
Page 23 of 25
in heating
B05
Outlet water temperature too lowi
n cooling or opening time
of return valve
5
℃
/
min
-19
~
15
When the unit is a hot water heater, this paramet
er is the opening time of the return valve.
This parameter is the protection value of outlet wa
ter temperature too low when it is a heating/coolin
g unit.
B06
Ambient temperature for antifree
ze protection
5
℃
0
~
21
Set to 21 to cancel this function
B07
Reserved
0
0
~
15
B08
Energy regulation: Emergency sta
rt return water differential tempera
ture
4
℃
0
~
15
B09
Energy regulation: Emergency sto
p return water differential tempera
ture
2
℃
0
~
6
b10
Energy regulation: Emergency sta
rt/stop cycle
30sec
10
~
90
b11
Energy regulation: Normal start/st
op cycle
3min
1
~
15
Parameter setting for defrost
H01
Cut-in Ambient Temp
15
℃
0
~
25
H02
Cut-in Evaporator Coil Temp
-3
℃
-19
~
5
H03
Cut-out Evaporator Coil Temp
16
℃
5
~
25
18
H04
Accumulated Time
– Ambient Te
mp
60min
20
~
120
H05
Run Time
8min
3
~
15
H06
EEV Opening
240
10
~
250
Value*2=number of pulses
H07
No Defrost Low Ambient Temp
-5
℃
-30
~
-5
Set to -5 to cancel this function
H08
Cut-in Low Ambient Temp
-6
℃
-30
~
30
H09
Difference between ambient and
evaporator coil temp 1
0
℃
0
~
30
H10
Difference between ambient and
evaporator coil temp 2
(
Low
)
0
℃
0
~
30
H11
Temperature condition for low am
bient defrost
-10
℃
-30
~
0
H12
Accumulated Time -Low Ambient
Temp
90min
10
~
250
Parameter setting of electronic expansion valve
L01
Mode selection of main circuit ele
ctronic expansion valve
1
0
~
1
0 [Manual]
、
1 [Auto]
L02
Mode selection of auxiliary circuit
electronic expansion valve
1
0
~
1
0 [Manual]
、
1 [Auto]
L03
Total steps of electronic expansio
n valve
240
230
~
25
4
(Value*2) The maximum steps of EEV, please set
according to the actual valve used