2.1 General ........................................................................................................................................................................................... 5
2.4 PC Interface .................................................................................................................................................................................... 7
2.5 Test programs ................................................................................................................................................................................. 7
4.2 Installation space .......................................................................................................................................................................... 13
5.5 Connecting gas ............................................................................................................................................................................. 22
5.6 Flue and air supply duct ................................................................................................................................................................ 23
5.7 Outlet systems .............................................................................................................................................................................. 24
5.8 Flue material ................................................................................................................................................................................. 25
5.9 Connection to a flue system without air inlet (B23, B33) ............................................................................................................. 27
5.10 Connection to a sealed flue system. ............................................................................................................................................. 28
6 Commissioning the unit and the Installation 36
6.1 Filling and air purge of unit and installation................................................................................................................................... 36
6.2 Commissioning the unit ................................................................................................................................................................. 37
6.3 Switching off the unit ..................................................................................................................................................................... 38
7 Setting and adjustment 39
7.1 Direct via operating panel ............................................................................................................................................................. 39
7.2 Parameter settings via the service code ....................................................................................................................................... 40
7.3 Setting maximum CH power ......................................................................................................................................................... 42
7.6 Conversion to different type of gas ............................................................................................................................................... 43
8.1 Show last malfunction ................................................................................................................................................................... 46
8.3 Other faults ................................................................................................................................................................................... 47
9 Maintenance 50
10 Technical specifications 52
10.1 Technical Product Fiche in accordance to CELEX-32013R0811 ................................................................................................. 53
All rights reserved.
The information provided applies to the product in its standard version. Daikin Europe NV can therefore not be held liable for any damages arising from any
specifications of the product which deviate from the standard version. The available information has been compiled with the greatest possible care, but Daikin Europe
NV can not be held liable for any mistakes in the information, or for any consequences thereof. Daikin Europe NV cannot be held liable for any damage arising from
work carried out by third parties.
Subject to change.
Daikin Europe NV 3
These installation instructions
Description
To be referred to as
High Efficiency
HR
Daikin EKOMB22AAV1H, EKOMB28AAV1H,
EKOMB33AAV1H
Unit
Unit with piping for central heating
CH installation
System with pipes for domestic hot water
DHW installation
CAUTION
Procedures which - if they are not carried out with the
necessary care - may cause damage to the product, the
surroundings, the environment or injury.
IMPORTANT
Procedures and/or instructions which, if they are not
followed, will have a negative effect on the functioning of the
unit.
With these installation instructions, you can safely assemble, install and maintain the
unit. Carefully follow the instructions.
In case of any doubt, please contact the manufacturer.
Keep the installation instructions near the unit.
Abbreviations and terms used
Symbols
The following symbols are used in this manual:
Service and technical support for the installer
For information about specific settings, installation, maintenance and repair work, as
an installer, please contact Your local Daikin dealer.
Identification of the product
You will find the unit details on the type plate on the bottom of the unit.
•Unit type
•Bar code with article number and serial number
•Options
Daikin Europe NV4
1 SAFETY INSTRUCTIONS
IMPORTANT
This product is intended for domestic use only.
The manufacturer Daikin Europe NV accepts no liability for damage or injury caused
by the failure to (strictly) observe the safety instructions, or negligence during the
installation of the Daikin EKOMB*AAV1H wall-mounted gas boiler and any associated
accessories.
This device is not intended for use by people (including children) with reduced
physical, sensory or mental abilities, or lack of experience and knowledge, unless they
are given supervision or instructions on the use of the device by a person who is
responsible for their safety.
The entire installation must meet the applicable local technical and (safety)
instructions, for the gas installation, the electrical installation, smoke extraction
installation, drinking water installation, and central heating installation.
2 UNIT DESCRIPTION
2.1 General
The Daikin EKOMB*AAV1HAAV1H wall-mounted gas boiler is a closed unit. The unit
is intended to provide heat to the water of a CH installation and the domestic hot water
installation.
The air supply and combustion gas outlet can be connected to the unit by means of
two separate pipes. A concentric connection can be supplied upon demand. The unit
was tested in combination with the combi feedthrough, but the unit may also be
connected to combi feedthroughs which meet the universal test standards for combi
feedthroughs.
The unit can be connected to an assembly bracket if required, a frame with top
connection, and various installation sets. These are provided separately.
The Daikin EKOMB*AAV1H wall-mounted gas boilers have the CE quality mark,
electrical protection class IP44.
It is possible to use the unit solely for warm water, or solely for heating. The system
which is not in use, does not need to be connected (see par. 7.2).
The unit is delivered for natural gas (G20) as a standard. On request, the unit can also
be provided for propane (G31).
2.2 Functioning
The Daikin EKOMB*AAV1H wall-mounted gas boiler is a modulating high-efficiency
boiler. This means that the power is modulated to suit the required heat demand. In the
aluminum heat exchanger two separate copper circuits are integrated.
The separate circuits for CH and warm water allow the heating and warm water supply
to function independently. The hot water supply takes precedence over the heating.
Both cannot work at the same time.
