Wiring
NOTE – THE SR500 CANNOT BE USED/RELIED UPON AS A SERVICE DISS-
CONNECT MEANS. A SEPARATE DISCONNECT MEANS (SUCH AS A CIR-
CUIT BREAKER) MUST BE PROVIDED. A CERTIFIED ELECTRICIAN IN
ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE MUST COM-
PLETE ALL ELECTRICAL WORK.
Power Terminals are on the bottom right of the unit, and are labeled Line 1, Line 2,
(incoming voltage) and Load 1, Load 2 (power output to pump or contactor)
BEFORE TURNING ON THE POWER TO THE UNIT, VERIFY YOUR PUMP
OPERATING VOLTAGE (120 OR 240 VOLTS) AND SET THE VOLTAGE
SELECTOR SWITCH ON THE RIGHT SIDE OF THE SR500 ACCORDINGLY.
UNITS DAMAGED BY IMPROPER POWER INPUT WILL NOT BE COVERED
BY WARRANTY!
For
Single Phase pumps, 120 or
240 volts, up to 3 Hp or 20 amps.
1. Wire incoming voltage to Line 1 and Line 2. (#10 and # 12) 120 VOLT INSTAL-
LATIONS – THE NEUTRAL BUSS MUST BE GROUNDED TO THE
GROUND BUSS IN THE SUPPLY PANEL.
2. Wire pump leads to Load 1 and Load 2. (#9 and #11) 120 VOLT INSTALLATIONS
MUST USE BOTH LOADS CONNECTED TO BOTH TERMINALS OF THE
MOTOR.
3. Connect panel and motor grounds to the green ground pigtail with a wire nut.
Refer to Drawing 1 or 2
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