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Installing your water heater, Warning, Consumer information – State EPX 80 DHPT User Manual

Page 3: Consumer responsibilities, Basic operation fundamentals, Unpacking the water heater, Removing packaging materials

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INSTALLING YOUR WATER HEATER

Consumer Information

This water heater should be installed in accordance with

the local code authority having jurisdiction, the power

company or electric utility, and this installation manual.

In the absence of local code requirements, follow the

regulations set forth in the latest edition of The National

Electric Code, NFPA 70. This is available from the

following:
National Fire Protection Association

1 Batterymarch Park

Quincy, MA 02269
American National Standards Institute

1430 Broadway

New York, NY 10018
Check your phone listings for the local authorities having

jurisdiction over your installation.

Consumer Responsibilities

This manual has been prepared to acquaint you with the

installation, operation and maintenance of your electric heat

pump water heater and to provide important safety information

in these areas.
We urge you to read all of the instructions thoroughly before

attempting the installation or operation of this water heater.

This manual should be kept for future reference.
The manufacturer of this water heater will not be liable for any

damages caused by failure to comply with the installation and

operating instructions outlined in this manual.
If you lack the necessary skills required to properly install this

water heater or you have difficulty following the directions, you

should not proceed but have a qualified person perform the

installation of this water heater.

Examples of a qualified person include: licensed plumbers,

authorized electric company personnel, and authorized

service personnel.

Massachusetts code requires this water heater to be installed

in accordance with Massachusetts 248-CMR 2.00: State

Plumbing Code and 248-CMR 5.00.
A data plate identifying your water heater can be found

adjacent to the upper element door. When referring to your

water heater always have the information listed on the data

plate readily available, to include the model and serial number.
Retain your original receipt as proof of purchase.

Basic Operation Fundamentals

The Heat Pump Water Heater (HPWH) is an integrated

heat pump water heater unit, having an 850 watt

compressor and external coil heat exchanger with backup

electric elements (See Figure 1). When in Efficiency Mode

the heat pump draws heat from the ambient air in the room

and transfers it to the water in the tank through the coil

heat exchanger. While in Electric Mode the water heater

functions like a standard electric water heater, relying on

the electric elements to heat the water. A Hybrid Mode is

available that relies primarily on the heat pump to heat

the water while the electric elements only function during

high demand periods. (See “Adjusting the User Interface

Module/ Operational Mode” section). The more often

the unit operates using the heat pump, rather than the

elements, the more efficient the unit will be.
The tank capacity of this heat pump water heater is sized to

maximize the use of the heat pump to deliver hot water at

a lower cost as compared to heat pump waters with lower

tank capacities (50 gallons or less.)
The HPWH uses about half the electricity of a comparably

sized conventional electric water heater when operating

in the Efficiency Mode, and provides up to ½ ton cooling

capacity and dehumidification. It is designed for indoor,

residential applications for installation in a basement,

garage or utility room (See “Location Requirements”

section).

Ambient Air

Cool/Dehumidified Air

Heat Exchanger

(Heat Transfer Coils)

Upper Element

(4500 Watt)

Lower Element

(2000 Watt)

Water Tank

Jacket

Figure 1

Heat Pump Water Heater Basic Operation

Heat Pump

(Transfers heat

from ambient

air to Heat

Exchanger)

Unpacking the Water Heater

WARNING

Excessive Weight Hazard

Use two or more people to move and install

water heater.
Failure to do so can result in back or

other injury.

Removing Packaging Materials

IMPORTANT: Do not remove, cover or deface any

permanent instructions, labels, or the data label from either

the outside of the water heater or on the inside of water

heater panels.

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