Rinnai Circ-Logic Series Manual page 9

9. Connect power to the water heater and the GTK15
line cord.
10. 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.
11. Set the manual switch to "ON".
12. Press the Power button on the controller. The
pump and water heater will turn on to raise the
recirculation loop temperature.
13. Refer to the Timer Operation section for additional
information on programming the timers.
Figure 4: Bottom of water heater
FRONT OF WATER HEATER
POWER
CORDS FOR
WATER
HEATER AND
GTK15
Wiring Table
Description GTK15 (Timer)
+115VAC Brown (Br)
Neutral Gray (Gy)
Ground Green (Gn)
GTK15 (Pump)
+115VAC
Red (R)
(Circ-Logic™)
Neutral
Blue (Bl)
(Circ-Logic™)
WARNING
The Grundfos GTK15 Pump has two power sources.
Disconnect all supply connections before servicing.
One is directly from the electrical outlet for the timer
and the other is through the water heater for the
pump.
CABLE ACCESS HOLES
CONDUIT
TO GTK15
Supplied Line
Cord
Black (Bk)
White (W)
Green (Gn)
Rinnai
Circ-Logic™
Black (Bk)
White (W)
RISK OF ELECTRIC SHOCK
Figure 5: Electrical Diagram
9 Rinnai Circ-Logic™ with Grundfos Kit