Instructions / Assembly

10
WHL-015 REV. 8.24.16
D. WHEN SERVICING THE APPLIANCE
 To avoid electric shock, disconnect electrical supply before performing maintenance.
 To avoid severe burns, allow appliance to cool.
 Do not use petroleum-based cleaning or sealing compounds in a appliance system. Gaskets and seals in the system may be
damaged, possibly resulting in substantial property damage.
 Do not use “homemade cures” or “patent medicines”. Substantial property damage, damage to appliance, and/or serious
personal injury may result.
 Always verify proper operation after servicing the appliance.
E. WATER QUALITY
Potable water is defined as drinkable water supplied from utility or well water in compliance with EPA secondary maximum contaminant
levels (40 CFR Part 143.3) as shown in Table 2. It is important to ensure the water quality is within these determined limits. If your
water contains contaminants higher than outlined by EPA, then water treatment is recommended and additional maintenance may be
required. If you suspect that your water is contaminated in any way, discontinue use of the appliance and contact an authorized
technician or licensed professional.
Contaminant
Maximum Allowable Level
Contaminant
Maximum Allowable Level
Total Hardness
200 mg/l (12 grains/gallon)
Manganese
0.05 mg/l
Aluminum
0.05 to 0.2 mg/l
pH
6.5-8.5
Chloride
250 mg/l
Sulfate
205 mg/l
Copper
1 mg/l
Total Dissolved Solids (TDS)
500 mg/l
Iron
0.3 mg/l
Zinc
205 mg/l
Table 2 – Water Quality Specifications
F. FREEZE PROTECTION
Consider appliance piping and installation when determining appliance location.
NOTE: Damages resulting from incorrect installation or from use of products not approved by
Westinghouse ARE NOT covered by warranty.
G. SCALDING
This 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 temperature. 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, you should install a mixing valve in the water system. This valve will
reduce point of discharge temperature by mixing cold and hot water in branch supply lines.
Such valves are available from your local plumbing supplier.
Table 4 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.
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.
Table 3 – Time and Temperature Relationship in Scalds
APPROXIMATE TIME / TEMPERATURE RELATIONSHIPS IN SCALDS
120
o
F
More than 5 minutes
125
o
F
1 ½ to 2 minutes
130
o
F
About 30 seconds
135
o
F
About 10 seconds
140
o
F
Less than 5 seconds
145
o
F
Less than 3 seconds
150
o
F
About 1 ½ seconds
155
o
F
About 1 second