To Connect The Safety Thermostat (Normal Closed Contact); Connecting The Gas Piping; To Connect The Gas Pipe; Connecting The Boiler To The Flue Gas System - Daikin CHYHBH05AA Installer's Reference Manual

7 Installation
a
Y2
A4P
a Installation of EKRP1HB is required.
2 Fix the cable with cable ties to the cable tie mountings.
7.10.13 To connect the safety thermostat (normal
closed contact)
1 Connect the safety thermostat (normal closed) cable to the
appropriate terminals as shown in the illustration below.
X2M
X1M
X5M
4
3
S4S
2 Fix the cable with cable ties to the cable tie mountings.
Installer reference guide
38
29
X2M
X1M
X5M
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.
7.11

Connecting the gas piping

7.11.1

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.
7.12 Connecting the boiler to the flue
gas system
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. An adapter piece 80/125 concentric connection is
also available.
The concentric adapter piece is equipped with a measuring point for
the gas exhaust and one for the air intake.
Daikin hybrid for multi heat pump – heat pump module
CHYHBH05+08AA + EHYKOMB33A
4P471761-1A – 2017.10