Checking List (Fsg And Fs3 Series) - Hitachi RPI-0.8FSG1 Service Manual

1.4.3 Checking List (FSG and FS3 Series)

CLIENT:
O.U. MODEL:
I.U.
Model
I.U.
Serial No.
I.U. Indoor Unit, O.U.: Outdoor Unit
Piping Length:
(1) General
No.
1
Was the dip switch, DSW6 for piping length in O.U. set?
2
Was the dip switch, DSW3 for piping lift in O.U. set?
3 Is the transmitting wire contacting to power lines?
4 Was an earth wire connected?
5
Is there any short circuit?
6 Is there any voltage abnormality among each phase (L1-L2, L2-L3,
L3-L1, L1-N)?
(2) Refrigerant Cycle
a. Operation (Cooling/Heating)
No.
1
Operate all the indoor units ("TEST RUN" mode).
2
Operate all the indoor units at "HIGH" speed.
3 In case that the constant compressor is turned ON and OFF repeatedly,
stop one indoor unit (small capacity one).
b. Sampling Data
No.
1
After the operation for more than 20 min.
2 Check Pd and Td. Is Td-SH 20 to 40 deg.?
(In Case of 24 and 30HP, Td-SH is 25 to 50 deg.)
Is Ps 0.2 to 0.5?
3
(In Case of 24 and 30HP, Ps is 0.2 to 0.6)
4
Is Pd 1.2 to 2.2? (If the outdoor temperature is high, Pd becomes high.)
CHECK LIST ON TEST OPERATION
INSTALLER:
O.U. Serial No.:
m Additional Refrigerant Charge:
Check Item
Check Item
Check Item
TROUBLESHOOTING
DATE:
Checker:
kg
Result
Result
Result
1-127