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Holding time of Et4 steps at the start-up of the
Et 43
regulation in heat pump
Interval of updating the valve output in heat
Et 44
pump mode
Interval time for valve opening when a probe is
Et 45
damaged in heat pump mode
Valve opening percentage when a probe is
Et 46
damaged in heat pump mode
Low pressure alarm activation delay (LOP)
Et 47
High pressure alarm activation delay (MOP)
Et 48
High overheating alarm activation delay
Et 49
Low overheating alarm activation delay
Et 50
Et 51
PID proportional component in defrost
Number of steps the valve 1 has to move
Et 52
before compressor start-up.
For unipolar valves refer to the notes included
in paragraph 7.3.
Holding time of Et52 steps at the start-up of the
Et 53
defrost (valve 1)
Number of steps the valve 2 has to move
Et 54
before compressor start-up.
For unipolar valves refer to the notes included
in paragraph 7.3.
Holding time of Et52 steps at the start-up of the
Et 55
defrost (valve 2)
Increase or decrease opening percentage
Et 56
when the PID is saturated in cooling mode
Increase or decrease opening percentage
Et 57
when the PID is saturated in heating mode
Increase or decrease opening percentage
Et 58
when the PID is saturated in defrost
1592026260 IEV22-24D GB r.1.0 21.02.2019
MOP / LOP alarm
Defrost
Ec14 Ec13 Full steps
Ec23 Ec22 Full steps
PID saturation
IEV
1
250
Sec
0
120
Sec
0
250
Sec
0
100
%
0
250
Sec
0
250
Sec
0
250
Sec
0
250
Sec
0.0
50.0
°C
0
122
°F
0
250
Sec
0
250
Sec
0.1
5.0
%
0.1
5.0
%
0.1
5.0
%
10 Sec
10 Sec
dec
Int
47/60
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