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Test running, 25 test running – Pridiom Solar Series Installation Manual User Manual

Page 26

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Perform the electric safe check after completing installation:
1. Grounding work

After finishing grounding work, measure the grounding resistance by visual detection and

grounding resistance tester. Make sure the grounding resistance is less than 4

.

2. Electrical leakage check (performing during test running)

During test operation after finishing installation, the serviceman can use the electroprobe
and multimeter to perform the electrical leakage check. Turn off the unit immediately if
leakage happens. Check and find out the solution ways till the unit operate properly.

Ω

A: Lo packed valve B: Hi packed valve
C and D are ends of indoor unit connection.

CAUTION

Indoor unit
check point

D

B

C

A

Outdoor unit
check point

Cover

Fig.62

Electrical safety check

Gas leak check

1. Soap water method:

Apply a soap water or a liquid neutral detergent

on the indoor unit connection or outdoor unit
connections by a soft brush to check for leakage
of the connecting points of th piping. If bubbles
come out, the pipes have leakage.

2. Leak detector

Use the leak detector to c heck for leak age.

Test running

Safety and leakage check

25

TEST RUNNING

Perform test operation after completing gas leak check at the flare nut connections and
electrical safety check.

Check that all tubing and wiring have been properly connected.
Check that the gas and liquid side service valves are fully open.

1. Connect the power, press the ON/OFF button on the remote controller to turn the unit on.
2. Use the MODE button to select COOL, HEAT, AUTO and FAN to check if all the functions

work well.

3. When the amient temperature is too low(lower than 17 C), the unit cannot be controlled by

the remote controller to run at cooling mode, manual operation can be taken. Manual
operation is used only when the remote controller is disable or maintenance necessary.
Press the Manual control button on the right side of the panel frame to select the AUTO or
COOL, the unit will operate under Forced AUTO or COOL mode(see User Manual for details).

4. The test operation should last about 30 minutes.

Man u al con tro l

bu tton

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