Vermont Castings OXDV30NVSB Installation And Operating Instructions Manual
Direct Vent Gas Stove
DANGER
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
A barrier designed to reduce the risk of burns from the hot
viewing glass is provided with this appliance and shall
be installed for the protection of children and
other at risk individuals.
20306543
Installation and Operating Instructions
Models: OXDV30NVSB
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
• Do not store or use gasoline or other
ammable 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.
– Leave the building immediately.
– 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 re department.
• Installation and service must be performed
by a qualied installer, service agency or
the gas supplier.
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.
This appliance is for use only with the type of gas
indicated on the rating plate. This appliance is
not convertible for use with other gases, unless
a certied kit is used.
This appliance may be installed in an aftermarket,*
permanently located, manufactured home (USA
only) or mobile home, where not prohibited by
local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from
the manufacturer.
CERTIFIED
SAFETY BARRIER
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future
reference.
20306762 12/14 Rev. 1
Oxford Direct Vent / Natural Vent Gas Heater
Table of Contents
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.
Thank you and congratulations on your purchase of an Vermont Castings Group stove.
IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these
instructions may result in a possible re hazard and will void the warranty.
INSTALLATION & OPERATING INSTRUCTIONS
General Information .................................3
Requirements for the Commonwealth of Massachusetts ....4
Oxford Dimensions .................................5
Installation Requirements ............................6
Locating the Stove ..................................6
Clearance Requirements .............................6
Parallel Installation .................................7
Corner Installation ..................................7
Wall Centerline from Floor ............................7
Wall and Ceiling Clearances ..........................7
Hearth Requirements ...............................7
Gas Specications ..................................8
Gas Inlet and Manifold Pressures ......................8
High Elevations ....................................8
Horizontal Termination - Direct Vent ONLY ...............8
Vertical Termination - Direct Vent ONLY .................9
Vent Termination Clearances ..........................9
General Venting Information - Termination Location .......11
Termination Clearances .............................12
Venting Requirements - Natural Vent ONLY .............12
Venting Requirements and Options - Direct Vent ONLY ....13
Install the Optional Fan .............................14
Venting System Assembly - Direct Vent ................15
Install Vent Adapter Pipe
(Vermont Castings Group Vent Components) ........15
Install Vent Adapter Pipe (Dura-Vent Components) .......16
Side Wall Termination Assembly ......................16
Vent Termination Below Grade .......................18
Vertical (Through the Roof) Vent Assembly ..............18
Venting System Assembly - Natural Vent ...............19
Install the Vent Pipe ................................19
Install the Log Set .................................20
Connect Gas Supply Line ...........................20
Burner Information .................................21
Air Shutter Adjustment & Instructions ..................21
Complete the Assembly .............................22
Install ON/OFF Switch ..............................22
Thermostat Connection (Optional) ....................23
Install the Front ...................................23
Safety Barrier Installation ...........................24
MAINTENANCE
Annual System Inspection ........................... 30
Logset and Burner/Cleaning and Inspection .............30
Care of Cast Iron .................................. 30
Cleaning the Glass ................................ 30
Glass Replacement ................................ 30
Gasket Replacement ............................... 31
Inspect the Vent System Annually ..................... 31
Check the Gas Flame Regularly ......................31
Stove Disassembly ................................31
Wiring Diagram ................................... 32
REPLACEMENT PARTS ...........................33
OPTIONAL ACCESSORIES ........................35
WARRANTY .....................................43
EFFICIENCIES ................................... 44
OPERATION
Your First Fire ....................................25
Pilot and Burner Information .........................25
Flame & Temperature Adjustment ....................25
Flame Characteristics ..............................25
Lighting and Operating Instructions ....................26
Troubleshooting - SIT NOVA 820 Gas Control System .....27
Fuel Conversion Instructions .........................28
Conversion Precautions ............................28
Conversion Procedure ..............................28
2
20306762
General Information
The Oxford Direct Vent/Natural Vent Room Heater, Model
No. OXDV30NV, is a vented gas appliance listed to the ANSI
standard Z21.88-2009 and CSA-2.33-2009 for Vented Room
Heaters, and CSA 2.17-M91, Gas-Fired Appliances For Use
at High Altitudes.
The installation of the Oxford Direct Vent/Natural Vent Room
Heater must conform with local codes, or in the absence of local codes, with National Fuel Gas Code, ANSI Z223.1/NFPA
54 — latest edition and CSA B-149.1 Installation Code. (EXCEPTION: Do not derate this appliance for altitude. Maintain
the manifold pressure at 3.5” w.c. for Natural Gas and 10.0”
w.c. for LP gas at maximum input.)
