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ELECTRICAL INSTALLATION
Manufacturer recommends that this product
be installed by a licensed and qualified electri-
cian in accordance with all applicable national,
state, provincial, and local electrical codes. As
with all electrical appliances, under no circum-
stances should you attempt to install, repair
or disassemble this water heater without first
shutting off all power to the unit directly at the
fuse or breaker box. Make sure to shut off
all breakers. SERIOUS BODILY INJURY OR
DEATH COULD OCCUR IF YOU IGNORE
THIS WARNING.
All wiring (wire gauge) and circuit protection
(breakers) must comply with the U.S. National
Electrical Code (NEC) in the USA, or the
IMPORTANT NOTES:
Model 12 kW requires 1 set of wire and ground (see wiring diagram)
Model 18 kW requires 2 sets of wire and ground (see wiring diagram)
Model 27 kW require 3 sets of wire and ground (see wiring diagram)
Please see electrical specifications by model and wiring diagram on the next page for additional
electrical information.
Each set of wires must be connected to its own individual double pole breaker.
INSTALLATION INSTRUCTIONS
STEP 1: Take each wire pair and connect them
to one breaker (see wiring diagram). Make
sure that each breaker is connected with one
black wire and one red wire
STEP 2: Using a suitable wire gauge that
meets all applicable electrical codes for the
size of the breakers used, run the correct sets
of wire from the home's main breaker panel to
the tankless water heater.
STEP 3: A separate ground conductor for
each incoming circuit is required.
CAUTION: Ensure that you have made the correct connections. You must follow the wire
connection as shown to ensure proper operation of the unit. If you mix up one set of wires
with another, the unit will not operate correctly even though it turns on and otherwise
appears to function properly.
The water heater is now installed and ready to use!
Instructions to complete the setup. We highly recommend that this is done with the homeowner
present.
Canadian Electrical Code (CEC) in Canada.
Failure to do so could result in property
damage and/or personal injury, and void
your warranty. Note: The Canadian Electrical
Code generally requires that all supply wires
and corresponding circuit protection used
for domestic hot water heating and hydronic
heating applications be sized to a minimum
of 125% of the maximum current rating of the
heater (see model specifications below for
details).
Before installing this product, ensure that the
home has sufficient electrical power available
to handle the maximum amperage load of the
applicable model.
STEP 4: DOUBLE CHECK the electrical
connections to make sure they are correct and
that all wire connections are tight and secure.
Also confirm that the correct breaker size and
wire gauge has been used and confirm that
the unit has been connected to a ground in
accordance with applicable codes.
STEP 5: Confirm that all the air has been
purged from the water lines prior to turning
on power to the unit. Refer to STEP 2 in the
plumbing installation section.
Follow the General Operating
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