Vermont Castings VWF18 User manual
277300
VWF log cover
This gas log set is to be installed only in a
solid-fuel burning replace with a working ue
constructed of noncombustible material.
Installation and Operating
Instructions
27D8520 1/13 Rev. 14
227D8520
VWF Series Vented Gas Log Set
Gas Specications .................................................... 4
Gas Pressures .......................................................... 4
Minimum Hearth Dimensions .................................... 4
Damper Stop Installation ........................................... 7
Before Installing the Appliance .................................. 7
Check System Operation .......................................... 9
Fill the Burner Pan .................................................. 12
VWF18 Massive Oak Log Placement ..................... 12
VWF24 Massive Oak Log Placement ..................... 14
VWF30 Massive Oak Log Placement ..................... 15
VWF36 Massive Oak Log Placement ..................... 17
VWF18 American Oak Log Placement .................... 19
VWF24 American Oak Log Placement .................... 20
VWF30 American Oak Log Placement .................... 21
VWF24B Log Placement ......................................... 23
VWF24/18 Split River Oak Log Placement ............. 24
VWF30/24 Split River Oak Log Placement ............. 26
VWF36/30 Split River Oak Log Placement ............. 28
VWF18 Split Pine Placement .................................. 30
VWF24 Split Pine Placement .................................. 33
VWF30 Split Pine Placement .................................. 35
VWF24/18WP Weathered Pine Log Placement ...... 37
VWF30/24WP Weathered Pine Log Placement ...... 39
WF36/30WP Weathered Pine Log Placement ........ 41
Manual Control Lighting Instructions ...................... 43
Millivolt Control Lighting Instructions ...................... 44
Assembly ................................................................. 48
Massive Oak Logs ................................................... 49
American Oak Logs ................................................. 50
Birch Logs ............................................................... 50
Split River Oak Logs ............................................... 50
Split Pine Logs ........................................................ 51
Weathered Pine Logs .............................................. 52
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.
3
27D8520
VWF Series Vented Gas Log Set
Please leave these instructions with the appliance.
Please retain these instructions for future reference
.
1. The installation, combustion and ventilation air
must conform with local codes or, in the absence of
local codes, with the National Fuel Gas Code, ANSI
Z223.1.
2. Installation and repair should be done by a qualied
service person. Vermont Castings Group Vented Gas
Logs must be installed only in a masonry or a UL 127
solid-fuel replace with minimum venting requirements,
see installation section.
3. To prevent malfunction, gas log set and ue should
be cleaned at least annually by a professional service
person. More frequent cleaning may be required due
to excessive lint from carpeting, etc. It is imperative
that control compartments, burners and circulating air
passageways be kept clean.
5. Never burn solid fuels in a replace where a gas log
set is installed.
6.
A replace screen must be
in place when the log set is burning. Provisions for
adequate combustion air must be provided. Adequate
combustion air usually results in all ames curling into
the replace away from screen and up the ue.
8. Keep room area clear and free from combustible
materials, gasoline and other ammable vapors and
liquids.
9. Children and adults should be alerted to the hazard
of high surface temperature and should stay away to
avoid burns or clothing ignition.
10. Young children should be carefully supervised when
they are in the same room with the gas log set in opera-
tion.
11. Do not place clothing or other ammable material near
the replace when the gas logs are in use.
12. Do not use this gas log set if any part has been under-
water. Immediately call a qualied service technician
to inspect the gas logs and replace any part of the
control system and any gas control which has been
under water.
13. The gas log set
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 (3.5kPa).
14. Secure gas log set to replace.
15. This log set will burn off the paint on the front grate
bar.
16.
Installation of this vented gas log in the Commonwealth
of Massachusetts requires the damper be permanently
removed or welded in the full open position. In addition, a
naturally vented gas log may not be installed in a bedroom
or bathroom in the Commonwealth of Massachusetts. Flex
line installation must not exceed 36".
427D8520
VWF Series Vented Gas Log Set
Natural Propane (LP)
Manifold Pressure 4.0” w.c. 10.0” w.c.
Max. Gas Inlet Pressure 10.0” w.c. 13.0” w.c.
Min. Gas Inlet Pressure 4.0" w.c. 10.0" w.c.
VWF18N Natural Manual 60,000
VWF18P LP Manual 60,000
VWF24N Natural Manual 70,000
VWF24P LP Manual 60,000
VWF30N Natural Manual 80,000
VWF30P LP Manual 60,000
VWF36N Natural Manual 80,000
VWF36P LP Manual 60,000
Actual performance, ame height, Btu/hr will vary
with specic installation, gas pressure, shutoff valve po-
sition (fully open), valve type and rebox draft conditions.