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 certied kit is used.
Installation and replacement of gas piping, gas utilization equipment or accessories, and repair and servicing of equipment shall be performed only by a qualied
agency, preferably NFI or WETT (Canada) certied. The
term “qualied agency” means any individual, rm, cor-
poration, or company that either in person or through a
representative is engaged in and is responsible for (a)
installation or replacement of gas piping, or (b), the connection, installation, repair, or servicing of equipment,
who is experienced in such work, familiar with all precautions required, and has complied with all the requirements of the authority having jurisdiction.
The Oxford Direct Vent/Natural Vent Room Heater should
be inspected before use and at least annually by a qualied service agency. It is imperative that control compartments, burners, and circulating air passageways of the
appliance be kept clean.
The Oxford Direct Vent/Natural Vent Room Heater and its
individual shut-off valve must be disconnected from the gas
supply piping during any pressure testing of that system at
test pressures in excess of 1/2 psig (3.5 kPa).
The Oxford Direct Vent/Natural Vent Room Heater must be
isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of
the gas supply piping system at test pressures equal to or
less than 1/2 psig.
‘Direct Vent’ describes a sealed combustion system in which
incoming outside air for combustion and outgoing exhaust enter and exit through two separate concentric passages within
the same sealed vent system. The system does not use room
air to support combustion. The Direct Vent system permits
the gas appliance to be vented directly to the outside atmosphere through the side of the house or vertically through the
roof. Conventional venting systems (Natural Vent) take air
from the room for combustion and vent the exhaust vertically
through the roof to the atmosphere.
This appliance is approved for bedroom installations in the
U.S. and Canada.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local
codes.
20306762
Oxford Direct Vent / Natural Vent Gas Heater
WARNING: Operation of this heater when not connected
to a properly installed and maintained venting system
can result in carbon monoxide (CO) poisoning and possible death.
The Oxford Direct Vent/Natural Vent Room Heater, 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, (latest edition), or of
the current Canadian Electrical Code C22.1.
Due to high temperatures this appliance should be located out of trafc and away from furniture and draperies.
WARNING: This appliance is hot while in operation.
Keep children, clothing, and furniture away. Contact
may cause burns or ignition of combustible materials.
Children and adults should be alerted to the hazards
of high surface temperatures and should stay away to
avoid burns or clothing ignition. Young children should
be carefully supervised when they are in the same room
as the appliance.
Clothing or other ammable materials should not be
placed on or near the appliance.
Any safety screen, glass or guard removed for servicing an appliance must be replaced prior to operating the
appliance.
The appliance area must be kept clear and free from
combustible materials, gasoline, and other ammable
vapors and liquids.
The ow of combustion and ventilation air must not be
obstructed. The installation must include adequate accessibility and clearance for servicing and proper op-
eration.
WARNING: Do not operate the Room Heater with the
glass panel removed, cracked or broken. Replacement
of the panel should be done by a licensed or qualied
service person.
Do not use this appliance if any part has been under
water. Immediately call a qualied service technician to
inspect the appliance and to replace any part of the control system and any gas control which has been under
water.
Do not burn wood, trash or any other material for which
this appliance was not designed. This appliance is designed to burn either natural gas or propane only.
This gas appliance must not be connected to a chimney
ue serving a separate solid-fuel burning appliance.
CAUTION: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper
and dangerous operation.
Verify proper operation after servicing.
Proposition 65 Warning: Fuels used in gas, woodburning or
oil red 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
* Aftermarket: Completion of sale, nor for purpose of resale, from the
manufacturer.
3
Oxford Direct Vent / Natural Vent Gas Heater
Requirements for the Commonwealth of Massachusetts
All gas tting and installation of this heater shall only be
done by a licensed gas tter 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
nished grade in the area of the venting, including but not
limited to decks and porches, the following requirements
shall be satised:
Installation of Carbon Monoxide Detectors
At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gas tter
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
horizontal vented gas fueled equipment. It shall be the
responsibility of the property owner to secure the services
of qualied 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 oor 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 certied.
Signage
A metal or plastic identication 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 ue gases, but identies “special
venting systems”, the following requirements shall be
satised 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.
