Checking The System - Panasonic Aquarea WH-ADC0309J3E5 Planning And Installation Manual

Installation

6.9.3 Checking the system

6 WARNING
Danger to life from electric shock!
The devices are operated with 230 V or 400 V alternating current. Improper installation can present
a danger to life from electric shock as well as a danger of fire occurring due to overheating.
► Ensure that you have disconnected the electricity supply before you carry out installation
i
Note
Instructions for operating the devices using the remote controller are given in the operating
instructions of the respective devices.
192
5. Vent the system as follows:
a. Open the indoor and outdoor unit or the mono-bloc unit (→
b. Set the lever (2) of the pressure relief valve (1), located in the indoor unit or mono-bloc unit
(→
4.6.2.1 Components (bi-bloc systems), p.
systems), p. 52) to the horizontal position (3 – open). The enclosed air can now escape
audibly (hissing sounds).
1
2
3
c. After a few seconds, set the lever of the pressure relief valve back to the home position
(closed).
d. Repeat the sequence until there are no audible sounds of escaping air.
e. Check the system pressure on the manometer. In normal operation, the system pressure
should be between 0.5 and 3 bar. Adjust the set pressure if necessary.
6. Then again check the pressure and top up the fluid if necessary.
7. Check whether there are any leakages in the pipe connections, and repair them if necessary.
work. Secure the electricity supply against being switched on again unintentionally.
29, →
1 Pressure relief valve
2 Lever
3 Setting horizontal in the opening position
Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
6.5 Opening devices, p.
4.6.3.1 Components (mono-bloc
155).