Nortek C84DA Series User Manual

C84DA Series Split System Uncased Indoor Coils - Downturn
INSTALLATION INSTRUCTIONS
DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
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.

Nortek C84DA Series Specifications

General

Brand	Nortek
Model	C84DA Series
Category	Heater
Language	English

Summary

Installer Responsibilities and Safety

Attention Installers: Key Responsibilities

Details installer's responsibility for proper installation, safety, and customer instruction.

Important Safety Information

Nitrogen Pressurization Warning

Warns about factory nitrogen pressurization and safe handling procedures.

Proposition 65 Warning

Informs about chemicals known to cause cancer or reproductive harm.

General Installation Hazards and Compliance

Highlights risks from improper installation and emphasizes compliance with codes and safety.

General Information

Coil Design and Application

Describes C84DA coils for upflow/downflow, refrigerant connections, and brazing readiness.

Optional Equipment and Airflow

Details requirements for optional equipment and verifying adequate airflow for coil installation.

Refrigerant Line Handling

Provides guidelines for bending, routing, and protecting refrigerant lines during installation.

Coil Enclosure and Seals

Instructs on insulating coil enclosure and suction line, and managing coil seals.

Coil Installation Procedures

Electrical and Servicing Warnings

Warns about electrical shock, fire, explosion hazards during servicing.

Condensate Drainage Requirement

Emphasizes the need for a level coil for proper condensate drainage to prevent damage.

Upflow Installation Steps

Outlines the steps for installing the coil in an upflow configuration.

Downflow Installation Considerations

Notes requirements for installing coils in downflow applications, especially for fossil fuel systems.

Connecting the Linesets

Lineset Preparation and Cutting

Details on routing, cutting, and preparing lineset tubes for connection.

Brazing with Nitrogen Flow

Guides brazing connections with dry nitrogen flow to prevent oxidation and scaling.

System Evacuation and Charging

Explains system evacuation to recommended micron levels and refrigerant charging.

Leak Testing and Disposal

Provides methods for leak testing connections and proper disposal of removed parts.

Condensate Drain Management

Condensate Disposal and Codes

Discusses condensate disposal methods according to local codes and requirements.

Drain Pan and Connections

Details condensate pan connections, material for drain lines, and hand-tightening fittings.

Drain Line Trap and Insulation

Explains the importance of a drain line trap, insulation, and routing for proper drainage.

Air Filter and Maintenance

Air Filter Requirements

States that filters are not included but recommended, and should be installed upstream.

Filter Inspection and Replacement

Recommends inspecting and replacing/cleaning filters at least twice a year.

Maintenance and Service Safety

Provides critical safety warnings before performing any maintenance or servicing.

Periodic Maintenance Tasks

Lists essential maintenance tasks like checking filters, coil, drain pan, and condensate line.

Coil Specifications and Dimensions

Coil Specification Table

Presents a table of specifications including capacity, airflow, dimensions, and line connections.

Dimensional Diagram

Illustrates the physical dimensions of the C84DA coil with key measurements.

Important Notes for Specifications

Provides notes regarding restrictors, sales specifications, and AHRI directory references.