4
20306762
Oxford Direct Vent / Natural Vent Dimensions
Refer to Page 6 for Flue Collar
Centerline Dimensions
Oxford Direct Vent / Natural Vent Gas Heater
6³⁄₄"
(172mm)
C
L
Valve Inlet
24¹⁄₂"
(622mm)
28³⁄₈"
(721mm)
Valve
C
L
4³⁄₈"
Inlet
(111mm)
12¹⁄₂"
(318mm)
17"
(419mm)
Fig. 1 Oxford dimensions.
23"
(584mm)
Attention
The Oxford stove is shipped from the factory as a Direct Vent Gas Heater. This heater may be converted into
a Natural Vent unit in the eld. If a Natural Vent heater is desired, the FSDHAG Draft Hood must be directly
installed to the top of the unit according to the installation instructions. The Draft Hood Adapter is available
in the 7FSDHASK stove kit or as a separate item.
When the stove is converted to Natural Vent, it uses 4” vent pipe. For aesthetic purposes the Vermont
Castings Group direct vent system may be used up to the ceiling.
20306762
5
Oxford Direct Vent / Natural Vent Gas Heater
A
B
E
C
D
Installation Requirements
The installation must conform with local codes or, in the
absence of local codes, with the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 - latest edition. (EXCEPTION: Do
not derate this appliance for altitude. Maintain the manifold pressure at 3.5” w.c. for Natural Gas, and 10” w.c. for
Propane).
In Canada, installation must be in accordance with the current CSA B-149.1 Installation Codes and/or local codes.
The installation should be done by a qualied service
person who is familiar with the building codes and
installation techniques appropriate for your area to
accomplish a safe and effective installation.
Your dealer or your local gas supplier will be able to
refer a qualied service person.
WARNING: Due to high temperatures, the
HEATER should be located out of trafc and
away from furniture and draperies.
The surface of the Heater Is hot when it is in use.
Young children should be watched carefully when
they are in the same room when the Heater is in use,
and they should be taught to avoid the hot surface.
Keep any objects that can burn well away from the
Heater, and observe the recommended clearances
that follow.
Locating the Stove
In choosing a location for the stove, consider:
• The location of outside walls;
• Where additional heat is needed:
• Where family members gather most often;
• The vent system requirements.
NOTE: We do not recommend the use of wallpaper next
to this stove. Over time, radiant heat may cause the wallpaper to shrink, or may adversely affect the binders in the
wallpaper adhesive.
Direct Vent System Only
A. Flat on corner wall D. Cross Corner
B. Room Divider E. Flat on wall
C. Island
Fig. 2 Possible stove locations.
ST207b
Clearance Requirements:
Minimum Clearances to
Combustible Materials
Measure side clearances as shown in Figures 5 and 6
from the outer edge of the cast iron stove top. Measure
rear clearances from the outermost surface of the steel
rear skirt.
The heater is approved for installation into an alcove constructed of combustible materials to the dimensions and
clearances shown on the next page.
The same clearances apply in a standard parallel installation.
WARNING:
Always maintain required clearances (air
spaces) to nearby combustibles to prevent
re hazard. Do not ll air spaces with insulation. All
venting components must maintain a 1” (25 mm)
clearance to combustible materials. Maintain a 6”
(150 mm) clearance when using a single wall pipe.
• The gas appliance and vent system must be vented
directly to the outside of the building and never be
attached to a chimney serving a separate solid fuel
or gas-burning appliance. Each direct vent appliance must use its own separate vent system. Common vents are prohibited.
• Refer to the manufacturer’s instructions included
with the venting system for complete installation
procedures.
6
20306762
Oxford Direct Vent / Natural Vent Gas Heater
A
A
B
B
C
L
C
L
B
D
C
A
Parallel Installation:
Minimum Clearance and Flue Centerline,
Direct Vent and Natural Vent
Stove Clearances A: 4" (102 mm)
B: 4" (102 mm)
Pipe Centerlines C: 15
D: 9" (229 mm)
Fig. 3 Parallel installation, minimum back and side clearances
and ue centerlines.
1
⁄2" (395 mm)
ST128c
Corner Installation:
Minimum Clearance and Flue Centerline
Direct Vent and Natural Vent
Wall Centerline from Floor
A
A
Effective Minimum
Wall Thimble 571⁄2" (1461 mm) (Vermont Castings Group
Pipe)
Centerline 531⁄2" (1359 mm) (Simpson DuraVent Pipe)
Fig. 5 Minimum wall thimble centerline.