FP2725
min hearth dims
VWF18 21” 13Z\x” 24”
VWF24 27” 13Z\x” 30”
VWF30 33” 13Z\x” 36”
VWF36 39” 13Z\x” 42”
VWF18 25” 13Z\x” 28”
VWF24 31” 13Z\x” 34”
VWF30 37” 13Z\x” 40”
VWF36 43” 13Z\x” 46”
*Use this chart for
SRO and WP Manual
Control Logs
5
27D8520
VWF Series Vented Gas Log Set
Check your packing list to verify that all listed parts have
been received. You should have the following:
• Burner and Grate Weldment Assembly
• Lava Rocks (x2)
• Extenders w/ Knob (Manual Control Only)
• Glowing Embers (Rock Wool)
• Damper Clamp
• Vermiculite
• Installation /Operating Instructions
• 3/8" Aluminum Tube with 3/8" 90° elbow, 1/2” to
3/8” tube tting
• Shield Plate
• Control Cover
• Individual Logs
• Installation Instructions
Carefully inspect the contents for shipping damage. If any
parts are missing or damaged, immediately inform the
dealer from whom you purchased the appliance.
Ensure that the following items are available before pro-
ceeding with installation:
• External regulator (for propane/L.P.G. only)
• Shutoff valve
• Pipe wrench
• Piping which complies with local codes
• Drill with masonry bit (for mounting to the oor)
• Pipe sealant approved for use with propane/L.P.G.
(Resistant to sulfur compounds)
6' 64 sq in
8' 64 sq in
10' 64 sq in
15' 51 sq in
20' 51 sq in
30' 51 sq in
627D8520
VWF Series Vented Gas Log Set
The following are guidelines for placing a VWF log set in a replace that has a restrictive barrier
along the bottom front opening of the replace. Some examples of barriers are glass/screen door
frames and sunken/recessed replaces.
No Restriction 13" Manual Control
13Z\x" Millivolt Control
0 to 1Z\x" 15"
Greater than 1Z\x" to 3" 15"
Greater than 3" Any barrier greater than three inches (3") placed in front of the
gas log set is not recommended by the manufacturer
X
FP2726
restriction depth
Glass door frames with
adjustable louvers should
have the lovers
while the unit is in operation.
Height of restrictive barrier caused
by glass door frames, recessed
replaces, etc. from the base or
bottom surface of the unit. (See Table).
The log set should be placed against
or as near as possible to the rear wall
of the replace/rebox.
Depth of replace/rebox.
(Refer to Table).
Noncombustible material such as refractory brick
may be used to line the oor of the replace in order to
raise the height of the gas log set in relation to a restrictive
barrier.
7
27D8520
VWF Series Vented Gas Log Set
A damper stop must be provided with the unit. The damper
stop must be installed as shown in Figure 3 to prevent full
closure of the replace damper blade and provide a mini-
mum ue opening, according to the table on Page 5.
Should the clamp not t, or provide the required permanent
opening from the table, have the damper cut to provide
a minimum permanent opening or install a permanent
stop.
Installa-
tion of this vented gas log in the Commonwealth of Mas-
sachusetts requires the damper be permanently removed
or welded in the full open position. In addition, a naturally
vented gas log may not be installed in a bedroom or bath-
room in the Commonwealth of Massachusetts.
FP2727
damper
Damper Stop
Damper
FP2727
In compliance with ANSI Z21.60, CSA 2.26 and National
Fuel Gas Code, Section 6.
• Turn off gas supply to replace or rebox.
• Clean replace oor and chimney before installing log
set. Seal any ash clean out doors to protect the
unit from down drafts.
1. Place grate/burner assembly into rebox with
the front pan facing forward.
2. Drill two (2) 5/32" diameter holes approximately
1Z\x" deep.
3. Anchor the front pan to the oor using the screws
provided.
FP2728
secure burner assy
Screws
Injector
(Natural Gas Only)
FP2728
827D8520
VWF Series Vented Gas Log Set
LG1040
valve cover
Valve
Cover
Grate Bar
Manual
Control Valve
LG1040
LG1043
millivolt cover
Valve Cover
Millivolt Control
Valve
Grate LG1043
9
27D8520
VWF Series Vented Gas Log Set
Pilot
Millivolt Control Valve
LG1044
Millivolt valve wiring diagram
LG1044
The Millivolt (thermopile) is a self powered combination gas
control that does not require 110V AC to operate. Refer to
Figure 7 and installation instructions provided with optional
wall switch or remote control for wiring instructions. A maxi-
mum length of 15 feet of 18 awg two conductor wire is to
be used for wall switch. Switches must be suitable
for millivolt operation. The optional wall switch must be
mounted outside the rebox. The remote receiver location
must not exceed a temperature of 120° F.
The millivolt system and individual components may be
checked with a millivolt meter having a 0-1000mV range.
