Daikin CHYHBH08AAV32 [9/32] Installation
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Daikin CHYHBH08AAV32 [9/32] Installation

Daikin CHYHBH08AAV32 [9/32] Installation
4 Installation
Installation manual
9
CHYHBH05+08AA
Daikin Altherma R Hybrid
4P471756-1E – 2019.09
a
b
a Water inlet
b Water outlet
c Shut-off valve
d O-ring
3 In case of connection with the optional domestic hot water tank,
see the installation manual of the domestic hot water tank.
NOTICE
Install air purge valves at all local high points.
NOTICE
In case an optional domestic hot water tank is installed: A
pressure relief valve (field supply) with an opening
pressure of maximum 10bar (=1MPa) must be installed
on the domestic cold water inlet connection in accordance
with the applicable legislation.
4.4.2 To fill the space heating circuit
Before filling the space heating circuit, the gas boiler MUST be
installed.
1 Flush the installation thoroughly to clean the circuit.
2 Connect the water supply hose to the drain point (field supply).
3 Power up the gas boiler to see the pressure indication on the
boiler display.
4 Make sure that the air purge valves of the gas boiler and the
heat pump module are open (at least 2 turns).
5 Fill the circuit with water until the boiler display indicates a
pressure of ±2bar (with a minimum of 0.5bar).
6 Purge air from the water circuit as much as possible.
7 Disconnect the water supply hose from the drain point.
NOTICE
▪ Air in the water circuit can cause malfunctioning. During
filling, it may not be possible to remove all the air from
the circuit. Remaining air will be removed through the
automatic air purge valves during the initial operating
hours of the system. Additional filling with water
afterwards may be required.
▪ To purge the system, use the special function as
described in the chapter "6 Commissioning" [4 20].
This function should be used to purge the heat
exchanger coil of the domestic hot water tank.
4.4.3 To fill the domestic hot water tank
For installation instructions, see the installation manual of the
domestic hot water tank.
4.4.4 To insulate the water piping
The piping in the complete water circuit MUST be insulated to
prevent reduction of the heating capacity.
If the temperature is higher than 30°C and the humidity is higher
than RH80%, the thickness of the insulation materials should be at
least 20 mm to prevent condensation on the surface of the
insulation.
4.5 Connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
4.5.1 To connect the electrical wiring on the
indoor unit
It is recommended to install all electrical wiring to the hydro box
before installing the boiler.
1 Wiring should enter the unit from the bottom.
2 Routing of the wiring inside the unit should be as follows:
b
a
c
a
b
c
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain access to other
components during service.
Routing Possible cables (depending on unit type and installed options)
a ▪ Interconnection cable between indoor and outdoor unit
▪ Heat pump convector (option)
▪ Room thermostat (option)
▪ 3-way valve (option in case of tank)
▪ Shut-off valve (field supply)
▪ Domestic hot water pump (field supply)

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