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Service Manual
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
Number of Presses Display Remark
37 EXV open angle for A indoor unit
Actual data/4. If the value is higher than 99, the digital display shows
single and double digits. For example, if the digital display
shows “2.0", the EXV open angle is 120×4=480p.
38 EXV open angle for B indoor unit
39 EXV open angle for C indoor unit
40 EXV open angle for D indoor unit
41 EXV open angle for E indoor unit
42 Frequency limit symbol
Bit7 Frequency limit caused by IGBT radiator
The display value is a
hexidecimal number. For
example, the digital display
show 2A, then Bit5=1,
Bit3=1, and Bit1=1.
This means that a frequency
limit may be caused
by T4, T3, or the current.
Bit6 Frequency limit caused by PFC
Bit5 Frequency limit caused by T4
Bit4 Frequency limit caused by T2
Bit3 Frequency limit caused by T3
Bit2 Frequency limit caused by T5
Bit1 Frequency limit caused by current
Bit0 Frequency limit caused by voltage
43 Average value of T2 (Sum T2 value of all indoor units)/(number of indoor units in good connection)
44 Outdoor unit fan motor state
Off: 0, Super high speed:1, High speed:2, Med speed: 3,
Low speed: 4, Breeze:5, Super breeze: 6
45 The last error or protection code 00 means no malfunction and protection
46 F indoor unit capacity
47 F indoor unit capacity demand code
48 F indoor unit evaporator outlet temperature (T_2B F)
49 F indoor unit room temperature (T_1 F)
50 F indoor unit evaporator temperature (T_2 F)
51 EXV open angle for F indoor unit
52 Reason of stop
53 EVI valve target angle(only for 48K Hyper Heat System)
Actual data/4. If the value is higher than 99, the digital display tube
will show single digit and tens digit. For example, the digital display
tube show “2.0”,it means the EXV open angle is 120×4=480p.)
54 EVI valve open angle(only for 48K Hyper Heat System)
55 EVI valve angle(only for 48K Hyper Heat System)
Table 19
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