John Wood Takagi - 320H-520H - Manual (Page 18)

18
Remote Controller Connection
Disconnect power supply from the water heater.
Take off the water heater’s front cover.
Locate the remote controller terminal, pictured below
(located around the upper right-hand side of the com-
puter board).
Open the plastic cover of the remote controller acces-
sory, and then attach the two fork terminals to connec-
tor base of the backside the controller with two screws.
Make sure the terminals are firmly fixed.
Pull the remote’s wires through the rubber grommet at
the bottom of the water heater’s casing. 1.
2.
3.
4.
5.
Properly attach the remote’s wires to the remote con-
troller terminal on the computer board. (No polarity)
*Do NOT jump or short-circuit the wires or computer will
be damaged.
Replace Front Cover securely.
Wires used for the remote controller connection must
be:
Minimum 18AWG wire (No polarity)
Maximum 400 feet long
*For detailed connection instructions to the remote control-
ler accessory, refer to the remote controller’s Installation
Manual.
6.
7.
8.
•
•
Remote controller terminal of the 520H Front of remote Back of remote
Connect other end
to these terminals
Connect to
these terminals