SEELEY INTERNATIONAL
- SERVICE GUIDE
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45
SEASONAL MAINTENANCE
PROCEDURES AND CHECKS
cont
CLEANING
□ Drain and flush water reservoir.
□
Thoroughly clean all internal and external
surfaces removing dirt and mineral build-up.
□
Clean blower wheel, blower wheel/fan and
blades
□
Clean water probe sense points
□ Remove clean and check solenoid inlet filter
CONTROLS & OPERATION
□
Inspect and test wall control or remote
control in both Manual and Automatic
modes.
□
Test speed control and variation.
□
Test thermostat operation and control.
□
Check wall control or remote control display.
□
Check weatherseal operation.
□
Check motor “low speed” adjustment:
in all variable speed belt drive and axial
units LOW SPEED can be calibrated
by a potentiometer located in the main
control box. Motor low speed should be set
approximately 600RPM ( 1 belt revolution
per second)
Note!
This adjustment does not
apply to direct drive ICON units
CHECK YOUR LOCAL REGULATIONS:
□
In some areas and for some commercial
installations local regulations have specific
requirements for the maintenance of
evaporative air conditioning systems.
□
Generally these involve regular cleaning and
maintenance at (3) monthly intervals or more
frequently if necessary.
Warning
- Due to the risk of over-balancing at
a height, care must be taken to not “yank” or
force the pad frame off the cooler.
PAD FRAME ASSEMBLIES
□
Remove all pad frame assemblies.
□
Inspect pad media
□
Inspect pad-retaining components (pins,
clips, wire mesh etc) for damage or
corrosion and ensure they are correctly and
securely fitted.
Chillcel is generally stable and should not
require repositioning. These pads may also
be gently hosed to remove loose material,
however the Chillcel is fragile and care must
be taken when handling or hosing to prevent
damage. Visually inspect the flutes of the
Chillcel for signs of deterioration or restriction.
Replace pads as necessary.
WATER DISTRIBUTION SYSTEM
□
Inspect and clean water pump strainer
basket.
□
Inspect all water spreaders for correct
installation and security.
□
Inspect all water distribution tubes and joints
for security and leaks.
□
Inspect and test water pump operation.
□ Inspect and test float valve operation –
Check and adjust water level as required
□
Inspect and test drain operation
□
Ensure there are no water leaks either
internal or external from the cooler.
□
Remove and clean all water spreaders.
FAN MOTOR
□
Inspect fan motor and mounts for damage or
corrosion.
□
Inspect fan blades for damage.
□
Test fan shaft and motor bearings for correct
smooth operation.
ELECTRICAL
□
Inspect electrical connections within main
terminal box.
□
Inspect all electrical cables for damage and
security.
□
Inspect and test electrical isolation switch
located on main control box.
□
Check and record mains voltage.
