Panasonic WH-ADC0309J3E5, Planning And Installation Manual, Page: 191 / 224

191
Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Installation
6
6.9.2 Filling and venting the water system
6.9.2.1 Filling hot water tank
i
Note
The following method describes exclusively how the Panasonic All in One units are filled.
When commissioning bi-bloc systems with hydrokit or mono-bloc systems, which are used in
combination with hot water tanks from third party suppliers, follow the installation instructions of the
third party supplier, which is supplied with the tank, when filling the hot water tank . In such a case,
continue with section → 6.9.2.2 Filling the heating or cooling circuit, p. 191 .
When commissioning bi-bloc systems with hydrokit and mono-bloc systems which are used without
hot water tanks, you can skip this section. In this case, too, continue with section →
6.9.2.2 Filling
the heating or cooling circuit, p. 191
.
Perform the following steps to fill the hot water tank of the All in One unit:
1. Set the drain valve on the discharge tap of the hot water tank (→ 4.6.2.1 Components (bi-
bloc systems), p. 29 ) to the closed position.
2. Open all hot water taps in the heating system (water and shower taps)
3.
Fill the hot water tank through the fresh water inlet (→
4.6.2.1 Components (bi-bloc
systems), p. 29
). After 20 to 40 minutes, water should come out of the hot water taps. If
this does not happen, please contact your Panasonic dealer.
4. Check whether there are any leakages in the pipe connections, and repair them if necessary.
6.9.2.2 Filling the heating or cooling circuit
Perform the following steps to fill and vent the heating or cooling circuit:
1. Open the air purge valve (1), by turning the valve cap (2) of the air purge valve one full
turn in an anti-clockwise direction (→
4.6.2.1 Components (bi-bloc systems), p. 29
,
→
4.6.3.1 Components (mono-bloc systems), p. 52
).
1
2
1 Air purge valve
2 Valve cap
2. Turn up all thermostat valves of the heating system and possibly all other stop valves.
3.
Connect a filling hose, which has been vacuumed as far as possible, to the water return
of the system (→
4.6.2.1 Components (bi-bloc systems), p. 29
, →
4.6.3.1 Components
(mono-bloc systems), p. 52
).
4. Fill water until the manometer shows that the set pressure has been reached.