Trouble Shooting - Seeley Climate Wizard CW-P15 Installation Operation & Maintenance

TROUBLE SHOOTING

SYMPTOM CAUSE
Inadequate cooling Under-sized cooler.
Under-sized ducts.
Clogged or dirty cooling cores.
Dirty inlet air filter.
Dry cores or lack of water while cooler is
operating.
Insufficient air discharge openings or
inadequate exhaust from building, causing
high humidity and discomfort.
Excessive resistance from poorly located
exhaust air ducting.
Excessive ambient humidity (see also item
above re inadequate exhaust).
Noisy cooler Fan out of balance due to dirt, etc.
Air distribution system creating too much back
pressure, or changes of direction too sudden,
or diffusers too small.
Attenuator directing noise in wrong direction.
Pump fails to operate Circulation pump motor failure.
Fan fails to start. Main power circuit breaker tripped or fuse
blown.
Fan motor burned out.
Low system voltage.
Check fault condition via the wall control unit
or the tri-colour LED on cooler electronics
module.
Wall Control failed.
If the wall or remote control is in AUTO or
AUTO TIMER mode and no fan bars are
displayed the fan will not start.
Pump runs but no Insufficient water in reservoir.
water circulation or
Water hoses blocked.
Pump runs but pads
lack water
Pump cavitation plate blocked.
Continuous overflow Water Management probes adjustment not
of water. correct.
Water being blown Auto Drain Valve malfunctioning.
into the building
Supply drain plenum blocked.
Loose water hose connections.
Water hose broken.
Unpleasant odour Cooler located near source of unpleasant
odour.
Algae in tank water.
Pads remain wet after shut down.
Heavy core deposits.
Cooler cycles ON Fault in the cooler.
and OFF
BMS Control not Fault in the building BMS or the MagIQtouch
functioning MS1 BMS controller
ACTION
Replace with larger cooler.
Replace with larger ducts.
Replace core.
Replace or clean filter.
Check water distribution system for possible obstruction in hoses. Check
pump.
Make sure there is adequate provision for exhausting stale air from
building (open windows and doors).
Ensure exhaust air duct is clear of any obstruction.
On days during summer when ambient humidity is high the cooler will not
reduce the temperature as much as on drier days. There is no remedy.
Clean the fan.
Have contractor re-evaluate his design; use bends instead of elbows;
change grille sizes.
Attach attenuator to direct sound in a different direction.
Replace circulation pump.
Check cause of overload. Reset circuit breaker or replace fuse. Adjust
motor amp setting if necessary.
Replace motor.
Consult with power supply authority.
Rectify fault as indicated and restart the cooler.
Replace wall control.
Switch to MANUAL mode to check the fan operation.
Check probe cable plugged in fully, clean probes.
Check and clean out blockage.
Clean pump cavitation plate.
Check probe cable plugged in fully, clean probes.
Check and remedy function.
Un-block supply plenum drain.
Tighten connections.
Replace cracked or broken hoses.
Remove source of odour or relocate cooler.
Drain pan, clean thoroughly with strong cleansing agent, refill, change
pads.
Clean or replace chlorinators.
Run fan on "vent" for 3 hours after cooling cycle to dry pads out.
Replace cores.
Contact your Service Agent.
Refer to the building BMS system manual and/or the MagIQtouch MS1
BMS Installation and Operation manual supplied with the cooler, as
appropriate.
SEELEY INTERNATIONAL - INSTALLATION MANUAL CW-P15 859740-G |
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