Filling The Water Heater; Venting - Maytag HX40NARS User Manual

Instructionsfor Installation (cont'd)
Filling the Water Heater
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CAUTION
For proper venting in certain installations, a larger diameter
Never use this water heater unless it is completely I
vent pipe may be necessary. Due to great variances in instana-
filled with water. Toprevent damage to the tank, I
tions, unforeseeable by the manufacturer of the water heater,
the tank must be filledwith water. Water must flow
you must consult your gas company to aid you in determining
from the hot water faucet before turning "ON" gas I
to the water heater. I the proper venting for your water heater from the vent tables
in the latest edition of the National Fuel Gas Code ANSI
To fill the water heater with water: Z223.1, also referred to as NFPA 54.
Close the water heater drain valve by turning the handle to
the right (clockwise). The drain valve is on the lower front Check the venting system for signs of obstruction or deterio-
of the water heater, ration and replace if needed.
• Open the cold water supply valve to the water heater.
NOTE: The cold water supply valve must be left open The combustion and ventilation air flow must not be
when the water heater is in use. obstructed.
• To insure complete filling of the tank, allow air to exit by
opening the nearest hot water faucet. Allow water to run
AWARNING
pre-
until a constant flow is obtained. This will let air out of the Obstructed or deteriorated vent systems may
water heater and the piping,
sent a serious health risk or asphyxiat on.
• Check all new water piping for leaks. Repair as needed.
• Place the draft hood legs in the receiving holes on the top
Venting
of the water heater. The legs will snap in the holes to give a
tight fit.
• Place the vent pipe over the draft hood. With the vent pipe
&WARNING
in position, drill a small hole through both the vent pipe
VENT DAMPERS - Any vent damper, whether it is
and draft hood. Secure them together with a sheet metal
operated thermally or otherwise must be removed screw.
itits use inhibits proper drafting of the water
heater.
Thermally Operated Vent Dampers: Gas-fired water
heaters having thermal efficiency in excess of 80%
DRAFT HOOD _lr J VENT_J
J $
may produce a relatively low flue gas temperature. _ SCREW _ DRAFT HOOD
Such temperatures may not be high enough to ,"_"_.t_ _==ff=_ _t._ __%'%_'_-Y_ properly open thermally operated vent dampers.
This wouldcause spillage of flue gases and may _ LVENTTOOUTDOORSOR
cause carbon monoxide poisoning. DRAFT _IOOD_ -'"_'_ _ CHIMNEY
Vent dampers must bear evidence of certification as ( eT_i_e )
complying with the latest edition of American
National Standard ANSI Z21.68 (ANSi Z21.66 & 67,
respectively, cover electrically and mechanically actu-
ated vent dampers). Before installation of any vent
damper, consult your local gas utility or local codes
&WARNING
for further information.
The water heater with draft hood installed must be
dProperlyvented to a chimney which terminates out-
oors. Never operate the water heater unless it is
vented to the outdoors and has adequate air supply
&WARNING to avoid risks of improper operation, explosion or
To insure proper venting of this gas-fired water asphyxiation.
heater, the correct vent pipe diameter must be uti-
lized, Any additions or deletions of other gas appli- I
&WARNING
ances on a common vent with this water heater
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may adversely affect the operation of the water The vent pipe from the water heater must be no I
heater. Consult the local gas utility or call a Maytag less than the diameter of the draft hood outlet on
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Service Specialist at 1-800-365-0024 for an autho- I the water heater, and must slope upward to the I
rized servicer if any such changes are planned.
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chimney at least 1,:inch per linear foot. I
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