Vermont Castings VC31LDVINTSC User manual
20304166 11/13 Rev. 7
4166
VCFDVI31 insert cover
WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
Un panneau vitré chaud peut
causer des brûlures.
Laissez refroidir le panneau
vitréavant d’y toucher.
Ne laisser jamais les enfants
toucher le panneau vitré.
AVERTISSEMENT
220304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
Product Specications .............................................5
High Elevations ........................................................5
Gas Pressures .........................................................5
Gas Specications ...................................................5
Before You Start .......................................................7
Insert Applications ....................................................7
Insert Clearances .....................................................8
Mantel Clearances ...................................................8
Hearth Requirements ...............................................8
Insert Placement ......................................................9
Remove Command Center Bracket .........................9
Zero-Clearance Fireplace Requirements ...............10
Installation Precautions ..........................................11
Venting Requirements ............................................11
Altitude Considerations ..........................................12
Venting Congurations ...........................................13
Glass Frame Removal ...........................................14
Brick Panel Installation ...........................................14
Porcelain Panel Installation ....................................15
Intake/Exhaust Manifold Removal & Vent Install ...16
Check Gas Type.....................................................17
Install Gas to Insert Location .................................17
Installation Items Needed ......................................17
Gas Shutoff Tool .....................................................19
Electrical Wiring .....................................................20
Rock Wool Placement ............................................21
Decorative Glass & Glass Bead Installation ..........24
For Your Safety Read Before Lighting ...................25
Operating Instructions ............................................26
To Turn Off Gas ......................................................26
Adjust the Air Shutter (Front Burner) .....................27
(VC31LDVI ONLY)
Adjust the Air Shutter (Rear Burner) ......................28
Touch Screen Remote Control Operation ..............32
Troubleshooting .....................................................37
Venting System ......................................................38
Cleaning Glass .......................................................38
Pilot and Burner Flames ........................................38
Firebox Cleaning ....................................................38
Yearly Service Procedure .......................................39
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
3
4. Never install the replace
• in a recreational vehicle
• where curtains, furniture, clothing, or other am-
mable objects are less than 36" from the front, top,
or sides of the replace
• in high trafc areas
• in windy or drafty areas
5. This replace reaches high temperatures. Keep chil-
dren and adults away from hot surfaces to avoid burns
or clothing ignition. Fireplace will remain hot for a time
after shutdown. Allow surfaces to cool before touch-
ing.
6. Young children should be carefully supervised when
they are in the same room as the appliance. Toddlers,
young children and others may be susceptible to
accidental contact burns. A physical barrier is recom-
mended if there are at risk individuals in the house. To
restrict access to a replace or stove, install an adjust-
able safety gate to keep toddlers, young children and
other at risk individuals out of the room and away from
hot surfaces.
7. Do not modify replace under any circumstances. Any
parts removed for servicing must be replaced prior to
operating replace.
8. Turn replace off and let cool before servicing, install-
ing, or repairing. Only a qualied service person should
install, service, or repair the replace. Have burner
system inspected annually by a qualified service
person.
9. You must keep control compartments, burners, and
circulating air passages clean. More frequent clean-
ing may be needed due to excessive lint and dust.
Turn off the gas valve and pilot light before cleaning
replace.
10. Have venting system inspected annually by a quali-
ed service person. If needed, have venting system
cleaned or repaired. Refer to Cleaning and Mainte-
nance, Page 38.
This replace is a vented product. This replace must be
properly installed by a qualied service person. The glass
door must be properly seated and sealed. If this unit is not
properly installed by a qualied service person with glass
door properly seated and sealed, combustion leakage
can occur.
Early signs of carbon
monoxide poisoning are similar to the u with headaches,
dizziness and/or nausea. If you have these signs, the re-
place may not have been installed properly. Get fresh air
at once! Have the replace inspected and serviced by a
qualied service person. Some people are more affected
by carbon monoxide than others. These include pregnant
women, people with heart or lung disease or anemia,
those under the inuence of alcohol, and those at high
altitudes.
