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11 Connecting Electricity
Consult a qualified electrician for the electrical
work.
11.1 Combi Boiler
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.
WARNING
Electrical Shock Hazard
Do not connect the electrical power to the
appliance until all electrical wiring has been
completed.
Failure to do so may result in death or serious
injury from electrical shock.
CAUTION
• Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
• Electrostatic discharge can affect electronic
components.
Take precautions to prevent electrostatic
discharges from personnel or hand tools
during the Combi Boiler installation and
servicing to protect product's electronic
control.
Power Supply
• The electrical supply required by the Combi Boiler
is 120 VAC at 60 Hz.
The power consumption may be up to 210 W or
higher if using optional accessories.
Use an appropriate circuit.
• Tie the redundant power cord outside the Combi
Boiler. Putting the redundant length of cord
inside the Combi Boiler may cause electrical
interference and faulty operation.
NOTE • Do not let the power cord contact
the gas piping.
• Do not disconnect the electrical
power when not in use. When
the power is off, the freeze
prevention in the Combi Boiler will
not activate, resulting in possible
freezing damage.
50
Connecting Electricity
Ground
To prevent electrical shock, provide a ground with
resistance less than 100 Ω.
An electrician should do this work.
NOTE • Do not connect the ground to the
city water or gas piping.
• Do not tie the ground to a
telephone line.
Breaker Installation
Mount a device which shuts off the electrical path
automatically (leakage breaker) to detect electrical
leakage.
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