The unit is fitted with an electronic boiler controller machine, which operates the fan at
every heat requirement of the heating or the warm water supply, opens the gas valve,
ignites the boiler controller, and continuously monitors and regulates the flame,
depending on the requested power.
Daikin Europe NV 5
2.3Operating modes
The operating mode of the unit is indicated by means of a code on the service display of
the operating panel.
- Off
The unit is not in operation, but is connected to the electricity supply. No response is
given to requests for domestic hot water or CH water. The unit frost protection is active.
This means that the pump will start running and the exchanger will be heated up if the
temperature of the water in the system drops too far.
If the frost protection intervenes, the code 7 will be displayed (heating up exchanger).
The pressure in the CH installation can also be read from the temperature display in this
operating mode (in bar).
Standby
The LED at the key is lit and possibly one of the LEDs of the tap comfort function.
The unit is ready to respond to a request for CH or tap water.
Post-running CH
After the end of the CH operation, the pump will run for a specified time. The post-pumping
time is set to the value in par. 7.2 in its factory settings. This setting can be changed. In
addition to this, the pump will run automatically 1 time per 24 hours, for 10 seconds, in order
to prevent it from getting stuck. This automatic switching on of the pump takes place at the
time of the last heating request. In order to change this, the room thermostat needs to be set
higher for a moment, at the required time of day.
1 Requested temperature reached
The boiler controller may temporarily block the heat request. The boiler controller will
then be stopped. The block occurs because the required temperature has been
reached. When the temperature has sufficiently decreased, the block will be lifted.
2 Self test
Once every 24 hours, the boiler controller tests the connected sensors. During the test,
the controller will not carry out any other tasks.
3 Ventilating
When the unit is started, the fan is first brought up to its correct start rpm. When the
start rpm is reached, the boiler controller will be ignited. Code 3 is also visible when
there is post-fanning after the boiler controller is stopped.
4 Igniting
When the fan has reached the start rpm, the boiler controller will be ignited by means of
electrical sparks. During the ignition, code 4 is displayed. If the boiler controller does
not ignite, a new attempt will be made after approximately 15 seconds. If after 4 ignition
attempts, the boiler controller has still not been ignited, the controller will go into downtime.
5 CH operation
An on/off thermostat, an OpenTherm thermostat, an outdoor sensor or a combination
thereof can be connected to the controller (see par. 10.1).
When there is a heat request from a thermostat, after the fan has started running (code 3),
the ignition will take place (code 4 ) followed by the CH operating mode (code 5 ).
During CH operating, the rpm of the fan and therefore the power of the unit can be
adjusted so the temperature of the CH water to the required CH supply temperature can
be controlled. If an on/off thermostat has been connected, this will be the CH supply
temperature set on the display. In case of an OpenTherm thermostat, the required CH
supply temperature is determined by the thermostat. In case of an outdoor sensor, the
required CH supply temperature is determined by the fuel line programmed in the boiler
controller. For the last two situations, the temperature set on the display is the
maximum.
During CH operation, the requested CH supply temperature will be displayed on the
operating panel.
The CH supply temperature can be set between 30 and 90°C (see par. 7.1). Caution:
for a low temperature system, a lower maximum setting may be required than the
standard setting of 80°C.
You can press the service button during CH operation to read the actual CH supply
temperature.
If the tap comfort function is switched on (see code 7 ), an OpenTherm heating
request of less than 40 degrees will be generated.
Daikin Europe NV6
Description of program
Button combination
Display reading
Burner on with minimum DHW
capacity (see parameter d par. 7.2)
and
"L"
Burner on with set maximum CH
power (see parameter 3 par. 7.2)
and (1x)
"h"
Burner on with maximum DHW power
(see parameter 3 par. 7.2)
and (2x)
"H"
Switching off test program
and
Current operation
situation
6 Tap water operation
The hot water supply takes precedence over the heating. If the flow switch senses a
request for more than 2 l/min of domestic hot water, any CH requests will be
interrupted. After the fan has switched on (code 3 ) and there has been an ignition
(code 4 ), the controller will switch to domestic water operation (code 6 ). During
domestic hot water operation, the rpm of the fan, and therefore the power of the unit, is
controlled by the controller on the basis of the set tap water temperature.
The control system ensures the tap water temperature is correct. The water
temperature can be set between 40°C and 65°C (see par. 7.1). The set tap water
temperature is displayed on the operation panel. The standard setting is 60°C.
You can press the service button during tap water operation to read the actual tap water
temperature.
7 Heating up unit
In order to provide a fast supply of domestic hot water, a so-called tap comfort function
has been installed in the unit. This function keeps the heat exchanger at the right
temperature (this temperature can be set, see par. 7.2). The tap comfort function has
the following settings:
•On: ( LED on) The tap comfort function of the unit is continuously switched on.
The unit always immediately provides warm water.
•Eco: ( LED on) The tap comfort function of the unit is self-learning. The unit will
adjust to the usage pattern of the domestic hot water. This means the heat
exchanger will not be kept warm during the night or during longer absences.
•Off: (Both LEDs off) The heat exchanger is not kept warm which means the supply of
domestic hot water takes a bit of time. If there is no need for fast delivery of domestic
hot water, the tap comfort function can be switched off.