Propane/LP gas and natural gas are both odorless. An
odor-making agent is added to each of these gases. The
odor helps you detect a gas leak. However, the odor added
to these gases can fade. Gas may be present even though
no odor exists.
Make certain you read and understand all warnings. Keep
this manual for reference. It is your guide to safe and proper
operation of this replace.
1. 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.
2. For propane/LP replace, do not place propane/LP
supply tank(s) inside any structure. Locate propane/
LP supply tank(s) outdoors. To prevent performance
problems, do not use propane/LP fuel tank of less than
100 lbs. capacity.
3. If you smell gas
• shut off gas supply.
• do not try to light any appliance.
• do not touch any electrical switch; do not use any
phone in your building .
• immediately call your gas supplier from a neigh-
bor’s phone. Follow the gas supplier’s instruc-
tions.
Please leave these instructions with the appliance.
Please retain these instructions for future reference
.
420304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
11. Keep the area around your replace clear of combus-
tible materials, gasoline, and other ammable vapor
and liquids. Do not run replace where these are used
or stored. Do not place items such as clothing or deco-
rations on or around replace.
12. Do not use this replace to cook food or burn paper or
other objects.
13. Never place anything on top of replace.
14. Do not use any solid fuels (wood, coal, paper, card-
board, etc.) in this replace. Use only the gas type
indicated on rating plate.
15. This appliance, 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.
16. Do not obstruct the ow of combustion and ventilation
air in any way. Provide adequate clearances around
air openings into the combustion chamber along with
adequate accessibility clearance for servicing and
proper operation.
17. Do not use replace if any part has been exposed to
or has been under water. Immediately call a qualied
service technician to inspect the appliance and replace
any part of the control system and any gas control
which as been submerged in water.
18. Do not operate replace if any log is broken.
19. Do not use a blower insert, heat exchanger insert, or
any other accessory not approved for use with this
replace.
20. Do not operate the replace with glass door removed,
cracked, or broken.
Direct Vent type appliances draw all combustion air from
outside of the dwelling through the vent pipe.
These appliances have been tested by CSA and found to
comply with the established standards for DIRECT VENT
GAS FIREPLACE HEATERS in the USA and Canada as
follows:
TESTED TO:
ANSI Z21.88-2009/CSA 2.33-2009 STANDARDS
A manufactured home (USA only) or mobile home OEM
installation must conform with the Manufactured Home
Construction and Safety Standard,
or when such a standard is not applicable, the
, or
.
Nous recommandons que nos
appareils de chauffage au gaz
soient installés et entretenus par
des professionnels qui ont été
accrédités aux È.U. par le National
Fireplace Institute ® (NFI) comme
étant des spécialistes du NFI en
matièred’appareils de chauffage
au gaz.
It is normal for fireplaces fabricated of steel
to give off some expansion and/or contraction
noises during the start up or cool down cycle.
Similar noises are found with your furnace heat
exchanger or car engine.
It is not unusual for gas replaces to give off some
odor the rst time it is burned. This is due to the
manufacturing process.
It is recommended that you burn your replace
for at least ten (10) hours the rst time you use it.
Place the fan switch in the “OFF” position during
this time.
WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
Un panneau vitré chaud peut
causer des brûlures.
Laissez refroidir le panneau
vitréavant d’y toucher.
Ne laisser jamais les enfants
toucher le panneau vitré.
AVERTISSEMENT
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
5
• This appliance has been certied for use
with either natural or propane gas. Refer
to the appropriate data plates.
• This appliance is not for use with solid
fuels.
• The appliance is approved for bedroom or
bedsitting room installations.
• The appliance must be installed in accor-
dance with local codes if any. If none exist
use the current installation code. ANSI
Z223.1/NFPA 54 in the USA, CSA B149
in Canada.
