Hitachi RAS-8FSXN - Page 357

12.7 Service and maintenance table through the 7-segment display
Customer’s name: _______________________________ Date: __________________
Outdoor unit model
(Serial number:
________________________)
RAS-
(Serial number: ________________________)
RAS-
(Serial number: ________________________)
1. Operation mode
2. Start time of test run
3. Start time of data collection
4. Reading the data on the 7-segment
display in the outdoor unit
4.1 Protection control code
4.2 Operation capacity
4.2.1 Total connection
capacity of the outdoor unit
oCP
4.2.2 Quantity of outdoor units
connected
oAA
4.2.3 Total connection
capacity of the indoor unit
iCP
4.2.4 Quantity of indoor units
connected
iAA
4.2.5 Refrigeration system
address
GA
4.2.6 Operation capacity of the
indoor units
oP
4.2.7 Total frequency Hz
4.2.8 Accumulated operation
time of the unit
UJ
4.3 Information of the outdoor
unit
4.3.1 Capacity of the outdoor
unit
CA
4.3.2 Outdoor unit
microcomputer output
SC
52C
1
52C
2
CH
1
CH
2
A
1
A
2
21
1
21
2
52C
1
52C
2
CH
1
CH
2
A
1
A
2
21
1
21
2
FAN 20B 20C 20F
1
20F
2
20CHG X
1
X
2
FAN 20B 20C 20F
1
20F
2
20CHG X
1
X
2
4.3.3 Inverter frequency H1
4.3.4 Quantity of compressors
running
CC
4.3.5 Step of the outdoor unit
fan
Fo
4.3.6 Outdoor unit expansion
valve opening
E1
Eb
4.3.7 Discharge pressure Pd
4.3.8 Suction pressure Ps
4.3.9 Outdoor temperature To
4.3.10 Discharge gas
temperature
Td1
Td2
4.3.11 Heat exchanger liquid
temperature
TE
4.3.12 Heat exchanger gas
temperature
TG
4.3.13 Automatic refrigerant
charge temperature
TCH
4.3.14 Gas bypass
temperature
TbG
4.3.15 Temperature in the
Inverter fin
TFi
4.3.16 Fan controller
temperature
TFF
4.3.17 Compressor running
current
A1
A2
4.3.18 Fan running current AF
4.3.19 Accumulated operation
time of compressor
UJ1
UJ2
12 Maintenance notes
355
SMGB0065 rev. 1 - 12/2010
12