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Press the “Inquiry” button 10 seconds, enter into the parameter setting state of the
administrative class
Parameter Instruction
Range
Default
Mark
P01
Back temp adjustment
1
‐
15
℃
3
℃
P02
Temp precision adjustment
‐
5
‐
15
℃
0
℃
P03
Heating water flow insufficient temp.
difference protection adjustment
5
‐
60
℃
15
℃
P04
Cooling water flow insufficient temp.
difference protection adjustment
5
‐
60
℃
12
℃
P05
Entering defrosting temp. adjustment
‐
5
‐
7
℃
‐
2
℃
P06
Defrosting end temp. adjustment
2
‐
25
℃
12
℃
P07
Defrosting interval time adjustment
20
‐
80 min
45min
P08
Defrosting running time adjustment
3
‐
15 min
6min
P09
Compressor exhaust protection temp.
adjustment
100
‐
125
℃
110
℃
P10
low pressure time set
1
‐
15min 5min
P11
low pressure environment temp.
adjustment
‐
10
‐
0
℃
‐
5
℃
P12
Over cool protection temp.
adjustment
1
‐
15
℃
5
℃
P13
Overheating protection temp.
adjustment
50
‐
85
℃
65
℃
P14
P12 and P13 unrecoverable
protection times adjustment 0
‐
5
0
‐
5
3
P50
Selecting of restart function when
outage
0[No] 1[Yes]
1
P51
Background light selecting of the
display screen
1[light 15s]
0[light
constantly]
1
Adjust
through
“up/down
” button