ST1121
Wall and Ceiling Clearances
D
B
C
A
A: Rear Wall 4" (102 mm)
B: Min. Clearance 451⁄2" (1156 mm)*
C: Min. Alcove Height 73
D: Max. Alcove Depth 48" (1220 mm)
Stove Clearance A: 4" (102 mm)
Pipe Centerline B: 141⁄2" (370 mm)
Fig. 4 Corner installation, minimum corner clearances and ue
centerline.
ST129c
Sidewall Clearance 4" (102 mm)
* needed for installing DuraVent Minimum Vent Kit #2792 or Vermont Castings Group Minimum Vent Kit #7TFSDVSK.
Fig. 6 Dimensions and clearances to ceiling or alcove.
Hearth Requirements
The heater must be installed on rigid ooring. When the
heater is installed directly on any combustible surface
other than wood ooring, a metal or wood panel extend-
1
⁄2" (1867 mm)*
ST1122
ing the full width and depth of the unit must be used as the
hearth. There are no other hearth requirements.
20306762
7
Oxford Direct Vent / Natural Vent Gas Heater
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
12 345678910 11 12 13 14 15 16 17 18 19 20
Vertical Run (in feet)
(Measured from the appliance flue collar to the top of the vent pipe.)
Horizontal Run (in feet)
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
ST134a
FDV28
Horizontal
vent run
12/3/99 djt
areas modified
1/11/00 djt
Gas Specications
Max. Min.
Input Input
Model Fuel Gas Control BTU/h BTU/h
2465 Nat Millivolt 28,000 20,000
2466 Prop Millivolt 28,000 19,000
Weight: Fully assembled; 202 lbs.
Gas Inlet and Manifold Pressures
Natural LP (Propane)
Inlet Minimum 5.5” w.c. 11.0” w.c.
Inlet Maximum 14.0” w.c. 14.0” w.c.
Manifold Pressure 3.5” w.c. 10.0” w.c.
Oxford Direct Vent/Natural Vent
Certied to:
ANSI Z21.88 / CSA 2.33 Latest Edition
Vented Gas Fireplace Heaters
The installation of your stove must conform with
local codes, or in the absence of local codes, with
the National Fuel Gas Code ANSI Z223.1/NFPA 54 latest edition, or CSA B149.1 Installation code. (EXCEPTION: Do not derate this appliance for altitude
up to 4,500 feet (1,370 m). Maintain the manifold
pressure at 3.5” w.c. for Natural Gas and 10.0” w.c.
for LP Gas.
Input ratings are shown in BTU per hour and are
certied without deration for elevations up to 4,500
feet (1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA,
installations must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at
elevations above 4,500 feet (1,370 m).
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or
property damage. Refer to this manual for correct
installation and operational procedures. For assistance or additional information consult a qualied
installer, service agency, or the gas supplier.
8
High Elevations
Horizontal Termination -
Direct Vent ONLY
The vent must rise vertically a minimum of 24” (610 mm)
off the top of the unit, before the rst elbow. The horizontal
run may extend up to 20’ (6 m) and include a vertical rise
of up to 40’ (12 m). (Fig. 7) Horizontal termination must
also meet the criteria shown in Figures 9 through 11.
• Approved vent systems must terminate above and including the heavy line in Figure 7.
• Two 45° elbows may be substituted for each single 90°
elbow.
• With a rise between 2’ - 5’, one 90° or two 45° elbows
may be used.
May use up to three
90° Elbows
One 90°
Elbow
Unacceptable Venting
Conguration
ST134a
Fig. 7 Horizontal vent termination window.
20306762
Oxford Direct Vent / Natural Vent Gas Heater
20
Vertical Run (in feet)
ST132a
FDV28
Vertical
vent run
12/3/99 djt
area
modified
1/11/00 djt
Vertical Termination - Direct Vent ONLY
A vertical vent system must terminate no less than 8'
(2.44 m) and no more than 40' (12 m) above the appli-
ance ue collar. A 21⁄4" restrictor plate (supplied) must be
used where specied in all vertically terminated vent sys-
tems. (Fig. 8) NOTE: The restrictor plate supplied with
the vertical termination should be discarded. Install
restrictor plate supplied with stove directly at stove
outlet. A vertically terminated vent system must also conform to the following criteria:
• No more than three 90° elbows may be used.
• Two 45° elbows may be substituted for one 90° elbow.
No more than six elbows may be used.
• Vent must rise a minimum of 2 feet before offset is
used.
