Carrier 42QHC024D8S Series Service Manual

5
Setting fan
speed
Actual fan speed
H+(H+=H+G)
A H（=H）
B
C
M+(M+=M+Z)
D M(M=M)
E
F
L+(L+=L+D)
G L(L=L)
H
I
T1-Td ℃(°F)
L
L-(L-=L-D)
H
H-（H-=H-G)
M
M-(M-=M-Z)
The auto fan acts as below rules:
a
b
c
d
T1-Td
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
8.4.2.3 Evaporator low temperature T2 protection
For all models: When T2<4℃ for 250s or T2<0℃ , the indoor has no capacity demand and resume till
T2>8℃
8.4.3 Dry mode
8.4.3.1 Indoor fan speed is fixed at breeze and can’t be changed. The louver angle is the same as in cooling
mode.
8.4.3.2 Low indoor room temperature protection
In drying mode, if room temperature is lower than 10℃, the indoor fan will stop and not resume until room
temperature exceeds 12℃.
784.3.3 Evaporator anti-freezing protection and condenser high temperature protection are active and the
same as that in cooling mode.
8.4.3.4 The outdoor fan operates the same as in cooling mode.
8.4.4 Heating mode
8.4.4.1 Outdoor fan running rules

Carrier 42QHC024D8S Series Specifications

General

Brand	Carrier
Model	42QHC024D8S Series
Category	Air Conditioner
Language	English