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NOTICE
Make sure to select and install the safety thermostat
according to the applicable legislation.
In any case, to prevent unnecessary tripping of the safety
thermostat, it is recommended that ...
▪ ... the safety thermostat is automatically resettable.
▪ ... the safety thermostat has a maximum temperature
variation rate of 2°C/min.
▪ ... there is a minimum distance of 2 m between the
safety thermostat and the motorised 3‑way valve
delivered with the domestic hot water tank.
▪ ... the safety thermostat setpoint is at least 15°C
greater than the maximum leaving water temperature
setpoint.
INFORMATION
After it is installed, do NOT forget to configure the safety
thermostat. Without configuration, the indoor unit will
ignore the safety thermostat contact.
INFORMATION
The preferential kWh rate power supply contact is
connected to the same terminals (X5M/3+4) as the safety
thermostat. It is only possible for the system to have
EITHER preferential kWh rate power supply OR a safety
thermostat.
7.12
Connecting the gas piping
7.12.1
To connect the gas pipe
1 Connect a gas valve to the 15 mm gas connection of the gas
boiler and connect it to the field pipe according to local
regulations.
2 Install a gas mesh filter in the gas connection if the gas may be
contaminated.
3 Connect the gas boiler to the gas supply.
4 Check all parts for gas leaks on a pressure of maximum
50 mbar (500 mm H
O). There may be no stress on the gas
2
supply connection.
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1C – 2018.06
7.13
Connecting the boiler to the flue
gas system
WARNING
▪ Make sure that the socket connections of the flue and
air supply duct materials are correctly sealed. Improper
fastening of the flue and air supply duct can lead to
hazardous situations or result in personal injury.
▪ Check all flue components for tightness.
▪ Do NOT use screws or parkers to mount the flue
system as leakage can occur.
▪ Sealing rubbers can be negatively affected when
grease is applied, use water instead.
▪ Do NOT mix any components, materials or ways of
coupling from different manufacturers.
The gas boiler is designed ONLY for operation independent of room
air.
The gas boiler is delivered with a 60/100 concentric flue gas/air
intake connection. Fit the concentric pipe thoughtfully in the adapter.
The built-in gaskets ensure there is an air tight seal.
An adapter piece 80/125 concentric connection is also available. Fit
the concentric pipe thoughtfully in the adapter. The built-in gaskets
ensure there is an air tight seal.
INFORMATION
Carefully follow the instructions as described in the adapter
set.
The concentric adapter piece is equipped with a measuring point for
the gas exhaust and one for the air intake.
b
a
a
Gas exhaust measuring point
b
Air intake measuring point
The air supply and the flue pipe can also be connected separately as
a dual pipe connection. An option to change the gas boiler from a
concentric to a dual pipe connection is available.
NOTICE
When installing the gas exhaust take the installation of the
outdoor unit into account. Make sure the exhaust gases
are not sucked into the evaporator.
When installing the gas exhaust and the air intake, take
into account the serviceability of the indoor unit. When the
gas exhaust/air intake goes backwards over the indoor
unit, the expansion vessel cannot be accessed and, if
necessary, will have to be replaced outside the unit.
7.13.1
To change the gas boiler to 80/125
concentric connection
The concentric connection can be changed from Ø60/100 to
Ø80/125 by an adapter set.
1 Remove the concentric pipe from the air supply and combustion
gas
pipe
at
the
top
counterclockwise.
7 Installation
of
the
gas
boiler
by
turning
Installer reference guide
45
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