![background image](http://html1.mh-extra.com/html/carrier/38hvm109303p/38hvm109303p_service-manual_2560676033.webp)
33
Auto fan running rules:
For MS11M-09HRFN1-MW0W,
MS11M-12HRFN1-MV0W,
MS11M-18HRFN1-MU0W models:
a
b
c
d
5.0
4.0
2.5
1.0
6.0
T 1-Ts
e
H
(H-L )*0.75+L
(H-L )*0.5 +L
(H-L )*0.25+L
L
For MS11M-24HRFN1-MT0W model:
28
27
High
Low
25
Medium
25.5
8.4.2.4 Condenser temperature protection
---55
<T3<60
, the compressor frequency will decreas
℃
℃
e to the lower level until to F1 and then runs
at F1.If T3<54
, the compressor will keep running at the current frequency.
℃
---T3<52
, the compressor will not limit the frequency and resume to the former frequency.
℃
---T3>60
for 5 seconds, the compressor wi
℃
ll stop until T3<52
.
℃
8.4.2.5 Evaporator temperature protection
Summary of Contents for 38HVM109303P
Page 13: ...13 5 2 Outdoor Unit MOC 09HFN1 MW0W MOC 12HFN1 MV0W MOF 18HFN1 MU0W...
Page 14: ...14 MOG 24HFN1 MT0W...
Page 29: ...29 If T4 5 or the compressor starts running the preheating function will stop...
Page 47: ...47 9 2 2 Indoor outdoor units communication error diagnosis and solution E1...
Page 48: ...48 9 2 3 Fan speed has been out of control diagnosis and solution E3 E7...
Page 50: ...50 9 2 4 Open circuit or short circuit of temperature sensors diagnosis and solution E5 E6...
Page 51: ...51 9 2 5 IPM malfunction or IGBT over strong current protection diagnosis and solution P0...
Page 52: ...52 9 2 6 Over voltage or over low voltage protection diagnosis and solution P1...
Page 54: ...54 9 2 9 Inverter compressor drive error diagnosis and solution P4...