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Operating Instructions - ET15
Operation Instructions
The control panel on the room unit is illustrated above
Revolve thermostat knob fully CLOCKWIsE to the number '8' position
Plug in the room unit mains cable, and switch on the electricity, red mains
light will illuminate.
select 'Fan Only' with the mode switch. The fan will start.
select 'Fan speed' with the fan speed switch, high or low depending on air
velocity required.
select 'Cooling' with the mode switch, and revolve the thermostat knob fully
ANTI-CLOCKWIsE to he number '1' position. After a delay of 10 mins the
green 'Cooling' light will illuminate and the machine will proceed to cool the air.
Monitor the room temperature and when it has reduced to the desired level, very
slowly revolve the thermostat knob back, clockwise until the green 'Cooling'
light goes out. The room unit will now control the room temperature cooling
automatically at this setting.
Routine Maintenance
The air filter must be kept clean, never allow to become choked with dust or dirt. If
allowed to do so, the performance of the unit will become impaired, resulting in loss of
air flow, freezing up the evaporator coil and possible component damage.
Accessing the Filter
On machines fitted with a hinged lower panel, open panel. The filter is located on
front of the evaporator. A second filter is fitted to the rear panel on all air cooled
machines (fig. 5 & 6).
The filter can be washed in warm, soapy water, rinsed and shaken dry before
replacement. Frequency of cleaning depends upon application and can only be
determined by the user. However, you should never allow more than two months
to elapse between cleaning. The probable life of the filter will be about one year
and spares are available from the supplier of the unit itself. Failure to have filter fitted
during operation will cause serious damage.
Problem
Likely Cause
Solution
No cooling
Amber 'ATTENTION' light
Condensate pump not reducing water level.
illuminated. High level
Kink in condensate tube between room unit
condensate trip.
and external heat exchanger?
Leak inside room unit. Pump filter inside
room unit blocked. Condensate tube frozen.
No cooling
Amber 'ATTENTION' light
ensure bottle fitted correctly.
illuminated. bottle fitted
switch trip.
No cooling
Amber 'CONTAINER FULL'
On machines without a removable
light illuminated. High level
bottle, as above. On machines with a
condensate trip.
bottle, remove container and replace
correctly.
To empty the condensate bottle:
Unscrew the 2 x thumb screws on the
front panel (fig. 2).
The front cover will hinge forward, giving
access to the container (fig. 3).
Empty the container, and carefully
replace (fig 4).
Ensure the drain pipe is fitted into the
container.
Click
Fitting the hot air exhaust
Fig.3
Fig.5
Fig. 5 - The filter is located on the rear of the unit, ensure it is kept clean.
Fig. 6 - And in the top of the hinged section, in front of the evaporator.
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Fig.2
Fig.4
Fig.6
Fig.1
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