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GENERAL INFORMATION
END OF SEASON MAINTENANCE
At the end of each season, carry out the following steps-
1.
Isolate the power to the air conditioner which will be located in the meter box. An internal isolator
is located on the electrical box inside the unit.
2.
Turn off the water supply to the unit.
3.
Remove the lid and pads. Carry the pads to the ground and gently hose down both sides of the
pads to remove any dust or pollen.
4.
Gently but thoroughly clean the base of the unit. A mild detergent may be used, but no solvent
type product which may react with the polymer.
5.
Replace the lid and ensure that it is securely fastened.
6.
In areas where winter temperatures go below freezing the filter is to be drained of water at the end
of the summer season.
RELIEF AIR
An evaporative air conditioner operates on one very important principle. Large amounts of fresh air
displace warm stale air through doors, windows and security vents. If the system is unable to expel the
fresh air, the area will become pressurised and the fan motor will automatically begin to "coast" and it's
effectiveness will be reduced. COOL AIR IN - WARM AIR OUT. A very simple principle.
It is also possible to regulate cooling through this principle. By closing the window of an unused room,
the air will exit through the door channelling the air to other rooms. It is usual to install outlets away
from windows. Opening a window will allow the air to pass through the room and cool it. By closing all
windows and opening the door, the air will exit directly through the door.
For persons not wishing to leave doors and windows open, particularly at night, a relief vent may be
fitted. This is a grille usually situated in the ceiling with a self closing mechanism. When the air
conditioner is operating the vents will be forced open by the air pressure. This has the added
advantage of cooling the roof space. During hot days, the relief vent will be unable to maintain
adequate air relief and it will be necessary to open additional doors and windows. During the evenings
when the temperature reduces, the relief vent should be sufficient. If the timer is set to switch the
system on, ensure there is adequate relief air.
Allow approximately 1.0 sqm of relief air for each 60 units of model number. For example allow 4.0m
for a model 240. The model number of your unit may not exactly match one of the following. Choose
the one nearest. Use the table below as a guide.
The fan speed increases when a door is opened and increases the relief air.
Model
90
Opening m²
1.5
100
125
165
1.5
2.0
3.0
200
220
230
3.5
3.5
4.0
240
255
260
4.0
4.5
4.5
2
400
500
6.5
8.5