• This appliance is mobile home appr-
oved.
• The appliance must be properly connected
to a venting system.
• The appliance is not approved for closet
or recessed installations.
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,
installation must be in accordance with the current
ANSI Z223.1/NFPA 54 and/or local codes having juris-
diction.
In Canada, please consult provincial and/or local authori-
ties having jurisdiction for installation at elevations above
4,500 feet (1,370 m).
Natural Propane (LP)
Inlet Minimum 4.5” w.c. 11.0” w.c.
Inlet Maximum 10.5” w.c. 13.0” w.c.
Manifold Pressure 3.5” w.c. 10.0” w.c.
VC31LDVINTSC Nat. 31,000 21,000 1.75 mm #46
VC31LDVIPTSC LP 29,000 24,000 #56 1.1 mm
VC31CDVINTSC Nat. 31,000 21,000 n/a #36
VC31CDVINTSC* LP 29,000 24,000 n/a 1/16"
FP2946
ICFDV insert controls
Figure 1 -
VC31LDVI Series Fireplace Insert Controls
Control Board
AC Module
Gas
Valve
Command
Center
FP2946
*w/LP Conversion
620304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
2256QE” (560 mm)
1156QE”
(303 mm)
1056”
(257 mm)
26QE”
(56 mm)
556QE”
(144 mm)
1656"
(410 mm)
246QE” (621 mm)
2756” (689 mm) 256M”
(57 mm)
2156QE"
(535 mm)
4164
ICFDV insert dims
Figure 2 -
VC31LDVI Fireplace Insert Dimensions
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
7
Read this homeowner manual thoroughly and follow all
instructions carefully. Inspect all contents for shipping
damage and immediately inform your dealer if any damage
is found. Do not install any unit with damaged, incomplete,
or substitute parts. Check your packing list to verify that all
listed parts have been received.
The following factors should be taken into consideration:
• This insert should have sufcient access for its safe
operation and maintenance.
• The ow of combustion and ventilation air must not be
obstructed.
• Minimum clearances to combustibles, such as mantels,
must be maintained. Refer to Pages 8 and 9, Figures
3, 4 and 5.
• Never obstruct the front opening of the insert.
• Do not install in the vicinity where gasoline or other
ammable liquids may be stored.
• These units can be installed in a bedroom. Refer to
National Fuel Gas Code ANSI Z233.1/NFPA 54 (current
edition), the Uniform Mechanical Code (current edi-
tion), and Local Building Codes for specic installation
requirements.
.
Before installing the gas replace insert, consider the
functioning needs of the replace. Conrm the size of the
replace cavity, the design of the chimney, and the avail-
ability of the gas supply and electricity for the insert fan.
When the unit is installed into a wood burning replace,
the minimum distance the mantel can be placed above the
replace is governed by local building codes applicable to
wood burning replaces. Consult local authorities having
jurisdiction for these clearances. The underside of the
mantel will become warm. Use only nishes which are heat
resistant and do not discolor.
Pages 8 and 9,
Figures 3 and 4
820304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
12” (305 mm)
Maximum Depth
12”
(305 mm)
Side Wall
Combustible Mantel
Top Facing
Side Facing
3/4” (19 mm)
Maximum Depth
Combustible Facing
10” (254 mm)
Minimum
10” (254 mm)
Minimum
FP2964
insert clearances
9”
(228 mm)
No combustibles (ie: drapes, doors) may be within, or
swing within 36" of the front of the insert.
FP2964
Figure 3 -
Mantel Clearances
Side clearance
to combustibles is 10"
(254 mm) from opening
whether it is side wall or
mantel legs.
