Vermont Castings DVR28IN Mounting instructions

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 electric switch; do not use
any phone in your building.
• Immediately call your gas supplier from your
neighbor’s phone. Follow the gas suppliers
instructions.
• If you cannot reach your gas supplier call the
fire department.
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.
ALWAYS READ THIS MANUAL FIRST BEFORE ATTEMPTING
TO INSTALL OR USE THIS FIREPLACE
IMPORTANT SAFETY INFORMATION
FOR YOUR SAFETY
Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
Direct Vent Model:
DVR28IN
Homeowner’s Installation
and Operating Instructions
20012301 6/08 Rev. 6
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INSTALLER: Leave this manual with the appliance CONSUMER: Retain this manual for future reference.
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220012301
Vermont Castings DVR28 Direct Vent Gas Fireplace
Table of Contents
Installation & Operating Instructions
Safety Information ...............................................................................................................................3
Requirements for the Commonwealth of Massachusetts ....................................................................5
Fireplace Dimensions ..........................................................................................................................6
Minimum Clearance Illustrations .........................................................................................................6
Firestop Framing .................................................................................................................................6
Locating Your Fireplace .......................................................................................................................7
Clearance to Combustibles .................................................................................................................7
Installation Instructions ........................................................................................................................7
Mounting the Fireplace ........................................................................................................................7
Gas Specifications, Gas Inlet and Manifold Pressures ........................................................................8
High Elevations ....................................................................................................................................8
Remote ON/OFF Hi/Lo Wall Mounted Transmitter ..............................................................................8
Gas Line Installation ............................................................................................................................8
DVR28 Wiring Diagram .......................................................................................................................9
Restrictor Plate Installation ..................................................................................................................9
General Venting Information
General Venting .................................................................................................................................10
General Venting - Termination Location ............................................................................................11
General Venting - Assembling Vent Pipes .........................................................................................12
How to Use the Vent Graph ...............................................................................................................13
Rear Wall Venting Applications and Installation .................................................................................13
Vertical Side Wall Venting Applications and Installation ....................................................................14
Below Grade Installation ....................................................................................................................15
Vertical Through-the-Roof Applications and Installation ....................................................................16
Venting Components .........................................................................................................................18
Operating Instructions
Glass Information ..............................................................................................................................19
Window Frame Assembly Removal ...................................................................................................19
Glass Cleaning ..................................................................................................................................19
Removal and Re-fitting of Curve Face ..............................................................................................19
Initial Lighting of the Fireplace ...........................................................................................................20
Flame & Temperature Adjustment .....................................................................................................20
Flame Characteristics ........................................................................................................................20
Inspecting the Venting System ..........................................................................................................20
Lighting & Operating Instructions ......................................................................................................21
Remote Control Transmitter Operating Instruction ............................................................................22
Troubleshooting .................................................................................................................................25
Maintenance
Cleaning the Standing Pilot Control System ......................................................................................29
Accessories
Curve Face Kit ...................................................................................................................................29
Screen Door Kit .................................................................................................................................29
Replacement Parts .........................................................................................................................................30
Warranty ..........................................................................................................................................................32
Energuide .......................................................................................................................................................32
Thank you and congratulations on your purchase of a CFM Corporation fireplace.
Always read the warnings and operating instructions first, before attempting to install or use this fireplace, to
prevent personal injury, property damage or voiding of the warranty.

