(a) The high pressure will increase when the following procedure is carried out.
Cover the air inlet of the outdoor unit during the
cooling operation
Cover the air inlet of the indoor unit during the
heating operation.
(b) When the high pressure retry control is activated, the alarm code will be indicated "P13" on
the 7 segment display of
the outdoor unit PCB. If the high pressure retry control occurs 3 times or more in 30 minutes, the alarm code will be indicated
"45" on the remote control LCD screen or the 7 segment display of the outdoor unit PCB.
< Carried out from PC-ART >
• The alarm code will be indicated "45"(a).
• The operating indicator (b) will flash.
N O T E
The high
pressure may not increase until the high pressure
switch is activated due to the temperature condition.
7.2.5 Refrigerant cycle checklist
CHECKLIST ON TEST OPERATION
CUSTOMER: ______________________
INSTALLER:
__________________________________
DATE: ___________________
OUTDOOR UNIT MODEL: __________________ OUTDOOR UNIT SERIAL NO.: ________________ INSPECTOR: __________________
Indoor unit
model
Indoor unit serial
number
Piping length: ________ m Additional refrigerant charge: ________ kg
(1) General
No. Check item Result
1
< Combination of base units >
Is the setting of DSW6 correct for the outdoor unit number?
2 Are the power source wire and the transmission wire separated from the refrigerant pipes?
3 Is the earth wire connected?
4 Is there any short-circuit?
5 Is there any voltage anomaly between each phase? (R-S, S-T, T-R)
(2) Refrigerant cycle
a. Operation (cooling/heating)
No. Check item Result
1 Start-up all the units ("TEST RUN" mode).
2 Start-up all the indoor units in HIGH speed.
3
In the case that the constant speed compressor is repeatedly turned ON and
OFF, turn off
the indoor unit (small capacity).
COOL
HIGH
A/C
RUN/STOP TEMP.
ALARM
(a)
(b)
7 Test run
141
SMGB0065 rev. 1 - 12/2010
7
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