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Chapter 3.
WIRING
WARNING
Before doing any wiring work, be sure to disconnect the equipment power to
prevent electrical shock.
When measuring the voltage between terminal F and terminal G of this device
in order to check the wiring, do not touch any part of the terminals. Doing so
may result in an electric shock.
CAUTION
Installation, wiring, inspection, adjustment, etc., should be carried out by a
trained and experienced technician with knowledge and technical skills related
to combustion equipment and flame safeguard control devices.
Be sure to route the signal wires of this device separately from high-voltage ig-
nition transformer cables and power cables, and put them in a separate conduit.
Wiring diagram
White
terminal
White
Yellow
(G)
Blue
Run all wires connected to the burner controller through wiring con-
duits and conduit boxes. Also, be sure to route power wiring to the
controller separately from other power wires.
Handling Precautions
•
Do not run the wiring to this device in the same wiring con-
duit as power lines or high voltage cables from the ignition
transformer.
•
Put high-voltage ignition transformer cables and the ground
wire in the same conduit, and ground one end of the conduit.
If an automotive spark plug is used, pay special attention to
wiring.
•
If the surge from the ignition transformer adversely affects the
detector, ground both ends of the conduit between the detec-
tor and the burner controller, or change the cable routing.
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