42 WSAT-XEM
50.4-120.4
M0L240E16-01
8.13 Copeland scroll compressor
8.14 Insulations
Check the condition of the insulations: if necessary apply glue and and renew the seals.
8.15 System discharge
1. evacuate the system
2. open all drain valves in the low points of the unit hydraulic circuit
3. evacuate the exchanger, use all the cocks presents
4. use compressed air to blow the exchanger
5. dry completely the exchanger by an hot air jet; for greater safety fill the exchanger with glycoled solution
6. protect the exchanger from the air
7. remove the drain plugs to the pumps
Any anti-freeze liquid contained in the system should not be discharged freely as it is a pollutant.
It must be collected and reused.
Before starting a washing the plant.
Example
•
emptying pump
It’s recommended that the re-start after the stopping period is performed by a qualified technician, especially after seasonal stops or seasonal
switching.
When restarting, refer to what is indicated in the “start-up” section.
Schedule technical assistance in advance to avoid hitches and to guarantee that the system can be used when required.