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17.5 Protection
17.5.1 Three minutes delay at restart for compressor.
17.5.2 Temperature protection of compressor discharge.
When the compressor discharge temp. is getting higher, the running frequency will be limited as below rules:
T 5
C o m p res so r o ff
F req u e n c y lim it
N o rm a l
F req u e n cy ho ldin g
17.5.3 Low voltage protection
V O L T A G E
N o lim it
V O L T_ LT M _ F R E Q 1 _ A D D
V O L T_ LT M _ F R E Q 2 _ A D D
Note: if the low voltage protection occurs and not resumes within 3min, it will keep the protection always
after restart the machine.
17.5.4 Compressor current limit protection
Temperature interval.of current limit is same as range of T4 limited frequency.
Cooling mode:
T4
CoolZone5
CoolZone4
CoolZone3
CoolZone2
CoolZone1
Heating mode:
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