• Termination height must conform to roof clearance as
specied in Figure 9.
40
39
All Vertical Termi-
38
37
nations in this area
36
Require use of the
35
1
2
⁄4" Restrictor Plate*
34
33
32
31
30
29
28
27
26
Vertical terminations
25
must be within this area
24
23
22
21
20
19
18
16
(Measure from the appliance flue collar to the top of the vent pipe.)
15
14
13
12
11
No Restrictor Plate
10
9
8
7
6
5
4
3
2
1
0
1 2345678910111213141516171819
Horizontal Run (in feet)
Unacceptable Venting
Conguration
Fig. 8 Vertical vent termination window.
*The Restrictor Plate is used on Direct Vent Installations
Only
20306762
ST132a
Vent Termination Clearances
When planning the installation, consider the location of
the vent terminal and clearances. Some of the most common clearances to keep in mind are shown in Figure 10.
Important: All vent clearances must be maintained.
Check your vent termination clearances against Figures 9 through 11.
The vent should be placed so that people cannot be
burned by accidentally touching the vent surfaces when
the stove is operating.
The vent termination should be located where it cannot be
damaged by such things as automobile doors, lawn mowers or snowblowers and it should be located away from
areas where it could become blocked by snow, etc.
Some considerations are:
• Obstructions or impediments to venting.
• Nearby combustible materials that could come into
contact with combustion exhaust gases.
• Other nearby openings {within 12” (305 mm)} through
which exhaust gas could reenter the building.
• All vegetation within 3’ (76 mm) that may interfere with
the draft.
Other factors that inuence where the installation will be
sited include the location of outside walls, where additional heat may be desired in the home, where the family
members gather most regularly, and perhaps most importantly, the distance limitations of the venting system.
IMPORTANT
Direct Vent Only
• The horizontal termination must not be recessed
into the exterior wall or siding.
• Horizontal vent runs must be level toward the vent
termination.
• Clearances around the vent termination must be
maintained.
• For installations using Simpson DuraVent pipe, parallel installations with minimum wall clearance have
restricted access for connecting the Horizontal Vent
Cap straps to the vent pipe. See the maker’s instructions for recommended installation procedures.
9
Oxford Direct Vent / Natural Vent Gas Heater
Venting Termination Clearances
Your stove is approved to be vented either through the
side wall, or vertical through the roof.
• This unit does not require any opening for inspec-
tion of vent pipe.
• Only Vermont Castings Group and Duravent vent-
ing components specically approved and labelled
for this stove may be used.
• Minimum clearances between vent pipes and com-
bustible materials is one (1”) inch (25 mm), except
where stated otherwise.
• Venting terminals shall not be recessed into a wall or
siding.
• Horizontal venting must be installed on a level plane
without an inclining or declining slope.
There must not be any obstruction such as bushes, garden sheds, fences, decks or utility buildings within 24”
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 termination area after snow falls, and clear to prevent accidental
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 observing
the minimum clearances as shown on this page.
10
20306762
Oxford Direct Vent / Natural Vent Gas Heater
V
V
V
V
V
V
V
X
X
X
D
E
B
B
B
C
B
M
B
A
J
K
F
L
VENT TERMINATION AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
H
I
Fixed
Closed
Operable
Operable
Fixed
Closed
V
B
INSIDE
CORNER DETAIL
V
A
G
N
N
CFM145a
General Venting Information - Termination Location
Canadian Installations1 US Installations
A = Clearance above grade, veranda, porch, 12” (30cm) 12” (30cm)
deck, or balcony
B = Clearance to window or door that may be 6” (15cm) for appliances 6” (15cm) for appliances
opened < 10,000Btuh (3kW), 12” (30cm) < 10,000 Btuh (3kW), 9”
for appliances > 10,000 Btuh (3kW) and (23cm) for appliances > 10,000
< 100,000 Btuh (30kW), 36” (91cm) Btuh (3kW) and < 50,000 Btuh
for appliances > 100,000 Btuh (30kW) (15kW), 12” (30cm) for
appliances > 50,000 Btuh (15kW)
C = Clearance to permanently closed window 12” (305mm) recommended to 12” (305mm) recommended to
prevent window condensation prevent window condensation
D = Vertical clearance to ventilated soft located
