Marstair A2LSYSTEMATCH SMC 15 Technical Manual page 17

Probe S2:
A
0= user defined
2= CAREL NTC- HT high
0 to 10V external signal
4=
A Auxiliary control:
0= user defined
1= Disabled
2= high condensing temperature protection on S3 probe
3= modulating thermostat on S4 probe
4= backup probes on S3 and S4
5, 6, 7 = Reserved
8= Subcooling measurement
9= Inverse high condensation temperature protection on S3 probe
10= Reserved
Relay configuration:
A
1= Disabled
2= alarm relay (opened in case of alarm)
3= Solenoid valve relay (open in standby)
4= valve + alarm relay (opened in stand-by and control alarms)
5= Reversed alarm relay (closed in case of alarm)
6= Valve status relay (open if valve closed)
7= Direct command
8= Faulty closure alarm relay (opened if alarm)
9= Reverse faulty closure alarm relay (closed if alarm)
DI2 configuration:
A
1= Disabled
2= valve regulation optimization after defrost
3= Battery alarm management
4= Valve forced open (at 100%)
5= Regulation start/stop
6= Regulation backup
7= Regulation security
Display main var. 1:
C
1= Valve opening
2= Valve position
3= Current cool. capacity
4= Control set point
5= Superheat
6= Suction temperature
7= Evaporation temperature 19= S2 probe measurement
8= Evaporation pressure 20= S3 probe measurement
9= Condensing temperature 21= S4 probe measurement
10= Condensing pressure 22= 4-20 mA input value
11= Modulating thermostat 23= 0-10 V input value
temperature
12= EPR pressure
C Display main var. 2 (See display main var. 1)
1= NTC CAREL
3= combined NTC SPKP**T0
5= NTC – LT CAREL low temperature
13= Hot gas bypass pressure
14= Hot gas bypass temperature
15= CO gas cooler outlet temperature
2
16= CO gas cooler outlet pressure
2
17= CO gas cooler pressure set point
2
18= S1 probe measurement
1 = CAREL -
NTC
Disabled -
5 =Reversed -
alarm relay
(closed in
case of
alarm)
Disabled -
Superheat -
Valve opening -
17
55008432-02
- - I 17 144
- - I 18 145
- - I 12 139
- - I 10 137
- - I 45 172
- - I 46 173