12"
(305 mm)
10"
(254 mm)
12" (305 mm)
4"
(101 mm) 3/4” (19 mm)
9"
(229 mm)
FP2965
mantel clearance
Finish Wall
FP2965
Figure 4 -
Mantel Clearances
Fireplace Insert
Opening
Noncombustible
Material Required
up to 9" Above
Fireplace Opening
The insert must be installed on a noncombustible hearth
extending a minimum of 10" (254 mm) from the replace
opening (local codes may require a larger hearth). The
hearth must also extend to both sides of the face.
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
9
• The insert must be placed within a code-conforming
masonry replace or a tested and listed zero-clear-
ance (UL-127, solid fuel) replace. Repair any replace
damage prior to installation.
• Because the insert uses a circulation blower, clean the
replace, smoke shelf and chimney before installing.
• This heater may be placed in a bedroom. Please be
aware of the large amount of heat this appliance pro-
duces when determining a location.
Figure 5 -
Minimum Openings
fp2966
FIREBOX DIMS
226”
(568 mm)
206M”
(527 mm)
166M”
(426 mm)
*306M”
(781 mm)
*29N\m" (759 mm) with
control box and bracket
removed.
In order to t insert into a smaller opening, the command
center bracket may be removed. Refer to Pages 6 and 9
for dimensions.
If the bracket is removed, the small 2" deep, three-sided
surround, model ICF30S3B is required to mount command
center. Refer to surround instructions.
1. Remove command center from bracket by sliding out
to the right. Figure 6
2. Carefully lay unit on its back. Remove two (2) screws
holding bracket to insert. Figure 7
Fp2976
SCS Bracket
Command
Center
Command Center Bracket
FP2976
Figure 6
FP2980
remove bracket screws
Command
Center Bracket
Remove
Screws
Bottom of
Unit
FP2980
Figure 7
10 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
• The damper and grate must be removed.
•
The smoke shelf, internal bafes, screen, refractory and
metal or glass doors may be removed (if applicable)
.
• Do not remove or alter the insulation or any structured
rigid frame members (metal sides, oor, door frames,
face of the replace, etc.).
Please review the following carefully.
It is normal for inserts fabricated of steel to give off some
expansion and/or contraction noises during the start up or
cool down cycle. Similar noises are found with your furnace
heat exchanger or car engine.
It is not unusual for your insert to give off some odor the
rst time it is burned. This is due to the curing of the paint
and any undetected oil from the manufacturing process.
Burn your insert for at least six (6) hours on "HIGH" the
rst time you use it. Place the fan in the "OFF" position
during this time.
Fp1921
zero clearance requirements
9/08
Insulation
Damper
Smoke
Shelf
Masonry Lining or Refractory
Screen
Metal or Glass Doors
Internal
Bafes
Masonry Lining or Refractory
Grate
Figure 8 -
Metal Fireplace Zero-Clearance Requirements
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
11
Consult local building codes before beginning the installa-
tion. The installer must make sure to select the proper vent
system for installation. Before installing vent kit, the installer
must read this insert manual and vent kit instructions.
Only a qualied installer/service person should install vent-
ing system. The installer must follow these safety rules:
• Wear gloves and safety glasses for protection.
• Use extreme caution when using ladders or when
on rooftops.
• Be aware of electrical wiring locations in walls and
ceiling.
The following actions will void the warranty on your vent-
ing system:
• Installation of any damaged venting component.
• Unauthorized modication of the venting system.
• Installation of any component part not manufactured
or approved by Vermont Castings Group.
• Installation other than permitted by these instruc-
tions.
• The exhaust vent must reline the entire length of chim-
ney and terminate above chimney top.
• Vent must meet all vent manufacturer's requirements
when installed.
• Make sure you have the following before installing
unit:
• 3" and 3" UL 1777 Listed gas liner for air inlet and
exhaust.
• Vertical Terminations kits: HEDV32T812,
HEDV32T1212
Figure 9 -
Venting Unit
FP2947
vent requirements
Maximum Height 40'
(12 m)
Minimum Height 10'
(3 m)
Exhaust
Inlet
FP2947
Figure 9
12 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
This heater has been tested at altitudes ranging from sea
level to 4,500 feet (1,370 m). In this testing, heater with
standard orice burns correctly with just an air shutter
adjustment. If you need to resize orice for use at high
altitude, contact your dealer.
