North American HVAC MOC-12HFN1-MS0W, Service Manual

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Electrical Control Function
110 Electrical Control System
1.3.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto.
The auto fan:
For Console:
3.5
3
High
Low
1
Medium
1.5
For 2rd Ceiling-floor &Compact cassette &A5 Duct(12-18K), MUE-24HRFN1-MW& MTB-24HRFN1-MW.
MCD-24HRFN1-MW
4
3
High
Low
1
Medium
1.5
For other units:
5.0
4.0
High
Low
2.0
Medium
3.0
1.3.2.4 Evaporator low temperature T2 protection.
For 12K-18K units, MUE-24HRFN1-MW,MTB-24HRFN1-MW,MCD-24HRFN1-MW(Excluding
MCA2U-12HRFN1-M(B), MUBU-12HRFN1-M(B), MTBU-12HRDN1-M(B)) ：
---T2<0 ℃ , the compressor will stop and restart when T2 ≥ 5 ℃ .