Kenmore Elite 80 gal. Hybrid Electric Water Heater ENERGY STAR Owner's Manual download pdf (Page 10)

Water Piping System

Piping, ﬁ ttings, and valves should be installed according to the

installation drawing (Figure 9). If the indoor installation area

is subject to freezing temperatures, the water piping must be

properly insulated.

The water supply pressure should not exceed 80 psi. If this

occurs, a pressure reducing valve with a bypass should be

installed in the cold water inlet line. This should be placed on

the supply to the entire house in order to maintain equal hot and

cold water pressures.

IMPORTANT:

• Heat must not be applied to the water fittings on the

heater as they may contain nonmetallic parts. If solder

connections are used, solder the pipe to the adapter

before attaching the adapter to the hot and cold water

fittings.

• Always use a good grade of joint compound

and be certain that all fittings are tight.

IMPORTANT: DO NOT over apply joint compound.

Piping Installation

NOTE: To protect against untimely corrosion of hot and cold

water ﬁ ttings, it is strongly recommended that di-electric

unions or couplings be installed on this water heater when

connected to copper pipe.

1. Install the water piping and fittings as shown in Figure 9.

Connect the cold water supply (3/4” NPT) to the fitting

marked “Cold”. Connect the hot water supply (3/4” NPT)

to the fitting marked “Hot”.

2. The installation of unions in both the hot and cold water

supply lines are recommended for ease of removing the

water heater for service or replacement.

3. Some local codes may require, and the manufacturer of

this water heater recommends, installing a mixing valve

or an anti-scald device in the domestic hot water line as

shown in Figure 9. These valves reduce the point-of-use

temperature of the hot water by mixing cold and hot water

and are readily available. Contact a licensed plumber or

the local plumbing authority for more information.

4. Some local codes may require, and the manufacturer

of this water heater recommends, installing a pressure

reducing valve (PRV) in the cold water inlet line where it

enters the residence as shown in Figure 9.

5. If installing the water heater in a closed water system,

install an expansion tank in the cold water line as specified

under “Closed System/Thermal Expansion.”

6. Install a shut off valve in the cold water inlet line. It

should be located close to the water heater and be easily

accessible. Know the location of this valve and how to shut

off the water to the heater.

7. Install a discharge line from the temperature and pressure

relief valve in the opening marked “T & P RELIEF VALVE”.

See Figure 10 and the “Temperature and Pressure Relief

Valve” section.)

Cold Water

Inlet Valve

Cold Water

Inlet

Whole House Pressure Reducing

Valve (PRV) should be installed

where the water supply enters

the residence.

In a closed system, use a

thermal expansion tank.

See “Closed System/

Thermal Expansion”

section.

Cold Water Outlet

Shut-off Valve

(Cold)

Tempered Water to Fixtures

Untempered Water Outlet

Vacuum Relief Valve

Mixing Valve (Optional) - Follow the

Mixing Valve’s Manufacturer’s Installation

Instructions. (Set to 120° F)

6” Maximum

Air Gap

Metal Drain Pan 2 1/2”

Depth Maximum and

2 Inches wider than

the water heater.

Discharge Pipe

(Do Not Cap or Plug)

Temperature and

Pressure Relief Valve

Union

Shut-off Valve (Hot)

Drain Line 3/4”

ID Minimum

Drain

Condensate Drain Lines*

Massachusetts: Install a vacuum relief in cold

water line per section 19 MGL 142.

* If an adequate drain is not available for the condensate drain lines then a condensate pump should be used. DO NOT discharge the condensate drain

lines into the metal drain pan.

Union

Hot

(Outlet)

Cold

(Inlet)

Heat Trap - The top of the heat trap

must be higher than the storage tank

of the water heater.

FIGURE 9.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

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Kenmore Elite 80 gal. Hybrid Electric Water Heater ENERGY STAR Owner's Manual Page 10

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