Filling The Water Heater; Venting - Kenmore 153.337072 Owner's Manual

Commercial gas water heater
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Installation
Instructions
(cont'd)
Filling the Water
Heater
A CAUTION
Never use this water heater unless it is completely filled with
water. To prevent damage to the tank, the tank must be filled
with water. Water
must flow from the hot water faucet
before turn ng ON
gas to the water heater.
To fill the water heater with water:
Close the water heater drain valve by turning
the handle
to
the right (clockwise).
The drain valve is on the lower front of
the water heater.
Open the cold water supply valve to the water heater.
NOTE: The cold water supply valve must be left open
when the water heater is in use.
To insure complete filling of the tank, allow air to exit by
opening the nearest hot water faucet. Allow water to run
until a constant flow is obtained. This will let air out of the
water heater and the piping.
Check all new water piping for leaks. Repair as needed.
AWARNING
To insure proper venting of this gas-fired water heater, the I
correct vent pipe diameter must be utilized. Any additions or
deletions of other gas appliances on a common vent with this
water heater may adversely affect the operation of the water
heater. Consult the local Sears Service Center or gas utility if
any such changes are planned.
For proper venting in certain installations,
a larger diameter
vent
pipe may be necessary.
Due to great variances
in installations,
unforeseeable
by the manufacturer
of the water heater, you must
consult your gas company
to aid you in determining
the proper
venting for your water heater from the vent tables in tl_e latest edi-
tion of the National Fuel Gas Code ANSI Z223.1, also referred to
as NFPA 54.
Check the venting system for signs of obstruction
or deterioration
and replace if needed.
The combustion
and ventilation
air flow must not be obstructed.
Venting
TO CHIMNEY
PLACE
LEGS
IN HOLES
EIDED
The draft hood supplied with this water heater must be installed as "
shown before the heater is operated.
If the draft hood is removed for cleaning or replacement it must be
replaced in reverseorder as removed.
AWARNING
VENT DAMPERS - Any vent damper, whether it is operated
thermally or otherwise must be removed if its use inhibits prop-
er drafting of the water heater.
Thermally Operated Vent Dampers: Gas-fired water heaters
having thermal efficiency in excess of 80% may produce a rela-
tively low flue gas temperature. Such temperatures
may not be
high enough to properly
open thermally
operated
vent
dampers. This would cause spillage of flue gases and may cause
carbon monoxide poisoning.
Vent dampers must bear evidence of certification as complying
with the latest edition of American National Standard ANSI
Z21.68 (ANSI Z21.66 & 67, respect_ely, cover electrically and
mechanically actuated vent dampers). Before installation of any
vent damper, consult your local Sears Service Center or the gas
utility for further information.
14
AWARNING
Obstructed or deteriorated vent systems may present a serious
health risk or asphyxiation.
-
AWARNING
]
The-water heater wit_stalled
must be properly I
vented to a chimney which terminates outdoors. Never oper- I
ate the water heater unlessit isvented to the outdoors and has I
adequate air supply to avoid Hsks of improper operation, explo- [
slon or asphyxiation.
!
AWARNING
]
The vent pipe from thrust
be no less than the I
diameter of the draft hood outlet on the water heater, and I
must slope upward to the chimney at least ¼ inch per linear I
foot
]
All vent gases must be completely
vented
to the outdoors
of the
structure
(dwelling).
Installonly
the draft hood provided
with
the new water heater and no other draft hood.
Vent pipes must be secured at each joint with sheet metal screws.
I
q
I
I
VENT
PIPE INSTALLATION

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153.337002

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