Mitsubishi Electric EHST20C-VM6HB Service Manual page 76

11-8. Request code list
Certain indoor/outdoor combinations do not have the request code function; therefore, no request codes are displayed.
Refer to indoor unit service manual for how to use the controllers and request codes for indoor unit.
Request content
Operation state
0
1 Compressor-Operating current (rms)
Compressor-Accumulated operating time
2
Compressor-Number of operation times
3
4 Discharge temperature (TH4)
5 Outdoor unit -Liquid pipe 1 temperature (TH3)
6
Outdoor unit-2-phase pipe temperature (TH6)
7
8
9 Outdoor unit-Outside air temperature (TH7)
Outdoor unit-Heat sink temperature (TH8)
10
11
12 Discharge superheat (SHd)
Sub-cool (SC)
13
14 Condensing temperature (T
63HS
15
16 Compressor-Operating frequency
17 Compressor-Target operating frequency
Outdoor unit-Fan output step
18
Outdoor unit-Fan 1 speed
19
(Only for air conditioners with DC fan motor)
Outdoor unit-Fan 2 speed
20
(Only for air conditioners with DC fan motor)
21
LEV (A) opening
22
23 LEV (B) opening
24
Primary current
25
26 DC bus voltage
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Thermostat ON operating time
48
49
OCH533D
Refer to 11-8-1. Detail Contents in Request Code.
0–50
0–9999
0–9999
3–217
−40–90
−39–88
−39–88
−40–200
0–255
0–130
) −39–88
0–255
0–255
0–10
0–9999
0–9999
0–500
0–500
0–50
180–370
0–999
Description
Unit
(Display range)
–
A
10 hours
100 times
:
:
:
:
:
:
:
:
Hz
Hz
Step
rpm
rpm
Pulses
Pulses
A
V
Minutes
76
Remarks
"0" is displayed if the air conditioner is a single-fan
type.