Nortek Global E7ED DOWNFLOW

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Downflow & Upflow Models

WARNING

ELECTRICAL SHOCK, FIRE OR

EXPLOSION HAZARD

Failure to follow safety warnings exactly could

result in serious injury, death or property

damage.

Improper servicing could result in dangerous

operation, serious injury, death or property

damage.

• Before servicing, disconnect all electrical

power to Appliance both poles.

• When servicing controls, label all wires prior

to disconnecting. Reconnect wires correctly.

• Verify proper operation after servicing.

DO NOT DESTROY. PLEASE READ CAREFULLY &

KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

INSTALLATION INSTRUCTIONS

E7ED DOWNFLOW

E7EU UPFLOW

E7EM MULTI-POISE

ATTENTION INSTALLERS:

It is your responsibility to know this product better than your

customer. This includes being able to install the product

according to strict safety guidelines and instructing the

customer on how to operate and maintain the equipment

for the life of the product. Safety should always be the

deciding factor when installing this product and using

common sense plays an important role as well. Pay

attention to all safety warnings and any other special

notes highlighted in the manual. Improper installation of

the Appliance or failure to follow safety warnings could

result in serious injury, death, or property damage.

These instructions are primarily intended to assist qualified

individuals experienced in the proper installation of this

appliance. Some local codes require licensed installation/

service personnel for this type of equipment. Please read

all instructions carefully before starting the installation.

Return these instructions to the customer’s package for

future reference.

E7 Series Electric Furnace

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Summary

General Safety and Installer Information

Electrical, Fire, and Explosion Hazards

Details hazards related to electrical shock, fire, or explosion, emphasizing proper servicing and disconnection of power.

Installer Responsibilities and Guidance

Outlines the installer's responsibility to know the product, follow safety guidelines, and instruct the customer on operation and maintenance.

Installation Requirements and Codes

Minimum Installation Clearances

Specifies required clearances around the appliance for positioning and servicing, referencing Table 1.

Minimum Unobstructed Airflow

Appliance Installation Procedures

Pre-Installation Checks

Electrical Wiring and Connections

Electrical Safety Warnings

Reiterates critical safety warnings related to electrical hazards during installation and servicing.

Line Voltage Wiring Guidelines

Important notes on line voltage polarity and circuit breaker protection for the unit.

Supply Service Wire Connections

Step-by-step instructions for making the main power supply wire connections to the unit.

Electrical System and Control Integration

Appliance Grounding Procedure

Emphasizes the necessity of an uninterrupted electrical ground for safety and proper operation.

Thermostat and Low Voltage Wiring

Details for connecting the 24VAC thermostat, including mounting recommendations.

Humidifier and Dehumidification Control

Blower Speed Adjustment

Control Circuit Wiring Installation

Appliance Start-Up Procedures

Pre-Start Component Checklist

A checklist of essential items to verify before energizing the appliance, ensuring correct connections and grounding.

Initial Start-Up Sequence

Steps to follow for safely starting up and commissioning the appliance after installation.

Motor Control Board Overview

E7 Motor Control Board Diagram and Codes

Illustration of the E7 motor control board, showing DIP switches, display codes, and connection terminals.

Model E7 EB-010 K Wiring Diagram

Model E7 EB-012 K Wiring Diagram

Model E7 EB-015 K Wiring Diagram

Model E7 EB-017 K Wiring Diagram

Models E7 EB-020 K & E7 EB-023 K Wiring Diagram

Installation Completion Checklist

Electrical System Installation Checks

Checklist items verifying electrical connections, polarity, voltage, thermostat calibration, grounding, and anticipator settings.

Combustion Air & Venting System Checks