Remove two element flange screws - pull capillary element down and away from control, Fig. 30, Items
22 & 23.
Remove outlet box cover on top of control; disconnect all electrical connections, Fig. 30, Item 25.
Remove mounting screws; refer to Figs. 28 & 31 and remove control from panel. NOTE:TAG
NOTE ALL ELECTRICAL WIRING.
Installation. Install the temperature controller in reverse order of removal.
48. Circulating Pump Motor Starter Overload Heaters
Removal. Refer to Fig. 32 and remove the circulating pump motor starter overload heaters without removing
the circulating pump motor starter.
Remove circulating pump motor starter enclosure cover, Figure 33.
Remove the two screws that hold heaters in place.
Remove heaters from starter.
Cleaning and Inspection.
Clean all parts with a cloth dampened in an approved cleaning solvent and dry thoroughly.
Inspect the heaters for cracks, breaks, signs of overheating, and other damage Inspect the mounting
hardware for cracks, breaks, and damaged threads. Replace a defective part.
Installation. Refer to Fig. 32 and install the circulating pump starter overload heaters. Replace heaters in
reverse order of removal.
49. Circulating Pump Motor Starter
General. The circulating pump motor starter is a magnetic starter with a reset bar used to activate the
circulating pump motor. It is equipped with three overload heaters which are replaceable without removing
the blower motor.
Remove circulating pump motor starter enclosure cover, Fig. 33.
Remove the circulating pump motor starter heaters, Para. 48.
Refer to Fig. 32 and remove the circulating pump motor starter.
Remove the power leads from the starter connections, L1, L2 and L3.
Remove the motor leads from the starter connections, T1, T2 and T3.
Remove the two wires from the starter coil.
Remove the mounting screws that hold the starter in place.
NOTE: TAG ALL WIRES BEFORE REMOVING.