Conair Portable Chillers Series 1Water-Cooled (W1) and Air-Cooled Models (A1) withTIC Control

MECHANICAL

CONDITIONS

CONT’D

Alarm Possible cause Solution

Low Suction Pressure (pump is running and com- pressor is off)

No or low flow with a	❏ Check To Process and From
failed flow switch and	Process valves to see if they
RTD.	are open.
	❏ Check Flow switch and
	RTD. Replace as needed.
Compressor suction valve	Open valve.
is closed.
No load on the Chiller.	Check process load for
	required load. Chiller may be
	oversized.
The Evaporator is fouled.	Clean Evaporator. See
	Cleaning the Evaporator or
	Water-cooled Condenser, in the
	Maintenance section.

The Evaporator is frozen.	❏ Check RTD; Replace as
	needed.
	❏ Check minimum allowable
	setpoint for percent glycol
	used.
There is a refrigerant	Check for oil in chiller cabinet
leak.	and bubbles in refrigerant site
	glass. Consult Conair Service
	for repair.
The pressure switch is	See Checking Pressure
	Switches, in the
faulty.	Troubleshooting section.

UGH016/0500 Series 1 Portable Chillers, TIC Control TROUBLESHOOTING 6-13