2.4 PC Interface
The boiler controller is provided with an interface for a PC. A PC can be connected by
means of a special dongle, and the associated software. This facility enables you to
follow the behavior of the boiler controller, the unit and the heat installation over a long
period.
2.5 Test programs
There is an option in the boiler controller, to bring the unit into a test status.
Activating a test program, will switch on the unit with a set fan rotations per minute,
without the control functions intervening. The safety functions do remain active.
The test program is ended by pressing and simultaneously.
Test programs
During test mode the following data can be read :
• By pressing the + button continuously in the display the CH water pressure is shown.
• By pressing the - button continuously in the display the ionisation current is shown.
Daikin Europe NV 7
2.5.1Frost protection
• The unit is fitted with frost protection in order to prevent it from
freezing. If the temperature of the heat exchanger drops too low, the
pump will start running until the temperature of the heat exchanger
is sufficiently high. If the frost protection intervenes, code 7 will be
displayed (heating up exchanger).
• If the installation (or a part thereof) can freeze, the coldest place
should be fitted with an (external) frost thermostat on the return pipe.
This must be connected in accordance with the electrical diagram
(see par. 10.2).
Note
When the unit is switched off ( - on the service display), the unit frost protection will
remain active, however a heating request from an (external) frost thermostat will be
ignored.
Daikin Europe NV8
3 MAIN COMPONENTS
A.
CH pump
L.
Air supply (only when using twin pipe flue system)
B.
Gas valve
M.
Flue gas/air inlet concentric adapter
C.
Burner controller (incl. operating panel)
N.
Connection block / terminal strip X4
D.
Sensor S1 (flow)
O.
Condensate drain pan
E.
Sensor S2 (return)
P.
Domestic hot water sensor S3
F.
Fan
Q.
Siphon
G.
Flow sensor
R.
Heat exchanger
H.
Pressure sensor central heating
S.
Operating panel and display
I.
Connection wire 230 V ~ with earthed plug
T.
Ionization / ignition pen
J.
Manual air bleed
U.
Position of data plate
K.
Sight glass
Daikin Europe NV 9
3.1 Accessories
Description
Article numbers
B-pack small
EKFJS*AA
B-pack middle
EKFJM*AA
B-pack large
EKFJL*AA
Valve kit
EKVK4AA
Cover plate
EKCP1AA
Outdoor sensor
EKOSK1AA
3-way valve set
EK3WV1AA
Flue gas adapter Concentric Ø80x125
EKHY090717
Flue gas adapter Parallel 80 mm
EKHY090707
Propane conversion set *KOMB28AAV1H & *KOMB33AAV1H
EKHY075787
Propane conversion set *KOMB22AAV1H
EKPS075867
Daikin Europe NV 10
4 INSTALLATION
Unit with pipes connected downwards:
Unit + wall mounting strip
A =
Supply CH
G ¾” (ext)
B =
Return CH
G ¾” (ext)
C =
Gas
G ½” (int)
D =
Tap water cold
R ½”
E =
Tap water warm
R ½”
F =
Condense outlet
Ø dn25 (flexible)
h=
517mm
EKOMB22AAV1H
577mm
EKOMB28AAV1H
637mm
EKOMB33AAV1H
H=
590mm
EKOMB22AAV1H
650mm
EKOMB28AAV1H
710mm
EKOMB33AAV1H
Z =
Flue gas outlet/air inlet
Ø60/100 (concentric)
4.1Installation measurements
Daikin Europe NV 11
Unit connected to B-pack:
Unit + B-pack
A =
Supply CH
G ¾” (ext)
B =
Return CH
G ¾” (ext)
C =
Gas
G ½” (int)
D =
Tap water cold
R ½”
E =
Tap water warm
R ½”
F =
Condense outlet
Ø dn25 (flexible)
H=
770mm
EKOMB22AAV1H
830mm
EKOMB28AAV1H
890mm
EKOMB33AAV1H
Z =
Flue gas outlet/air inlet
Ø60/100 (concentric)
Daikin Europe NV12
4.2 Installation space
The unit must be installed against a wall with sufficient load bearing capacity.
In case of light wall constructions, there is a risk of resonance noises.
Within 1 meter of the unit, there must be a earthed wall plug.
In order to prevent the condense outlet from freezing, the unit must be installed in
a frost-free room. Preferably ensure there is a space of at least 2 cm next to the
boiler. No free space is required due to danger of singeing.
4.2.1 Installing in kitchen cabinet
The unit can be placed between two kitchen cabinets, or inside a kitchen cabinet.
Make sure there is sufficient ventilation at the bottom and the top.
If the unit is installed inside a cabinet, ventilation openings of at least 50 cm2 are
required.
4.2.2 Removing cover plate and front panel
For various activities on the unit, the cover plate and front panel have to be
removed from the unit, if they were installed. Do this as follows:
• If you are using the cover plate (A), remove it to the front.
• Unscrew both screws (1) behind the display window.
• Pull the bottom of the front panel (2) forwards.
