Hitachi RPI-0.8FSG1 Service Manual page 92

TROUBLESHOOTING
Compressor Pressure/Frequency Indication
Discharge Pressure
20
(High) (x 0.1 MPa)
Suction Pressure
21
(Low) (x 0.01 MPa)
22 Control Information
Operation
23
Frequency (Hz)
Indoor Unit Capacity Indication
24 Indoor Unit Capacity
25 Outdoor Unit Code
Refrigerant Cycle
26
Number
Refrigerant Cycle
27
Number
Expansion Opening Indication
Indoor Unit
28 Expansion Valve
Opening (%)
Outdoor Unit
29 Expansion Valve
MV1 Opening (%)
Outdoor Unit
30 Expansion Valve
MV2 Opening (%)
Outdoor Unit
31 Expansion Valve
MVB Opening (%)
Estimated Electric Current Indication
Compressor
32
Running Current (A)
Temperature Indication
1-82
n
Returns to Temperature Indication
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 two 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
08
10
13
14
16
18
20
22
26
32
40
64
80
"n" indicates total number of indoor units;
n = ~ ,
, , , , ,
(10) (11) (12) (13) (14) (15) (16)
J3: 01~16
(01: when shipment (DSW5), Decimal Indication)
J4: 00~0F
(00: when shipment (DSW5), Indication with 16 numbers)
In case of models without Expansion Valve (MV2),
the same figure is indicated.
FX Series Only
The total current is indicated when several
compressors are running.
In case of inverter compressor, the running current
of primary side of inverter is indicated.
0.8
1.0
1.3
1.5
1.8
2.0
2.3
2.5
2.8
3.0
4.0
5.0
8.0
10.0
,