110498-2
7
GENERAL SPECIFICATIONS
MODELS
WEIGHT (lbs) CABINET DIMENSIONS (in.) DUCT OPENING (in.)
DRY OPERATING HEIGHT WEIGHT DEPTH WIDTH HEIGHT
51 Series 177 227 28 42 45 17-3/4 17-3/4
5112 Series 190 257 28 42 49 17-3/4 17-3/4
71 Series 213 263 34-5/8 42 48 19-3/8 19-3/4
7112 Series 233 300 34-5/8 42 52 19-3/4 19-3/4
*Includes motor weight
MOTOR SPECIFICATIONS
MODELS H.P
MOTOR PN
SPEED VOLTS *AMPS
WEIGHT (LBS)
MOTOR PULLEY P/N
MODEL DRIVE BELT P/N
51 & 5112
Series
1/3 110445 2 115 7.2 17 110279-002
ADA51 &
ADA5112
110208 (4L-520)
110229 (4L-530) -3/4 HP
1/2 110447 2 115 9.8 18 110279-004
1/2 110475 2 230 4.9 15 110279-004
ASA51 &
ASA5112
110212 (4L-570)
3/4 110449 2 115 13.8 22 110279-004
3/4 110480 2 230 16.9 21 110279-004
AUA51 &
AUA5112
110222 (4L-510)
71 & 7112
Series
1/2 110447 2 115 9.8 18 110279-002
ADA71 &
ADA7112
110230 (4L-640)
1/2 110475 2 230 4.9 15
110279-002
3/4 110449 2 115 13.8 22 110279-004
ASA71 &
ASA7112
110213 (4L-670)
3/4 110480 2 230 6.9 21 110279-004
1 110471 2 115 16 29 110279-003
AUA71 &
AUA7112
110213 (4L-670)
1 110458 2 230 8 29 110279-003
* Amperage shown is from National Electrical Code for high speed.
TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE REMEDY
Failure to start or no air delivery
1. No electrical power to unit 1. Check Power
• Blown Fuse or Tripped Circuit Breaker
• Electrical cord damage
• Replace fuse or reset breaker
• Replace Cord
2. Belt too loose or too tight 2. Adjust belt tension
3. Motor overheated 3. Determine cause of overheating
• Belt too tight
• Blower bearings dry
• Motor pulley diameter too large
• Adjust pulley tension
• Oil blower bearings
• Adjust pulley to correct diameter
4. Motor locked 4. Replace motor
Inadequate air delivery with cooler running
1. Insuffi cient air exhaust 1. Open doors or widows to increase air fl ow
2. Belt too loose 2. Adjust belt tension or replace if needed
3. Pads plugged/dirty 3. Clean pads
4. Motor underloaded 4. Adjust pulley
Water draining onto roof
1. Float arm not adjusted properly 1. Adjust fl oat
2. Overfl ow assembly leaking 2. Tighten nut and overfl ow pipe
Musty or unpleasant odor 1. Stale or stagnate water in cooler 1. Drain pan and clean pads
Motor cycles on and off
1. Low voltage 1. Check voltage
2. Excessive belt tension 2. Adjust belt tension
3.
Blower shaft and tight or locked
3. Unplug unit and oil or replace bearings
4. Bearings dry 4. Oil bearings
5.
Motor pulley diameter too large ,
causing motor overload
5. Adjust pulley so full load ampere
rating of motor is not exceeded.
Noisy
1. Bearings dry 1. Oil bearings
2. Wheel rubbing blower housing 2. Unplug unit, inspect and realign
3. Loose parts 3. Tighten loose parts
Inadequate cooling
1. Inadequate exhaust in house
1. Open windows or doors to increase air fl ow
2. Pads not wet 2. Check water distribution system
• Pads clogged
• Distribution tube holes clogged
• Pump not working properly
• Clean pads
• Clean tube holes
• Unplug and replace or clean pump
Excessive humidity in house 1. Insuffi cent air exhaust 1. Open doors or windows
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