Danger: risk of burning
In case of high leaving water set ponts for space heating (eighter a high fixed set
point or a high weather-dependent set point at low ambient temperatures), the heat
exchanger of the boiler can be very hot, for example 70°C.
Beware that in case of a tapping demand, the water can initially have a higher water
temperature than requested.
In this case, it is recommended to install a thermostatic valve to prevent scalding.
This can be done according to the schematics below.
a=boiler, b=DHW from boiler, c= cold water inlet,
d=shower, e=thermostatic valve (field supply)
Daikin Europe NV13
4.3 Assembly
The boiler can be hung to the wall using :
• the wall suspension strip and a the connection kit EKVK4AA
• a B-pack including an expension vessel and a connection kit.
4.3.1 Assembling suspension strip and assembly bracket
• Make sure the construction of the wall is suitable for hanging the boiler.
• Drill the holes for the suspension strip and the connection kit in the wall
using the template delivered with the boiler.
•Mount the suspension strip and the assembly bracket horizontally on the
wall, using the associated attachment materials.
•Place the filling loop on the connections of the return and cold water nipple
following the connection kit installation instruction
•The boiler can now be placed on the suspension strip simultaniously sliding
the pipes of the boiler into the valves in the assembly bracket.
4.3.2 Assembling B-pack
•Make sure the construction of the wall is suitable for hanging the boiler and
B-pack.
•Drill the holes for the B-pack kit in the wall using the template delivered
with the boiler.
• Mount the B-pack on the wall using the associated attachment materials.
• Place the assembly bracket in the frame as described in the manual
inclued in the B-pack.
•Connect the flexible hose on the expension vessel and the conenction on
the return valve. Make sure the seal rings are placed !
•Place the filling loop on the connections of the return and cold water nipple
following the connection kit installation instruction
•The boiler can now be placed on B-pack simultaniously sliding the pipes of
the boiler into the valves in the assembly bracket
Daikin Europe NV14
4.3.3 Assembling the unit
1. Unpack the unit.
2. Check the content of the packaging, which consists of:
• Unit (A)
• Suspension strip (B)
• Siphon+ flexible hose (C)
• Installation instructions
• Operating instructions
• Warranty card
3. Check the unit for any damage: immediately report damages to the supplier.
4. Install the suspension strip.
5. Check whether the compression rings are positioned straight in the couplings of
the assembly bracket.
6. Position the unit: slide it from top to bottom over the suspension strip (B). Make
sure the pipes slide into the compression fittings simultaneously.
7. Tighten the compression fittings onto the assembly bracket.
The nipples and pipes must not rotate with it!
8. Open the display valve and loosen the two screws on the left and right of the
display, and remove the front panel.
9. Assemble the flexible tube (D) onto the outlet of the siphon.
Fill the siphon with water, and slide it as far as possible on top of the condense
output connector (E) under the unit.
10. Seal flexible tube (D) of the siphon, if possible together with the overflow pipe of
the inlet combination and the overflow valve, to the sewage via open connection
(F).
11. Assemble the air supply and the burning gas outlet (see par.5.6).
12. Assemble the cover and tighten the two screws to the left and the right of the
display, and close the display cover.
4.3.4 Apply cover plate (optional)
Suspend the converted top edge of the cover plate from the washers underneath the
bottom of the unit, and slide the cover plate as far back as possible.
Please note: When installing the boiler in combination with a cover plate, the siphon
will extend underneath the cover plate.
Daikin Europe NV15
5 CONNECTING
If an underfloor heating system is not hydraulically neutral, the underfloor heating
pump may generate unwanted circulation over the boiler. For a good functioning of
the domestic hot water provision, unwanted circulation over the boiler must be
prevented.
Connect an underfloor heating system indirectly hydraulically neutrally or provide the
CH installation with a two-way valve set 230 V ~ (E). If the underfloor heating pump
absorbs heat via the return of the boiler, unwanted circulation can be prevented by
means of a check valve (D).
5.1 Connecting CH installation
1. Rinse the CH installation carefully.
2. Fit the supply pipe (A) and return pipe (B) to the connection set.
3. All pipes must be assembled with no electrical current, in order to prevent shocks
from the pipes.
4. Existing connections may not be rotated, in order to prevent leakages.
The CH installation must be fitted with:
• A filling/draining tap (A) in the return pipe, immediately underneath the unit.
• A draining tap at the lowest point of the installation.
• An overflow valve (B) of 3 bar in the input pipe at a distance of no more than 500 mm
from the unit.
Between the unit and the overflow valve there may be no valve or constriction.
• An expansion vessel in the return pipe (in the B-pack or in the installation).
• A check valve, if there are pipes running up, within close distance of the unit. This
prevents a thermo siphon effect from occurring during tap water operation (a non
spring-operated return valve, must be assembled vertically).
5.1.1 Thermostatic radiator taps
If all radiators are fitted with thermostatic or cable radiator taps, a minimum water
circulation must be safeguarded. See par. 7.4.
5.1.2 Underfloor heating
Underfloor heating distributor with pump
Make sure there is a minimal water circulation. See par. 7.3.