High Temp
Silicone
FP2948
exhaust pipe
3" and 3" UL 1777 Gas
Liner
Apply high-temperature silicone to
lines on both ends and secure with
two (2) screws
Termination Kit
(Refer to Page 11)
Figure 10 -
Connecting Vent Pipe to Heater
FP2948
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
13
FP2949
inlet exhaust reline
Exhaust
Inlet
Recommended block-off
plate (noncombustible
metal). Prevents odors from
chimney entering room.
UL 127 Solid
Fuel Z.C Fire-
box
Figure 11 -
Inlet and Exhaust Reline
You may use a reline conguration with a masonry or
zero-clearance replace.
FP1924
3" (75 mm) Exhaust
UL 1777 Gas Liner 3" (75 mm) Inlet
Termination Kits (Refer to Page 11)
14 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
1. Before installation, the glass frame removal tool must
be removed from the side of the unit. As you face the
front of the unit, the glass frame removal tool is located
on the right side.
2. Remove the screw securing the tool to the unit. remove
tool and replace screw.
3. Use the large end of the tool to unlatch the two (2) glass
frame latches.
4. Pull glass frame away from unit and lift up and away.
Fp2967
glass frame latch tool
Glass Frame
Removal Tool
Glass Frame
Latch
Figure 12 -
Use Tool (provided) to Release Glass
Frame Latches
FP2967
Figure 13
1, Rear Panel 2, Upper Brick Retainer Brackets
1, Left Panel 2, Lower Brick Retainer Brackets
1, Right Panel 2, Front Brick Retainer Brackets
4, Self-tapping Screws
1. Remove brick panels and retainers from packaging.
2. Remove two (2) screws on each side of front edge of
chamber.
3. Install one (1) front brick retainer bracket on each side
with the screws removed in Step 2.
4. Carefully set rear brick panel with notch up on log sup-
port.
5. Carefully place right or left side brick panel in place
making sure front edge of brick is behind the front brick
retainer bracket.
6. Using self-tapping screw, install upper brick retainer
bracket (with two (2) holes and slot with the long side
down into the top of the inner chamber.
7. Using self-tapping screw, install lower brick retainer
bracket (smaller bracket) into the log support bracket
centered on brick panel.
8. Repeat Steps 6 & 7 for remaining side.
FP2982
install brick panels
Remove Screws
Rear Brick Panel
with Notch Up
Upper Brick
Retainer
Bracket
Lower Brick
Retainer
Bracket
Front Brick
Retainer Right Brick
Panel
Left Brick
Panel
FP2982
Figure 13 -
Install Brick Panels
WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
Un panneau vitré chaud peut
causer des brûlures.
Laissez refroidir le panneau
vitréavant d’y toucher.
Ne laisser jamais les enfants
toucher le panneau vitré.
AVERTISSEMENT
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
15
The contemporary porcelain liner kit can only be
used with a contemporary unit. The log porcelain liner kit
can only be used with a log unit.
30ICFPKB - Log Porcelain Liner Kit
VCFI31CPKB - Contemporary Porcelain Liner Kit Black
VCFI31CPKBZ - Contemporary Porcelain Liner Kit Bronze
1, Rear Panel
1, Left Panel
1, Right Panel
1, Contemporary Support Bracket (Contemporary Kit
only)
4, #8 Screws (Contemporary Kit only)
4, Self-tapping Screws
KT1638
install panels
Remove Screws
Rear Porcelain
Panel
Right Porcelain
Panel
Left Porcelain
Panel
KT1638
Alignment
Notches
Alignment Notches
Contemporary Support
Bracket
(Supplied w/Contem-
porary Kit)
Use Self-tapping
Screws Existing
Support
Figure 14
1. Remove porcelain panels and hardware from packag-
ing.
