Grundfos GRU-595916 Installation And Operating Instructions Manual page 8

Timer Operation
Setting & Operating
The Timer Control
Starting the Pump
NOTE:
Before the circulator is started,
the system must be filled with liquid
and vented.
1. Set the timer switch to the actual time by turning the programming ring in the
direction of the arrow until the timing arrow points to the actual time on the ring.
2. Plug in the power cord from the circulator and set the manual switch to the "ON"
position. The circulator will now start.
3. Set the required "ON"/"OFF" times on the programming ring by pushing the
programming tabs either away from or toward the center of the ring. Tabs pushed
away from the center indicate the
circulator is switched "ON" while tabs
pushed toward the center indicate the
circulator is switched "OFF".
4. Set the manual switch to the "TIMER"
position. The circulator will now start/
stop according to the settings of the
programming tabs.
5. For continuous operation, set the
manual switch to the "ON" position. To switch the circulator off, set the manual switch
to the "OFF" position. The "ON"/"OFF" modes may be used without affecting the
function of either the programming ring or the timer switch.
6. In case of power outage the timer will not keep time. After power has been restored,
the correct time of day must be reset by rotating the programming ring in the direction
of the arrow until the timing arrow points to the actual time on the ring.
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