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Nortek VP7RE Series User Manual

Nortek VP7RE Series
20 pages
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SINGLE PACKAGE AIR CONDITIONER - SINGLE STAGE, R-410A
14 SEERP7RE / PPA3RE SERIES
INSTALLATION INSTRUCTIONS
IMPORTANT
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 furnace 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.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
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Nortek VP7RE Series Specifications

General IconGeneral
SeriesVP7RE
RefrigerantR-410A
Energy Efficiency Ratio (EER)Up to 12.5
Cooling Capacity24, 000 - 60, 000 BTU/H
Heating Capacity24, 000 - 60, 000 BTU/H
Power Supply208/230V, 1 Phase, 60 Hz
Noise LevelAs low as 55 dB
Dimensions (H x W x D)Varies by model
WeightVaries by model

Summary

Important Safety Information

Electrical Safety Warnings

Addresses potential hazards related to electrical shock, fire, and explosion during installation and servicing.

Refrigerant Handling and Installation Safety

Details warnings for R-410A refrigerant, emphasizing qualified personnel for charging and handling.

General Installation and Service Warnings

Highlights the importance of following local codes, using qualified installers, and avoiding unqualified service.

General Information

Pre-Installation Unit Checks

Covers load calculation, insulation, power supply verification, and unit inspection upon arrival.

Unit Placement and Location

Provides guidance on selecting a solid, level outdoor position, considering duct length, and avoiding confined spaces.

Minimum Airflow Clearances

Specifies required clearances around the unit for unobstructed airflow and proper servicing.

Air Duct System Requirements

Outlines standards for duct installation, including NFPA guidelines and ACCA methods.

Air Conditioner Installation

Unpacking and Handling the Unit

Instructs on safely unpacking the unit and precautions against tipping to prevent compressor damage.

Installing Supply and Return Air Collars

Details the process for positioning and securing supply and return air collars to the unit openings.

Supply Duct Connection

Provides steps for attaching the supply duct collar to the unit opening, ensuring a proper fit.

Return Duct Connection

Explains how to assemble and attach the return air collar to the unit's rear panel.

Return Air Assembly Installation

Guides on locating and installing the return air box and grille, ensuring filter accessibility.

Flexible Duct Connections

Covers connecting flexible ducts using clamps, minimizing length, and avoiding sharp bends.

Supply Damper Installation

Details the procedure for installing a supply damper in the furnace base to prevent cold air discharge.

Electrical Connections

Pre-Electrical Checklist

Verifies voltage, frequency, phase, supply capacity, and factory wiring before making connections.

Line Voltage Requirements

Details requirements for disconnect switches, dedicated circuits, and connecting field wiring to the unit.

Grounding Procedures

Specifies the need for an uninterrupted electrical ground and how to connect it using the green grounding screw.

Overcurrent Protection Guidelines

Recommends using the smallest fuse/breaker that allows normal operation while providing maximum protection.

Thermostat and Low Voltage Wiring

Covers 24 VAC control circuit requirements, wiring routes, and thermostat mounting considerations.

Start Up & Adjustments

Pre-Start Checklist

A checklist of critical items to verify before initiating unit startup, including levelness and duct sealing.

System Cooling Operation Check

Procedure to verify proper cooling function by setting thermostat and checking discharge air.

System Heating Operation Check

Procedure to verify proper heating function for units equipped with electric heat.

Refrigerant Charging

Charging the Unit (Outdoor Temperatures Above 65° F)

Details the method for checking and adjusting refrigerant charge using pressure and temperature measurements.

Safety Switches Functionality

Explains the operation of high and low-pressure switches designed to protect the compressor.

Air Conditioner Maintenance

Routine Maintenance Tasks

Lists essential maintenance like filter inspection, cleaning coils, and checking electrical connections.

Installation Checklist

Replacement Parts

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