2. For contemporary porcelain panel kit use supplied sup-
port for installation. Install support by installing two (2)
screws provided into holes in rear wall of insert chamber.
Install one (1) screw into hole in left and right sides of
insert chamber.
3. Carefully set rear porcelain panel on log support.
4. Carefully place right or left side porcelain panel in place
making sure alignment notches align with log support
and panel is pushed against the rear panel.
5. Using self-tapping screws, secure side panels to rebox
wall. Side panels will hold rear panel in place.
6. Repeat Steps 4 & 5 for remaining side.
Figure 14 -
Porcelain Panel Installation
16 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
The intake/exhaust manifold is shipped attached to insert.
It may be removed to allow tight installation.
1. Unfasten the two (2) machine screws on the face of the
unit and release the plate assembly by sliding the plate
back.
2. Attach the exhaust and the intake ex pipes to the collar
on the plates with a hose clamp (not provided) or other
approved methods (check local codes).
The unit is shipped from the factory without a baffle
installed. On the natural gas units, the bafe should be
sufcient for venting up to 20 feet (6 m) off the top of the
unit. An extra bafe plate is shipped with the unit for instal-
lations of 20 feet and above.
Remove four (4) screws holding bafe plate. Add extra
bafe pate and reinstall screws. Align slots in bafe plates
so the slots are closed. Retighten screws.
For propane (LP) units the bafe assembly is com-
pletely removed for venting under 20 ft. (6 m). For venting
20 ft. and above, the bafe assembly is to be used with
only one (1) bafe plate installed. Figure 17
FP1961
baffle adjustment
9/08
Loosen Four (4) Screws to Adjust
FP1961
Figure 17 -
Bafe Assembly and Adjustment
3. Slide plate assembly back in place under locating
tabs.
4. While sliding unit in place, if necessary the glass latch/
shutoff tool can be used to help place the plate assem-
bly. Using the small end of the tool, insert it in the square
notch in top front of rebox. Hook the plate assembly
with tool and pull forward into place while sliding rebox
to the rear. Figure 16
5. Reinstall and tighten machine screws.
FP2977
latch tool plate assy
Plate
Assembly
Latch Tool FP2977
Figure 16
FP2979
intake exhaust
Figure 15
Machine
Screws
Intake Collar
Exhaust/Intake
Slide Plate
Assembly
FP2979
Exhaust Collar
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
17
Use proper gas type for the insert you are installing. If you
have conicting gas type, do not install insert. See dealer
where you purchased the insert for proper insert according
to your gas type.
Make sure you have the items listed below before install-
ing appliance.
• Piping (check local codes) • Test gauge connection*
• Tee joint • Pipe wrench
• Sealant (resistant to propane/LP gas)
• Sediment trap (optional but recommended)
• External regulator (supplied by installer)
• approved exible gas line with gas connector (if allowed
by local codes — not provided)
* A CSA design-certied equipment shutoff valve with
1/8" NPT tap is an acceptable alternative to test gauge
connection. Purchase the CSA design-certied equip-
ment shutoff valve from your dealer.
For propane/LP connections only, the installer must supply
an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas
pressure to between 11 and 13 inches of water. If you do
not reduce incoming gas pressure, burner system regula-
tor damage could occur. Install external regulator with the
vent pointing down as shown in Figure 18. Pointing the
vent down protects it from freezing rain or sleet.
FP1930
external regulator
9/08
External
Regual-
tor
Vent
Pointing
Down
100 gal. (min.
Propane/LP
Supply Tank
FP1930
Figure 18 -
External Regulator with Vent Pointing Down
(Propane/LP Only)
18 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
A listed manual shutoff is factory installed upstream of
appliance. Union tee and plugged 1/8" NPT pressure tap-
ping point should be installed upstream of the appliance.
