cooling cycle
TR 1
The trancuducer is located in
the cooling cycle’s heat gas side.
It serves to monitor the current
condenser pressure and regulate
the fan over the central fan speed
control board.
Reversing valve cooling cycle EV
The four-wax-reversing valve
makes the switching of the cooling
cycle possible to change from cooling mode to heating mode.
The phase sequence relay controls
the phase sequence of the power
supply. The relay will not be activated if the sequence is incorrect.
Fan speed control board A2
To keep noise level to minimum
the fans speed can be regulated by
adjusting the current.
The controller μC2SE calculates the
temperature in the condenser over
the TR 1 tranceducer.
The target value is then adjusted
over the fan speed controll board
A2.
Probe medium intake B 1
The probe is located at the unit’s
medium intake (system return). It
serves to monitor the medium temperature to regulate the target value.
Probe medium output B 2
The probe is located at the unit’s
medium output (system supply).
It serves to monitor the medium
temperature and regulate the antifreeze protection temperature.
Probe Condenser B 3
The probe is located at the unit’s
condenser. It serves to monitor the
condenser’s temperature.
A1 Controller
A2 Fan speed controller
B1 Probe medium intake
B2 Probe medium outlet
B3 Probe condenser
EV Reverse flow valve
FCR Phase sequence relay
FL Flow switch
FR Motor overload protection switch
HP High pressure switch
LP Low pressure switch
M1 Compressor
M2 Circulation pump
M3 Condenser fan 1
M4 Condenser fan 2
RC1 Compressor crank case heater
RF1 Defrost heater
TA1 Transformer 230/24V
TR1 Pressure transducer
TS Temperature controller
TX1 Thermal contact fan 1
TX2 Thermal contact fan 2
30
Probe intake
Probe output
Probe condenser
Four-way-reverseing
alve
High pressure switch
Low pressure switch
24V
Flow switch
Enable contact
potential free
potential free
Operating contact C-H
potential free
General fault signal
RVS 60H RVS 75H
K 17.5kW7.5kW
FR8A8A
QM 120A-D120A-D1
RVS 100H / RVS 150H
Compressor
RVS 100H / RVS 150H
Controller
Circulation pump
Condenser
fan 1
Condenser
fan 2
Pressure transducer
Crank case
heater
Defrost
heater
Legend:
A1 Controller
A2 Fan speed controller
B1 Probe medium intake
B2 Probe medium outlet
B3 Probe condenser
EV Reverse flow valve
FCR Phase sequence relay
FL Flow switch
FR Motor overload protection switch
HP High pressure switch
LP Low pressure switch
M1 Compressor
M2 Circulation pump
M3 Condenser fan 1
M4 Condenser fan 2
RC1 Compressor crank case heater
RF1 Defrost heater
TA1 Transformer 230/24V
TR1 Pressure transducer
TS Temperature controller
TX1 Thermal contact fan 1
TX2 Thermal contact fan 2
Colour code:
BU blue
BR brown
BK black
GR Green
RT red
OR orange
WT white
YE yellow
YE/GR yellow/green
Probe intake
Probe output
Probe condenser
Four-way-reverseing
alve
High pressure switch
Low pressure switch
24V
Flow switch
Enable contact
RVS 100H RVS 150H
potential free
potential free
K 17.5kW7.5kW
potential free
FR13A18A
General fault signal
Operating contact C-H
QM 120A-D320A-D3
31
REMKO RVS...H (INOX)
Before
Leak testing
Commissioning
Leak testing is carried out after all
the pipes and fittings have been
connected.
1. Flush the system twice with
water.
2. Clean the sieve insert of the dirt
trap provided by customer.
3. Fill the system with water again
and vent the system at the
manual air bleeder.
4. Adjust the test pressure to
250 kPa (2.5 bar).
5. Check the connections after a period of 24 hrs for leaking water.
If water is visible, the connection
has not been secured.
Tighten the connection or make a
new connection.
6. After a successful leak test, remove the excess pressure from
the medium line. If a waterglycol mixture is used, adjust
the non circulating pressure as
required.
9 Unit preliminary pressure
Filling the system
The system is filled on-site at the
filling and draining connection.
