Panasonic WH-SDC0309K3E5 Installationshandbuch Seite 13

TEST RUN
9
1. Fill up the Tank Unit with water. For details refer to Tank Unit
installation instruction and operation instruction.
2. Set ON to the Indoor Unit and RCCB/ELCB. Then, for control
panel operation please refers to air-to-water heatpump operation
instruction.
Note:
•
During winter, turn on the power supply and standby the unit
for at least 15 minutes before test run.
Allow suffi cient time to warm up refrigerant and prevent wrong
error code judgement.
3. For normal operation, pressure sensor d reading should be in
between 0.05 MPa and 0.3 MPa (0.5 bar and 3 bar).
4. After test run, please clean the Magnetic Water Filter Set e.
Reinstall it after fi nish cleaning.
RESET OVERLOAD PROTECTOR a
Overload Protector a serves the safety purpose to prevent the water
over heating. When the Overload Protector 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 a.
3. Fix the cover to the original fi xing condition.
Use test pen to push this
button for reset Overload
protector a.
MAINTENANCE
10
• In order to ensure safety and optimal performance of the unit,
seasonal inspections on the unit, functional check of RCCB/ELCB,
fi eld 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.
Maintenance for Magnetic Water Filter Set
1. Turn OFF power supply.
2. Place a container below Magnetic Water Filter Set e.
3. Turn to remove the Magnet Bar at bottom of Magnetic Water
Filter Set e.
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 / Cooling circuit if
necessary (refer Section 5 for details.)
8. Turn ON power supply.
Discharge port
Open
PROPER PUMP DOWN PROCEDURE
Strictly follow the steps below for proper pump down procedure.
Explosion may occur if the steps are not followed as per sequence.
1. When the Indoor Unit is not in operation (standby), enter the
Servic e setup menu in the Remote Controller and select
Pump down operation to turn it ON. (See APPENDIX for
detail)
2. After 10~15 minutes, (after 1 or 2 minutes in case very low
ambient temperature (< 10°C)), fully close 2 way valve on
Outdoor Unit.
3. After 3 minutes, fully close 3 way valve on Outdoor Unit.
4. Press the "OFF/ON" switch on the Remote Controller 3 to
stop pump down operation.
5. Remove the refrigerant piping.
e
Service
Valve
Magnet Bar
Close
WARNING
13