CHAMPION N48 Owner's Manual

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Find Your CHAMPION Evaporative Cooler Parts - Select From 79 Models.

The CHAMPION N48 is a large, square, beige evaporative cooler unit with grilles on all sides.

Models

Circle the model of your cooler and record the serial number below.

Model Code
3000 DDN31D
3000 SDN30S
4001 DDN43/48D
4001 SDN40/45S
5000 DDN56/66D
5000 SDN55/65S

Serial #:

Número De Serie:

Safety Rules

  1. Read instructions carefully.
  2. Electrical hook up should be done by a qualified electrician, so that all electrical wiring will conform to your local standards.
  3. Always turn OFF POWER ? and UNPLUG motor and pump inside the cooler before installing or performing any maintenance.
  4. Your cooler will run on either 120V or 240V A.C., single phase, 60 Hz (cycle) current.
  5. Motor and pump have a grounded, molded plug and an automatic thermal overload switch which will shut motor off when it overheats. The motor will restart automatically when it cools down.
  6. Pump receptacle is for grounded evaporative cooler pump only. Do not plug anything else into receptacle.

⚠️ WARNING: To reduce the risk of fire or electric shock, do not use this fan with any "solid-state fan speed control device."

Evaporative Cooling

Evaporative cooling is nature's way of cooling. When air is moved over a wet surface, water is evaporated and heat is absorbed. When stepping out of a swimming pool with the wind blowing, evaporative cooling makes you feel cool, even though the air may be warm. The human body itself is cooled primarily by the evaporation of perspiration.

This unit works on the same principle. Air is drawn across wet filter pads where the air is cooled by evaporation and then circulated throughout the building. It is this combination of cooled air and the movement of air over the skin which makes it feel cool.

Unlike refrigeration systems which recirculate the air, an evaporative cooler continually brings in fresh air while exhausting old air. You are completely replacing the air every 2 to 4 minutes by opening windows or doors or a combination of both. The air is always fresh, not stale, laden with smoke and odors as happens with refrigerated air conditioning.

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 3654 CFM, model 4001 DD with a 1/2 hp motor requires 7.3 square feet (1052 square inches) of opening (3654/1000 * 2 = 7.3). 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 7.3 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:

Installation

NOTE: The pump comes installed. The belt, motor pulley, and motor cord and float are included in the cabinet, the motor is 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 complete and unit has been tested for rigidity.

Install Duct Adapters

If desired, a 4-piece duct adapter is available as an optional accessory. Call 1-800-643-8341 to obtain these from the factory. Align the holes in the duct adapter to the holes in the blower opening and attach using the provided screws (see Fig. 1). Repeat for all four sides. Note: All 4 pieces are identical except for models 5000SD & N55/65S which have an offset piece which attaches to the bottom of the outlet. To install this offset piece, remove the screws holding the cut-off plate and slide the offset duct adapter between the blower opening and the cut-off plate. You may need to loosen other screws to do this. Line up the holes and secure with the screws previously removed.

Fig. 1: Illustration showing how to attach a duct adapter using screws to the blower opening, with a cut-off plate.

Motor Installation

Electrical Installation

WARNING: Disconnect all electrical service that will be used for this unit before you begin the installation.

CAUTION: Pump receptacle is for grounded evaporative cooler pump only. Do not plug anything else into receptacle.

WARNING: Make sure the cooler cabinet is properly grounded to a suitable ground connection for maximum safety. ⚡

Wiring Diagrams

Fig. 5: Wiring diagrams for both 120 Volt and 240 Volt systems, illustrating pump and blower motor connections.

Water Connection

Bleed-Off System

Installation of the bleed-off kit is recommended to increase the life of the cooler. A bleed-off system is designed to prevent scale build up by continually removing a small percent of the water in the pan.

Amperage Draw And Belt Tension

This unit is equipped with an adjustable motor drive pulley for adjusting the blower wheel speed to the proper loading on different duct systems. It is important that the motor drive pulley is adjusted to correct size to assure maximum air delivery without damage to the motor. Be sure to follow these instructions carefully.

CAUTION: Do not operate cooler with larger amperage draw than specified on motor plate.

NOTE: No attempt should be made to completely install this unit without the aid of an electrician or someone familiar with testing amperage draw. Failure to comply with these instructions may void your warranty.

Maintenance

WARNING: Before doing any maintenance be sure power is off. ⚡ At the time you remove a pad frame be sure to unplug motor and pump. This is for your safety.

Spring Start-Up

WINTER SHUT DOWN

By following the operating, installation, and maintenance suggestions as outlined, you can get many years of efficient and satisfactory service from your cooler. In the event additional information is desired, your dealer will be more than glad to assist you in every possible way.