Frost protection for the medium
If a water-glycol mixture is used,
it is to be pre-mixed before being
put in the system. The desired concentration is then to be checked.
Unit preliminary pressure for the
medium
The preliminary pressure of the
medium (without operation of the
circulation pump) varies within
the system. From the highest
point, the pressure increases by
approx.10 kPa (0.1bar) per metre
difference in altitude (geodetic altitude). The value measured at the
highest point is identified as the
none circulating pressure.
The position of the unit in the
system is decisive in the calculation
of the unit’s preliminary pressure
(pressure of the manometer on
the unit installed by the customer).
The pressure is to be set to at least
70 kPa (0.7 bar).
■
If the unit is positioned at the
lowest point in the system, the
unit preliminary pressure
(=non-circulating pressure +
geodetic system altitude) must
be set to at least 70 kPa (0.7
bar) + 10 kPa (0.1bar) x geodetic altitude.
■
If the unit is positioned at the
highest point in the system, the
unit preliminary pressure
(=non-circulating pressure)
must be set to at least 70 kPa
(0.7 bar).
Please note that the system’s
pressure at the lowest point
is increased by the geodetic
altitude!
Bleeding the system
■
Air may still be in the pipe
lines after the leak test. This is
carried during operation of the
circulation pump to the next
highest point or to the cold
water drain. Here it is necessary
to vent again (Figure 10).
■
Also bleed the pump if
necessary.
■
The non-circulating pressure
must then be adjusted to the
required system pressure.
32
Unit preliminary
pressure
Non-circulating
pressure
10 Manual bleeding
Unit preliminary
pressure
Geodetic
System altitude
Manual
bleeder
Expansion vessel
Additional checks
NOTE
■
The preliminary pressure for the
diaphragm expansion vessel must be
adjusted individually to the system
layout, the volume of the medium
and the installed position.
■
If necessary, change the installed.
For this, the manufacturer’s au-
thorisation is required.
■ For the cooling and heating
systems, the volume and the
preliminary pressure for the
diaphragm expansion vessel must
be adjusted to both operating
modes; integrate an additional
diaphragm expansion vessel in
the system if necessary.
Valve for hydronic balancing
■
The pressure in the pipe system
of the individual cold water
outlets can be adjusted at the
valves.
Safety valve
■
The safety valves must be
checked that they are working
correctly.
■
The drain line for the valves
are to be checked that they are
clear and leak tight.
General checks
■
Checking that minimum clearances are correct.
■
Check the outlet possibility of
the cooling and heating, for
the cold and hot water outlet
(indoor unit).
Electrical checks
■
Checking electrical connections
for correct phase sequencing.
■
Check that the operating
contact cooling mode/heating
mode works (option).
■
Check that the enabling contact
on / stand-by works (option).
Checking the medium cycle
■
Check the circulating pump for
free flow.
■
Check that all valves are open.
■
Check the medium cycle.
■
Set the circulation pump’s flow
volume.
Checking the cooling cycle
The systems are equipped
with a phase sequence relay
which prevents the operation
of the controller if the phrase
sequence for the electric mains
connection is wrong.
The phrase sequence must be
corrected if the controller is
not activated during
commissioning.
NOTE
During manual bleeding, escaped glycol mixtures must be
disposed of separately.
■
If necessary, change the in-
stalled position.
For this, the manufacturer’s
authorisation is required.
■
Checking the cooling cycle for
adequate oil/coolant.
■
Check the cooling cycle for
leaks.
33
REMKO RVS...H (INOX)
Commissioning
NOTE
Commissioning should only be
Carried out by trained personnel and after certification to be
documented.
■
Observe the manuals for the
system and all other components when commissioning the
entire system.
Working test for cooling
mode
1. Switch the power supply on.
2. Open all shut-off valves if
necessary.
3. Switch the system and the corresponding circulating pump on
to the highest stage.
The outlet temperature must lie
between +4 and +18°C.
4. Switch the unit on and select
the cooling operating mode.
If the return temperature is
warmer than the setting, the
compressor display will blink
and the compressor will begin
to work after approx. 3 to 5
minutes.
5. Please note that the supply
temperature at the nominal
medium flow lies approx. 5 K
below the return temperature.