20012301 3
Vermont Castings DVR28 Direct Vent Gas Fireplace
Installation & Operating Instructions
WARNING
Safety Information for the Installer
1. Always read all warnings and installation instruc-
tions before attempting to install this fireplace.
2. Always use a qualified installer, preferably NFI or
WETT (Canada) certified, to install this fireplace
in compliance with local building codes and with
current CSA B149.1 Installation Codes for Gas
Burning Appliances and Equipment. For USA In-
stallations, always comply with local codes and/or
the current National Fuel Gas Code, ANSI Z223.1/
NFPA 54.
3. This appliance may be installed in an aftermarket
permanently located manufactured home or mo-
bile home, where not prohibited by local codes.
4. Never install this fireplace in any room or other
location where a water source is present.
5. Always operate this fireplace with the type of gas
designated on the rating plate. Never attempt to
use any other type of gas, unless a certified con-
version kit has first been installed.
6. Always provide this direct vent fireplace with
its own separate vent pipe system that passes
through a wall or roof and terminates outside
the structure. Never connect this fireplace to an
existing chimney flue which concurrently serves
another fireplace, to prevent the risk of carbon
monoxide poisoning.
Safety Information for the User
1. Always read all warnings and operating instruc-
tions before attempting to use this fireplace.
2. This fireplace is extremely hot when in use. Never
touch the unit, and never attempt to perform any
routine maintenance while it is in operation or
before it has cooled to room temperature.
3. Never operate the fireplace while it is unattended.
Extreme caution is necessary if either children or
disabled persons are present.
4. Always keep combustible materials, including fur-
niture, pillows, bedding, clothes, curtains, drapes
and paper, at least 3 feet (914 mm) away from the
front of this fireplace when it is in use.
5. Never operate the fireplace if it has malfunctioned
and has not yet been serviced, or if it has been
exposed to water or damaged in any manner and
has not yet been fully repaired.
6. Never attempt to operate this direct vent fireplace
if the front glass panel is missing, open, cracked
or broken, as carbon monoxide poisoning could
result. Always use a qualified service technician
to replace a faulty glass panel and always install a
replacement glass panel that has been approved
by the CFM Corporation.
7. Never attempt to modify this fireplace in any way.
Always replace any components that have been
removed for servicing prior to attempting to oper-
ate the fireplace again.
8. Never store or use gasoline or other volatile sub-
stances in the vicinity of the fireplace.
9. Never use this fireplace as a drying rack for cloth-
ing, and never hang Christmas stockings or deco-
rations on or near it.
10.Never use this fireplace for any purpose or in any
manner not expressly set forth in this manual. Any
use not specifically intended by the manufacturer
may create a fire hazard or cause damage to the
fireplace.
11.Never place any solid fuel, such as wood, coal,
paper or cardboard, in this fireplace.
12.Always turn the gas valve to the OFF position
when the fireplace is not in use.
13.Never obstruct the flow of combustion and ven-
tilation air in any way. This direct vent fireplace
requires adequate ventilation and combustion air
to operate properly.
14.Always keep the control compartments, burners
and air passages in this fireplace clean and free
of dust and lint. Periodic inspection and cleaning
may be required, due to excess dust and lint from
carpeting and bedding. Always confirm that the
gas valve and pilot light are turned OFF, before
you attempt to clean this fireplace.
15.Always use a qualified service technician to
inspect this fireplace and the venting system
(chimney) for this fireplace at least once a year. If
needed, the venting system should be cleaned at
that time.
16.Always use a qualified technician or service
agency to perform any repairs to this fireplace.

420012301
Vermont Castings DVR28 Direct Vent Gas Fireplace
Installation & Operating Instructions
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BREAKING IN YOUR NEW FIREPLACE
• Remove any plastic covering materials that
may still be adhering to the trim parts, before
turning the fireplace ON for the first time.
• Burn the fireplace for at least ten (10) hours
the first time you use it, to break it in properly. If the
optional fan kit has been installed, place the fan
switch in the “OFF” position during this time.
• It is normal for fireplaces fabricated of steel to give
off some expansion and/or contraction noises during
the start up and cool down cycles. Similar noises are
produced by your furnace heat exchanger and your
car engine.
• It is also not unusual for your gas fireplace to give off
some odor the first time it is burned. This is due to the
curing of the paint and any undetected oil from the
manufacturing process.
• Provide adequate ventilation during the breaking in
process by opening all windows.
Proposition 65 Warning:
Fuels used in gas, wood burning or oil fired
appliances, and the products of combustion
of such fuels, contain chemicals known to
the State of California to cause cancer, birth
defects and other reproductive harm.
California Health & Safety Code Sec. 25249.6
Check with your electronics manufacturer before
installing a television set or other electronic device
above this fireplace.
CAUTION
NOTICE
DVR28IN Certified to ANSI Z21.88b-2008 / CSA 2.33b-
2008 Vented Gas Fireplace Heaters
This Direct Vent Gas Fireplace utilizes a sealed
combustion system in which outside air is brought
into the fireplace and the products of combustion
are exhausted from the fireplace through two sepa-
rate concentric passageways within the same metal
vent pipe. Since the vent pipe extends vertically
through an exterior wall or through the roof to the
atmosphere, the fireplace does not use room air for
combustion.