Connection diagram underfloor heating
A. Boiler
B. Pump
C. Thermostatic control valve
D. Spring-operated check valve
E. Electrical valve 230 V ~
F. Radiators
G. Space/clock thermostat
H. Maximum thermostat
Daikin Europe NV16
Underfloor heating distributor without pump
Connect the underfloor heating system (D) and set the maximum CH supply temperature of
the boiler to the design condition. Fit a clamp thermostat (A) onto the supply tube
underneath the boiler. The clamp thermostat with blind cap must be set to a maximum
supply temperature of 55°C.
Assemble the on/off room thermostat (B) and connect it in series with the clamp thermostat
to connector X4 - 6/7 in the unit. See par. 10.1.
In this situation, the pump in the boiler is used to bridge the loss of pressure of the
underfloor heating system. Using the loss of pressure graph par. 7.4, the maximum loss of
pressure of the underfloor heating system can be determined.
Make sure there is a minimal water circulation. See par. 7.3. If required, install a bypass valve (C).
In case of an underfloor heating system without pump, we recommend changing the
following parameter settings:
par. o from 0 to 3.
par. P from 5 to 2.
Parameter 3 must also be set to its minimum level, or the
transmission loss of the property.
Daikin Europe NV17
5.1.3 Dividing CH installation in groups in case of additional heat
sources
Operating principle
If the room thermostat switches off the boiler because another heat source (wood heater,
open fire etc.) heats the room, the other rooms may cool down. This can be resolved by
splitting the CH installation into two zones. The zone with the external heat source (Z2)
can be shut off from the main circuit by means of an electrical shut-off valve. Both zones
are fitted with their own room thermostat.
Please note: "external heat source" regulation may only be applied if no extra external
boiler has to be heated up (installation type 1).
Installation instructions
1. Install the valve in accordance with the connection diagram.
2. Connect the room thermostat of zone 1 to X4 – 6/7.
3. Connect the room thermostat of zone 2 to X4 – 11/12.
4. Change parameter A (see Parameter settings via the service code par. 7.2).
Please note: The room thermostat in zone 1 MUST be an on/off thermostat. The room
thermostat in zone 2 may be an OpenTherm thermostat or an on/off thermostat.
Connection diagram "external heat source" regulation
A. Boiler
B. Electrical shut-off valve 230 V ~
C. Radiators
T1. Room thermostat zone 1
T2. Room thermostat zone 2
Z1. Zone 1
Z2. Zone 2
Daikin Europe NV18
5.2 Connecting DHW installation
1. Rinse the installation carefully.
2. If required, assemble an inlet combination.
3. Assemble the cold (D) and warm water pipe (C) to the connection set.
Comments
• If the unit is only used for warm water supply, the heating function can be
switched off using the service code on the operating panel. The CH installation
does not need to be connected or filled.
• If the unit is switched off during winter, and is disconnected from the electricity
supply, the sanitary water must be drained in order to prevent freezing. To do
so, disconnect the tap water connections underneath the unit.
In case of old installations or domestic hot water circuits which can contain small
particles, install a filter in the domestic hot water circuit.
This pollution could cause a fault during domestic hot water operation.
Resistance graph tap circuit unit
A. EKOMB22AAV1H
B. EKOMB28AAV1H
C. EKOMB33AAV1H
X. Water pipe pressure (Bar)
Y. Flow rate (L/min, tolerance ± 10%)
Daikin Europe NV19
5.3 Connecting electronically
CAUTION
A socket with safety ground must be no further than 1 meter
from the unit.
The socket must be easily accessible.
When installing the unit in a damp space, a fixed connection is
obligatory, by means of an all-pole main switch with a
minimum contact gap of 3 mm.
If the mains cable is damaged or requires replacement for any
other reason, the replacement mains cable must be ordered
from the manufacturer or its representative. In case of any
doubt, contact the manufacturer or its representative.
Temperature regulation
Connector X4
Comments
Room thermostat on/off
6 - 7
-
Modulating thermostat with
comfort function in use
11 - 12
Outdoor temperature
sensor
8 - 9
-
External energy-saving
switch
4 - 5
Set parameter c. to 0
Also see par. 7.2
Frost thermostat
6 - 7
Parallel over room thermostat
1. Remove the plug from the socket, when working on the electrical circuit.
2. If there is a cover plate (A), remove it to the front.
3. Unscrew both screws (1) behind the display window.
4. Slide the bottom of the front panel (2) forwards, and remove it.
5. Pull the boiler controller forward. The boiler controller unit will tip downwards in the
process.
6. Consult par. 10.2 to make the connections.
7. After the required connections have been made, slide the boiler controller back into
the unit and return the cover plate, if you are using one.
8. After making the required connections, connect the unit to the socket with safety
ground.
5.3.1Electrical connections
Daikin Europe NV 20
5.4 Connect room thermostat
5.4.1 Room thermostat on/off
1. Connect the room thermostat (see par. 10.1).
2. If necessary, set the feedback resistance of the room thermostat to 0.1 A. If unsure,
measure the electrical current and set it accordingly.
The maximum resistance of the thermostat pipe and the room thermostat amounts
to a total of 15 Ohm.
5.4.2 Modulating thermostat, Open Therm
The unit is suitable for connecting a modulating room thermostat, in accordance with
the OpenTherm communication protocol.
