Panasonic ADC0916H9E8 Installation Manual Download Page 10

Page: 10 / 424

ENGLISH

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 fi lled up with water and trapped air is released.
d)  Please turn on the power supply after fi lling the tank until full.
e)  In order to check whether the tank is full, switch heater once

for about 10 min.

2. Switch ON the power supply of the Tank Unit. Set the Tank Unit

RCCB to “ON” condition. Then, please refer to the Operation
Instruction for operation of Remote Controller

3. For normal operation, Water Pressure Gauge

reading should

be in between 0.05 MPa and 0.3 MPa. If necessary, adjust the
Water Pump

SPEED accordingly to obtain normal water

pressure operating range. If adjust Water Pump

SPEED

cannot solve the problem, contact your local authorized dealer.

4. After test run, please clean the Water Filter Set

. Reinstall it

after fi nish cleaning.

RESET OVERLOAD PROTECTOR

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

3. Fix the cover to the original fi xing condition.

Use test pen to push
this button for reset
Overload protector

MAINTENANCE

•

In order to ensure safety and optimal performance of the Tank
Unit, seasonal inspections on the Tank Unit, functional check of
RCCB, 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 Water Filter Set

1. Turn OFF power supply.
2. Set the two valves for the Water Filter Set

to “CLOSE”.

3. Take off the clip, then gently pull out the mesh. Beware of small

amount water drain out from it.

4. Clean the mesh with warm water to remove all the stain. Use

soft brush if necessary.

5. Reinstall the mesh to the Water Filter Set

and set back the

clip on it.

6. Set the two valves for the Water Filter Set

to “OPEN”.

7. Turn ON power supply.

Maintenance for Safety Relief Valve

•

It is strongly recommended to operate the valve by turn the knob
counter clockwise to ensure free water fl ow through discharge
pipe at regular intervals to ensure it is not blocked and to remove
lime deposit.

PROPER PUMP DOWN PROCEDURE

WARNING

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 Tank Unit is not in operation (standby), enter the

Service 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 temperatures (< 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

stop pump down operation.

5. Remove the refrigerant piping.

CHECK ITEMS

Is the Tank Unit properly installed on the concrete fl oor?

Is there any gas leakage at fl are nut connections?

Has the heat insulation been carried out at fl are nut
connection?

Is the Pressure Relief Valve

operation normal?

Is water pressure higher than 0.05 MPa?

Is the water drainage work properly done?

Is the power supply voltage within the rated voltage range?
Is the cables being fi xed to RCCB and terminal board
fi rmly?
Is the cables being clamped fi rmly by holder (clamper)?

Is the earth wire connection properly done?

Is the RCCB operation normal?

Is the Remote Controller

LCD operation normal?

Is there any abnormal sound?

Is the heating operation normal?

Is the Tank unit water leak free on test run?

Is the Safety Relief Valve knob turned for releasing air?

TEST RUN

2. Press from front to fi x the Remote controller cover

on the front

plate.