4. Electrical
CAUTION: Do not energize pump until
properly installed
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 as shown in Figure 4a.
5. Timer technical data
TIMER CONTROL
Supply Voltage: 115-120 VAC, 60 hertz
Contact Rating: 16 amps
Ambient Temperature: -4°F to 175°F
Max Fluid Temperature: 150°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.
6. 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.