Hitachi RAS-10HRNM, Service Manual, Page: 299 / 482

Item
Item Indication data
Check
No.
Inidic. Indic Contents
Total capacity of indoor unit
connected
01 Cp 22 00~96 (00~80 in case of
≤
6 HP)
Input / output state of outdoor
micro-computer
02 sC ƒ=
Indicates only for the segments corresponding to the equipment in the figure. (See
figure above)
Alarm code for abnormal
stoppage of compressor
03
C 02
Alarm Code on Compressor
Inverter order frequency to
compressor
04
H1 90
0~115 (Hz)
In case that frequency is higher than 100 Hz, the last two digits flicker
Indoor order frequency to
compressor
05 H2 90
0~115 (Hz)
In case that Frequency is higher than 100 Hz, last two digits flicker
Air flow ratio 06 fo 80
00~100 (%)
In case that air flow ratio is 100%, “00” flashes
Outdoor unit expansion valve
opening
07
eo 50
00~100 (%)
In case that Expansion Valve Opening is 100%, “00” flashes
Temperature at the top of
compressor
08
ƒd 82
00~142 (ºC)
In case that temperature is higher than 100 ºC, the last two digits flash
Evaporating temperature at
heating
09
ƒE 3
-19~80 ºC
Ambient air temperature 10 ƒo 12 -19~80 ºC
Cause of stoppage at inverter 11 iƒ 9 (See table at the next page)
Inverter fin temperature 12 ƒf 82 -10~100 ºC
Inverter fin temperature 13 1 10 0~199 ºC
Inverter secondary current 14 2 10 00~199 (A)
Outdoor unit address 15 n 00 00~64
In case of twin/triple/quad-type unit, the
information of 2nd to the 4th indoor units
is indicated repeatedly.
The right character of the indication
represents the indoor unit setting no.
Single: A
Twin: A, b
Triple: A, b, c
Quad: A, b, c, d
Indoor unit expansion valve
opening
16
E 20
00~100 (%) In case that opening is 100%.
“00” flashes
Liquid pipe temperature of
indoor unit (freeze protection)
17
L 05
-19~127 (ºC)
Indoor unit intake air
temperature
18
i 28
-19~127 (ºC)
Indoor unit discharge air
temperature
19 o 20 -19~127 (ºC)
Cause of indoor unit stoppage 20 d 05 00~24 ºC
8 Troubleshooting
291
SMGB0060 rev. 1- 12/2010
8