Nortek C74BAM User Manual

C74BA & C74BH Series Split System Indoor Cased/Uncased Coils With Orifice
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.

Nortek C74BAM Specifications

General

Brand	Nortek
Model	C74BAM
Category	Air Conditioner
Language	English

Summary

Important Safety Information

Nitrogen Pressurization Safety

Warning about safe handling of nitrogen-pressurized coils, avoiding face exposure during depressurization.

Proposition 65 Chemical Warnings

Installation and Service Hazards

Warning about hazards from improper installation, service, or adjustment leading to injury or damage.

General Installation Guidelines

Coil Installation Procedures

Electrical and Fire Hazard Warning

Warning about electrical shock, fire, or explosion hazards during servicing and installation.

Condensate Drainage Leveling

Refrigerant Line Connections

System Depressurization

Orifice Replacement

Brazing Precautions

Cautions regarding brazing, including using a wet rag and dry nitrogen flow.

Condensate Drain and Air Filter

Drain Trap Installation

Important note on installing a trap to prevent condensation overflow and water damage.

Completing Installation and Maintenance

Service Hazard Warning

Warning about electrical shock, fire, or explosion hazards during servicing.