ECP
300
EXPERT STEPPER
Page
25
OPERATION AND MAINTENANCE MANUAL
Rev. 01-20
AU1
Auxiliary relay 1
configuration/Alarm
(output
with
free-voltage
contact)
-7 (NC) = Relay DO5 de-energised solenoid valve control
-6 (NC) = Relay de-energised in standby
-5 (NC) = Contact for sump resistance control (AUX relay
closed with compressor output not active). This output
remains active even when QE is in STANDBY MODE.
-4 (NC) = Pump down function (see ch. 5.29)
-3 (NC) = Automatic auxiliary relay managed by temperature
set StA with differential 2°C
-2 (NC) = Auxiliary manual relay controlled by AUX KEY
-1 (NC) = Alarm relay
0 = Relay off
1 (NO) = Alarm relay
2 (NO) = Auxiliary manual relay controlled by AUX KEY
3 (NO) = Automatic auxiliary relay managed by temperature
set StA with 2°C differential
4 (NO) = Pump down function (see ch. 5.29)
5 (NO) = Clean contact motorised condensing unit call (AUX
relay parallel to compressor).
6 (NO) = Relay energised in standby
7 (NO) = Relay DO5 energised by solenoid valve control
-1
AU2
Auxiliary relay 2
configuration
(output
with
free-voltage
contact)
As in AU1
7
Yr
Year setting
0...99
20
Mo
Month setting
1...12
1
dy
Day setting
1...31
1
Hr
Time setting
0...23
12
min
Minute setting
0...59
0
dEF
Default reset
Press all keys simultaneously for 30 seconds
to reset to factory settings.
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reL
Software release
read-only
read-only