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Outdoor
Sensor
BOILER
* Must be connected directly to 120VAC motor. NO PUMP STARTER.
** If Pump Starter/Motor is not rated for 120VAC power, contact the factory for wiring directions
VSP WIRING DIAGRAM
VSP
RED
Wire Sensor
Shields to either
COM Screw
BLACK
Setback
or
Remote Enable
Injection
Boiler Return
Pump
Sensor
BLUE
Pump
Starter/
Motor**
Pump
Motor*
Secondary
Loop Pump
120VAC
LINE
NEU
L
O
Secondary
A
Loop Sensor
D
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