Maintenance Manual

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less than 60°C. (Refer to terminal diagram for terminal sizes.)
The electrical wiring between the fire pump controller and the pump motor shall be in rigid, intermediate, or liquid
tight flexible metal conduit or Type MI cable and meet the requirements of NFPA 70, National Electrical Code, or
C22.1, Canadian Electrical Code, or other local codes.
The number of conductors required varies depending on the model of starter:
3-wires plus ground sized at 125% of full load current for models GPA, GPR, GPS and GPV.
6-wires plus ground sized at 125% of 50% of the motor full load current for GPP model.
6-wires plus ground sized at 125% of 58% of the motor full load current for GPY and GPW models.
Incoming Power Connections
Incoming normal power is to be connected to terminals located on the disconnecting means IS.
- For 3 phases motor: identified L1-L2 and L3.
- For single phase motor: identified L1 and L3
Motor Connections
Motor wires shall be connected to terminals identified by:
- T1-T2 and T3 located on main contactor (1M) for models GPA, GPR, GPS and GPV
- T1-T2 and T3 located on contactor (1M) and T7-T8 and T9 located on contactor (2M) for model GPP
- T1-T2 and T3 located on contactor (1M) and T6-T4 and T5 located on contactor (2M) for models GPY and GPW
It is the responsibility of the installer to obtain connection information on the motor and to assure that the motor is
connected as per the motor manufacturer recommendations. Failure to do so may cause injuries to personnel,
damage the motor and/or the controller and subsequently void warranty on both items.