Conduct each check shown in chart below by connection
meter test leads to terminals as indicated.
a. If the reading is more than 100 millivolts and the
automatic valve still does not come on — replace
the control.
b. If the closed circuit reading (“A” reading) is less
than 100 millivolts, determine cause for low reading
— proceed as follows:
A Complete TH & TH/TP Min. 100 mV
System
B Thermopile TP & THTP Min. 325 mV
Output
a. 325 millivolts minimum. If the minimum millivolt read-
ing is not obtainable, readjust pilot for maximum mil-
livolt output. If millivolt reading is still below minimum
specied, replace thermopile.
10 27D8520
VWF Series Vented Gas Log Set
FP2739
gas connection
Pipe Coupling
To Gas Log Set or
to Gas Valve Shutoff
Valve
Gas Supply Inlet
Pipe
Locations that the Pressure
Tapping Point May be Installed
Hold appliance rmly with a wrench to pre-
vent movement when connecting to inlet piping.
to reduce the supply tank pressure to a
maximum of 13.0" w.c. High pressure natural gas systems
require a regulator to reduce supply pressure to 10.0”
w.c.
11
27D8520
VWF Series Vented Gas Log Set
LG1045
manual control valve
Test Plug
LG1045
The gas log set gas inlet connection is 3/8" NPT at the
regulator, inlet on the right side facing the gas log. If a left
side connection is required, the connecting pipe may be
led under the rear of the gas logs or behind the grate for
connection to the inlet.
Test all gas joints from the gas meter to the appliance
regulator for leaks using a gas analyzer or soap and water
solution after completing connection.
Check the gas pressure with the appliance burning.
Figure 9
The pressure regulator is preset and locked to discourage
tampering. If the pressure is not as specied, replace with
the correct part from the parts list in this manual.
Remove 1/8" NPT plug, located on side of regulator body.
Install tting and tubing to pressure gauge. After taking
pressure reading, re-install test plug. which should be
checked at the pressure test point. Check for gas leaks.
Figure 10
The valve regulator controls the burner pressure which
should be checked at the pressure test point. Turn captured
screw counter clockwise 2 or 3 turns and then place tubing
to pressure gauge over test point (Use test port labeled
“OUT”). After taking pressure reading, be sure and turn
captured screw clockwise rmly to re-seal. Do not over
torque. Check for gas leaks.
LG1046
millivolt control valve
Test Port “Out”
LG1046
12 27D8520
VWF Series Vented Gas Log Set
Fill the burner pan with vermiculite to the bottom of the rear
log and sloped to the front edge of the burner pan. Excess
vermiculite can spill forward or to the side of the burner
pan. Do not overll the propane model. Do not cover the
pilot (if SPK or MVVK is installed) with vermiculite or rock
wool (embers).
The Wildre ame appearance can vary due to differences
in draft and replace congurations and ember placement.
After installing rear (#1) and front logs (#2 and #3), cover
the entire top surface of the vermiculite in the burner pan
with the rock wool supplied with unit. Tear the rock wool
into pieces approximately 1/2" in size (roughly the size of a
nickel) and cover the burner evenly. Do no use more rock
wool than the amount supplied with the unit. To enhance
the appearance of the Wildre ame, it is recommended
to form a mound of rock wool in the center of the burner,
2" to 3" high, visible through the two front logs.
Sprinkle volcanic rock in front of front glowing embers
and to both sides.
