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12.
Electrical Wiring
Do not connect electrical power to the unit until all electrical wiring has been completed.
Disconnect Power
This appliance must be electrically grounded in accordance with local codes, or in the absence of local codes,
with the National Electrical Code, ANSI/NFPA 70. In Canada, the latest CSA C22.1 Electrical Code.
Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper
and dangerous operation.
Verify proper operation after servicing.
Field wiring to be performed at time of appliance installation.
Electrical Shock Hazard
Do not turn power on until electrical wiring is finished. Disconnect power before servicing.
Failure to do so may result in death or serious injury from electrical shock.
• The electrical supply required by the boiler is 120VAC at
60 Hz.
The maximum power consumption is 100W, not including
the pump's power consumption. Be sure to use electric
wiring suited for this power consumption.
• Do not turn off the power supply, even when not using the
boiler. If the power is turned off, the freeze prevention
function will not operate and the boiler could be damaged
due to freezing.
Ground
• To prevent electrical shock, provide a ground
with resistance less than 100 . An electrician
should do this work.
• Connect the ground wire to the Ground terminal
in the junction box.
Do not connect the ground to the city water
or gas piping. Do not tie the ground to a tele-
phone line.
Electrostatic discharge can affect electronic components. Take precautions to prevent electrostatic discharges from
personnel or hand tools during the boiler installation and servicing to protect product's electronic control.
22
WARNING
• Do not let the power cord contact the
Breaker Installation
• Mount a device which shuts off the electrical
path automatically (GFCI) when electrical leak-
age is detected.
CAUTION
Consult a qualified electrician
for the electrical work.
gas piping.
Tie the redundant power cord out-
side the boiler. Putting the redun-
dant length of cord inside the boiler
may cause electrical interference
and faulty operation.
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