The most important function of the modulating room thermostat is to calculate the input
temperature at a required room temperature, in order to make optimal use of the
modulating. At every heating request, the required input temperature is shown on the
display of the unit.
Connect the modulating thermostat (see par.10.1).
If you want to use the tap water on/off switch function of the OpenTherm thermostat, the
tap water comfort function must be set to eco or on.
For more information, consult the manual of the room thermostat.
5.4.3 Modulating room thermostat, wireless
The EKOMB*AAV1H CH boiler is suitable to communicate wirelessly without
sending/receiving module with the Honeywell room thermostats T87RF1003 Round RF,
DTS92 and CMS927. The CH boiler and the room thermostat must be appointed to
each other:
• Press the reset button of the unit for approximately 5 seconds in order to get to the
RF-
room thermostat menu.
• One of the following codes will be shown on the display of the unit:
1. rF and L / - : the display above the button shows an L alternated by a –
red led: flashing
The CH boiler has not been appointed. A unit in this operating status, can be
linked by using the method of the appropriate room thermostat.
The method of appointment depends on the type of room thermostat and is
described in the installation and operating instructions of the wireless room
thermostat.
2. rF and L / 1 : the display above the button shows an L alternated by a 1
red led : off
The CH boiler has already been appointed. There is already an existing link
with an RF room thermostat. In order to allow a new link to be made, the
existing link will have to be removed.
See: Undo the appointment of an RF room thermostat to the CH boiler.
• Press the reset button to leave the RF room thermostat menu or wait for 1 minute.
Testing the connection between the unit and the RF room thermostat
1. Press the reset button of the unit for approximately 5 seconds to access
the RF room thermostat menu of the boiler controller.
2. Press the service button 1x. On the display above the button, a t
will be shown.
3. Set the room thermostat to the test mode (see the installation and operating
instructions of the room thermostat).
4. The red led above the reset button will flash if the appointment has
been carried out correctly.
5. Press the reset button of the unit to exit the RF room thermostat menu of
the boiler controller. You will automatically exit the test mode 1 minute after
the last test message of the RF room thermostat has been received.
Daikin Europe NV21
Undo the appointment of an RF room thermostat to the CH boiler.
• Press the reset button of the unit for approximately 5 seconds to
5.4.4 Outdoor temperature sensor
The unit is provided with a connection for an outdoor temperature sensor. The
outdoor temperature sensor should be used in combination with an on/off room
thermostat.
In principle, any on/off room thermostat can be combined with an outdoor sensor.
Upon request of the room thermostat, the boiler will provide heat until the maximum
set temperature in the boiler has been reached. This maximum set temperature is
automatically regulated via the outdoor sensor, in accordance with the set fuel line in
the boiler.
Connect the room outdoor sensor (see par. 10.1).
For the fuel line setting, see the weather dependent regulation (see par. 7.5).
access the RF room thermostat menu of the CH boiler.
•Press the service button 2x. On the display above the button, a C
will be shown.
•Press the reset button of the unit again to remove the existing
appointments. The display of the unit will show rF again, with a flashing
L / - . If required, an RF room thermostat can be appointed to the unit
again.
•Press the reset button of the unit to leave the RF room thermostat
menu or wait for 1 minute.
5.5 Connecting gas
1. Fit the gas valve directly on the 1/2" gas connection of the connection set using
appropriate seal
2. .Place a gas sieve in the connection for the unit if the gas may be
contaminated.
3. Connect the gas pipe in the gas valve using appropriate seal..
4. Check the gas carrying parts for leakages at a pressure of up to 50 mbar.
5. The gas pipe should be fitted pressure free.
Daikin Europe NV22
5.6 Flue and air supply duct
For the installation of the flue and air supply duct material, see the
manual included with the materials. Contact the
manufacturer of the relevant flue and air supply duct materials for
extensive technical information and specific
assembly instructions.
Make sure that the socket connections of the flue and air supply duct
materials are correctly sealed.
Improper fastening of the flue and the air supply duct
can lead to hazardous situations or result in personal injury.
Check all flue components for tightness.
Don not use screws or parkers to mount the flue system as leakage can
occur.
Do not use any sort of grease when mounting the pipe system.
Use water instead. The sealing rubbers can be negatively affected when
grease is applied.
Do not mix any components, materials or ways of coupling from
different manufacturers.
5.6.1 Concentric connection 60/100
The boiler is fitted with a flue gas adapter suitable for connecting to a concentric flue gas extractor
system with a diameter of 60/100.
Fit the concentric pipe thoughtfully in the adapter. The built in gaskets ensure there is an air tight
seal.
5.6.2 Concentric connection 80/125
If required, the flue gas adapter 60/100 can be replaced by a version for a flue gas extractor
system with a 80/125 diameter.
1. Carefully follow the instruction as provided with the adapter set 80/125.
2. Fit the concentric pipe thoughtfully in the adapter. The built in gaskets ensure there is an air
tight seal.
5.6.3 Parallel connection 80/80
If required, the flue gas adapter 60/100 can be replaced by a version for a parallel flue system (2
pipes) with a 80 mm diameter.
