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5 Configuration
a
Y2
A4P
a
Installation of EKRP1HB is required.
2 Fix the cable with cable ties to the cable tie mountings.
4.5.8
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.
Installation manual
12
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.
4.6
Finishing the indoor unit
installation
4.6.1
To close the indoor unit
1 Close the switch box.
2 Mount the side plate to the unit.
3 Mount the top plate.
NOTICE
When closing the indoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
Before doing the configuration of the heat pump module, the gas
boiler MUST be installed correctly.
5
Configuration
INFORMATION
The purpose of hybrid for multi indoor unit in combination
with multi outdoor unit is for heating only (space heating
and DHW (by boiler only)). The target use of the direct
expansion indoor unit (DX) in such a system is for cooling
only. A combination of hybrid and DX, both in heating
operation is NOT the main objective of such a system and
hence, the heating comfort or continuous operation of the
DX cannot be guaranteed over the complete operation
range.
INFORMATION
After direct expansion units (DX) have operated in cooling
mode, the hybrid for multi indoor unit will not operate by
heat pump for 72 hours. During this time, the gas boiler will
take over the hybrid operation.
5.1
Indoor unit
5.1.1
Overview: Configuration
This chapter describes what you have to do and know to configure
the system after it is installed.
Daikin hybrid for multi heat pump – heat pump module
CHYHBH05+08AA
4P471756-1C – 2017.10
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