50
13. Electrical Parameter
Parameter
Meaning
Scope
Default value
Remarks
A
Protection parameters
A03
Shutdown Ambient Temp.
-40.0~10.0
℃
-25
A04
Antifreeze Temp.
A22~10
4
A05
Antifreeze Temp. Difference
1.0~50.0
3
Non-zero
A06
Max. Exhaust Temp.
60.0~130.0
115
Non-zero
A11
Enable Low Pressure Sensor
0-Disable/1-Enable
[ 0-No/1-Yes]
1
0-Disable/1-Enable
A21
Ambient/Suction/Coil Sensor Type
0-5K/1-2K
0
0-5K/1-2K
A22
Min. Antifreeze Temp.
-20.0~10.0
4
A23
Min. Outlet Water Temp. Protect
-30~20
5
-30~20
A24
Excess Temp. Diff. Between Inlet and Outlet Temp.
0~30
9.5
0~30
A25
Minimum Evaporation Temp. of Cooling
-50~30
-10
-50 -30
A26
Refrigerant Type
0-R32/1-R290
0
0-R32/1-R290
A27
Temp. Diff. of Limiting Frequency
-20~20
℃
7
℃
A28
Temp. Diff. Between Outlet and DHW Temp.
-20~20
℃
7
℃
A29
Enable High Pressure Sensor
0-
【
NO
】
/1-
【
YES
】
0
H
System and protection parameters
H01
Enable Power-off Memory
0-
【
No
】
/1-
【
Yes
】
1
H05
Enable Cooling Function
0-
【
No
】
/1-
【
Yes
】
1
0-Disable/1-Enable
H07
Control Mode
0-
【
Display/Wire
Controller
】
/1-
【
Dry
Contact
】
0
H10
Unit Address
1~32
1
H18
Electric Heater Stage
1-
【
Stage1
】
/2-
【
Stage2
】
/3-
【
Stage3
】
3
1-Electric heating
energy level I
2-Electric heating
energy level II
3-Electric heating
energy level III
H20
3-Way Valve Polarity
0-
【
Hot Water-ON
】
/1-
【
Hot
Water-OFF
】
0
H21
Temperature Unit
0-
【℃】
/1-
【℉】
0
0-
℃
/1-°F
H22
Enable Silent Mode
0-
【
No
】
/1-
【
Yes
】
1
When H22=0, there
