Bosch Climate 5000 Series Service Manual page 27

7.3.6 Compressor Current Limit Protection
The temperature interval for the current limit is the same as the range of the T4
frequency limit.
Cooling mode:
50
49
45
44
41
40
33
32
CoolReturnI The difference between current limit and shutdown current
CoolT4Zone5I Cooling T4 50
CoolT4Zone4I Cooling 49 T4 45
CoolT4Zone3l Cooling 44 T4 41
CoolT4Zone2l Cooling 40 T4 33
Cooling 32 T4
CoolT4Zone1l
Cooling stop protection current value
CoolStopI
Figure 23
Heating mode:
For other models:
HeatReturnI The difference between current limit and shutdown current
HeatT4Zone4I Heating T4 15
HeatT4Zone3I Heating 14 T4 10
HeatT4Zone2l Heating 9 T4
HeatT4Zone1l Heating 5 T4
Heating stop protection current
HeatStopl
Figure 24
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
current limit value
current limit value
current limit value
current limit value
current limit value
current limit value
current limit value
6 current limit value
current limit value
For Max Performance 36K and 48K, and Regular 48K Systems:
T4/°C
15
14
10
9
6
5
-4
-5
-9
-10
HeatReturnI The difference between current limit and shutdown current
HeatT4Zone4I Heating T4 15
HeatT4Zone3I Heating 14 T4 10
HeatT4Zone2l Heating 9 T4
HeatT4Zone1l Heating 5 T4
Heating -5 T4≥-9 current limit value
HeatT4Zone0I
HeatT4Zone-1I Heating -10
HeatStopI Heating stop protection current value
Figure 25
7.3.7 Indoor / Outdoor Units Communication Protection
If the indoor units do not receive the feedback signal from the outdoor units for 2
consecutive minutes, the unit stops. The unit displays the failure code.
7.3.8 High Condenser Coil Temp. Protection
T3
Decrease
Hold
Resume
Figure 26
Service Manual
HeatT4Zone4I
HeatT4Zone3I
HeatT4Zone2I
HeatT4Zone1I
HeatT4Zone0I
HeatT4Zone-1I
current limit value
current limit value
6 current limit value
current limit value
T4 current limit value
Off
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