Figure 19
The main gas valve is for turning on or
shutting off the gas to the insert.
Check your building codes for any special requirements
for locating equipment shutoff valve to inserts.
Apply pipe joint sealant lightly to threads. This will pre-
vent excess sealant from going into pipe. Excess sealant
in pipe could result in clogged burner system valves.
We recommend that you install a sediment trap/drip leg in
supply line as shown in Figure 19. Locate sediment trap/drip
leg where it is within reach for cleaning. Install in piping
system between fuel supply and burner system. Locate
sediment trap/drip leg where trapped matter is not likely to
freeze. A sediment trap traps moisture and contaminants.
This keeps them from going into the burner system gas con-
trols. If sediment trap/drip leg is not installed or is installed
wrong, burner system may not run properly.
From Gas Meter
(4.5" w.c. to 10.5" w.c. Pressure)
From External Regulator
(11" w.c. to 13" w.c. Pressure)
3" Minimum
FP1931
gas connection
9/08
Approved Flexible
Gas Line Supplied
with Appliance
Tee Joint
Pipe Nipple
Cap
Figure 19 -
Gas Connection
Figure 19
20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
19
Figure 20 -
Signature Command Valve
FP1909a
signature command valve
alternate view
8/08
Pressure Inlet
Pilot Adjust-
ment Screw
Pressure Outlet
1. Check gas type. The gas supply must be the same as
stated on the appliance’s rating decal. If the gas supply
is different from the replace, Do not install the
appliance. Contact your dealer immediately.
2. To ease installation, a 24" (610 mm) ex line with manual
shut-off valve has been provided with on this appliance.
Install and attach 1/2" gas line onto shut-off valve.
3. After completing gas line connection, purge air from
gas line and test all gas joints from the gas meter to
the replace for leaks. Use a solution of 50/50 water
and soap solution or a gas sniffer.
4. To check gas pressures at valve, turn captured screw
counter clockwise 2 or 3 turns and then place tubing
to pressure gauge over test point. Turn unit to high.
Figure 20. After taking pressure reading, be sure and
turn captured screw clockwise rmly to reseal. Do not
over torque. Check test points for gas leaks.
The glass frame removal tool shown on Page 14, Figure
12 can also be used to turn off the gas supply to the unit's
gas valve. Figure 21
1. Insert the narrow end of the tool with the rectangular
cutout, onto the protrusion on the gas shutoff located at
the front end of the valve.
2. Turn to the right until the protrusion on the shutoff is
horizontal.
3. The gas is now off to the appliance.
In some installations, the optional doors may need
to be opened to provide access to the the gas shutoff.
FP2983
turn off gas
Glass Frame
Removal Tool
Gas Shutoff Valve
Figure 21 -
Use the Glass Frame Removal Tool
to Turn Off Gas Supply
FP2983
20 20304166
VC31LDVI/VC31CDVI Gas Fireplace Insert
A/C Module
Control Board
RF Receiver
ON/OFF Button
Pilot
Black / Thermopile
Red / Thermopile
Sensor
Ignitor / Sparker
Conversion
NG/LP
Plug-in Connector
Control Board to Command Center
OFF/LO LED ON/HI
Master Switch
Command Center
Plug-in Connector
Stepper Motor to
Control Board
DC Power/Green
Ground
Plug-in Connector
Control Board to
Solenoid
Gas In
Gas Out
Pilot Gas Tubing
Valve
A/C Module
FP2962
SCS wiring diagram
To Outlet
Optional Aux.
300 Watts
Max
300 Watts
Max
300 Watts
This insert will work without any electrical supply.
Electricity is only needed to operate blower.
Verify proper operation after servicing.
National Electrical Code ANSI/NFPA 70 (latest
edition)Canadian Electrical Code, CSA C22.1
Figure 22 -
Signature Command Wiring Diagram
Wall switch
wires must be con-
nected together.
This manual suits for next models
2
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