Page 32
User, Installations and Maintenance Manual
Parameter Description
Range
Default
Notes
P49
Threshold on inlet temperature for evaporator
EC or AC with double speed blower speed
setting
10÷40°C
25°C
Modifiable
P50
Antifreeze lower water temperature setpoint 0÷15°C
12°C
Modifiable
P51
Evaporator EC blower higher speed setpoint
60÷100%
90%
Modifiable
P52
Evaporator EC blower lower speed setpoint
10÷60%
50%
Modifiable
P53
EC evaporator fan defrost speed setpoint
0÷100%
50%
Modifiable
P54
Low pressure switch bypass time
1÷240 min
1
Modifiable
P55
Band 1 evaporator temperature proportional
regulation
1÷20°C
4°C
Modifiable
P56
Differential temperature with activation of
maximum speed
P57÷20°C
2°C
Modifiable
P57
Differential temperature with deactivation of
maximum speed
1°C÷P56
1°C
Modifiable
P58
Use of the evaporator fan with the compressor
off
0 = OFF
1 = ON with manual speed control
2 = ON with automatic speed control
0
Modifiable
P59
Evaporator fan speed (EC) with compressor off
0÷100%
40%
Modifiable
P60
Temperature difference 1 of evaporation of the
air for the calculation of the setpoint
1÷25°C
4°C
Modifiable
P61
Temperature difference 2 of evaporation of the
air for the calculation of the setpoint
1÷25°C
2°C
Modifiable
P62
Temperature difference 3 of evaporation of the
air for the calculation of the setpoint
1÷25°C
6°C
Modifiable
P63
Temperature difference 4 of evaporation of the
air for the calculation of the setpoint
1÷25°C
3°C
Modifiable
P64
Temperature difference 5 of evaporation of the
air for the calculation of the setpoint
1÷25°C
10°C
Modifiable
P65
Temperature difference 6 of evaporation of the
air for the calculation of the setpoint
1÷25°C
18°C
Modifiable
P66
Band 2 evaporator temperature proportional
regulation
1÷20°C
2°C
Modifiable
P67
Band 3 evaporator temperature proportional
regulation
1÷20°C
9°C
Modifiable
P68
Band 4 evaporator temperature proportional
regulation
1÷20°C
5°C
Modifiable
P69
Band 5 evaporator temperature proportional
regulation
1÷20°C
10°C
Modifiable
P70
Band 6 evaporator temperature proportional
regulation
1÷20°C
5°C
Modifiable
P71
EC evaporator fan speed reduction for silent
mode
0÷40%
15%
Modifiable
P72
EC fan speed regulator gain
1÷100
5
Modifiable
(1) = NOT USABLE FOR THIS DEVICE
(2) = ONLY FOR MODELS “EKHHEU200PCV37, EKHHEU260PCV37”