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NEVER use any toxic chemical, including automotive, standard
glycol antifreeze, or ethylene glycol made for hydronic (non-
potable) systems. These chemicals can attack gaskets and seals in
water systems, are poisonous if consumed, and can cause personal
injury or death.
NOTE: Damages resulting from incorrect installation or from use
of products not approved by Westinghouse ARE NOT covered by
warranty.
G. Water Temperature Adjustment and Scalding
This water heater can deliver scalding water. Be careful whenever
using hot water to avoid scalding injury. Certain appliances such as
dishwashers and automatic clothes washers may require increased
water temperatures. By setting the thermostat on this heater
to obtain the increased water temperature required by these
appliances you may create the potential for scald injury.
To protect against injury, install a mixing valve in the water system.
This valve will reduce point of use discharge temperatures by mixing
cold and hot water in branch supply lines. Such valves are available
from your local plumbing supplier.
Table 2 details the relationship of water temperature and time with
regard to scald injury and may be used as a guide in determining the
safest water temperature for your applications.
Households with small children, disabled, or elderly persons may
o
require a 120
F or lower temperature setting to prevent severe
personal injury or death due to scalding.
H. High Elevation Installations
Natural gas at high elevation might contain less heating value
than typical 1,000 BTU/cu ft and therefore can cause improper
air / gas mix leading to improper combustion. For natural gas
installations above 3,000 ft, call your gas provider to determine
the heating value of the supplied natural gas.
Part 2 - Before You Start
Open the shipping crate of the water heater.
UNCRATING THE WATER HEATER - Any claims for damage or
shortage in shipment must be filed immediately against the
transportation company by the consignee.
A. What's in the Box
Components included with the water heater:
Item
Hybrid Water Heater
User and Installation Manuals
3" Mesh Vent Screens
Approximate Time / Temperature Relationships in Scalds
120
o
F
125
o
F
o
130
F
135
o
F
140
o
F
o
145
F
150
o
F
155
o
F
Table 2 - Time and Temperature Relationship in Scalds
An ASSE 1017 or ASSE 1070 temperature limiting or mixing valve is
recommended in installations servicing disabled or elderly persons,
or children. Mixing valves do not eliminate the risk of scalding.
To avoid scalding:
•
Set the water heater set point temperature as low as possible.
•
Feel water before bathing or showering.
•
If thermostatic valves are required, use devices specifically
designed for such purpose. Install these devices in accordance
with instructions provided by the manufacturer.
Failure to install a temperature limiting or mixing valve and follow
these instructions could result in property damage, severe personal
injury, or death due to scalds.
Description
More than 5 minutes
1 1/2 to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 1 1/2 seconds
About 1 second
Quantity
1
1 each
2 screens
whl-605 Rev. 002 Rel. 000 Date 1.23.19
7
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