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en
<Request Code list>
* The Request code 150 – 152 data is the information for the indoor unit to which the controller is connected.
Request
code
Request content
Description (Display range)
Unit
Remarks
0
Operation state
Refer to "Operation mode"
–
1
Compressor - Operating current (rms)
0 – 50
A
2
Compressor - Accumulated operating time
0 – 9999
10 hours
3
Compressor - Number of operation times
0 – 9999
100 times
4
Discharge temperature (TH4)
3 – 217
˚C
5
Outdoor unit - Liquid pipe 1 temperature (TH3)
-40 – 90
˚C
7
Outdoor unit - 2 phase pipe temperature (TH6)
-39 – 88
˚C
9
Outdoor unit - Outside air temperature (TH7)
-39 – 88
˚C
10
Outdoor unit - Heatsink temperature (TH8)
-40 – 200
˚C
12
Discharge superheat (SHd)
0 – 255
˚C
13
Sub - cool (SC)
0 – 130
˚C
16
Compressor - Operating frequency
0 – 255
Hz
18
Outdoor unit - Fan output step
0 – 10
Step
22
LEV (A) opening
0 – 500
Pulses
30
Indoor unit - Setting temperature
17 – 30
˚C
31
Indoor unit - Intake air temperature
<Measured by thermostat>
8 – 39
˚C
37
Indoor unit - Liquid pipe temperature (Unit No.1)
-39 – 88
˚C
"0" is displayed if
the target unit is
not present
38
Indoor unit - Liquid pipe temperature (Unit No.2)
-39 – 88
˚C
39
Indoor unit - Liquid pipe temperature (Unit No.3)
-39 – 88
˚C
40
Indoor unit - Liquid pipe temperature (Unit No.4)
-39 – 88
˚C
42
Indoor unit - Cond./ Eva. pipe temperature (Unit No.1)
-39 – 88
˚C
43
Indoor unit - Cond./ Eva. pipe temperature (Unit No.2)
-39 – 88
˚C
44
Indoor unit - Cond./ Eva. pipe temperature (Unit No.3)
-39 – 88
˚C
45
Indoor unit - Cond./ Eva. pipe temperature (Unit No.4)
-39 – 88
˚C
100
Outdoor unit - Error postponement history 1 (latest)
Displays postponement code
("--" is displayed if no postpone-
ment code is present)
Code
103
Error history 1 (latest)
Displays error history
("--" is displayed if no history is
present)
Code
104
Error history 2 (Second to last)
Displays error history
("--" is displayed if no history is
present)
Code
107
Operation mode at time of error
Displayed in the same way as
request code "0"
–
150
Indoor - Actual intake air temperature
-39 – 88
˚C
151
Indoor - Liquid pipe temperature
-39 – 88
˚C
152
Indoor - 2 phase pipe temperature
-39 – 88
˚C
8. Easy maintenance function
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