Service Manual Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units | 31
Bosch Thermotechnology Corp. | 08.2020
Data subject to change
8.4 Outdoor Unit Display
8.4.1 Outdoor Unit Point Check Function
A check switch is included on the outdoor PCB. Push SW1 to check the unit's status
while running. The digital display shows the following codes each time the SW1 is
pushed. See Tables 17 & 18.
Number of Presses Display Remark
0 Normal display Displays running frequency, running state, or malfunction code
1 Quantity of indoor units with working connection
Actual data
Display Number of indoor unit
11
22
33
44
2 Outdoor unit running mode code Off: 0, Fan only: 1, Cooling: 2, Heating: 3, Forced cooling: 4. Forced Defrost: A
3 Indoor unit A capacity
Current capacity/horse power
If the indoor unit is not connected,
the digital display shows the following: “ȋȋ”
(9K:1HP, 12K:1.2HP, 18K:1.5HP)
4 Indoor unit B capacity
5 Indoor unit C capacity
6 Indoor unit D capacity
7 Indoor unit E capacity
8 Indoor unit A capacity demand code
Norm code*HP
(9K: 1HP, 12K: 1.2HP, 18K: 1.5HP)
9 Indoor unit B capacity demand code
10 Indoor unit C capacity demand code
11 Indoor unit D capacity demand code
12 Indoor unit E capacity demand code
13 Outdoor unit amendatory capacity demand code ȋ
14
The frequency corresponding to the total indoor units'
amendatory capacity demand
ȋ
15 The frequency after the frequency limit
16 The frequency sent to compressor control chip
17 Indoor unit A evaporator outlet temperature (T
2BA)
If the temperature is lower than -9 °C, the digital display shows “-9.”
If the temperature is higher than 70 °C, the digital display shows “70.”
If the indoor unit is not connected, the digital display shows: “ȋȋ”
18 Indoor unit B evaporator outlet temperature (T2BB)
19 Indoor unit C evaporator outlet temperature (T2BC)
20 Indoor unit D evaporator outlet temperature (T
2BD)
21 Indoor unit E evaporator outlet temperature (T2BE)
Table 17
Figure 31
SW1
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