1. Carefully follow the instruction as provided with the adapter set 80.
2. Fit the pipes for the air supply and flue gas thoughtfully in the air inlet opening and flue gas
adapter of the unit. The built in gaskets ensure there is an air tight seal. Make sure that the
connections are not mixed.
Daikin Europe NV23
5.7 Outlet systems
The drawings above are a sample and can differ on details.
Explanation flue systems
Category in accordance to CE
B23
A flue that evacuates the products of combustion to the outside of
the room containing the appliance. The combustion air is drawn directly from the room.
Make sure the air inlet is open
and complies to the demands
B33
A flue system which is connected to a common duct system. This common duct system
consists of a single natural draught flue. All pressurized parts of the appliance containing
products of combustion are completely enclosed by parts of the appliance supplying
combustion air. Combustion air is drawn into the appliance from the room by means of a
concentric duct, which encloses the flue. The air enters through defined orifices situated
in the surface of the duct.
Make sure the air inlet is open
and complies to the demands
C13
Horizontal flue system. Discharge in the outside wall.
Inlet opening for the air supply is in the same pressure zone as the discharge
For example : a wall terminal
through the facede.
C33
Vertical flue system. Flue gas discharge via the roof.
Inlet opening for the air supply is in the same pressure zone as the discharge
For example : a vertical roof
terminal.
C43
Joint air supply and flue gas discharge duct (CLV system)
Twin-pipe or concentric
C53
Separate air supply and separate flue gas discharge duct.
Discharging into different pressure zones
C63
Free in the market available flue material with CE approval
Do not mix flue materials from
different suppliers.
C83
Joint air supply and flue gas discharge duct (CLV system)
Discharging into different pressure zones
Only as twin pipe system
C93
Air supply and flue gas discharge duct in shaft or ducted: Concentric. Air supply from
existing duct. Flue gas discharge via the roof. Air supply and flue gas discharge are in
the same pressure zone.
Concentric flue system
between the boiler and the
duct.
Please note that not all flue gas configurations described below are permitted in all
countries. Therefore observe local regulations prior to installation.
Daikin Europe NV24
Art.no.
Description
EKFGP2978
Wall Terminal Kit PP/GLV 60/100
EKFGP4651
Extension PP/GLV 60/100 x 500mm
EKFGP4652
Extension PP/GLV 60/100 x 1000mm
EKFGP4660
Elbow PP/GLV 60/100 90°
EKFGP4661
Elbow PP/GLV 60/100 45°
EKFGP2977
Wall Terminal Kit low profile PP/GLV 60/100
EKFGP4664
Elbow PP/GLV 60/100 30°
EKFGP4631
Wall Bracket Dn.100
EKFGP4667
Measurement Tee with Inspection Panel PP/GLV 60/100
Art.no.
Description
EKFGP4631
Wall Bracket Dn.100
EKFGP4651
Extension PP/GLV 60/100 x 500mm
EKFGP4652
Extension PP/GLV 60/100 x 1000mm
EKFGP4660
Elbow PP/GLV 60/100 90°
EKFGP4661
Elbow PP/GLV 60/100 45°
EKFGP4664
Elbow PP/GLV 60/100 30°
EKFGP4667
Measurement Tee with Inspection Panel PP/GLV 60/100
EKFGP6837
Roof Terminal PP/GLV 60/100 AR460
Art.no.
Description
EKFGP4651
Extension PP/GLV 60/100 x 500mm
EKFGP4652
Extension PP/GLV 60/100 x 1000mm
EKFGP6837
Roof Terminal PP/GLV 60/100 AR460
EKFGW4085
Elbow PP 80 90°
EKFGW4086
Elbow PP 80 45°
EKFGV1102
Chimney Conection Set 60/100 Air Intake Dn.80 C53
EKFGP4660
Elbow PP/GLV 60/100 90°
EKFGP4661
Elbow PP/GLV 60/100 45°
EKFGP4664
Elbow PP/GLV 60/100 30°
EKFGP4667
Measurement Tee with Inspection Panel PP/GLV 60/100
EKFGP4631
Wall Bracket Dn.100
EKFGW4001
Extension PP 80x500
EKFGW4002
Extension PP 80x1000
EKFGW4004
Extension PP 80x2000
5.8 Flue material
The following flue materials can be ordered at Daikin.
Also visit the website: fluegas.daikin.eu
C13
C33
C53
Daikin Europe NV 25
C93
Art.no.
