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Upm Led Status Indicator (Blink Code) Information; Compressor Ohms - Bosch SM Split CS Series Installation, Operation And Maintenance Manual

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SM Split CS Series Heat Pump
UPM LED Status Indicator (Blink Code)
Information
The LED status indicator is found on the UPM
board. See Fig. 6 on page #16.
Indication
Color
Blinks
GREEN
Solid
RED
1
RED
2
RED
3
RED
4
RED
5
RED
6
Table 15
UPM LED Status Indications

Compressor Ohms

Model
Start Winding
SM024
1.64
SM036
1.52
SM048
1.86
SM060
1.63
Tolerance +/- 7%. All resistance values must be
measured with compressor at room temperature.
Table 16
Compressor Ohms
SM Split CS Series Heat Pump
Description
18–30 VAC power is present
High-pressure lockout
Low-pressure lockout
Freeze sensor lockout
Condensate overflow
Brownout
Evaporator Freeze condition
Run Winding
1.30
0.88
0.52
0.39
Subject to change without prior notice
Troubleshooting | 31
8733825873 (2020/05)

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Split cs sm024Split cs sm036Split cs sm048Split cs sm060