20012301 5
Vermont Castings DVR28 Direct Vent Gas Fireplace
Installation & Operating Instructions
Requirements for the Commonwealth of
Massachusetts
All gas fitting and installation of this heater shall only be
done by a licensed gas fitter or licensed plumber.
For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in
whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where
the side wall exhaust vent termination is less than seven
(7) feet above finished grade in the area of the venting,
including but not limited to decks and porches, the
following requirements shall be satisfied:
Installation of Carbon Monoxide Detectors
At the time of installation of the side wall horizontal
vented gas fueled equipment, the installing plumber
or gas fitter shall observe that a hard wired carbon
monoxide detector with an alarm is installed on each
additional level of the dwelling, building or structure
served by the side wall horizontally vented gas fueled
equipment. It shall be the responsibility of the property
owner to secure the services of qualified licensed
professionals for the installation of hard wired carbon
monoxide detectors.
In the event that the side wall horizontally vented gas
fueled equipment is installed in a crawl space or an attic,
the hard wired carbon monoxide detector with alarm and
battery back-up may be installed on the next adjacent
floor level.
In the event that the requirements of this subdivision can
not be met at the time of completion of installation, the
owner shall have a period of thirty (30) days to comply
with the above requirements; provided, however, that
during said thirty (30) day period, a battery operated
carbon monoxide detector with an alarm shall be
installed.
Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required in
accordance with the above provisions shall comply with
NFPA 720 and ANSI/UL 2034 listed and IAS certified.
Signage
A metal or plastic identification plate shall be permanently
mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with
the exhaust vent terminal for the horizontally vented gas
fueled heating appliance or equipment. The sign shall
read, in print size no less than one-half (1/2) inch in size,
“GAS VENT DIRECTLY BELOW, KEEP CLEAR OF
ALL OBSTRUCTIONS”.
Inspection
The state or local gas inspector of the side wall
horizontally vented gas fueled equipment shall not
approve the installation unless, upon inspection, the
inspector observes carbon monoxide detectors and
signage installed in accordance with the provisions of
248 CMR 5.08(2)(a)1 through 4.
Exemptions
The following equipment is exempt from 248 CMR
5.08(2)(a)1 through 4:
• The equipment listed in Chapter 10 entitled
“Equipment Not Required To Be Vented” in the most
current edition of NFPA 54 as adopted by the Board;
and
• Product Approved side wall horizontally vented gas
fueled equipment installed in a room or structure
separate from the dwelling, building or structure used
in whole or in part for residential purposes.
MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided
When the manufacturer of Product Approved side wall
horizontally vented gas equipment provides a venting
system design or venting system components with the
equipment, the instructions provided by the manufacturer
for installation of the equipment and the venting system
shall include:
• Detailed instructions for the installation of the venting
system design or the venting system components;
and
• A complete parts list for the venting system design or
venting system.
Gas Equipment Venting System NOT Provided
When the manufacturer of a Product Approved side
wall horizontally vented gas fueled equipment does not
provide the parts for venting the flue gases, but identifies
“special venting systems”, the following requirements
shall be satisfied by the manufacturer:
• The referenced “special venting system” instructions
shall be included with the appliance or equipment
installation instructions; and
• The “special venting systems” shall be Product
Approved by the Board, and the instructions for
that system shall include a parts list and detailed
installation instructions.
A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled
equipment, all venting instructions, all parts lists for
venting instructions, and/or all venting design instructions
shall remain with the appliance or equipment at the
completion of the installation.

