Whirlpool Water Heater 318686-000 사용자 설명서

6

Please note the following:

 

DO NOT install this water heater with iron piping. 

 

The system should be installed only with piping that 

 

is suitable for potable (drinkable) water such as  

 

copper, CPVC, or polyethylene (PEX). 

 

DO NOT use PVC water piping.

 

DO NOT use any pumps, valves, or fi ttings that are  

 

not compatible with potable water.

 

DO NOT use valves that may cause excessive 

 

restriction to water fl ow. Use full-fl ow ball or gate

 valves 

only.

 

DO NOT use tin-lead solder in potable water lines.  

 

Use 95/5 tin antimony or other equivalent material.

NOT tamper with the energy smart module,

 

electronic thermostat, temperature sensors, heat- 

 

ing elements, electrical connections, or temperature  

 

and pressure relief valve. Tampering voids all war- 

 

ranties. Only qualifi ed person should service these  

 components.
 DO 

NOT use with piping that has been treated with

 

chromate’s, boiler seal, or other chemicals.

NOT add any chemicals to the system piping

 

which will contaminate the potable water supply.

Typically, a closed system includes a pressure reducing 

valve (PRV) on the cold water inlet (supply line). As water 

is heated, it expands (thermal expansion). In a closed sys-

tem, the volume of water will grow. As the volume of water 

grows, there will be a corresponding increase in water 

pressure due to thermal expansion. Thermal expansion 

can cause premature tank failure (leakage). This type of 

failure is not covered under the limited warranty. Thermal 

expansion can also cause intermittent temperature-

pressure relief valve operation: water discharged from the 

valve due to excessive pressure build up. The tempera-

ture-pressure relief valve is not intended for the constant 

relief of thermal expansion. This condition is not covered 

under the limited warranty. 

A properly-sized thermal expansion tank should be in-

stalled on all closed systems to control the harmful effects 

of thermal expansion. Contact a plumbing service agency 

or your retail supplier regarding the installation of a ther-

mal expansion tank.

°F/°C

F

For protection against excessive pressures and

temperatures, a temperature and pressure relief valve

must be installed in the opening marked “T&P RELIEF

VALVE” (See Figure 5). This valve must be design certi-

fi ed by a nationally recognized testing laboratory that 

maintains periodic inspection of the production of listed 

equipment or materials as meeting the requirements 

for Relief Valves for Hot Water Supply Systems, ANSI 

Z21.22. The function of the temperature and pressure 

relief valve is to discharge water in large quantities in the 

event of excessive temperature or pressure develop-

ing in the water heater. The valve’s relief pressure must 

not exceed the working pressure of the water heater as 

stated on the rating plate.

IMPORTANT: Only a new temperature and pressure 

relief valve should be used with your water heater. Do 

not use an old or existing valve as it may be damaged or 

not adequate for the working pressure of the new water 

heater. Do not place any valve between the relief valve 

and the tank.

• Temperature-pressure relief 

valve must comply with ANSI 
Z21.22-CSA 4.4 and ASME 
code.

•  Properly sized temperature-

pressure relief valve must be 
installed in opening provided.

•  Can result in overheating 

and excessive tank pressure.

•  Can cause serious injury or 

death.

Expansion 40psi  2  2 2 5 5

Tank 

50psi  2  2 2 5 5

Capacity  60psi  2  2 5 5 5

Needed  70psi  2  2 5 5 5

   

80psi  2  5 5 5 5

A thermal expansion tank can help prevent damage to the 

water heater and other appliances (i.e.: washing machine, 

ice maker, dishwasher, etc.).
IMPORTANT: Do not plug or remove the temperature and 

pressure relief valve (T&P valve).