- If the supply temperature falls
below the factory setting of
4°C, a fault signal is triggers. If
this is the case, a higher target
temperature must be selected.
If the spread is too great or too
small, the medium flow must
be checked.
- The circulation pump starts
and the controller checks the
medium flow over the flow
switch.
If the flow is insufficient, a
fault shut-down will be carried
out and the cooling cycle will
not work.
6. Measure and record all the
required values in the commissioning report and check the
safety functions.
7. Check the system control using
the functions described in the
"Operation" chapter.
Working test for heating
mode
(only units with HP-function)
1. Switch the power supply on.
2. Open all shut-off valves if necessary.
3. Switch the chilled water system
and the corresponding circulating pump to the highest stage.
The outlet temperature must lie
between +35 and +45°C.
4. Switch the unit on and select
the heating operating mode.
If the return temperature is
colder than the setting, the
compressor display will blink
and the compressor will begin
to work after approx. 3 minutes.
5. Please note that the supply
temperature at the nominal
medium flow lies approx. 5 K
above the intake temperature.
- The circulation pump starts
and the controller checks the
medium flow over the flow
switch.
If the flow is insufficient, a
fault shut-down will be carried
out and the cooling cycle will
not work.
6. Measure and record all the
required values in the commissioning report and check the
safety functions.
7. Check the system control using
the functions described in the
"Operation" chapter.
Final tasks
■
Reassemble all disassembled
parts.
■
Familiarise the operator with
the system.
NOTE
The system is delivered from
the factory with all parameters
set.
If during commissioning it is
necessary to change a parameter it can only be done by
authorised personnel.
! CAUTION
During the initialization of the
controller (after starting the
unit and displaying the software version, e.g. “H 99”) do
not push the key-pad “Prg”
to avoid reprogramming the
controller!
34
Unit dimensions
RVS 60H
430
1115
Outlet 3/4“
160 55
Intake 3/4“
470
RVS 75H
430
470
650
850
760175
1115
760175
625
440
Intake 1“
825
440
3565
560
490
95
Connection
Safty valve 1/2“
Outlet 1“
710
550
95
Connection
Safty valve 3/4“
RVS 100H / RVS 150H
1220
440
40
275
Outlet 1“
Intake 1“
890
550
95
Connection
Safty valve 3/4“
All values in mm
430
1115
1245
470
760175
Vibration dampers are sized in accordance with the different unit sizes, they are available as accessories. Their dimensions
must be added to the dimensions listed above.
We reserve the right to modify the dimensions and constructional design as part of the ongoing technical development process.
35
REMKO RVS...H (INOX)
Exploded view RVS 60H / RVS 75H
4
14
29
5
6
12
17
15
3
8
7
22
20
21
23
24
26
25
27
10
28
16
11
9
2
13
19
18
1
We reserve the right to modify the dimensions and constructional design as part of the ongoing technical development process.
36
Spare parts list
No.Designation
from series RAL / INOX1051 C 5001 / 1058 C 50011053 D 6001 / 1052 D 5001
1Operating panel, compressor area RAL11113601111361
1Operating panel, compressor area INOX11113631111364
Ice forms on the fins in heating mode as a consequence of the heat
absorption. The amount of ice depends on the percentage of
humidity in the ambient air. Under certain cycles and
temperature conditions, defrosting cycles are run through in which
no heat capacity can be generated. The following reduction factors for the defrosting cycles must be taken into account even when
planning the layout:
RVS 60H to RVS 150H: Air intake temperature TK 35°C, medium intake 12 °C, medium outlet 7 °C, 0% glycol concentration, hemisphere rating under
Free field conditions
Sound pressure level Lp in dB(A), distance 1m
Sound pressure level Lp in dB(A), distance 10m
41
REMKO RVS...H (INOX)
Technical data
Series
Operating mode
Nominal cooling capacity
Nominal heating capacity
