Hitachi FSG1 Series Technical Catalogue page 403

Checking item
5 Air flow ratio
Outdoor Expansion
6
Valve MV1 Opening
Outdoor Expansion
7
Valve MV2 Opening
(For 16 to 30HP FSG1 and 8 to 30 FXG(1))
Outdoor Expansion
8
Valve MV3 Opening
(For 24, 30HP FSG1 and 30 FXG1)
Outdoor Expansion
9
Valve MVB Opening
(For 24, 30HP FSG1 and 8 to 30 FXG(1))
Discharge Pressure
10
(High)
11 Suction Pressure (Low)
Discharge Gas Temp. on
12 the Top of Compressor
MC1 (TD1)
Discharge Gas Temp. on
13 the Top of Compressor
MC2 (TD2)
(For 8 to 30HP)
Discharge Gas Temp. on
14 the Top of Compressor
MC3 (TD3)
(For 16 to 30HP)
Discharge Gas Temp. on
15 the Top of Compressor
MC4 (TD4)
(For 20 to 30HP)
Evaporating
16 Temperature 1 at
Heating
Evaporating
17 Temperature 2 at
Heating
(For 16 to 30HP)
from previous page
¯
PSW3
. o
PSW2
PSW3
o E 1
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PSW3
o E 2
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o E 3
PSW2
PSW3
o E b
PSW2
PSW3
P d
PSW2
PSW3
P 5
PSW2
PSW3
‚ d 1
PSW2
PSW3
‚ d 2
PSW2
PSW3
‚ d 3
PSW2
PSW3
‚ d 4
PSW2
PSW3
‚ E 1
PSW2
PSW3
‚ E 2
PSW2
to next page
PSW2
Checking contents
1 6
PSW3
PSW2
3 8
PSW3
PSW2
3 8
PSW3
PSW2
3 8
PSW3
PSW2
1 0
PSW3
PSW2
1 8
.
PSW3
PSW2
0 3 4
.
PSW3
PSW2
0 = Open Circuited , 255 = Short - circuited
1 0 0
PSW3
PSW2
0 = Open Circuited , 255 = Short - circuited
9 0
PSW3
PSW2
0 = Open Circuited , 255 = Short - circuited
1 0 0
PSW3
PSW2
0 = Open Circuited , 255 = Short - circuited
9 0
PSW3
PSW2
-127 = Open Circuited , 127 = Short - circuited
6
PSW3
PSW2
-127 = Open Circuited , 127 = Short - circuited
6
PSW3
TROUBLESHOOTING
18
0 16
~
0 100
~
0 100
~
0 100
~
0 100
~
0.0 3.0
~ (MPa)
0.09 0.99
~ (MPa)
1 142
~
1 142
~
1 142
~
1 142
~
-42 88
~
-42 80
~
/11
(%)
(%)
(%)
(%)
(°C)
(°C)
(°C)
(°C)
(°C)
(°C)