620012301
Vermont Castings DVR28 Direct Vent Gas Fireplace
DVR28 Fireplace Dimensions
Fig. 1 Fireplace specifications and framing dimensions.
Finished Wall
1”
(25 mm)
Min.
12”
(305 mm)
Min.
12301
DVR28 specs
3/07
28” (711 mm)
20”
(511 mm)
6”
(162 mm)
15"
(395 mm)
14”
(377 mm)
7”
(183 mm)
Wall Mount
Bracket
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Typ. 16” (406 mm) o.c.*
10”
(264 mm)
9”
(238 mm)
FP1783
Fig. 3 Firestop framing.
1“
(25 mm)
Min.
10”
(254 mm)
Min.
24”
(610 mm)
Min.
FP1782
DVR29 min. clearances
3/07
27”
(686 mm)
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6“
(152 mm)
Min.
Finished Wall
Curve Face Trim
Minimum Side Wall Clearance
Top View
FP1784
Minimum Ceiling and
Floor Clearance Side View
Fig. 2 Minimum clearances.
NOTE: Minimum
clearances are with
face trim in place.
FP1782
Ceiling
Floor
Top of Unit

20012301 7
Vermont Castings DVR28 Direct Vent Gas Fireplace
Front of Unit to Combustibles ...................36” (914 mm)
Appliance
Top of Unit to Ceiling ..........................27” (686 mm)
Top of Face Trim to Ceiling ........ 24” (610 mm) Min.
Bottom of Unit to Floor .......................12” (305 mm)
Side of Unit to Sidewall ...................10¹⁄₂” (267 mm)
Back .......................................................1” (25 mm)
Venting
Concentric sections of DV Vent ....................1” (25 mm)
Nonconcentric sections of DV Vent
Sides and Bottom ...................................1” (25 mm)
Top .........................................................2” (51 mm)
Clearance to Combustibles
Installation Instructions
Preparation
Confirm that the fireplace is level and
properly positioned, before finalizing the
installation.
1. Choose the location for the fireplace. Maintain
proper height and clearances.
2. Make sure framing is 16” (406 mm) o.c. for place-
ment of wall mount brackets pre-drilled holes. If
framing is not 16” o.c., the installer can drill new
holes in wall mounting brackets to align with existing
framing dimensions.
3. Make sure framing for firestop is correct. NOTE:
Firestop is for combustible walls. Refer to firestop
framing instructions on Pages 6 and 14, Figures 3
and 17.
4. Plumb for gas connection. Refer to Gas Line Instal-
lation on Page 8.
5. Finish wall as desired.
Install the firestop in accordance with the
applicable instructions, if the wall is fin-
ished with combustible materials.
Mounting the Fireplace
Never place the fireplace on the floor or
on any hard surface with the bottom side
down, to avoid damaging the exposed
components.
1. The DVR28 comes with a wall mount bracket to
secure the fireplace to the wall. Standoffs on the
back of the bracket allow for proper clearances to
combustibles. (Fig. 5)
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16” o.c.
(406 mm)
Firestop
Framing
(if required)
Finished
Wall
Wall Mounting
Bracket
FP1786
Fig. 5 Secure wall mounting bracket in desired location.
2. Align pipe clearance hole in wall mounting bracket
with through-the-wall clearance opening on noncom-
bustible wall or through firestop opening on combus-
tible walls.
3. Make sure wall mount bracket is level. Secure to
framing studs using mounting screws supplied. En-
sure framing is 16” (406 mm) o.c. to accommodate
mounting bracket.
4. Align the top and bottom mounting holes of the fire-
place with the top and bottom holes of the mounting
bracket. Secure fireplace to mounting bracket using
sheet metal screws supplied. (Fig. 6)
Be careful not to damage any exposed
components on the bottom of the fireplace
while securing it to the mounting bracket.
A) Flat on wall B) Cross corner C) **Island
D) *Room divider E) *Flat on wall corner Y) 6” minimum
NOTE: (Fig. 4)
** Island (C) and Room Divider (D) installation is possible as
long as the horizontal portion of the vent system (X) does not
exceed 20’ (610 cm). See details in Venting Section.
* When you install your fireplace in (D) Room divider or (E)
Flat on wall corner positions (Y), a minimum of 6” (153 mm)
clearance must be maintained from the perpendicular wall and
the front side edge of the fireplace trim.
Refer to (Y) in Figure 4.
Locating Your Fireplace
LU584-R
Fig. 4 Locate gas fireplace.
YEA
C
D
YB
X
LU584-R
Locating unit
2/23/01 sta
X
B

