WDM AG Series, Operation Manual

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Self-Priming Pumps.
11
Electric motor & connections.
Read the motor manufacturer’s instructions, or consult the connection
diagram located either on the motor name plate or inside the cover on
the conduit box. The wiring of the motor and control panel, overload
protection and grounding should be in accordance with State, Province,
Local and National Electrical Code (NEC) or Canadian Electrical Code
(CEC). Be sure the following criteria are met:
1. AC power is within ± 10% of rated voltage with rated
frequency. (See motor name plate for rating).
OR
2. AC power is within ± 5% of rated frequency with rated
voltage. OR
3. A combined variation in voltage and frequency of ±10% (sum
of absolute values) of rated values, provided the frequency
variation does not exceed ± 5% of rated frequency.
Pump Lubrication.
The pump requires no lubrication. The impeller and seal are the only
moving parts of the pump. These parts are water lubricated and
need no attention.
5. Operation.
Priming.
Remove the priming plug, located in the top of the discharge tee or in
CAUTION.
Do not operate pump without liquid in pump body
as operating dry will result in damage to the seal.