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methods of installation shown in Figure 15 and Figure 16.
Contaminants in the gas lines may cause improper
operation of the gas control valve/thermostat that may
result in fire or explosion. Before attaching the gas line be
sure that all gas pipe is clean on the inside. To trap any
dirt or foreign material in the gas supply line, a sediment
trap must be incorporated in the piping. The sediment trap
must be readily accessible. Install in accordance with the
"Gas Piping" section. Refer to the current edition of the
"National Fuel Gas Code", ANSI Z223.1/NFPA 54.
SHUT-OFF VALVE
HOT-WATER
OUTLET
UNION
SOME
COMPONENTS
NOT SHOWN
FOR CLARITY.
METAL
DRAIN
PAN
Figure 17.
22
FILLING THE WATER HEATER
•
Do not insert the power cord into the electrical
receptacle until the heater has been fully installed.
•
Never use this water heater unless it is completely full
of water. To prevent damage to the tank, the tank must
be filled with water. Water must flow from the hot-water
faucet before turning "ON" gas to the water heater.
COLD-
WATER
INLET
To fill the water heater with water:
1. Close the water heater drain valve by turning handle
to the right (clockwise). The drain valve is on the lower
front of water heater (see Figure 17).
2. Open all hot-water faucets served by the water heater
to allow air to escape from the tank and the water
piping. Ensure any shut-off valves between the heater
and the faucets are the open position.
TEMPERATURE-
3. Open the cold-water supply valve to the water heater.
PRESSURE
Notes:
RELIEF VALVE
•
DISCHARGE PIPE
(DO NOT CAP
OR PLUG)
•
4. To ensure complete filling of the tank, allow air to exit
DRAIN
by opening nearest hot-water faucet. Allow water to
VALVE
run until a constant flow is obtained. This will let air
out of the water heater and the piping.
6" MAX. AIR
GAP BELOW
5. Check all water piping and connections for leaks.
DISCHARGE
PIPE
Repair as needed.
FLOOR
DRAIN
www.hotwater .com
CAUTION
Property Damage Hazard
• Avoid water heater damage.
Fill tank with water before operating.
•
The cold-water supply valve must be left open when
the water heater is in use.
Avoid water leakage when filling the tank. Do not
allow the insulation of the water heater to get wet as
water can reduce the effectiveness of the insulation.
100324051_2000579115 _Rev. 01
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