Desa CD42M-A2 - Manual (Page 3)

www.desatech.com 111916-01F 3
INTRODUCTION
WARNING: This product con-
tains and/or generates chemicals
known to the State of California
to cause cancer or birth defects
or other reproductive harm.
Models CD32M series, CD36M-A series and
CD42M-A series are heat circulating grav-
ity direct-vent fireplaces with sealed combustion
chamber. These fireplaces use millivolt gas control
valve and millivolt ignition system.
These fireplaces are convertible with the standard
setup as natural gas. Conversion may be performed
by the O.E.M. mobile home builder or by a quali-
fied service person on-site. If you are uncertain as
to what gas your unit is equipped for, please check
the rating plate located inside of the appliance
opening or consult your mobile home supplier or
your local distributor of DESA/Vexar products.
NOTICE: Check local building
codes for area requirements be-
fore installing this appliance.
BEFORE YOU BEGIN
Before beginning the installation of your appli-
ance, read these instructions through completely.
This DESA/Vexar fireplace and its components are
safe when installed according to this installation
manual and operated as recommended. Unless
you use DESA/Vexar components designed and
tested for this fireplace system,
YOU MAY CAUSE
A SAFETY HAZARD!
The DESA/Vexar warranty will be voided by, and
DESA/Vexar disclaims any responsibility for the
following actions:
A) Modification to the fireplace, components,
doors, blower, fans or vent system.
B) Use of any component part not manufactured or
approved by DESA/Vexar in combination with
a DESA/Vexar fireplace system.
Proper installation is the most important step in
ensuring safe and continuous operation of the
fireplace. Consult the local building codes as to the
particular requirements concerned with the instal-
lation of all factory built fireplaces. This fireplace,
when installed, must be electrically grounded in
accordance with local codes or in the absence of
local codes, with the National Electrical Code,
ANSI/NFPA 70 or the Canadian Electrical Code,
CSA C22.1.
The installation must conform with local codes or,
in the absence of local codes, with the National Fuel
Gas Code, ANSI Z223.1 or the Canadian Installa-
tion Code, CAN/CGA B149. This appliance com-
plies with ANSI Z21.88-1998 and CSA 2.33-M98
as a VENTED GAS FIREPLACE HEATER.
SELECTING LOCATION
To determine the safest and most efficient loca-
tion for your fireplace, consider the following
guidelines:
1. The location must allow for proper clearances
(see Figure 1).
2. Consider a location where the fireplace would
not be affected by drafts, air conditioning
ducts, windows or doors.
3. A location that avoids the cutting of joists or roof
rafters makes ventilation installation easier.
In selecting a location, the following precautions
must be observed:
• Do not connect this appliance to a chimney
system used for solid fuel burning fireplace.
• Due to high temperatures, do not locate this
appliance in high traffic areas or near furniture
and draperies.
• Never obstruct the openings of the appliance
or flow of ventilation air. Keep the control
compartments accessible.
Figure 1 - Common Fireplace Locations
FULL
PROJECTION
CORNER
INSTALLATION
FLUSH
INSTALLATION
Flush installation is recommended where living
space is limited.
Projected installation may be ideal for a new
addition to an existing finished wall.
Corner installation makes use of a space that may
not normally be used and provides a wider and
more efficient range for radiant heat transfer.