820012301
Vermont Castings DVR28 Direct Vent Gas Fireplace
Always check for gas leaks with a mild
soap and water solution applied with a
brush no larger than 1” (25 mm). Never
apply soap and water solution with a spray
bottle. Never use an open flame for leak
testing.
Never subject the fireplace valve to any
test pressures exceeding 1/2 psi. Always
isolate or disconnect the valve from the
gas line when pressure testing.
The gas control is equipped with a captured screw type
pressure test point, therefore it is not necessary to pro-
vide a 1/8” test point up stream of the control.
When using a flex connector use only approved fittings.
Always provide a union when using black iron pipe
so the gas line can be easily disconnected for burner
servicing. See gas specification for pressure details and
ratings.
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

Sheet Metal
Screws (8)
Sheet Metal
Screws (4) FP1785
Wall Mounting Bracket
Secured to Walll
DVR28
Fig. 6 Secure fireplace to wall mounting bracket.
High Elevations
Input ratings are shown in BTU per hour and are
certified without deration for elevations up to
4,500 feet (1,370m) above sea level.
For elevations above 4,500 feet (1,370m) in USA,
installations must be in accordance with the cur-
rent ANSI Z223.1/NFPA 54 and/or local codes hav-
ing jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at
elevations above 4,500 feet (1,370m).
Gas Line Installation
Always remove the front window frame as-
sembly before purging the gas lines.
The gas pipeline can be brought in under the bottom of
the fireplace. The gas line connections will be covered
by bottom trim. Refer to Figure 7 for gas line dimen-
sions. Use 1/2” rigid pipe. When gas line is in place un-
der the fireplace, install supplied 1/2” FPT to 3/8” flare
brass fitting. Connect preinstalled flex line on fireplace
to brass fitting with 3/8” flare fitting on supply line.
The gas line connection can be made with 3/8” rigid
pipe or an approved flex connector. Since some munici-
palities have additional local codes, it is always best to
consult your local authority and the National Fuel Gas
Code, ANSI Z223.1/NFPA 54 in the USA or the CSA-
B149.1 installation code.
Remote ON/OFF Hi/Lo
Wall Mounted Transmitter
The DVR28 is equipped with a wireless transmitter. No
wires are required. Refer to Page 20 for first time use
and battery installation.
Inlet Minimum 5.5” w.c.
Inlet Maximum 14.0” w.c.
Manifold Pressure 3.5” w.c.
Gas Inlet and Manifold Pressures
Natural
12”
(318 mm)
6”
(152 mm)
FP1787
gas line install
3/07
1”
(32 mm)
Gas Line
Through Wall
Gas Line
Opening in
Wall FP1787
Fig. 7 Recommended gas line installation.
Max. Min. Air
Input Input Shutter
Model Fuel Gas Control BTU/h BTU/h Setting
1/8”
DVR28IN Nat. Millivolt Hi/Lo 18,500 16,500 open
on sides
Gas Specifications

