Page 88 / 100 Technical Notice V1.0 / 01.09
12 Options
12.15.3 Breakdowns
Activation of the LP section
- Gas leakage, insufficient gas quantities
✔ Find the origin of the leakage(s).
Check and reconnect the circuit.
Activation of the HP section
- Fouled heat exchanger
✔ Clean the heat exchanger and air filters (if fitted).
- Ambient temperature is too high (above the manufacturer's specified limit).
- - Insufficient free space around the unit.
- - Faulty exhaust fan.
12.16 Timer (T)
12.16.1 Description of the option
The timer (programmable clock) makes it possible to stop the unit outside of its normal operating hours
and restart it if necessary.
12.16.2 Maintenance
No special maintenance procedures.
12.16.3 Breakdowns
No special breakdown procedures.
12.17 Electric valve and solenoid (W)
12.17.1 Description of the option
The valve controlled by the solenoid makes it possible to avoid the reservoir overflowing when the ma-
chine stops. It is necessary when the unit is located at a height below that of the machinery being cooled.
12.17.2 Maintenance
No special maintenance procedures.
12.17.3 Breakdowns
- Reservoir overflow
✔ Check the solenoid and valve.