Advertisement
Overflow Standpipe and
DrainLineInstallation
1. Install overflow drainbushing in bottom of
cooler.
2. Screw overflow standpipeintodrainbushing and
tighten snugly toprevent leakage.
3. Sliderubber washeroverdrain bushing, push
drain bushing through bottom of cooler, a nd
tighten nut.
4. Connect ( copper/pvc/garden hose) todrain
bushing anddrain in accordance tolocalcodes
(seeFigure12).
ov_ow Sta,,dpi_,
ushing
._,_
Cooler Bottom
_
_k t_ut
tmUe.E12
ConnectWaterSupply
Awater valve shouldbeinstalled ata convenient
location toallowthewatersupply to beturned on
andoff (seeFigure14); 1/4"tubing is usedto
provide w ater tothe cooler. A water connector k it,
available from yourdealer, provides t henecessary
items.
1. Remove 7 /16"knock-out fromcorner leg.
2. Insert e ndoftubingthrough thisopening.
3. Placetubenutand ferrule o verendofinbtug.
4. Install floatvalve through bracket p rovided.
5. Insert tubeintofloatvalve andtighten to secure.
Note."Sofl waterequipmentshouldnot he
attachedto any waterlinesgoingto a cooler
"Soft w ater"willcausecorrosion and decrease
effectivelife ofa cooler
Bracket
Nut
V_
Nut
Loci VTasberFIGURE 13
Tubing From
InstallBleed-Off
Ableed-off s ystem has beenprovided with yourcooler,
Its purposeis toeliminate a smallquantity ofwaterfrom
recil'x'ulation; thisreduces scalebuild-up, T hisbleed-off
assembly merely requires i nserting the bleed-off hose
intothe pumpassembly and routingbleed-kne hose
throughstandpipe opening.
1. Install bleed-line into pump assemblybleed-offtap.
2. Route far end of bleed-line intostandpipe.
3. Install clampwithscrew on bleed-line.
4. Adjustscrew toobtain flow ratefor appropriate
model indicatedin tableat right.
Modeb
s_
_D330
RW3500
RW4000
S/D#30
RW4500
Sm430
R_5000
S0630
S/0630
_qllom Perl_
MmorW_ (P_mded)
Semtd**
1/3
i
24
14o
I/3
_6
95
1/2
42
80
l/2
_7
70
y¢
55
60
"Adjust clampso a 12-ouncebeveragecanfilled by bleed-offin this many wcond$.
Note:Bleedratemay degrade
slightly after
two weeksandshould
he checked two tofour weeksafter initialsettingand _ted
Adjusting W ater Leveland FloatValve
Fillreservoir as follows:
1. Turnwatersupply on.Checkforgood
pressure a ndflowfromfloatvalve.
2. When floatvalve shutsoff,checkwaterlevel.
Water levelshouldbe from1/2"to 1"below
topedge ofoverflow standpipe.
3. Turnon water and adjust float valve by
bending the rod (see Figure 15).
C2amPLiH__
with
BLEED-OFF KIT
GENERAL
INSPECTION
Start-Up Inspection
Before starting the coolermotorand pump to check
outoperation, makesureallinstallations and
adjustments h avebeenproperly and thoroughly
made.Assure that:
• Cooler mounting is level; duct is sealed.
• Cabinet is securely fastened to mounting.
• Cooler cabinet is grounded. Electrical
connections are safe and secure.
• Motor, pump, and float installed. Motor and
pump plugged into junction box (on window
models,theyarefactory-wired).
• Pump impeRer turns freely. Remove pump and
basket. Remove impeller cover (see illustration
on page 6) and spin the impeller to assure free
rotation.
• Water lines connected securely without leaks.
Water supply torned on.
• Float adjusted for proper water level.
• Blower, shaft, collar, and pulley set bolts are
snug (do not overtightco pulley bolt).
• Pulley alignment okay; belt tension okay (see
page 3 and 4 for instructions).
• Blower bearings are lubricated. Fill oil cup with
a good grade SAE 2OWor 3OWoiL
• Pads presoaked and correctly installed.
• MI free nspon fibers are removed from bottom
pan to prevent blockage of water distribution.
• Turn control switch to PUMPONLYposition.
Check to see that pump starts and that water
flows evenly through all distribution outlets.
Start-Up Check List
To check out installation, an initial start-up
procedure
should be followed:
1. _at
electrical supply on.
2. Turn control switch to PUMP ONLY position.
Chock to see that pomp starts aad pads use
evenly wet.
3. Open windows oryeatsin house.
4. Start blower by switching to COOL.
5. Check for cool air delivery. (Note: an aroma of
damp wood will be present during initial use of
new pads.)
In case of trouble in any of these steps,
refer
to the
Troublesheoting Chart on page Z
CabinetInspection CheckList
1. Check for leaks.
2. Chock to see that the cooler and troughs are
level.
3. Check cooler pads for uneven wetting or open
spots.
4. Check water level (see page 4).
5. Check water distribution system for full even
flow.
6. Make sure trough openings are unclogged.
7. Rotate blower wheel for free movement. Align
belt (see page 3).
8. Check belt tension and condition.
9. Chockthat set screws and nuts on pulleys,
blower wheel and collars are tighL
In case of trouble in any of these steps, refer to the
Troubleshooting Chart on page 7.
4 Evaporative
Cooler
Use and Care MaRual
Advertisement
