Eaton-Williams Qualitair Technical Manual & Installation Procedures - page 6
PM CHASSIS UNIT MANUAL
:E\Manuals\Others\Qualitair\QPM\LG3298L/22QPMChassisUnit
Fresh Air Filter
The fresh air filter is situated behind fresh air
damper and can be removed by lifting the
damper and removing the filter from its
velcro strips.
Cleaning can be carried out by gently
vacuuming both faces.
Refit the clean filter in reverse order.
Coils
Periodically check both evaporator and
condenser coil fins for any blockages that
would prevent units correct operation, by
removing the unit’s top and front access
panels.
Care should be taken when removing the
front panel to gently lower the evaporator
fan assembly onto a rigid surface to allow
inspection of the air on face of the coil.
Cleaning can be carried out by gently
vacuuming both faces.
Condensate Drain
Check condensate drain from evaporator fan
assembly is clean and unblocked.
Electrical Chassis Component Layout
ELECTRICAL DETAILS
IMPORTANT
Before commencing any maintenance,
inspection or removal of unit, isolate the
unit at mains supply.
NB
When selector switch on front panel
is set at ‘OFF’ there is a 240v 1Ph
50Hz supply STILL present at the
heater connection to hold valve in
closed position.
Mode Running
Current
Fan Only
Cooling (Boost)
Heating (Boost)
0.5A
6.5A
1.0A
Maximum Starting
Current
32A
NOTE
If unit is fitted with auxiliary supply, NO
cooling functions are available during
operation on this supply.