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Connect Electricity
WARNING
Do not use an extension cord or an adapter plug with
this appliance.
The water heater must be electrically grounded in
accordance with local codes and ordinances or, in the
absence of local codes, in accordance with the
National Electrical Code, ANSI/NFPA No. 70.
Indoor water heaters are equipped with a three-
prong (grounding) plug for your protection against
shock hazard and should be plugged directly into a
properly grounded three-prong receptacle. Do not
cut or remove the grounding terminal from this plug.
Do not rely on the gas or water piping to ground the
water heater. A screw is provided in the junction box
for the grounding connection.
The water heater requires 120 VAC, 60 Hz power from
a properly grounded circuit.
If using the 5 foot long power cord, plug it into a
standard 3 prong 120 VAC, 60 Hz properly grounded
wall outlet.
On outdoor models, a disconnect switch must be
provided and installed for the incoming 120 VAC
power. It should be a type that is suitable for outdoor
use. Check the National Electrical Code, ANSI/NFPA
70 and your local codes for a proper switch type to
use in your area.
The wiring diagram is located on the Technical Sheet
attached to the inside of the front cover.
120V Wiring
Blue or Black wire: hot leg
Brown or White Wire: neutral
Adjustment for High Altitude
Installations
Set SW2 and SW3 in DIPSW 1 to the values shown in
table below for your altitude. The default setting for
the appliance is 0-2000 ft (0-610 m) with switches
SW2 and SW3 in the OFF position.
When the DIP switch is adjusted, it is not necessary to
adjust the gas pressure setting for high altitude.
Altitude
0-2000 ft (0-610 m)
2001-5200 ft (610-1585 m)
5201-7700 ft (1585-2347 m)
7701-10200 ft (2347-3109 m)
Adjustment for Vent Length
(indoor models only)
Adjust SW 1 in DIPSW 1 if required. Refer to the
section "Maximum vent length".
Checklist for Gas and Electricity
□
A manual gas control valve is placed in the gas
line to the water heater.
□
Check the gas lines and connections for leaks.
□
Confirm that the gas inlet pressure is within
limits.
□
Confirm that the water heater is rated for the gas
type supplied.
□
Confirm that the electricity is supplied from 120
VAC, 60 Hz power source and is in a properly
grounded circuit.
□
Confirm that an extension cord or an adapter plug
has NOT been used with the water heater.
C199 Manual
SW2 in
SW3 in
DIPSW 1
DIPSW 1
OFF
OFF
OFF
ON
ON
OFF
ON
ON
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