20012301 9
Vermont Castings DVR28 Direct Vent Gas Fireplace
Restrictor Plate Installation
The DVR28IN is shipped with a restrictor plate for ex-
tended pipe runs other than straight out installations. A
guide for usage is shown in Figure 10.
NOTE: Some installations may require some adjust-
ment by the installer for optimum flame appearance.
Optimum flame appearance would be a flame not
subject to tall dirty yellow flames or lifting of flames from
burner tube.
Installation
1. Remove front glass assembly. Refer to Window
Frame Removal section on Page 19.
2. Remove three (3) screws securing flue diverter to top
of combustion case. Remove flue diverter. (Fig. 9)
CAUTION: Use care not to damage rear refractory.
3. Remove two (2) screws on sides of flue opening.
4. Install restrictor plate with two (2) screws removed
from back of unit. (Fig. 9)
5. Re-install flue diverter with three (3) screws removed
earlier.
6. Reinstall glass assembly. (Refer to Page 19)
Figure 10
Examples for Extended Run/Restrictor Plate Settings
1. 90° Elbow, vertical 8’ (2.4 m), 90° elbow, out 20’ (6 m)
2. 90° Elbow, vertical 11’ (3.4 m), 90° elbow, out 13’ (4 m)
3. 90° Elbow, vertical 20’ (6 m), 90° elbow, out 7’ (2 m)
4. 90°, 40’ (12 m) vertical
Flue restricted to:
1. 1¹⁄₈” (29 mm) opening in flue pipe outlet
2. 7/8” (22 mm) opening in flue pipe outlet
3. 3/4” (79 mm) opening in flue pipe outlet
4. 1³⁄₈” (35 mm) opening in flue pipe outlet
Fig. 9 Install restrictor plate for optimum flame appearance.
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

Flue Diverter
Remove
Three (3)
Screws
FP1789
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

Remove
Two (2)
Screws
Flue
Opening
FP1788



Restrictor
Plate
FP1790
Refer to Fig. 10
Pilot
Main AF-4000
Solenoid
Red
Black
White or Green
Green or White
Orange or White
AF-4000B/P Orange
Red Brown
Black
HI/LO DC Battery Pack
Main
Module
Black Gnd
Brown
Brown
Black
Red Optional DC
Battery Back-up
FP1750
DVR28 wiring diagram
2/07
Red
Black
Optional IMTFK
Wall Thermostat
(for Bedroom Use
Canada ONLY)*
Learn Button
Remote/Off Switch
Continuous
Pilot ON/OFF
Switch
Fig. 8 DVR28 wiring diagram.
FP1750
FP1796
Wireless remote
3/07
ON
OFF
HI
LO
Wireless Remote
No wiring
required.
(Refer to
Pages
6,18, 21)
*NOTE: If optional IMTFK wall thermostat is installed,
switch on module for remote/off switch must be in the
“OFF” position. When the wall thermostat is used, wall
transmitter supplied with DVR28IN cannot be used at
this time.

10 20012301
Vermont Castings DVR28 Direct Vent Gas Fireplace
Your fireplace is approved to be vented either through
the side wall, or vertically through the roof.
• Only CFM Corporation venting components specifi-
cally approved and labelled for this fireplace may be
used.
• If vent termination is installed in an accessible loca-
tion, Vent Termination Guard #53525 shall be in-
stalled.
• Vent terminations shall not be recessed into a wall or
siding.
• Horizontal venting which incorporates the twist lock
pipe must be installed on a level plane without an
inclining or declining slope.
General Venting
There must not be any obstruction such as bushes,
garden sheds, fences, decks or utility buildings within
24” (610 mm) from the front of the termination hood.
Do not locate termination hood where excessive snow
or ice build up may occur. Be sure to check vent termi-
nation area after snow falls, and clear to prevent ac-
cidental blockage of venting system. When using snow
blowers, make sure snow is not directed towards vent
termination area.
Location of Vent Termination
It is imperative the vent termination be located observ-
ing the minimum clearances as shown on the next
page.
*Check with local codes or in absence of same with
CSA B149.1 Installation Codes (1991) for Canada
or follow the current National Fuel Gas Code, ANSI
Z223.1/NFPA 54 for installations in the USA.