9 Installation
Installer reference guide
39
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
To connect a+b1+b2
4 (a+b1)
5 (b2)
2×
1
4×
3
2×
2
2×
a
Connection piece for
b1
b1
Freeze protection valve (for water drainage)
b2
Vacuum breaker (head-up for air supply)
1
Open the top plate.
2
Open the front plate.
3
Open the rear plate.
4
Connect
a+b1
as follows:
1
Remove the clip.
2
Remove and discard the stop with the sealing.
3
Attach the freeze protection valve (
b1
) to the connection piece
(
a
), using thread sealant.
1
2
a
b1
4
Attach the connection piece to the outdoor unit.
5
Attach the clip.
6
Close the rear plate, front plate and top plate.
5
Do one of the following to connect
b2
(2 possibilities):
NOTICE
Vacuum breaker (b2)
. To make proper drainage through
the freeze protection valve inside the outdoor unit possible,
the vacuuum breaker must be installed correctly:
▪ Directly at the water outlet of the unit, without any field
piping or valve in between.
▪ Head-up for air supply.
Possibility 1
b2
With option EKBALLV1 (shut-off valves with
integrated connection for the vacuum
breaker).
For installation instructions, see the installation
manual of the shut-off valves.
Possibility 2
b2
With T-joint (field supply) + shut-off valve (field
supply).
3
1
2
b2
9.6.6
To fill the space heating circuit
In case of dedicated gas boiler
INFORMATION
Air purge valves
. In case of EHY32AA gas
boiler, the following air purge valves are possible:
▪ Manual air purges valves on the shut-off valves (option
EKBALLV1).
▪ Manual
air
purge
valve
inside
the
EHY32AA gas boiler.
▪ Manual or automatic field-supplied air purge valves.
▪
Note:
Automatic air purge valves are NOT allowed if
glycol is used.
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 fill/drain point.
Note:
The fill/drain point can be:
▪ Field supplied
▪ Part
of
option
EKFL1A
(filling
loop
kit
for
the
EHY32AA gas boiler)
