Panasonic WH-ADF0309J3E5CM Service Manual page 69

2 Press from front to fix the Remote controller
□
cover 5 on the front plate.
⑯
Front Plate
Remote
controller
□
cover
5
11.2.8 Test Run
1. Before test run, make sure below items have been
checked:-
a) Pipework are properly done.
b) Electric cable connecting work are properly
done.
c) Tank Unit is filled up with water and trapped
air is released.
d) Please turn on the power supply after filling
the tank until full.
2. Switch ON the power supply of the Tank Unit. Set
the Tank Unit RCCB /ELCB to "ON" condition.
Then, please refer to the Operation Instruction for
operation of Remote Controller ①.
Note:

During winter, turn on the power supply and standby the
unit for at least 15 minutes before test run.
Allow sufficient time to warm up refrigerant and prevent
wrong error code judgement.
3. For normal operation, Water Pressure Gauge ⑮
reading should be in between 0.05 MPa and 0.3
MPa.
4. During test run, use a container to collect high
volume of discharge water from Pressure Relief
Valve ⑬ discharge hose.
5. After test run, please clean the Magnetic Water
Filter Set ⑦. Reinstall it after finish cleaning.
11.2.8.1 Check Water Flow of Water
Circuit
Confirm the maximum water flow during main pump
operation not less than 15 l/min.
*Water flow can be check through service setup
(Pump Max Speed) [Heating operation at low water
temperature with lower water flow may trigger "H75"
during defrost process.]
Hook (6 places)
11.2.8.2 Reset Overload Protector ⑩
Overload Protector ⑩ a serves the safety purpose to
prevent the water over heating. When the Overload
Protector ⑩ a trip at high water temperature, take
below steps to reset it.
1. Take out the cover.
2. Use a test pen to push the centre button gently in
order to reset the Overload Protector ⑩.
3. Fix the cover to the original fixing condition.
11.2.9 Maintenance

In order to ensure safety and optimal performance
of the Tank Unit, seasonal inspections on the
Tank Unit, functional check of RCCB/ELCB, field
wiring and piping have to be carried out at regular
intervals. This maintenance should be carried out
by authorized dealer. Contact dealer for
scheduled inspection.
11.2.9.1 Maintenance for Magnetic
Water Filter Set ⑦
1. Turn OFF power supply.
2. Place a container below Magnetic Water Filter Set
⑦.
3. Turn to remove the Magnet Bar at bottom of
Magnetic Water Filter Set ⑦.
4. By using Allen key (8mm), remove the Cap of
Discharge Port.
5. By using Allen Key (4mm), open the Service Valve
to release the dirty water from the Discharge Port
into a container. Close the service valve when the
container is full to avoid spillage in the tank unit.
Dispose the dirty water.
6. Reinstall the Cap of Discharge Port and Magnet
Bar.
7. Re-charging the water to Space Heating circuit if
necessary (refer Section 5 for details.)
8. Turn ON power supply.
Open
69
Use test pen to push
this button for reset
Overload protector ⑩.
Service
Valve
Discharge port
Magnet Bar
Close