Trane TVR Pro CO Series Service Manual page 49

Table 5-2.5: System check (continued)
DSP1
content
34.-- Address of VIP indoor unit
35.-- Reserved
36.-- Reserved
37.-- Refrigerant quantity
38.-- Reserved
39.-- Power mode
40.-- Most recent error or protection code
-- --
Notes:
1. Outdoor unit capacity setting:
0: 8HP; 1: 10HP; 2: 12HP; 3: 14HP; 4: 16HP; 5: 18HP; 6: 20HP; 7: 22HP; 8: 24HP; 9: 26HP; A: 28HP; B: 30HP; C: 30HP.

2. Operating mode:
0: off; 2: cooling; 3: null; 4: forced cooling.

3. The fan speed index is related to the fan speed in rpm and can take any integer value in the range 1 (slowest) to 37 (fastest).
4. 480P: steps = value displayed × 4; 3000P: steps = value displayed × 24.
5. Silent mode:
0: night silent time 6h/10h; 1: night silent time 6h/12h; 2: night silent time 8h/10h; 3: night silent time 8h/12h; 4: no silent mode; 5: silent mode 1; 6:

silent mode 2; 7: silent mode 3; 8: super silent mode 1; 9: super silent mode 2; 10: super silent mode 3; 11: super silent mode 4.
6. Static pressure mode:
0: standard static pressure; 1: low static pressure; 2: medium static pressure; 3: high static pressure; 4: super high static pressure.

7. Refrigerant quantity:
0: normal; 1: slightly excessive; 2: significantly excessive; 3: slightly insufficient; 4: significantly insufficient; 5: critically insufficient.

8. Power mode:
0: 100% capacity output; 1: 90% capacity output; 2: 80% capacity output; 3: 70% capacity output; 4: 60% capacity output; 5: 50% capacity output; 6:

40% capacity output; 10: auto power save mode, 100% capacity output; 11: auto power save mode, 90% capacity output; 12: auto power save
mode, 80% capacity output; 13: auto power save mode, 70% capacity output; 14: auto power save mode, 60% capacity output; 15: auto power save
mode, 50% capacity output; 16: auto power save mode, 40% capacity output;
Digital display output
Table 5-2.6: Digital display output in different operating states
Outdoor unit state
Standby
For single
compressor units
Normal
operation For dual
compressor units
Error or protection
In menu mode
System check
Parameters displayed on DSP2
Parameters displayed on DSP1
Unit's address
--
Running speed of compressor A in
rotations per second
-- or placeholder
Refer to Table 5-2.3
Refer to Table 5-2.5
Parameters displayed on DSP2
The number of indoor
communication with the outdoor units
Running speed of the compressor in
rotations per second
Running speed of compressor B in
rotations per second
Error or protection code
Refer to Table 5-2.3
Refer to Table 5-2.5
48
Remarks
Refer to Note 7
Refer to Note 8
"--" is displayed if no error or protection events
have occurred since start-up
End
units in
DSP1
DSP2