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Motors Installation Guide

Swimming Pool Motors Installation Guide

Installing a motor with the proper wiring and circuit breakers will help to insure a motor is operating at full effciency. This page contains general information on installation requirements of motors

Important Considerations

Ventillation Adequate ventillation must be provide. The area below the pump should be dry and free of debris.
  Motor should not be installed in direct sunlight or in temperatures above 104 degrees (F). Compensation should be allowed for higher temperatures, by using a larger horsepower than what is on the nameplate.
Moisture Keep area below and around pump dry and free of debris. Mount motor a level to avoid flooding of the motor
   
Altitude Altitudes in excess of 3,300 feet above sea level will cause a motor to operate at higher than normal temperatures. To compensate for this replace the motor, with the next higher available Horsepower.
   
Grounding

Safety is the utmost concern. Grounding of the pump to the ground is essential. This should be done in accordance with local building codes. Example: Ground the motor using the ground connection inside(usually green)the motor housing (terminal block). Bonding of the motor, should also be done using A # 10 wire. This is located on the outside of the motor.
Wire Size To Minimizew excessive voltage drop during startup. Make sure wirig is adewuate. Inadequate wiring will cause overheating and pre-mature failure of motors

 

Minimum Wiring Requirements

Motor Maximum Length in feet of 2 copper conductors (motor to meter)
HP
Voltage
#14
#12
#10
#8
#6
1/3
115
130
205
325
515
820
1/3
220
500
800
995
1/2
115
100
160
255
410
650
1/2
220
230
400
640
995
1
115
60
95
150
240
380
1
220
240
380
600
975
1-1/2
115
45
75
115
190
300
1-1/2
220
190
300
480
750
995
2
220
35
60
95
150
240
2
220
150
240
380
600
970
3
220
125
200
320
500
800

 

Recommended Motor Circuit Protection (Amps)

Recommended Motor Circuit Protection (Amps)
Motor (HP)
Time Delay Fuse
Circuit Breaker
 
115 Volts
230 Volts
115 Volts
230 Volts
1/3
10
5
20
10
1/2
12
7
25
15
3/4
15
10
35
20
1
20
10
35
20
1-1/2
25
12
60
30
2
30
15
70
35
3
  
20
  
40