SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)

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15.2.5 CHECKING COOLING CIRCUIT OPERATION
Description Value Positive Negative
1 Evaporation pressure
2 Evaporation temperature
3 Suction temperature
4 Overheating
5 Compression ratio
6 Discharge temperature
7 Condensation pressure
8 Condensation temperature
9 Desuperheating
10 Liquid temperature
11 Sub-cooling
15.2.6 CHECKING CORRECT COMPONENT OPERATION
Description Value Positive Negative
Fans
1 Check fan current consumption.
2 Check ow sensor operation.
3 Check reading of the dierential pressure probe (if present).
Compressors
1 Check the current absorbed by the compressor.
2 Check operation of the high pressure probe.
3 Check operation of the low pressure probe.
4 Check correct operation of the electronic expansion valve.
5 Check the water-cooled condenser condensation regulation.
Water circuit
1 Make sure the valves open.
2 Check the position of the valves.
3 Check the ow and temperature of the water entering and exiting the unit.
Electric coils
1 Check the current consumption of the electric coil.
2 Check correct operation of the electric coil.
Humidication
1 Check the current absorbed by the humidier.
2 Check correct operation of the humidier.
3 Make sure the water charges correctly.
4 Make sure the water discharges correctly.
Local network
1 Check correct operation of the LAN.
2 Check rotation of the unit in LAN.
Miscellaneous
1 Check correct operation of the dirty lter alarm.
2 Check correct operation of the water alarm.
3 Check correct operation of the smoke and ame detectors.
4 Ensure that the remote OFF is working.
5 Carry out a general check of the unit’s electrical components.