Troubleshooting

Problem Possible Cause Remedy
Failure to start or no air delivery 1. No electrical power to unit
• Fuse blown
• Circuit breaker tripped
• Electric cord unplugged or damaged
1. Check power
• Replace fuse
• Reset breaker
• Plug in cords or replace if damaged
2. Belt too loose or tight 2. Adjust belt tension
3. Motor overheated
• Belt too tight
• Blower bearings dry
• Motor pulley diameter too large
3. Determine cause of overheating
• Adjust belt tension
• Oil blower bearings
• Adjust pulley to correct diameter
4. Motor locked 4. Replace motor
Inadequate air delivery with cooler running 1. Insufficient air exhaust 1. Open windows or doors to increase air flow
2. Belt too loose 2. Adjust belt tension or replace if needed
3. Pads plugged 3. Replace pads
4. Motor underloaded 4. Adjust pulley to full load ampere rating of motor
Inadequate cooling 1. Inadequate exhaust in house 1. Open windows or doors to increase air flow
2. Pads not wet
• Pads plugged
• Open spots in pads
• Trough holes clogged
• Pump not working properly
2. Check water distribution system
• Replace pads
• Repack pads
• Clean trough and unplug holes
• Replace or clean pump (Unplug unit ?)
Motor cycles on and off 1. Low voltage
2. Excessive belt tension
3. Blower shaft tight or locked
4. Bearings dry
5. Motor pulley diameter too large causing motor overload
1. Check voltage
2. Adjust belt tension
3. Oil or replace bearings (Unplug unit ?)
4. Oil bearings
5. Adjust pulley so full load ampere rating of motor is not exceeded
Noisy 1. Bearings dry
2. Wheel rubbing blower housing
3. Loose parts
1. Oil bearings
2. Inspect and realign (Unplug unit ?)
3. Tighten loose parts
Musty or unpleasant odor 1. Stale or stagnate water in cooler
2. Pads mildewed or clogged
3. Pads not wetting properly
• Trough holes clogged
• Pump not working properly
1. Drain pan and clean pads
2. Replace pads
3. Check water distribution system
• Clean
• Replace or clean pump (Unplug unit ?)
Water draining onto roof 1. Float arm not adjusted properly
2. Overflow assembly leaking
1. Adjust float
2. Tighten nut and overflow pipe.
Excessive humidity in house 1. Inadequate exhaust 1. Open doors or windows

Replacement Parts List

When ordering parts, please be sure to furnish the following information on all orders. Failure to do so may delay your order.

  1. Cooler model number
  2. Cooler serial number
  3. Motor HP
  4. Description and part number
  5. Date of purchase
No. Description 3000 DD (N31D) 4001 DD (N43/48D) 5000 DD (N56/66D)
1.Top Pan222903-003220901-002220903-002
2.Bottom Pan322907-002320905-007320906-005
3.Louvered Side Assembly324006-303 (4)324007-105 (4)324008-303 (4)
4.Water Trough226003-001 (4)226003-002 (4)226003-003 (4)
5.Aspen Pads110091 (4)110098 (4)110092 (4)
6.Pad Retainers3PW-3 (12)3PW-5 (12)3PW-6 (16)
7.Corner Post, With Float Hole224003-008224003-034224003-025
8.Corner Post, No Float Hole224003-026 (2)224003-035 (2)224003-010 (2)
9.Corner Post, For Pump Mount224003-038224003-039224003-040
10.Cut-Off Plate224002-001224004-002224004-003
11.Blower Housing324106-202324107-007324111-001
12.Blower Wheel12BW16BW20BW
13.Shaft, Blower Wheel110182110183110183
14.Bearings, Blower Wheel Shaft110351 (2)110351 (2)110351 (2)
15.Pulley, Blower Wheel110274110275110276
16.Drive Belt110211110215110214
17.Motor***
18.Pulley, Motor110277110278110278
19.Motor Mount314003-002314003-004314003-008
20.Motor Mount Clip Set314005-001314005-001314005-001
21.Electrical Cord, Motor (115V)110364110364110364
21.Electrical Cord, Motor (230V)110372-2110372-2110372-2
22.Float ValveFL-CFL-CFL-C
23.Pump Mount218001-030218001-031218001-031
24.Pump Screen281001-001281001-001281001-001
25.Pump110436110436110436
26.Pump Retainer110714110714110714
27.Air Baffle224112-001-224108-003
28.Float Bracket216001-003216001-003216001-003
29.Tube, Water Delivery310716310716310716
30.Over Flow Assembly3OA-13OA-13OA-1
31.Water Distributor Assembly3D-43D-53D-6
32.Holder, Water Distributor110574 (4)110574 (8)110574 (8)
33.Electrical Junction Box320106-002320106-002320106-002
34.Receptacle, Motor110393110393110393
35.Receptacle, Pump110361110361110361
36.Bearing Mount, Right-214114-003214114-003
37.Bearing Mount, Left-214114-001214114-001
38.Motor Mount Support, Right-214114-004214114-004
39.Motor Mount Support, Left-214114-002214114-002
40.Channel Retainer Support-218114-001 (2)218114-001 (2)
41.Bleed-Off Kit310586310586310586

* See motor specification table. / Vea la tabla de especificaciones del motor.

