Calorex ACT-7, Быстрый старт

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ACT-7 QUICK START GUIDE
QUICK START GUIDE
Troubleshooting
Only a competent electrician should attempt to rectify electrical supply problems
.
Only a competent refrigeration engineer should work on th e refrigeration system
.
Symptoms Possible causes Action required
No air fl ow from room unit, display
off . Problem with th e power
supply. Turn on electricity and/or check mains supply fuse.
No air fl ow from room unit, display
on and showing temperature. Mode switch in standby
position. Change th e position of th e mode switch to fan only
or A/C.
No air fl ow from room unit, display
on, defrost and A/C symbols
showing. ACT-7 is defrosting. Machine in defrost mode, do not adjust anyth ing,
machine will revert to normal operation aft er ten
minutes.
Insuffi cient air fl ow from room unit. Blocked air fi lter. Clean fi lter.
Insuffi cient air fl ow from room unit.
A/C indicator on, defrost symbol
showing. Temperature set too high. Lower th e temperature and wait six minutes for time
delay on start-up to elapse.
Insuffi cient air fl ow from room unit. Fan speed dial set to minimum. Change th e position of th e fan speed dial.
No cooling. HP alarm showing. High
pressure trip.
No water or kinked hoses.
Insuffi cient water.
External heat exchanger unit
mounted in very high ambient
temperature?
Water frozen?
Reset alarm as described in resetting alarms section
on page 8.
Top up th e ACT-7 room unit header tank with water/
glycol mixture.
Add glycol (33%) as shown on page 5.
No cooling. Flashing bucket full symbol.
Condensate pump not
reducing water level.
Check th e lines for kinks and remove th em. Check th e
room unit for leaks. Check to see if th e condensate
tube is frozen.
No cooling. LP alarm showing. Low
pressure trip.
Loss of refrigerant.
Blocked fi lter.
Reset alarm as described in resetting alarms section
on page 8.
Check th e fi lter and clean if necessary as shown on
page 13.
HP/LP faults. Recurring high pressure and low pressure faults may
indicate th at th ere is an underlying problem th at needs
investigating. Contact th e supplier of th e ACT-7 to
arrange for servicing.