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HOT-WATER
OUTLET
UNION
SOME
COMPONENTS
NOT SHOWN
FOR CLARITY.
Figure 22
FILLING THE WATER HEATER
CAUTION
Property Damage Hazard
• Avoid water heater damage.
Fill tank with water before operating.
•
•
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 fi lled with water. Water must fl ow from the hot-water
faucet before turning "ON" gas to the water heater.
To fi ll 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 22).
2. If the heater is equipped with plumbing side taps and
they are not connected to piping, ensure that the side
taps have been closed with pipe plugs.
3. 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.
22
SHUT-OFF VALVE
COLD-
WATER
INLET
SIDE TAP
(OUTLET)
TEMPERATURE-
PRESSURE
RELIEF VALVE
DISCHARGE PIPE
(DO NOT CAP
OR PLUG)
SIDE TAP
(INLET)
DRAIN
VALVE
305mm (12 in.) MAX.
AIR GAP BELOW
DISCHARGE PIPE
METAL
DRAIN
PAN
FLOOR
DRAIN
4. Open the cold-water supply valve to the water heater.
Notes:
•
The cold-water supply valve must be left open when
the water heater is in use.
•
Avoid water leakage when fi lling the tank. Do not
allow the insulation of the water heater to get wet as
water can reduce the effectiveness of the insulation.
5. To ensure complete fi lling of the tank, allow air to exit.
Check that the nearest hot-water faucet is still open.
Allow water to run until a constant fl ow is obtained.
This will let air out of the water heater and the piping.
6. Check all water piping and connections for leaks.
Repair as needed.
VENTING
All venting must comply with the current edition of the
"Natural Gas and Propane Installation Code" B149.1 .
This heater is certifi ed to be installed using Schedule 40
PVC or CPVC or polypropylene plastic vent material. All
jurisdictions require that this material is approved to ULC
S636. Only use approved material. All venting material
and components must be joined with the approved primer/
cleaner and solvent cement or mechanical seals (see
"Polypropylene Vent Systems").
Use only Schedule 40 CPVC piping and fi ttings for the fi rst
linear 1.5m (5 ft.) of the outlet vent system. A 1.5m (5 ft.)
section of 3" Schedule 40 CPVC vent pipe is supplied
with the water heater for this purpose. If 4" venting is to
be used it must be fi eld supplied. For the rest of the outlet
vent system use piping and fi ttings as defi ned above.
WARNING
Breathing Hazard - Carbon Monoxide Gas
• Install vent system In accordance with codes.
• Do not operate water heater if flood damaged.
• Install water heater in accordance with the
instruction manual.
• Do not operate if soot buildup is present.
• Do not obstruct water heater air intake(s).
• Do not place chemical vapour emitting products near
water heater.
• Gas and carbon monoxide detectors are available.
• Never operate the heater unless it is vented to the
outdoors and has adequate air supply to avoid risks
of improper operation, fire, explosion or asphyxia-
tion.
• Analyze the entire vent system to make sure that
condensate will not become trapped in a section of
vent pipe and therefore reduce the open cross
sectional area of the vent.
Breathing carbon monoxide can cause brain damage or death.
Always read and understand instruction manual.
Important: DO NOT common vent this water heater with
any power vented appliance. DO NOT vent into a common
chimney.
331432-001
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