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DIMENSIONS AND SPECIFICATIONS
Single Inlet Model Dimensions MD524 or UD960 (Down Discharge) and MS524 or US960 (Side Discharge)
Top View Side View Front View
Media Section Cabinet Duct Location Drain
1
Media Blower Water
2
Electric
3
Blower Wheel
Blower
Skid Location Media Pad
Model Number Location Cabi- Cabi- Service Service
Pulley
Dimension Area
1 Required Side Down net net Location Location Pitch
H W D A B C E F G J K L M S T Dia. Width Shaft Dia. N P Q R X V Sq.Ft.
DM080
or UM080 51
½ 49
1
/8 66 26¾ 17 3 11¼ 13 13
3
/8 17 49
1
/8 7¼ 12
3
/8 18 35½ 24 24 1
3
/16 13 2 1
5
/8 4 2½ 44
5
/8 48 14.8
DM120
or UM120 51
½ 49
1
/8 70 26¾ 17 3 11¼ 13 17
3
/8 21 49
1
/8 7¼ 16
3
/8 22 35½ 24 24 1
3
/16 13 2 1
5
/8 4 2½ 44
5
/8 48 14.8
1. Drain is 3/4” male hose thread.
2. Water service can be left or right for 1/4” tubing.
3. 7/8” knockout for running electrical service.
MD/MS524 or UD/US960
Electrical Specifi cations
HP Speed Phase Voltage Amperage NEMA Frame Shaft Diameter Motor Kit #
¾ 1 1 115/230 12.5/6.2 56
5
/8 EJ006
¾ 2 1 230 5.9 56
5
/8 EJ020
¾ 1 3 208-230/460 3.0/1.5 56
5
/8 EJ883
1 1 1 115/230 15.1/7.5 56
5
/8 EJ007
1 2 1 230 7.3 56
5
/8 EJ021
1 1 3 208-230/460 3.6/1.7 143T
7
/8 EJ665
1½ 1 1 115/230 14.5/6.3 143T
7
/8 EJ212
1½ 1 3 208-230/460 4.6/2.2 143T
7
/8 EJ666
2 1 1 115/230 19.0/8.5 143T
7
/8 EJ213
2 1 3 208-230/460 7.1/3.3 143T
7
/8 EJ667
3 1 3 208-230/460 8.7-8.4/4.2 182T 1
1
/8 EJ668
5 1 3 208-230/460 14.2-13.0/6.5 184T 1
1
/8 EJ659
7½ 1 3 208-230/460 20.9-19.2/9.6 213T 1
3
/8 EJ675
• Amperage from National Electric Code. • See nameplate on actual motor for amperage in fi guring 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 Specifi cations
Pump Volts Amps Watts GPH
Model# At 4’ Head
CP280 115 1.2 80 300
CP480 230 .6 80 300
Note: Pumps are available in 115 volt and 230 volt models. As a
result, transforming or separate circuiting may be required for
other voltages.
Bleed Rates GPH per Media Module
Blower Model Blower Motor HP
¾ 1 1½ 2 3 5 7½
524 or 960 7 8 9 10 10 – –
628 or 980 – 11 13 14 16 18 20