† 230V motor cord is optional and not supplied with cooler. / Cable eléctrico del motor de 230V es opcional y no se envía con el enfriador.

NOTE: Standard hardware items may be purchased from your local hardware store. NOTA: Artículos de uso corriente pueden comprarse en la ferretería de su localidad.

Parts Drawing & Specifications

Parts Drawing 1: Exploded view of CHAMPION 3000DD, 4001DD, 5000DD models (N31D, 43/48D, 56/66D).
Model No.
Modelo
HP
C.V.
Weight (lbs.)
Peso (libras)
Cabinet Dimensions (in.)
Dimensiones De La Caja (pulgadas)
Duct Opening (in.)
Abertura De Ducto (pulgadas)
*Dry
Seco
*Operating
Lleno
Height
Altura
Width
Anchura
Depth
Profundidad
Width
Anchura
Height
Altura
3000DD & N31D1/312517533 7/1628 1/828 1/813 5/813 5/8
4001DD & N43/48D1/316523234 1/234 1/834 1/817 3/417 3/4
1/2166233
5000DD & N56/66D1/222230542 7/16393919 3/419 3/4
3/4226309
3000SD & N30S1/311619333 7/1628 1/828 1/813 5/813 5/8
4001SD & N40/45S1/315426834 1/234 1/834 1/817 3/417 3/4
1/2155269
5000SD & N55/65S1/220435342 7/16393919 3/419 3/4
3/4208357

* Includes motor weight / Incluye el peso del motor.

Parts Drawing 2: Exploded view of CHAMPION 3000SD, 4001SD, 5000SD models (N30S, N40/45S, N55/65S), focusing on motor and blower assembly.
Model No.
Modelo
HP
C.V.
Motor Part #
Motor - N°
Speed
Velocidad
Volts
Voltios
**Amperage
Amperaje
*Motor Pulley Part #
Polea Del Motor - N°
Drive Belt Part #
Correa - N°
3000DD, N31D,
3000SD & N30S
1/3110444
110445
1
2
1157.2110277110211 (4L-450)
4001DD, N43/48D,
4001SD & N40/45S
1/3
1/2
110444
110445
110446
110447
1
2
1
2
1157.2
9.8
110278110215 (4L-560)
5000DD, N56/66D,
5000SD & N55/65S
1/2
3/4
110446
110447
110448
110449
1
2
1
2
1159.8
13.8
110278(DD, D) 110214 (4L-690)
(SD, S) 110213 (4L-670)

* 1/2" Bore x Adjustable O.D. / Taladro de 1/2 pulgadas x Diámetro Externo Ajustable.

** Amperage shown is from National Electric Code. Use motor nameplate for more accurate amp reading. / El amperaje listado es del código eléctrico nacional. Utilice el amperaje indicado en la place del motor para un amperaje más exacto.

Limited Warranty

This warranty is extended to the original purchaser of an evaporative cooler installed and used under normal conditions. It does not cover damages incurred through accident, neglect, or abuse by the owner. We do not authorize any person or representative to assume for us any other or different liability in connection with this product.

Terms And Conditions Of The Warranty

For Eight Years from date of Purchase, we will replace the original base assembly if water leakage should occur due to rust out.

For One Year from date of Purchase, we will replace any original component provided by Champion Cooler which fails due to any defect in material or factory workmanship only.

Exclusions From The Warranty

We are not responsible for replacement of cooler pads. These are disposable components and should be replaced periodically. We are not responsible for any incidental or consequential damage resulting from any malfunction.

We are not responsible for any damage received from the use of water softeners, chemicals, descale material, plastic wrap, or if a motor of a higher horsepower than what is shown on the serial plate is used in the unit.

We are not responsible for the cost of service calls to diagnose cause of trouble, or labor charge to repair and/or replace parts.

How To Obtain Service Under This Warranty

Contact the Dealer where you purchased the evaporative cooler. If for any reason you are not satisfied with the response from the dealer, contact the Customer Service Department: 5800 Murray Street, Little Rock, Arkansas 72209. 1-800-643-8341. E-mail: info@championcooler.com.

This limited warranty applies to original purchaser only.

Models: N31D, N30S, N43-48D, N40-45S, N56-66D, N55-65S, N48 Evaporative Cooler, N48, Evaporative Cooler, Cooler

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