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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
2
These appliances are designed to operate on
natural or propane gas only.
Input of millivolt models is variable. These rates
are shown in the following table:
INTRODUCTION
The Stove models covered in this manual are
Direct-Vent sealed combustion vented gas
stove heaters designed for residential applica-
tion. Direct-Vent appliances operate with the
combustion chamber isolated from the inside
atmosphere. All air for combustion is brought in
from the outside and exhaust gases are vented
through the same direct vent, vent system.
GENERAL INFORMATION
Note: Installation and repair should be performed
by a qualifi ed service person. The appliance
should be inspected annually by a qualifi ed
professional service technician. More frequent
inspections and cleanings may be required due to
excessive lint from carpeting, bedding material,
etc. It is imperative that the control compartment,
burners and circulating air passage ways of the
appliance be kept clean.
S'assurer que le brùleur et le compartiment des
commandes sont propres. Voir les instructions
d'installation et d'utilisation qui accompagnent
l'appareil.
Provide adequate clearances around air openings
and adequate accessibility clearance for service
and proper operation.
Never obstruct the front openings of the
appliance.
Due to high temperatures the appliance should
be located out of traffi c and away from furniture
and draperies. Locate furniture and window
coverings accordingly. The recommended
clearance zone from the front of the appli-
ance to combustibles is 36 inches (914 mm).
Maintain all other clearances as outlined in the
Installation Manual.
These millivolt appliances are designed to
operate on either natural or propane gas. A
millivolt gas control valve with piezo ignition
system provides safe, efficient operation.
External electrical power is required to operate
the optional electrically powered components
if installed.
These appliances comply with National
Safety Standards and are tested and listed
by OMNI-Test Laboratories Inc.; Beaverton,
Oregon (Report No. 116-S-08-05) to ANSI
Z21.88-2002 (in Canada, CSA-2.33-2002),
and CAN/CGA-2.17-M91 in both USA and
Canada, as vented gas heaters.
Installation must conform to local codes. In
the absence of local codes, installation must
comply with the current National Fuel Gas Code,
ANSI Z223.1 (NFPA 54). (In Canada, the current
CAN/CGA B149 installation code.) Electrical
wiring must comply with local codes. In the
absence of local codes, installation must be in
accordance with the National Electrical Code,
NFPA 70 - (latest edition). (In Canada, the current
CSA C22.1 Canadian Electric Code.).
TABLE OF CONTENTS
Introduction ......................................page 2
General Information ..........................page 2
Operation/Care of Your Appliance .....page 3
Control Compartment Access ...........page 3
Variable Flame Adjustment ................page 4
Burn-In Period ..................................page 4
Maintenance ......................................page 4
Glass Cleaning ..................................page 4
Maintenance Schedule ......................page 5
Front Glass Enclosure Panel,
Removal and Installation .................page 6
Burner Adjustments ..........................page 6
Flame Appearance and Sooting .........page 6
Adjustment ........................................page 7
Log Placement ..................................page 8
Rockwool Placement .........................page 9
Millivolt Appliance Checkout .............page 9
Wiring Diagrams ...............................page 10
Warranty Information ........................page 10
Accessory Components ....................page 11
Lighting Instructions – Millivolt ........page 13
Troubleshooting Guide – Millivolt .....page 15
Replacement Parts List .....................page 16
Table 2 shows the units' gas orifi ce size for
the elevations indicated.
WARNING: THESE STOVES ARE VENTED
HEATERS. DO NOT BURN WOOD OR OTHER
MATERIAL IN THESE APPLIANCES.
WARNING: IMPROPER INSTALLATION,
ADJUSTMENT, ALTERATION, SERVICE
OR MAINTENANCE CAN CAUSE INJURY
OR PROPERTY DAMAGE. REFER TO
THIS MANUAL. FOR ASSISTANCE OR
ADDITIONAL INFORMATION CONSULT
A QUALIFIED INSTALLER, SERVICE
AGENCY OR THE GAS SUPPLIER.
CONGRATULATIONS ON THE PURCHASE OF YOUR NEW GAS APPLIANCE MANU-
FACTURED BY LENNOX HEARTH PRODUCTS.
When you purchased your new gas fi red heater, you joined the ranks of thousands of
concerned individuals whose answer to their home heating needs refl ects their concern for
aesthetics, effi ciency and our environment. We extend our continued support to help you
achieve the maximum benefi t and enjoyment available from your new gas fi red heater. It
is our goal at Lennox Hearth Products to provide you, our valued customer, with an appli-
ance that will ensure you years of trouble free warmth and pleasure.
Thank you for selecting a Lennox Hearth Products gas fi red heater as the answer to
your home heating needs.
Sincerely,
All of us at Lennox Hearth Products
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLI-
ANCE OR ITS COMPONENTS.
ANY MODIFICATION OR ALTERA-
TION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS
UNIT.
Input (BTU/HR) Manually-Modulated Gas
Valves (millivolt models)
Models Nat. Gas Propane
CI1500DVF
17,500 to
28,000
20,500 to
27,000
CI2500DVF
25,500 to
38,500
26,500 to
34,500
Table 1
Burner Orifi ce Sizes
Model
No.
Nat.
Gas
Prop.
Gas
Elevation
Feet
(meters)
CI1500DVF .104" .061"
0-4500
(0-1372)
CI2500DVF
.121" .068"
0-4500
(0-1372)
Table 2