Hitachi FSG Series, Technical Catalogue

Page: 399 / 424

TROUBLESHOOTING
18
/7
Compressor Pressure/Frequency Indication
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)
¯
Indoor Unit Capacity Indication
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
¯
Expansion Opening Indication
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
Outdoor Unit
Expansion Valve MVB
Opening (%)
¯
Estimated Electric Current Indication
P1 25
32
Compressor Running
Current (A)
¯
Returns to Temperature Indication
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 several 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=
~
'
,
)
,
>
,
+
,
@
,
-
,
.
,
7
(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
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
FX series only