Troubleshooting; General Specifications - Champion MARQUIS 3000 DD Owner's Manual

PROBLEM
Failure to start or no air
delivery
Inadequate air
delivery with cooler
running
Inadequate cooling
Motor cycles on and
off
Noisy
Excessive humidity in
house
Musty or unpleasant
odor
Water draining onto
roof
GENERAL SPECIFICATIONS / ESPECIFICACIONES GERERALES
Weight (lbs.)
Peso (libras)
Model No.
Modelo
Dry*
Seco
3000 DD 125
4300 DD 170
4800 DD 171
5500 DD 222
6500 DD 226
* Includes motor weight / Incluye el peso del motor.
110503

TROUBLESHOOTING

POSSIBLE CAUSE
1. No electrical power to unit
• Fuse blown
• Circuit breaker tripped
• Electric cord unplugged or damaged
2. Belt too loose or tight
3. Motor overheated
• Belt too tight
• Blower bearings dry
• Motor pulley diameter too large
4. Motor locked
1. Insufficient air exhaust
2. Belt too loose
3. Pads plugged
4. Motor underloaded
1. Inadequate exhaust in house
2. Pads not wet
• Pads plugged
• Open spots in pads
• Trough holes clogged
• Pump not working properly
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. Bearings dry
2. Wheel rubbing blower housing
3. Loose parts
1. Inadequate exhaust
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. Float arm not adjusted properly
2. Overflow assembly leaking
Dimensiones De La Caja (pulgadas)
Operating Height
Lleno Altura
175 33 7/16
237 39 13/16
238 39 13/16
305 42 7/16
309 42 7/16
REMEDY
1. Check power
• Replace fuse
• Reset breaker
• Plug in cords or replace if damaged
2. Adjust belt tension
3. Determine cause of overheating
• Adjust belt tension
• Oil blower bearings
• Adjust pulley to correct diameter
4. Replace motor
1. Open windows or doors to increase air flow
2. Adjust belt tension or replace if needed
3. Replace pads
4. Adjust pulley to full load ampere rating of motor
1. Open windows or doors to increase air flow
2. Check water distribution system
• Replace pads
• Repack pads
• Clean trough and unplug holes
• Replace or clean pump (Unplug unit)
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
1. Oil bearings
2. Inspect and realign (Unplug unit)
3. Tighten loose parts
1. Open doors or windows
1. Drain pan and clean pads
2. Replace pads
3. Check water distribution system
• Clean
• Replace or clean pump (Unplug unit)
1. Adjust float
2. Tighten nut and overflow pipe.
Cabinet Dimensions (in.)
Width Depth
Anchura Profundidad
28 1/8 28 1/8
34 1/8 34 1/8
34 1/8 34 1/8
39
39
Duct Opening (in.)
Abertura De Ducto (pulgadas)
Width
Anchura
13 5/8
17 3/4
17 3/4
39 19 3/4
39 19 3/4
Height
Altura
13 5/8
17 3/4
17 3/4
19 3/4
19 3/4
5