above the terminal within a horizontal 18” (458mm) 18” (458mm)
distance of 2 feet (610mm) from the center
line of the terminal
E = Clearance to unventilated soft 12” (305mm) 12” (305mm)
F = Clearance to outside corner see next page see next page
G = Clearance to inside corner (see next page) see next page see next page
H = Clearance to each inside of center line 3’ (91cm) within a height of 15’ (5m) 3’ (91cm) within a height of 15’
extended above meter/regulator assembly above the meter/regulator assembly (5m) above the meter/regulator
assy
I = Clearance to service regulator vent outlet 3’ (91cm) 3’ (91cm)
J = Clearance to nonmechanical air supply inlet 6” (15cm) for appliances < 10,000 6” (15cm) for appliances
to building or the combustion air inlet to any Btuh (3kW), 12” (30cm) for < 10,000 Btuh (3kW), 9”
other appliances appliances > 10,000 Btuh (3kW) and (23cm) for appliances > 10,000
< 100,000 Btuh (30kW), 36” (91cm) Btuh (3kW) and < 50,000 Btuh
for appliances > 100,000 Btuh (30kW) (15kW), 12” (30cm) for
appliances > 50,000 Btuh (15kW)
K = Clearance to a mechanical air supply inlet 6’ (1.83m) 3’ (91cm) above if within 10’
(3m) horizontally
L = Clearance above paved sidewalk or paved 7’ (2.13m)† 7’ (2.13m)†
driveway located on public property
M = Clearance under veranda, porch, deck or 12” (30cm)* 12” (30cm)*
balcony
N = Clearance above a roof shall extend a minimum of 24” (610mm) above the highest point when it passes through the roof
surface, and any other obstruction within a horizontal distance of 18” (450mm).
1 In accordance with the current CSA-B149 Installation Codes
2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and
serves both dwellings
* only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the oor:
NOTE: 1. Local codes or regulations may require different clearances.
2. The special venting system used on Direct Vent appliances are certied as part of the appliance, with clearances tested and
approved by the listing agency.
3.Vermont Castings Group assumes no responsibility for the improper performance of the appliance when the venting system does
not meet these requirements.
Fig. 9 Vent termination clearances.
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11
Oxford Direct Vent / Natural Vent Gas Heater
Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner
G
V
G =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
Outside Corner
V
F
F =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
Alcove Applications*
D
C
V
O
C
E
Balcony with no side wall
Balcony with perpendicular side wall
M
V
M =
Combustible &
Noncombustible
12" (305 mm)
*NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions
specied for vinyl or non-vinyl siding and softs. 1. There must be a 3’ (914 mm) minimum between termination caps. 2. All
mechanical air intakes within 10’ (1 m) of a termination cap must be a minimum of 3’ (914 mm) below the termination cap. 3. All
gravity air intakes within 3’ (914 mm) of a termination cap must be a minimum of 1’ (305 mm) below the termination cap.
Combustible &
Noncombustible
M = 24" (610 mm)
P = 20” (508 mm)
Fig. 10 Termination clearances.
Venting Requirements - Natural Vent Only
36
34
32
30
28
26
24
22
20
18
16
14
Vertical Run (in feet)
12
10
8
6
4
(Measured from top of the unit before any elbow)
2
1 2 4 6 8 10 12 14 16 18 20 22 24
Fig. 11 Vent termination window - Natural Vent ONLY.
A
B
Horizontal Run (in feet)
E = Min. 6” (152 mm) for
non-vinyl sidewalls
Min. 12” (305 mm) for
vinyl sidewalls
O = 8’ (2.4 m) Min.
M
V
P
No.
of Caps D
1 3’ (914 mm) 2 x D
2 6’ (1.8 m) 1 x D
3 9’ (2.7 m) 2/3 x D
4 12’ (3.7 m) 1/2 x D
D
= # of Termination caps x 3
Min.
C
= (2 / # termination caps) x D
Max.
C
Min.
Max.
Actual
Actual
Actual
Actual
Actual
584-15
Venting Runs
NOTE: When venting staight vertical, without any
elbow, a minimum of 8 ft. vertical is required
off the top of the stove.
= Acceptable venting configuration
= Unacceptable venting configuration
A: Vertical installations up to 36 feet (12m) in
height. Up to an 18 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 90-degree elbows or four
45-degree elbows.
B: Vertical installations up to 36 feet (12m) in
height. Up to a 24 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 45-degree elbows.
(Ratio = 2/3, Hor./Vert.)
FP567b
NOTE: When using the FSDHAG, the restrictor
plate supplied with the stove is not used.
12
20306762
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