Bosch BRBA-36HWD1N1-M18 - Diagnostics and Diagrams; 13.8 Parameter Point Check Table

26
|
Installation Instructions
Bosch 18 SEER2 Series Inverter Ducted Packaged Heat Pump - BTC 761703103 A (11.2022)
13.8 Parameter Point Check Table
 To display system parameters, press the “Check” button to index
through the series of parameters available. The first time you press
the “Check” button, it will display the sequence, and after 1 second it
will display the value of the parameter. If you press the “Check” button
again, it will display the next sequence. Refer to Figure 32 for check
button location on the control board.
Figure 31
Check
button
No. Point check content Example Remark
0 Outdoor unit capacity H3 H3=Heat pump 3 ton
1 Outdoor unit mode 2
0 standby
2 cooling
3 heating
2 Outdoor unit set compressor speed (Hz) 66
3 T3 (outdoor coil temp.) (°F)
4 T4 (outdoor ambient temp.) (°F)
5 T5 (compressor discharge temp.) (°F)
6 Th (compressor suction temp.) (°F)
7 T3L(Condenser outlet temp.) (°F)
8 Tf (module temp.) (°F )
9 Pe (evaporating pressure) (PSI) Low Suction Pressure
10 Pc (condensing pressure) (PSI) High Head Pressure
11 Tes ( target of the evaporating temp.) (only use for cooling mode) (°F)
12 Te (evaporating temp.) (°F)
13 Tcs target of the condensing temp. (only use for heatling mode) (°F)
14 Tc (condensing temp.) (°F)
15 Target of the compressor discharge superheat (only use for heating mode) (°F)
16 Compressor discharge superheat (°F)
17 Openings of EEV
18 Outdoor Fan speed
19 Compressor current (A)
20 Power AC voltage Input (V)
21 Compressor input dc voltage (V)
22 Continuous running time of the compressor (min)
23 Last Fault Code see Table 19
24 Software version
25 T1 (Return air temp) (°F) Only valid for 3T
26 T2 (Indoor coil temp) (°F) Only valid for 3T
27 Indoor blower motor speed Only valid for 3T
28 Ts (Estimated thermostat set point) (°F) Only valid for 3T
29 Remark"--"
Table 21
 Normal Status, last two digits will display under the following
conditions
i. Unit not operating (Standby Mode); “outdoor ambient
temperature”.
ii. Unit operating; displays “compressor operating frequency”.
 After 20 seconds on same parameter, the display will revert back to
normal status.
 If a system protection is active, first digit will display “status code”.
SW1 is not used. See Figure 31.