Panasonic WH-ADF0309J3E5CM Service Manual page 66

11.2.5 Charging and Discharging the
Water

Make sure all the piping installations are properly
done before carry out below steps.
11.2.5.1 Charge the Water

For Domestic Hot Water Tank
1 Set the Domestic Hot Water Tank Discharge
○
(Drain Tap) g to "CLOSE".
C " L O S " E
Domestic Hot Water Tank Discharge (Drain Tap)
2 Set all Tap / Shower "OPEN".
3 Start filling water to the Domestic Hot Water
Tank via Tube Connector
After 20~40min, water should flow out from
Tap / Shower.
Else, please contact your local authorized
dealer.
4 Check and make sure no water leaking at the
tube connecting points.
5 Set the Domestic Hot Water Tank Discharge
○
(Drain Tap) g to "OPEN" for 10 seconds to
release air from this pipeline. Then set it
"CLOSE".
6 Turn the Safety Relief Valve
counterclockwise slightly and hold for 10
seconds to release air from this pipeline. Then
recover the knob to original position.
7 Ensure Step 5 & 6 is carried out each time
after charging water to Domestic Hot Water
Tank.
8 To prevent back pressure from happening to
the Safety Relief Valve
Relief Valve
" O P E N "
g
○
c .
knob
, do turn the Safety
knob counterclockwise.

For Space Heating
1 Turn the plug on the Air Purge Valve ⑫ outlet
anticlockwise by one complete turn from fully
closed position.
Air Purge Valve ⑫
2 Set the Pressure Relief Valve ⑬ lever
"DOWN".
Pressure Relief
Valve ⑬
Lever
Turn down
Pressure Relief Valve ⑬
3 Start filling water (with pressure more than
0.1 MPa (1 bar)) to the Space Heating circuit
via Tube Connector
the free water flow through Pressure Relief
Valve ⑬ discharge hose.
4 Turn ON the Tank Unit and make sure Water
Pump ② is running.
5 Check and make sure no water leaking at the
tube connecting points.
6 The water may drip from this discharge hose.
Therefore must guide the hose without close
or block the outlet of the hose.
11.2.5.2 Discharge the Water

For Domestic Hot Water Tank
1 Turn OFF power supply.
2 Set the Domestic Hot Water Tank Discharge
(Drain Tap)
3 Open Tap / Shower to allow air inlet.
4 Turn the Safety Relief Valve
counterclockwise slightly and hold it until all
air is released from this pipeline. Then recover
the knob to original position after ensured the
pipeline is emptied.
5 After discharge, set Domestic Hot Water Tank
Discharge (Drain Tap)
66
Plug (turn
anticlockwise by
one complete turn)
Pressure
Relief Valve ⑬
Lever
or
Turn down
Pressure Relief Valve ⑬
○
a . Stop filling water if
○
g to "OPEN".
knob
○
g to "CLOSE".