46 S4179705
10-3. 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 type code setting.
* The factory setting is as shown in the table
below. Check it doubly.
* The capacity code is set by S4 (green, 4P DIP
switch) on outdoor control PCB.
1110_C_
Outdoor control PCB
1
ON
ON side
OFF side
S3 (green) type code
(2P DIP switch)
2
1
ON
ON side
OFF side
S4 (green or blue) capacity code
(4P DIP switch)
2 3 4
Fig. 10-3
No. Outdoor PCB
Model No.
1234
24 type ON ON ON OFF
36 type OFF ON OFF ON
S4. Capacity code