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4. SERVICE PROCEDURES
(10) Items to Check Prior to Test Run
1) Turn on the power supply switch more
than 5 hours before in order to charge
the crank case heater.
2) Fully open the outdoor service valve after
making the leak inspection of field
connected tubing, vacuuming, and gas
charging if necessary.
3) Check the capacity code and model code
setting.
* The factory setting is as shown in the
table.
* The capacity code is set by S4 (green
or Blue 4P DIP switch) on outdoor
control PCB.
The model code is set by S5 (black, 2P
DIP switch) on outdoor control PCB.
S4 (green or Blue) capacity code
(4P DIP switch)
S4. Capacity code
No.
Model No.
1
250 type (1 phase)
ON
250 type (3 phase)
ON
360 type (3 phase) OFF
480 type (3 phase) OFF OFF
ON
ON side
1
2
3
4
OFF side
Outdoor PCB
2
3
4
ON
ON
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
Outdoor control PCB
S5 (black) model code
(2P DIP switch)
ON
ON side
1
2
OFF side
S5. Model code
No.
Model No.
250 type (1 phase)
250 type (3 phase)
360 type (3 phase)
480 type (3 phase)
108
–
–
0510_C_I
Outdoor PCB
1
2
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
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