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Dual Inlet Model Specifications

MD/MS/MU628 Dimensions

Media Section Model #1 Required DM080 DM120
Cabinet(HxWxD) 51.5" x 83-1/8" x 49-1/8" 51.5" x 91-1/8" x 49-1/8"
Duct Location (AxBxCxE) 31-3/4"x 17-3/4" x 15-1/4" x 8-3/4" 31-3/4"x 17-3/4" x 15-1/4" x 8-3/4"
Drain Location* (FxG) 13" x 13-3/8" 13" x 17-3/8"
Media Cabinet (J) 17" 21"
Blower Cabinet (K) 49-1/8" 49-1/8"
Water Service Loc.** 7-1/4"L x 12-3/8"M 7-1/4" x 16-3/8"
Electric Service Loc.*** 18"S x 35-1/2"T 22" x 35-1/2"
Blower Wheel (Dia.xWxShaft) 28" x 28" x 1-3/16" 28" x 28" x 1-3/16"
Blower Pulley Pitch Dia. 18" 18"
Skid Loc.(NxPxYxQxR) 19" x 1-5/8" x 2" x 4" x 2-1/2" 23" x 1-5/8" x 2" x 4" x 2-1/2"
Media Dimension (XxV) 44-5/8" x 48" 44-5/8" x 48"
Pad Area sq ft 14.8 14.8
  * Drain is 3/4" male hose thread.
** Water service can be left or right for 1/4" tubing.
*** 7/8" knockout for running electrical service.

Front View

Side View
Top View

Electrical Specifications
HP Speed Phase Voltage Amps NEMA Frame Shaft Dia. MasterCool Motor Kit#
3/4 1 1 115/230 13.8/6.9 56 5/8 EJ006
3/4 2 1 230 6.9 56 5/8 EJ020
3/4 1 3 208-230/460 3.1-2.8/1.4 56 5/8 EJ883
1 1 1 115/230 16/8 56 5/8 EJ007
1 2 1 230 8 56 5/8 EJ021
1 1 3 208-230/460 4.0-3.6/1.8 143T 7/8 EJ665
1-1/2 1 1 115/230 20/10 56 7/8 EJ212
1-1/2 1 3 208-230/460 5.7-5.2/2.6 143T 7/8 EJ666
2 1 1 115/230 24/12 56 7/8 EJ213
2 1 3 208-230/460 7.5-6.8/3.4 143T 7/8 EJ667
3 1 3 208-230/460 10.6-9.6/4.8 182T 1-1/8 EJ668
5 1 3 208-230/460 16.7-15.2/7.6 184T 1-1/8 EJ659
7-1/2 1 3 208-230/460 24.2-22/11 213T 1-3/8 EJ675
  • Amperage from National Electric Code. See nameplate on actual motor for amperage in figuring overload protector.
  • Single phase motors rated 230 volts can be operated at nameplate amps at 208 volts.
  • All 3-phase motors listed are suitable for use on evaporative coolers at 200 volts.

Pump Specifications
Pump Model # Volts Amps Watts GPH
EP280 115 1.2 80 300
EP480 230 .6 80 300
Bleed Rates(GPH per Media Module)
Blower Model Blower Motor HP
3/4 1 1.5 2 3 5 7.5
MD/MS/MU628 - 11 13 14 16 18 20
  • Pumps are available in 115 volt and 230 volt models. As a result, transforming or separate circuiting may be required for other voltages.

Ordering
When ordering your cooler, you should know this information:
  • System design static pressure.
  • Desired air volume at system design.
  • Electrical power supply available.
  • Stability of structure to support operating weight of unit.
Complete systems consist of the following components, and are sold separately for application versatility.
  • Cabinet - 1 blower section
  • Wet media section (1 for 524's - 2 for 628's
  • Motor
  • Motor sheave
  • Pulley-belt kit
  • Pump (one required for each media section)
  • NOTE: Motor starters, internal wiring and over-current protection are not supplied.

 

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Last Updated: Thursday, 20-Nov-2008 16:28:17 EST

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