11-11
CONTROL SYSTEM
SM HDDHED 2-A.1 GB
11.14.2
Unit Operation in Test Mode
Compressor frequency will be set in the following ways:
Model
18
22
P0(Minimum capacity)
Cooling
15Hz
15Hz
Heating
15Hz
15Hz
P1(Norminal capacity)
Cooling
83Hz
83Hz
Heating
66Hz
75Hz
P2(Maximum capacity)
Cooling
100Hz
100Hz
Heating
96Hz
96Hz
P3(Medium capacity)
Cooling
34Hz
36Hz
Heating
33Hz
37Hz
IFAN speed can be adjusted during test mode.
11.15
Forced Mode (Compulsory operating function)
Entering into forced mode :
After the unit is powered for 5mins, press the light button on remote controller for 3 times in 3s
successively to enter into Freon recovery mode. Fo will be displayed. When Freon recovery mode
operated for 25mins, all loads will operate in cooling mode. (The setting fan speed is high fan speed
and the setting temperature is 16C )
Exiting forced mode:
Any signal from remote controller or button will exit the forced mode, and then the unit will operate
at the current setting command.
Forced mode will also be exited after operating for 25mins and then the unit will be turned off.
11.16
Characteristics of sensor
11.16.1
RAT / OAT
RAT/OAT R-T chart
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
Temperature(C)
R
esi
sta
nce
(Ko
hm)
