Grundfos GRU-595916 Installation And Operating Instructions Manual page 7

Comfort system hot water recirculation system
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Electrical
SAFETY WARNING
Warning - Risk of electrical shock - This pump is supplied with a grounding conductor.
To reduce the risk of electric shock, be certain that it is connected only to a properly
grounded grounding type receptacle. The safe operation of this pump requires that it
be grounded in accordance with the National Electrical Code and local governing codes
and regulations.
Electrical Requirements
The operating voltage and other electrical data are marked on the motor label. Make
sure that the motor is suitable for the electrical supply on which it will be used.
Electrical Connection
Insert the 115V plug on the line cord from the pump into a properly grounded 115V
outlet.
Timer Technical Data
TIMER CONTROL
Supply Voltage: 115-120 VAC, 60 hertz
Contact Rating: 16 amps
Ambient Temperature: -4°F to 175°F
Shortest Switching Interval: 15 minute increment
Switch Modes: "Timer", "ON" Override, "OFF" Override
Protection: Clear plastic cover for dust and moisture protection of the clock face.
Timer Technical Application
The Grundfos timer control is designed only for use with specified Grundfos Series UP
circulators installed in indoor hot water service systems.
The timer control is designed to turn the circulator on and off at preset times, allowing
the user to select operation of the circulator during high use periods of the day.
page 5

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