WARNING: Electrical shock hazard

Before attempting maintenance of any kind

on the chiller, you must stop the unit; disconnect and lockout the main power supply.

You must shut down the chiller whenever you:

Change water or process hookups.

Shut down the process machine.

Run the unit’s diagnostic tests.

Perform routine or preventative maintenance.

See an alarm condition that requires troubleshooting.

Relocate, ship or store the unit.

To shut down the unit:

1 Press Stop .

2 Disconnect the power supply if you have shut down to service or repair the chiller.

STOPPING THE CHILLER

If you have shut down the chiller for relocation or storage, drain all fluid from the unit; disconnect the power supply; and disconnect all process and water connections. In ship- ment or storage, the chiller can withstand an environment between -40° F (-40° C) and 150° F (65° C) with 95% rela- tive humidity non-condensing.

The microKool must be running to use this feature.

1

Press the

 

button to turn on Pumpdown.

 

 

The green

Pumpdown light will flash, indicating the

 

feature is ready to start when needed.

 

When Pumpdown is needed, the compressor runs

occasionally to pump refrigerant to the condenser. When Pumpdown is running, the green light remains on but does not flash.

USING THE

PUMPDOWN

FEATURE

(PC-2 CONTROL ONLY)

2

Press the button again to turn off Pumpdown.

UGH004/0999

microKool Portable Chillers

OPERATION 4-7

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Conair MPW, MPA manual Stopping the Chiller, Using Pumpdown Feature, To shut down the unit Press Stop