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WARNING
Do not apply power to any
connection point on the
controllers terminal strips.
A hazardous situation could
occur resulting in possible
serious injury or death.
NOTE
The unit (like any modern
appliance that contains
electronic equipment), must
have a "clean" power supply,
and can be disabled by power
surges and spikes, lightning
strikes and other forms of
severe electrical "noise".
Power conditioning equipment
(surge protectors, APC or UPS
devices) may be required in
areas where power quality is
suspect.
1-30
TANKLESS WATER HEATER 199
1.9 ELECTRICAL CONNECTIONS
Electrical wiring to the unit (including grounding) must conform to local electrical
codes and/or National Electrical Code, ANSI/NFPA No. 70 – latest edition, or The
Canadian Electrical Code, C22.1 - Part 1.
The unit, when installed, must be electrically bonded to ground in accordance
with the requirements of the authority having jurisdiction or, in the absence of
such requirements, with the National Electrical Code, ANSI/NFPA 70, and/or the
Canadian Electrical Code Part I, CSA C22.1, Electrical Code.
1.9.1 120VAC Line Voltage Hook-up
(Refer to Section 6.2.Wiring Diagram on page 6-4). Connect the unit to the grid
power, using the supplied appliance plug in a separate, fused circuit and on/off
switch within sight of the unit.
1.9.2 Accessing Controller Terminal Strip
Pull out on the two control module retaining tabs then flip down the control to
access the terminal strip.
Figure 30: Pullling out the tray
1.9.3 Power Quality and Electrical Protection
In areas of unreliable power, appropriate surge protectors and/or power
conditioning equipment should be installed to protect the unit.
INSTALLATION AND OPERATION INSTRUCTIONS
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