CONDENSATION RETURN UNITS
Bulletin 106A

RECEIVER:
Single piece cast iron. Rated for a maximum internal pressure of 5 psi. Designed for venting to atmosphere 

PUMP: 
Bronze-fitted centrifugal design, flanged to the receiver, with leakless mechanical seal. The seal chamber has a relief line back into the receiver to prevent air pockets or collection of abrasives near the mechanical seal. The motor and rotating assembly are removable without disturbing the return or discharge piping. Maximum water temperature at the pump suction is 210°F.

MOTOR:
Drip-proof ball bearing design, operating at 3450 RPM or 1750 RPM Single phase motors are rated 115/230V. Three phase motors are rated 208/230/460V.

FLOAT SWITCH: 
Single units have a float switch (mounted and wired on the unit) to automatically operate the pump. Duplex units have an alternating float switch (mounted and wired on the unit) to automatically alternate the operating cycles of the pumps and provide simultaneous operation when required.

MOTOR PROTECTION:
1-phase motors (up thru 1HP) have built-in overload protection. 3-phase units (and 1-phase over 1 HP) are furnished with a magnetic starter for each motor, mounted on the unit and wired to the motor and float switch.  

MODIFICATIONS 
Inlet strainer, gauge glass, thermometer, combination starters, starter modifications, pump discharge pressure gauges, duplex control panels, totally enclosed or explosion-proof motors and controls. 

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