Energy efficiency ratio cooling EER
1)
2)
1)
Coefficient of performance heating COP
RVS
60 H
heat pump function for cooling and heating
kW5,767,2310,2914,65
kW6,488,2511,6017,20
3,032,732,602,73
2)
3,003,002,863,20
RVS
75 H
RVS
100 H
Air-cooled compact chiller with
RVS
150 H
Setting range medium intake temp. cooling°C+10 to +28
Setting range medium outlet temp. heating°C+15 to +45
Ambient temperature range - cooling°C-15 to +45
Ambient temperature range - heating°C-10 to +20
Cooling cycles, numbers1
Capacity stages%0 / 100
RefrigerantR 410A
4)
Max. operating pressure, refrigerantkPa2100 / 4400
Refrigerant, basic charge per cooling cyclekg1,432,312,393,82
Compressor, number / type1 / Rotary piston1 / Scroll
Air flow rate, max.m³/h4500500065007000
Sound pressure level
3)
dB(A)42,343,145,545,4
Sound power leveldB(A)73,374,176,576,4
Power supplyV / Hz230/1~/50400/3~/50
Protection classIP24
Elec. power consumption, max.kW2,493,184,846,69
Elec. current consumption, max.A11,3815,268,3511,20
heating
1)
kW1,902,653,965,37
1)
2)
A8,8912,887,099,11
kW2,162,754,055,40
2)
A9,8413,157,229,24
Elec. nominal power consumption, cooling
Elec. nominal current consumption cooling
Elec. nominal power consumption, heating
Elec. nominal current consumption
Elec. starting current, LRAA33416167
Operating mediummax. 35% ethylene glycol; max. 35% propylene glycol
Operating limits, medium°C+4 to +50
Max. operating pressure, mediumkPa300
Nominal medium flow, C/Hm³/h0,99 / 1,111,24 / 1,421,77 / 1,992,52 / 2,96
Minimum medium flowm³/h0,701,001,403,40
Maximum medium flowm³/h1,502,202,904,30
Nominal pump pressure, coolingkPa4568126104
Nominal pressure loss, internal coolingkPa16172937
External pressure, available coolingkPa29419767
Diaphragm expansion vessel, volumel0,50,50,50,5
Medium connection, intakeInches3/4 internal1 internal
Medium connection, outletInches3/4 internal1 internal
Medium content, pipingsl1,21,82,62,9
Storage tankl15,023,032,032,0
Dimensions - heightmm65085012451245
widthmm1115111511151115
depthmm430430430430
Weightkg95,8107,1146,3158,2
Operating weight, approx.kg112,0131,9180,9193,1
Standard coloursimilar to RAL 9010 / INOX
Serial number INOX1058...1052...1054...1056...
EDP no. INOX1670061167007616701011670151
Serial number RAL 90101051...1053...1055...1057...
EDP no. RAL1670060167007516701001670150
1) Air intake temperature TK 35°C, medium intake 12 °C, medium outlet 7 °C, 0% glycol concentration
2) Air intake temperature TK 7°C, medium intake 45 °C, medium outlet 50 °C, 0% glycol concentration
3) Distance 10 m free field conditions
4) Contains greenhouse gas according to Kyoto protocol
42
43
REMKO INTERNATIONAL
… and also right in your neighbourhood!
Make use of our experience and advice
Consultation
Thanks to intensive training, our
consultants are always completely up-to-date in terms of
technical knowledge. This has
given us the reputation of being
more than just an excellent, reliable supplier:
REMKO, a partner helping you
find solutions to your problems.
Distribution
REMKO offers not just a well
established sales network both
nationally and internationally, but
also has exceptionally highlyqualified sales specialists.
REMKO field staff are more than
just sales representatives: above
all, they must act as advisers to
our customers in air conditioning
and heating technology.
REMKO GmbH & Co. KG
Air conditioning and heating technology
Im Seelenkamp 12 D-32791 Lage
Postfach 1827 D-32777 Lage
Telephone +49 5232 6 06-0
Telefax +49 52 32 6 06-260
E-mail info@remko.de
Website www.remko.de
Hotline
Air conditioning and
heating technology
+49 5232 606-0
Export
+49 5232 606-130
Customer Service
Our equipment operates precisely and reliably. However, in
the event of a fault, REMKO
customer service is quickly at
the scene. Our comprehensive
network of experienced dealers
always guarantees quick and
reliable service.
We reserve the right to make technical changes, and provide no guarantee as to the accuracy of this data!
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