1. Slide shield plate behind burner pan. Figure 11
2. Center rear log #1 on grate bars and ush with rear of
the grate. Figure 12
LG837
VWF18 shield plate
Shield Plate
Burner Pan
LG837
LG838
VWF18MO rear log
Rear Log #1
LG838
13
27D8520
VWF Series Vented Gas Log Set
3. Place front left log #2 on the front of the grate and to
the left. Figure 13
4. Place front right log #3 on the front of the grate and to
the right. Figure 13
LG839
VWF18MO front logs
Front Right
Log #3
Front Left
Log #2
LG839
Lg840
VWF18MO middle logs
Left Side Middle
Log #4 Right Side
Middle Log
#5
LG840
LG841
VWF18MO top log
Right Top
Log #6
LG841
5. Place left side middle log #4 as shown.
Figure 14
6. Place right side middle log (#5). Figure
14
7. Place right top log #5 as
shown. Figure 15
14 27D8520
VWF Series Vented Gas Log Set
1. Slide shield plate behind burner pan. Figure 16
2. Center rear log #1 on grate bars and ush with rear of
the grate. Figure 17
LG846
VWF24MO left log
LG830
VWF24 shield
Shield Plate
Burner Pan
LG830
LG842
VWF24MO rear log
Rear Log #1
LG842
LG843
VWF24MO front logs
Front Left Log #2
Front Right
Log #3
LG843
Left Middle
Log #4
LG846
3. Place front left log #2 on the front of the
grate and to the left. Figure 18
4. Place front right log #3 on the front of
the grate and to the right. Figure 18
5. Place left side middle log #4 as
shown. Figure 19
15
27D8520
VWF Series Vented Gas Log Set
6. Place right side middle log #5
as shown. Figure 20
7. Place left top log #7 as shown.
Figure 20
LG844
VWF24MO middle logs
Left Side
Middle Log #4 Right Side Middle
Log #5
LG844
LG845
VWF24MO top log
Right Top Log #6
LG845
8. Place right top log #6 as
shown. Figure 21
1. Slide shield plate down back of burner pan. Figure 22
LG801
shield plate
Shield Plate
Burner Pan
LG801
LG847
VWF30MO rear log
Rear Log #1
LG847
2. Center rear log #1 on
grate bars and flush
with rear of the grate.
Figure 23
16 27D8520
VWF Series Vented Gas Log Set
3. Place front left log #2 on the front of the
grate and to the left. Figure 24
4. Place front right log #3 on the front of the
grate and to the right. Figure 24
LG848
VWF30MO front logs
Front Left Log #2
Front Right Log #3
LG848
LG849
VWF30MO middle logs
Right Middle Log #5
Left Middle Log #4
LG849
LG849
VWF30MO top logs
Left Top Log #7 Right Top Log
#6
LG850
LG851
VWF30MO top cross log
Top Crossover
Log #8
LG851
5. Place left middle log #4 as shown.
Figure 25
6. Place right middle log #5 as shown.
Figure 25
7. Place right top log #6 as shown.
Figure 26
8. Place left top log #7 as shown. Fig-
ure 26
9. Place top crossover log #8 as
shown. Figure 27
17
27D8520
VWF Series Vented Gas Log Set
1. Slide shield plate behind burner pan. Figure 28
Lg852
VWF30 shield plate
Shield Plate
Burner Pan
LG852
LG853
VWF30MO rear log
Rear Log #1
LG853
LG854
VWF30MO front logs
Right Front
Log #4
Left Front Log
#2
Center Front
Log #3
LG854
2. Center rear log #1 on
grate bars and ush with
rear of the grate. Figure
29
3. Place front left log #2 in front of the
plate and to the left. Figure 30
4. Place center front log #3 on middle
grate prong. Figure 30
5. Place front right log #4 in front of the
plate and to the right. Figure 30
18 27D8520
VWF Series Vented Gas Log Set
6. Install left side log #6. Figure 31
7. Install right side middle log #7. Figure
33
8. Install right side log #10. Figure 31
LG855
VWF30MO middle logs
Left Side
Log #6
Right Side
Middle Log
#7 Right Side Log
#10
LG855
LG857
VWF30MO top mid log
LG858
VWF36MO Top left log
Top Left Middle
Log #8
LG858
LG856
VWF30MO top left log
Top Left
Log #9
LG856
Top Right
Log #11
Top Middle Log
#5
LG858
9. Install top left
middle log #8.
Figure 32
10. Install top left log #9. Figure 33
11. Install top right log #11. Figure
33
12. Install top middle log #5.
Figure 34
19
27D8520
VWF Series Vented Gas Log Set
LG859
VWF18AO rear log
Rear Log #1
LG859
LG860
VWF18AO front log
Front Log #1
LG860
LG862
VWF18AO middle logs
Right/Left
Middle Log
#4
Right/Left
Middle Log #4
LG862
LG861
VWF18AO top logs
Top Right/Left
Log #7 Top Right/Left
Log #7
LG861
1. Place Back Log #2 on
grate bars on back of
grate. Figure 35
2. Place Front Log #1 on front of grate.
Figure 36
3. Position Right/Left Middle Log #4 on top
right of Log #1 and Log #2. Figure 37
4. Place Right/Left Middle Log #4 on top left
of Log #1 and Log #2. Figure 37
5. Rest Top Right/Left Log #7 on Log # 4 and
Log #1. Figure 38
6. Rest Top Right/Left Log #7 on Log #4 and Log
#1. Figure 38
20 27D8520
VWF Series Vented Gas Log Set
LG863
VWF24AO rear log
Rear Log #1
LG863
LG864
VWF24AO front log
Front Log #2
LG864
LG865
VWF24AO middle logs
Right/Left
Log #4
Right Log #3
LG865
LG866
VWF24AO top logs
Top Left Log #6 Right/Left Log #4
LG866
1. Place Back Log #2 on grate
bars on back of grate. Figure
39
2. Place Front Log #1 on front of grate.
Figure 40
3. Position Right Log #3 on top
right of Log #1 and Log #2.
Figure 41
4. Place Right/Left Log #4 on
top left of Log #1 and Log
#2. Figure 41
5. Rest Right/Left Log #4 on Log
# 3 and Log #1. Figure 42
6. Rest Top Left Log #6 on Log #4
and Log #1. Figure 42
This manual suits for next models
3
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