Heatilator CNXT70PLUS, Owner'S Manual

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4 Hearth & Home Technologies • CNXT70PLUS • 4034-105 Rev C • 09/05
1
Listing and Code Approvals
A. Appliance Certifi cation
Do NOT use this appliance if any part has been under
water. Immediately call a qualifi ed service technician
to inspect the appliance and to replace any part of the
control system and any gas control which has been
under water.
WARNING
MODELS: CNXT70PLUS
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Vented Gas Appliance
STANDARD: ANSI Z21.50-2000 • ANSI Z21.47-1998 •
CSA 2.22-2000 • CGA 2.3-M98
NOT INTENDED FOR USE AS A PRIMARY HEAT
SOURCE.
This appliance is tested and approved as either
supplemental room heat or as a decorative appliance. It
should not be factored as primary heat in residential heating
calculations.
Note: This installation must conform with local codes. In the
absence of local codes you must comply with the National
Fuel Gas Code, ANSI Z223.1-latest edition in the U.S.A.
and the CAN/CGA B149 Installation Codes in Canada.
B. BTU Specifi cations
C. High Altitude Installations
The CNXT70PLUS is power vented. High altitude gas appli-
ance considerations are no longer of concern, as long as the
gas appliance is properly installed with the HRV200PLUS
properly balanced (refer to HRV200PLUS manual).
Note: This appliance CANNOT be installed at an elevation
above 6,200 ft (1,890 meters)
This is a power-vented gas appliance. Do not burn
wood or materials other than as listed on the rating
plate in this fresh air fi replace.
WARNING
Model
Max Input
BTUH
Min Input
BTUH Orifi ce Size
CNXT70PLUS-LP Front 43,500 33,000 .039 in./.99 mm
Back .066 in./1.68 mm
CNXT70PLUS-NG Front 47,000 34,000 .059 in./1.49 mm
Back .117 in/2.97 mm
E. Non-Combustible Materials
Materials that are reported as passing ASTM E 136, Stan-
dard Test Method for Behavior of Materials in a Vertical
Tube Furnace at 750° C,
shall be considered non-combus-
tible materials.
F. Combustible Materials
Materials made of or surfaced with wood, compressed pa-
per, plant fi bers, plastics, or other material that can ignite and
burn, whether fl ame proofed or not, or whether plastered or
unplastered shall be considered combustible materials.