Operation; Electrical Installation - Champion 3000RLD Owner's Manual

Operation

For the best cooling performance, if the pads are dry, pre-wet the
pads by running the pump for a few minutes before starting the
blower.
These coolers may be used without water for ventilation purposes.
When outside air is cool (for example, at night) or when humidity is
high, the water pump can be turned off.
A cooler can also be installed with a thermostat and attic exhaust
dampers to provide completely automatic operation.
Open Windows To Exhaust Air
An often misunderstood concept of evaporative cooling is the amount
of air that should be exhausted. How much should you open your
windows? The fact is that most people do not open their windows
enough. The following two methods will help you determine the
amount to open your windows.
CFM Method
You should allow an opening of at least 2 square feet (288 square
inches) for each 1000 CFM rating of your unit. Example: At 3466
CFM, model 4001 RLD2 with a 1/2 Hp requires 6.9 square feet (998
square inches) of opening (3466/1000 * 2 = 6.9). Multiply the
number of windows by window width in inches and divide this into
the number of square inches required for your size unit. This will give
you the height to open windows. In this example, four 36 inch wide
windows should be opened 6.9 inches each.
Champion Air Balancing Method
1. Take a piece of tissue paper and cut it lengthwise into 3 equal
strips.
2. Turn your cooler on high cool.
3. Open one window at least six inches wide in each room that you
want to cool.
4. Take the piece of tissue paper and put it up against the screen of
the open window furthest from the cooler discharge opening. Let
go of it. It will do one of three things.
IF It falls down.
THEN CLOSE all of the windows one inch and try step 4 again.
IF It plasters itself to the screen.
THEN OPEN all of the windows one inch and try step 4 again.
IF It stays on the screen lightly.
THEN PERFECT. You are done. Enjoy your cooler.
NOTES:
• When switching to low cool, you must rebalance your home. Re-
peat step 4.
• Once you balance your home you can cool some areas more than
others by opening those windows more and closing the others by
the same amount. Repeat step 4 to make sure your home is still air
balanced.
2
Installation
NOTE: The pump and float are installed in the cabinet. The belt is
shipped inside the cabinet and the motor pulley kit and motor are
shipped separately.
CAUTION:
Make sure that the mounting surface is strong
enough to support the operating weight of the cooler when in
use. (For operating weight, see Specification Table.)
CAUTION:
Never plug in cooler until installation is com-
plete and unit has been tested for rigidity.
Motor Installation
• Install motor cord. For typical 120V operation, connect motor
cord to motor using the following color code: Black - Hi, Red - Low,
White - Com., Green - Ground. (See Wiring Diagram).
• Mount motor. Install blower motor in the motor mount yokes,
adjusting the yoke if necessary. Fasten with the provided mounting
clips (see Fig. 1).
• Install pulley. Install the adjustable motor pulley so that it aligns
with the blower drive pulley (see Fig. 2) and tighten set screw.
Motor
Clips
Adjustable
Yoke
Fig. 1

Electrical Installation

WARNING:
Disconnect all electrical service that will be
used for this unit before you begin the installation.
• Remove junction box.
The electrical junction
box is located in the up-
per inside corner of the
cooler cabinet. Remove
the two screws and slide
cover down for access to
plug wiring (Fig. 3).
• Hook up electrical. Electrical hook up should be done by a quali-
fied electrician, so that all electrical wiring will conform to your
local standards. This unit is supplied with a 120V pump. For
240V pump operation, a 240V pump must be purchased. The fan
and pump receptacles will support both 120V and 240V installa-
tions. See the following wiring diagrams for 120V and 240V
installations.
IMPORTANT: When a single speed motor is used, do not use the
red lead on the receptacle and motor plug wiring. Tape off end of
both of the red leads.
WARNING:
Make sure that cooler cabinet is properly
grounded to a suitable ground connection for maximum safety.
Motor
Pulley
Blower
Blower
Housing
Pulley
Fig. 2
Junction Box
Screws
Fig. 3
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