Water Piping - Maytag HJ640NOVET User Manual

Power vent gas water heater
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Instructions for Installation (cont'd)
Water
Piping
AWARNING
2. Look at the top cover of the water heater. The cold water
HOTTER WATER CAN SCALD: Water
heaters
are
inlet is marked cold. Connect the cold water pipe to the
intended to produce hot water. Water heated to a
coldwaterinletof the waterheater.
temperature which will satisfy clothes washing,
dish washing,
and other
sanitizing
needs can scald
NOTE: This water heater is
super insulated
to
minimize
and permanently
injure you upon contact. Some
people
are more likely to be permanently
injured
by
heat loss from the tank. Further reduction in heat loss
hot water
than others.
These include
the elderly,
canbeaccompllshedbyinsulatingthehotwaterlines
children,
the infirm, or physically/mentally
handi-
_om the water heater.
capped. If anyone using hot water in your home fits
into one of these groups or if there is a local code or
state law requiring a certain temperature
water at
the hot water tap, then you must take special pre-
cautions. In addition to using the lowest possible
temperature
settingthat
satisfies your hot water
needs, a means such as a mixing valve, should be
used at the hot water taps used by these people or
VENTTO
at the water heater. Mixing valves are available at
OUTDOORS
_alumbing supply or hardware stores. Follow manu-
cturers instructions for installation of the valves.
COLDINLET
Before changing the factory setting on the thermo-
WATER LINE
stat, read the "Temperature
Regulation" section in
this manual.
SHUTOFF
J
This water heater shall not be connected to any heating sys-
tems or component(s) used with a non-potable water heating
appliance.
If a water heater is installed in a closed water supply system;
__
TEMPERATURE-
such as one having a back-flow preventer, check valve, water
PRESSURE
RELIEF
meter with a check valve, etc.., in the cold water supply;
VALVE
I
means shall be provided to control thermal expansion.
J
Contact the local utility or call Maytag Customer Service
HOTOUTLET
Center at 1-800-788-8899
for an authorized installer on how
TO HOUSE
to control this situation.
NOTE: To protect against untimely corrosion of hot and
cold water fittings, it is strongly recommended that di-elec-
tric unions or couplings be installed on this water heater
when connected to copper pipe.
DISCHARGE PIPE
(Donot capor plug)
The illustration shows the attachment of the water piping to
PROVIDE A 6" AIR
GAPBETWEEN T HE
the water heater. The water heater is equipped with 3/4inch
ENDOFTHE
DISCHARGE PiPE
water connections for 40,000 and Btuh models and 1 inch
AND DRAIN
water connections for 70,000 and 75,000 Btuh models.
NOTE: If using copper tubing, solder tubing to an adapter
before attaching the adaptor to the cold water inlet connection.
Do not solder the cold water supply line directly to the cold
water inlet. It will harm the dip tube and damage the tank.
1. Look at the top cover of the water heater. The water outlet
is marked hot. Connect the hot water pipe to the hot
water outlet on the water heater.
15

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