Hitachi FS3 Series, Service Manual

Page: 73 / 240

1
TROUBLESHOOTING
65
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HI 18
20
Discharge Pressure
(High) (X 0.1 MPa)
”
H2 04
21
Suction Pressure
(Low) (X 0.01 MPa)
”
H3 44
22 Control Information
”
H4 44
23
Operation Frequency
(Hz)
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J1 08
24 Indoor Unit Capacity
”
J2 F
n
25 Outdoor Unit Code
”
J3 01
26
Refrigerant Cycle
Number
”
J4 00
27
Refrigerant Cycle
Number
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L1 20
28
Indoor Unit Expansion
Valve Opening (%)
”
L2 gg
29
Outdoor Unit
Expansion Valve MV1
Opening (%)
”
L3 gg
30
Outdoor Unit
Expansion Valve MV2
Opening (%)
”
L4 00
31 Control Information
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P1 25
32
Compressor Running
Current (A)
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Returns to Temperature Indication
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This is an indication for internal information for the remote
control switch. This does not have any specific meaning.
The total frequency is indicated when plural compressors are
running
The capacity of the Indoor Unit is indicated as shown in the
table below.
Capacity Code of Indoor Unit
Indication Code Equivalent Capacity (HP)
06 0.8
08 1.0
10 1.3
13 1.5
14 1.8
16 2.0
18 2.3
20 2.5
22 2.8
26 3.0
32 4.0
40 5.0
"n" indicates total number of Indoor Units;
n=
1
~
9
,
A
,
b
,
C
,
d
,
E
,
F
,
U
(10) (11) (12) (13) (14) (15) (16)
J3: 01 ~ 16 (01: of shipment (DSW5),
Decimal indication)
J4: 00 ~ 0F (00: of shipment (DSW5),
Indication with 16 numbers Hexadecimal indication)
In case of models without Expansion Valve (MV2),
the same figure is indicated
The total current is indicated when plural
compressors are running.
In case of inverter compressor, the running current
of primary side of inverter is indicated