Description
EKFGP4678
Chimney Connection 60/100
EKFGP1856
Flex Kit PP Dn.60-80
EKFGP6340
Extension Flex PP 80 L=10 M
EKFGP6344
Extension Flex PP 80 L=15 M
EKFGP6341
Extension Flex PP 80 L=25 M
EKFGP6342
Extension Flex PP 80 L=50 M
EKFGP6324
Connector Flex-Flex PP 80
EKFGP4664
Elbow PP/GLV 60/100 30°
EKFGP4661
Elbow PP/GLV 60/100 45°
EKFGP4660
Elbow PP/GLV 60/100 90°
EKFGP6333
Spacer PP 80-100
EKFGP4667
Measurement Tee with Inspection Panel PP/GLV 60/100
EKFGP4631
Wall Bracket Dn.100
EKFGP4651
Extension PP/GLV 60/100 x 500mm
Daikin Europe NV26
CAUTION
•Make sure the boiler room complies to the regulatory
requirements for connecting to a flue system in
accordance to B23 or B33
•When connection the boiler to a flue system in
accordance to B23 or B33 the electrical protection
class is IP20 instead of IP44
C13
C33
C43
C53
C83
EKOMB22AAV1
100 m
100 m
100 m
100 m
100 m
EKOMB28AAV1
85 m
85 m
85 m
85 m
85 m
EKOMB33AAV1
80 m
80 m
80 m
80 m
80 m
5.9 Connection to a flue system without air inlet (B23, B33)
General assembly
1. Slide the combustion gas outlet pipes into each other.
From the unit, every pipe has to be slid into the previous one.
Mount a non-vertical combustion gas outlet pipe on a slope towards the unit (min. 5mm/m).
5.9.1 Permitted pipe lengths at parallel air supply and flue tube systems
Permitted pipe lengths B23 and B33 when applying Ø80 mm
Daikin Europe NV 27
5.10 Connection to a sealed flue system.
C13
C33
EKOMB22AAV1
10 m
11 m
EKOMB28AAV1
10 m
10 m
EKOMB33AAV1
10 m
10 m
C13
C33
C93
EKOMB22AAV1
29 m
29 m
See par. 5.10.8
EKOMB28AAV1
29 m
29 m
See par. 5.10.8.
EKOMB33AAV1
29 m
29 m
See par. 5.10.8
Bend 90°
R/D=1
2 m
Bend 45°
R/D=1
1 m
Knee 90°
R/D=0.5
4 m
Knee 45°
R/D=0.5
2 m
5.10.1 Pipe lengths
As the resistance of the flue tube and air supply pipes increases, the power of the unit will
decrease. The maximum permitted power reduction is 5%.
The resistance of the air supply and the combustible gas outlet depends on the length, diameter
and all components of the pipe system. Per unit category, the total permitted pipe length has been
indicated for the air supply and the combustible gas outlet.
5.10.2 Permitted pipe lengths in concentric flue tube systems
Permitted pipe lengths when applying concentric 60/100
Permitted pipe lengths when applying concentric 80/125
Contact the manufacturer for test calculations for the resistance of the air supply and
combustible gas outlet pipe and the wall temperature at the end of the combustible gas
outlet pipe.
Replacement lengths
General assembly:
For all outlets, the following assembly applies:
1. Slide the concentric combustion gas outlet pipe and air supply pipe.
2. Slide the concentric pipes into each other.
3. Mount a non-vertical combustion gas outlet pipe on a slope towards the unit
4. Fit the assembly brackets in accordance with the assembly instructions of the supplier of
Daikin Europe NV28
From the unit, every pipe has to be slid into the previous one.
(min. 5mm/m).
the air supply/flue tube system.
C13
C33
C43
C53
C83
EKOMB22AAV1
100 m
100 m
100 m
100 m
100 m
EKOMB28AAV1
85 m
85 m
85 m
85 m
85 m
EKOMB33AAV1
80 m
80 m
80 m
80 m
80 m
Bend 90°
R/D=1
2 m
Bend 45°
R/D=1
1 m
Knee 90°
R/D=0.5
4 m
Knee 45°
R/D=0.5
2 m
Pipe
Pipe lengths
Pipe length total
Flue gas outlet
L1 + L2 + L3 + 2x2 m
13 m
Air supply
L4 + L5 + L6 + 2x2m
12 m
5.10.3 Permitted pipe lengths at parallel air supply and flue tube systems
Permitted pipe lengths when applying Ø80 mm (total of flue pipe and air intake pipe
together).
Replacement lengths
Calculation example
Note:
The total pipe length is: sum of the straight pipe lengths + sum of the replacement pipe
lengths of bends/knees amounts to a total of 25 meters. If this value is less than the
maximum permitted pipe length, the flue gas outlet meets the requirements on this point.
Daikin Europe NV29
5.10.4 Free in the market available flue gas materials (C63).
Parallel
Concentric 80/125
Concentric 60/100
Flue pipe
Air inlet
Flue pipe
Air inlet
ø 80
+0,3
- 0,7
ø 80
+0,3
- 0,7
ø 125
+ 2
- 0
ø 60
+0,3
- 0,7
ø 100
+ 2
- 0
Flue materials of different markings must not be combined !
The properties of the combustion determine the choices for the flue material.
The standards EN 1443 and EN 1856-1 provide the necessary information for choosing the
flow material by means of a sticker including an identification string.
The Identification string contains the following information:
A CE marking
B The standard to comply to: Metal, EN 1856-2
Plastic, EN 14471
The ID string needs to contain the following information:
C Temperature class : T120
D Pressure class : Pressure (P) or High Pressure (Hi)
E Resistance class : W (Wet)
F Resistance class in case of fire : E
Dimensions C63 Flue system (external dimensions in mm)
Daikin Europe NV 30
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