Trouble Shooting - Seeley Breezair EXH Series Installation And Operating Instructions Manual

PROBLEM
T
f-
\_Inadequate Cooling
PROBABLECAUSE SUGGESTED REMEDY
T T
\\ // _\ //-
,_ Under-sized cooler, iJm\ Replace with larger cooler. ,
f-
' Under-sized ducts.
'11" Replace with larger ducts.
/' ,\
i Clogged ordirtycooling pads. m Clean orreplace pads. i_
\_ /' \ /
,/ 'paSs-8r iask8twater whiie ...... ,/CheSkwaterd s{ri6u}on s s{em fSr\,,
cooler is operating.
I possible obstruction in hoses.
Check pump.
// '\ /
/...................................................................... \, /..................................... \,
" Insufficient air discharge openings., /' Make sure there is adequate
,,
or inadequate exhaust from I provision for exhausting stale air
building, causing high humidity and from building (open windows and /
".,\ d iscomfort. J doors). / ......
/ .... \ / \
.... E xcessive resistance from poorly ")m!' Remove backdraft damper and :_
.... ,, located backdraft damper. .\ substitute manual slide damper.
.... /On days 8urin summer
w en"
/ Excessive ambient humidity (see .
also item above re inadequate ambient humidity is high the cooler
exhaust). _ will not reduce the temperature as
/ t, much as on drier days. There is no
.... remedy except to shut off the pump.
'\ / '_,, /,/
, _ , ,,
Noisy cooler. Ill Fan out of balance due to dirt. etc. m Clean the fan.
j'_ ,\ ...........................................................................................................................................................................................................................
/
'k
/'
/ , \ /
...... Air distribution system creating too , /' Have contractor re-evaluate his
' much back pressure, or changes of
design;
bends instead
of
use
direction too sudden, or grilles too ,,'r"- elbows; change grille sizes.
small.
\\ J'
f
Pump fails to operate. Pump circuit breaker tripped.
.... !rot / Check pump for faults. Replace if
, :\ necessary.
/ \ /- -\
i Pump motor failure, m Replace pump.
\
J \ j'
/ \ /
\
/ ....... \
', ,," .... " Check cause of overload. Reset .
Fan fails to start, i Mainpowercircuitbreakertrippedor II circuit breaker or replace fuse.'
/ fuseblown. :: Adjust motor amp setting if
' " necessary.
/ ,
/ \ / / '\ /'
Low system voltage.
Consult with power supply authority.
f _ f ................................................................................................................................................................................ \
Check fault condition via the tri- 'm Rectify faultas indicated and restart
colour LED on electronic module, the cooler. (Refer Pg. 15-16)
/
/
_,ontrollerfafled. _ Replace controller.
/ \ .