COZY CDV155B User Manual

DIRECT VENT
WALL FURNACE
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 70905
REV. 02/2010
R
R
INSTALLER: Leave this manual with the
appliance.
CONSUMER: Retain this manual for
future reference.
NATURAL GAS CDV155B CDV255B CDV335B
L.P. GAS CDV156B CDV256B CDV336B
MODEL NUMBERS
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
- WHAT TO DO IF YOU SMELL GAS:


 Do not try to light any appliance.


 Do not touch any electrical switch, do not use any
phone in your building.


 Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.


 If you cannot reach your gas supplier, call the fire
department.
- INSTALLATION AND SERVICE MUST BE
PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
CDV15-B
CDV25/
CDV33-B
The coating selected to provide longer life to
the heat exchanger may smoke slightly upon
initial firing. Please provide adequate
ventilation if this occurs.
The appliance may be installed in an aftermarket permanently located, manufactured home (USA only)
or mobile home, where not prohibited by local codes. This appliance is only for use with the type of
gas indicated on the rating plate. This appliance is not convertible for use with other gases, unless a
certified kit is used.
WARNING: Operation of this furnace without the properly installed, furnished vent system and vent
cap could result in Carbon Monoxide (CO) poisoning and possible death. For your safety, this furnace
and the vent system should be inspected at least annually by a qualified service technician.
This unit is for residential use only and is not approved for installation in greenhouses, or environments
involving dusty, wet, corrosive, or explosive conditions. Such conditions will invalidate the warranty and
may create unsafe conditions.
Installation, maintenance, service, trouble shooting and repairs must be performed by a qualified service agency.
Mr./Mrs. Homeowner, DO NOT attempt any of these procedures yourself as this could expose you to property
damage, personal injury, or loss of life and will invalidate all warranties.

COZY CDV155B Specifications

General

Model	CDV155B
Type	Wall Furnace
Fuel Type	Natural Gas or Propane
Output BTU/h	12, 000 BTU/h
Venting	Direct Vent
Efficiency Rating/Efficiency	80%
Thermostat	Manual

Summary

Product Information and Safety

Introduction and Specifications

Overview of furnace features, model details, and technical specifications.

General Safety Rules

Essential safety precautions for operating and maintaining the wall furnace.

Installation Procedures

Installation Clearances

Required clearances around the furnace for safe installation.

Vent Terminal Clearances

Specific clearance requirements for the vent terminal installation.

Location and Installation Steps

Recommended placement and initial installation procedures for the furnace.

Gas Connection

Procedure for connecting the gas supply to the furnace.

Operation and Settings

Lighting Instructions

Step-by-step guide for lighting the furnace pilot and main burner.

Pilot and Burner Adjustments

Adjusting pilot flame, burner orifice, and understanding flame characteristics.

Thermostat Installation

Instructions for installing and connecting the furnace thermostat.

Support and Maintenance

Optional Blower Kit Installation

Instructions for installing the optional DVB-3 blower kit.

Parts List and Ordering

Identification of furnace parts and guidance on how to order them.

Troubleshooting and Maintenance

Guidance for diagnosing issues and performing routine furnace maintenance.

Critical Safety and Warranty

Important Safety Bulletin

Critical safety information regarding gas control and pilot light systems.

Limited Warranty Information

Details of the manufacturer's warranty for the Cozy Direct Vent Wall Furnace.