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ELECTRICAL GUIDE – 60 CYCLE MOTORS – SINGLE PHASE
MOTOR
HP
KW
1
.75
1 1/2
1.12
A separate electrical circuit, utilizing a rating as above, is recommended.
A. MOTOR WON'T START
1.
Check for improper or loose connections, open
switches or relays, blown circuit breakers or fuses.
2.
Manually check rotation of motor shaft for free
movement and lack of obstruction.
B. MOTOR CUTS OUT – Check for:
1.
Wiring, loose connections, etc.
Low voltage at motor (frequently caused by
2.
undersized wiring.
3.
Binding and overload. (Amperage reading)
NOTE: Your Hayward pump motor is equipped
with Automatic Thermal Overload Protection.
The motor will automatically shut o , under
normal conditions, before heat damage build-up,
due to an improper operating condition, can
occur. The motor will auto-restart when safe heat
level is reached.
C. MOTOR HUMS BUT DOES NOT START
– Check for:
1.
Centrifugal switch stuck in open position.
2.
Binding of motor shaft.
D. PUMP WON'T PRIME
1.
Make sure pump/strainer housing is lled with
water, and that cover O-Ring is clean and
properly seated. Make sure strainer cover is
locked rmly in position.
2.
Make sure all suction and discharge valves are
open and unobstructed, and that pool water
level is above all suction openings.
Consult your local authorized Hayward dealer or service center.
No pumps or motors may be returned directly to the factory without the
express written authorization of Hayward Pool Products Canada, Inc.
VOLTS
115
115
TROUBLE SHOOTING GUIDE
SERVICE AND REPAIRS
www.haywardcanada.com
Circuit Breaker
WIRE SIZE 0-50' , 0-15m
RATING - AMPS
20
20
3.
If pump develops a vacuum, check for blocked
suction line or strainer, or air leak in suction
piping.
4.
If pump does not develop a vacuum and pump
has su cient "priming water":
a.
Tighten all bolts and ttings.
b.
Check voltage to make sure pump is up to speed.
c.
Open pump and check for clogging and
obstruction.
d.
Remove and replace shaft seal.
E. LOW FLOW – Generally, Check for:
1.
Clogged or restricted strainer or suction line;
undersized pool piping.
2.
Plugged or restricted discharge line of lter (high
discharge gauge reading).
3.
Air leak in suction (bubbles issuing from return
ttings).
4.
Pump operating underspeed (low voltage).
5.
Plugged or restricted impeller.
F. NOISY PUMP – Check for:
1.
Air leak in suction causing rumbling in pump.
2.
Cavitation due to restricted or undersized suction
line and unrestricted discharge lines. Correct
suction condition or throttle discharge lines, if
practical.
3.
Vibration due to improper mounting, etc.
4.
Foreign matter in pump housing.
5.
Motor bearings made unserviceable by wear,
rust, or continual overheating.
RECOMMENDED
No. 12
No. 12
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