Hitachi FSG1 Series Technical Catalogue page 404

TROUBLESHOOTING
18
/12
Checking item
Evaporating
18 Temperature 3 at
Heating
(For 24, 30HP)
Ambient Air Temperature
19
(TO)
Estimated Running
20 Current of Compressor
MC1
Estimated Running
21 Current of Compressor
MC2
(For 8 to 30HP)
Estimated Running
22 Current of Compressor
MC3
(For 16 to 30HP)
Estimated Running
23 Current of Compressor
MC4
(For 20 to 30HP)
(No, 0 Unit)
Indoor Unit
Expansion ~
24
Valve Opening
(No. F Unit)
Note 1
(Indicates only the units number connected)
(No, 0 Unit)
Indoor Unit
Heat Exchanger
Liquid Pipe Temp.
~
25
(Freeze protection)
(No. F Unit)
Note 1
(Indicates only the units number connected)
(No, 0 Unit)
Indoor Unit
Heat Exchanger
~
26
Gas Pipe Temp.
(No. F Unit)
Note 1
(Indicates only the units number connected)
from previous page
¯
PSW3
‚ E 3
PSW2
PSW3
‚ o
PSW2
PSW3
A 1
PSW2
PSW3
A 2
PSW2
PSW3
A 3
PSW2
PSW3
A 4
PSW2
PSW3
† E 0
PSW2
~
PSW3
† E .
PSW2
PSW3
‚ L 0
PSW2
~
PSW3
‚ L .
PSW2
PSW3
‚ 0
PSW2
~
PSW3
‚  .
PSW2
to next page
PSW2
-127 = Open Circuited , 127 = Short - circuited
6
PSW3
PSW2
-127 = Open Circuited , 127 = Short - circuited
3 5
PSW3
PSW2
Indicates running current of primary side of inverter
1 0
PSW3
PSW2
1 2
PSW3
PSW2
1 3
PSW3
PSW2
1 2
PSW3
PSW2
1 2
PSW3
PSW2
1 0
PSW3
PSW2
1 2
PSW3
PSW2
1 2
PSW3
PSW2
1 7
PSW3
PSW2
1 7
PSW3
-42 80
~
-42 80
~
000 255
~
000 255
~
000 255
~
000 255
~
No. 0 Unit)
0 100
~
No. F Unit)
0 100
~
No. 0 Unit)
-62 127
~
No. F Unit)
-62 127
~
No. 0 Unit)
-62 127
~
No. F Unit)
-62 127
~
(°C)
(°C)
(A)
(A)
(A)
(A)
(%)
(%)
(°C)
(°C)
(°C)
(°C)