Install Instructions

Notes

Replacing Integral Flow Check (IFC) Assembly (if applicable)

1. Disconnect the electrical supply.

2. Reduce system pressure to 0 psi and allow system to return to room temperature. Isolate the circulator by closing the service valves

or draining the system.

3. Loosen flange bolts and remove entire circulator from the system to access the flange mounted IFC.

4. Remove IFC, using needle nose pliers.

5. Install replacement IFC by pressing valve into casing until it is firmly seated.

6. Follow the “Installation” procedure to start up the circulator.

Replacing Circuit Board

1. Disconnect the electrical supply and all field wiring to the circuit board.

2. Unplug the 3-pin plastic connector that connects the motor to the circuit board.

3. Bend the lip of the capacitor base to ease the removal of the circuit board. Pull the circuit board up and out.

4. Reverse directions to install the new circuit board.