Empire Comfort Systems DVX36FP33CL Quick start guide

Page 123114-0-0407
LUXURY DIRECT VENT
GAS FIREPLACE HEATER
MODEL SERIES
MILLIVOLT STANDING PILOT
DVX36FP33CL(N,P)-1
DVX42FP33CL(N,P)-1
REMOTE RF MODELS
DVX36FP93CL(N,P)-1
DVX42FP93CL(N,P)-1
EFFECTIVE DATE
APRIL 2007
UL FILE NO. MH30033
INSTALLATION INSTRUCTIONS
AND
OWNER’S MANUAL
WARNING: If not installed, operated and maintained
in accordance with the manufacturer’s instructions,
this product could expose you to substances in fuel or
from fuel combustion which can cause death or seri-
ous illness.
This appliance may be installed in an aftermarket,
permanently located, manufactured home (USA only)
or mobile home, where not prohibited by state or local
codes.
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 certified
kit is used.
The Tahoe Direct Vent Zero Clearance
Gas Fireplace Heater
GAS-FIRED
Installer: Leave this manual with the appli-
ance.
Consumer: Retain this manual for future refer-
ence.
— Do not store or use gasoline or other flamma-
ble 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.
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas suppli-
er’s instructions.
• If you cannot reach your gas supplier, call
the fire department.
— Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
WARNING: If the information in these instruc-
tions are not followed exactly, a fire or explosion
may result causing property damage, personal
injury or loss of life.

Page 2 23114-0-0407
Important Safety Information ...................................................................................................................... 3
Safety Information for Users of LP Gas ..................................................................................................... 4
Requirements for Massachusetts ................................................................................................................. 5
Introduction ................................................................................................................................................. 6
Specification ................................................................................................................................................ 7
Fireplace Dimensions .................................................................................................................................. 7
Clearances ................................................................................................................................................... 8
Locating Fireplace ....................................................................................................................................... 8
Gas Supply .................................................................................................................................................. 9
Installation ............................................................................................................................................10-13
Venting Fireplace - Top ........................................................................................................................14-16
Examples - Top Vent Run ......................................................................................................................... 17
Venting Examples When Using A DVA47 Adaptor .................................................................................. 18
DVVK-4RE Vent Kit Installation Instructions ....................................................................................19-21
DVVK-4FV Direct Vent Termination Kit ............................................................................................22-28
DVVK-4F Flex Vent Instructions - Top Vent Only ................................................................................... 29
Termination Clearances ............................................................................................................................. 30
Vent Clearances ......................................................................................................................................... 31
Vent System Identification ........................................................................................................................ 32
Venting Framing and Finishing ............................................................................................................33-34
Horizontal Termination ............................................................................................................................. 35
DVVK-5F Flex Vent Instructions ............................................................................................................. 36
Vertical Termination .............................................................................................................................37-38
Log Identification ...................................................................................................................................... 39
Log Placement (13 Log Set) ................................................................................................................40-43
Operating Instructions ..........................................................................................................................44-45
Standing Pilot Wiring Diagram ................................................................................................................. 46
Standing Pilot Lighting Instructions ......................................................................................................... 47
Standing Pilot Troubleshooting ................................................................................................................. 48
RF Standing Pilot Operating Instructions ................................................................................................. 49
RF Transmitter Functions ......................................................................................................................... 50
RF Wiring Diagram ................................................................................................................................... 51
RF Standing Pilot Lighting Instructions ................................................................................................... 52
Maintenance and Service .......................................................................................................................... 53
Parts View ................................................................................................................................................. 54
Parts List ..............................................................................................................................................55-56
FBB4 Variable Speed Blower Installation ...........................................................................................57-58
Junction Box Wiring Installation Instructions .......................................................................................... 58
Accent Lamp ............................................................................................................................................. 59
Accessories ................................................................................................................................................ 60
How To Order Repair Parts ....................................................................................................................... 61
Service Notes .......................................................................................................................................61-63
Section Page
TABLE OF CONTENTS

