System isolation – Scotsman EH330 C with ECC Condensing Unit ECC1200 User Manual
Page 47
EH330, EH430 and ECC Condensing Unit
Remote Low Side Cuber Service Manual
July 2013
Page 46
System Isolation
Note: If the condensing unit is operable, the head may be isolated from the condensing unit:
1. Attach suction line gauge to condensing unit ball valve access valve.
2. Unplug the liquid line solenoid valve (receiver inlet) coil.
3. Shut the system off at the head (push and hold the OFF button until it stops).
4. Close the Liquid line and Vapor line ball valves.
5. Push the head’s manual harvest button or connect 115 volt power to head’s vapor valve(s) and manually
operate the compressor contactor.
6. Close the suction line ball valve when suction pressure drops to zero PSIG.
7. Shut the system off. Refrigerant is isolated to the condensing unit.
Step 4: Close
This Valve
Step 4: Close
This Valve
Step 1: Attach gage.