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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
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
With option EKBALLV1 (shut-off valves with
integrated connection for the vacuum
breaker).
b2
For installation instructions, see the installation
manual of the shut-off valves.
EJHA04AAV3
Daikin Altherma H Hybrid – Heat pump module
4P530607-1D – 2020.02
a
2
b1
Possibility 2
With T-joint (field supply) + shut-off valve (field
supply).
b2
5.3.4
To fill the space heating circuit
In case of dedicated gas boiler
INFORMATION
Air purge valves. In case of *HY2KOMB28+32AA 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 *HY2KOMB28+32AA
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
*HY2KOMB28+32AA gas boiler)
3 Power up the gas boiler to see the pressure indication on the
boiler display.
4 If an automatic air purge valve was installed, make sure it is
open.
5 Fill the circuit with water until the boiler display indicates a
pressure of ±2 bar (with a minimum of 0.5 bar).
Note: The pressure relief valve of the outdoor unit is designed
to open at 3 bar.
6 Purge air from all manual air purge valves in the system (open,
purge air, close).
7 Check the pressure. If it is too low, repeat from step 5.
8 Turn ON the pump, and check if you can still hear air in the
circuit. After ±1 min, turn it OFF.
Note: To turn the pump ON and OFF, use the air purge
function on the outdoor unit's user interface. See
purge" [ 4 28].
perform an air
9 Purge air again from all manual air purge valves in the system
(especially if you heard air in the circuit).
10 Check the pressure again. If it is too low, repeat from step 5.
11 Disconnect the water supply hose from the fill/drain point.
5 Installation
b2
3
1
2
(filling
loop
kit
for
the
"7.2.1 To
Installation manual
15
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