Page 323114-0-0407
DO NOT OPERATE THIS APPLIANCE WITHOUT GLASS FRONT PANEL INSTALLED
Before enclosing the vent pipe assembly, operate the appliance to ensure it is venting properly.
• If this appliance is installed directly on carpeting, tile
or other combustible material other than wood flooring
the appliance shall be installed on a metal or wood panel
extending the full width and depth of the appliance.
The base referred to above does not mean the fireproof
base as used on wood stoves. The protection is for rugs
that are extremely thick and light colored tile.
• 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 flammable material should not be placed
on or near the appliance.
• Adequate accessibility clearances for servicing and proper
operation.
• This appliance must not share or be connected to a flue
serving a separate solid-fuel burning appliance.
• Keep the area around your appliance clear of combustible
materials, gasoline and other flammable vapor and
liquids.
• Under no circumstances should any solid fuels (wood, coal,
paper or cardboard etc.) be used in this appliance.
• The flow of combustion and ventilation air must not be
obstructed in any way.
• Due to high temperatures the appliance should be located
out of traffic and away from furniture and draperies.
• The glass front or any part removed for servicing the appliance
must be replaced prior to operating the appliance. Work
should be done by a qualified service person.
• Keep burner and control compartment clean.
• Vent cap is hot while fireplace is in operation.
• Installation and repair should be done by a qualified service
person. The appliance should be inspected before use
and at least annually by a qualified service person. More
frequent cleaning may be required due to excessive lint from
carpeting, bedding materials, etc. It is imperative that control
compartments, burners and circulating air passageways of
the appliance be kept clean.
• Do not put anything around the fireplace that will obstruct
the flow of ventilation air.
• Clearance in accordance with local installation codes and
the requirements of the gas supplier.
• Do keep the appliance area clear and free from combustible
material, gasoline and other flammable vapors and liquids.
• Do examine venting system periodically and replace damaged
parts.
• Do make a periodic visual check of pilot and burners. Clean
and replace damaged parts.
• CAUTION: The glass used in your fireplace is tempered glass.
If the glass is cracked or damaged in any way, it should be
replaced only with a complete glass frame assembly from
Empire. See parts list on Pages 55 and 56 for ordering.
• Do not use this fireplace if any part has been under water.
Immediately call a qualified service technician to inspect the
heater and to replace any part of the control system and any
gas control which has been under water.
• Any safety screen or guard removed for servicing an appliance
must be replaced prior to operating the appliance.
IMPORTANT SAFETY INFORMATION

Page 4 23114-0-0407
Some people cannot smell well. Some people cannot smell the
odor of the chemical put into the gas. You must find out if you
can smell the odorant in propane. Smoking can decrease your
ability to smell. Being around an odor for a time can affect your
sensitivity or ability to detect that odor. Sometimes other odors
in the area mask the gas odor. People may not smell the gas odor
or their minds are on something else. Thinking about smelling a
gas odor can make it easier to smell.
The odorant in LP-Gas is colorless, and it can fade under some
circumstances. For example, if there is an underground leak, the
movement of the gas through soil can filter the odorant. Odorants
in LP-Gas also are subject to oxidation. This fading can occur if
there is rust inside the storage tank or in iron gas pipes.
The odorant in escaped gas can adsorb or absorb onto or into walls,
masonry and other materials and fabrics in a room. That will take
some of the odorant out of the gas, reducing its odor intensity.
LP-Gas may stratify in a closed area, and the odor intensity could
vary at different levels. Since it is heavier than air, there may be
more odor at lower levels. Always be sensitive to the slightest gas
odor. If you detect any odor, treat it as a serious leak. Immediately
go into action as instructed earlier.
Propane (LP-Gas) is a flammable gas which can cause fires
and explosions. In its natural state, propane is odorless and
colorless. You may not know all the following safety precau-
tions which can protect both you and your family from an
accident. Read them carefully now, then review them point
by point with the members of your household. Someday when
there may not be a minute to lose, everyone’s safety will depend
on knowing exactly what to do. If, after reading the following
information, you feel you still need more information, please
contact your gas supplier.
• Learn to recognize the odor of LP-Gas. Your local LP-Gas
Dealer can give you a “Scratch and Sniff” pamphlet. Use it to
find out what the propane odor smells like. If you suspect that
your LP-Gas has a weak or abnormal odor, call your LP-Gas
Dealer.
• If you are not qualified, do not light pilot lights, perform service,
or make adjustments to appliances on the LP-Gas system. If
you are qualified, consciously think about the odor of LP-Gas
prior to and while lighting pilot lights or performing service
or making adjustments.
• Sometimes a basement or a closed-up house has a musty smell
that can cover up the LP-Gas odor. Do not try to light pilot
lights, perform service, or make adjustments in an area where
the conditions are such that you may not detect the odor if
there has been a leak of LP-Gas.
• Odor fade, due to oxidation by rust or adsorption on walls of
new cylinders and tanks, is possible. Therefore, people should
be particularly alert and careful when new tanks or cylinders
are placed in service. Odor fade can occur in new tanks, or
reinstalled old tanks, if they are filled and allowed to set too
long before refilling. Cylinders and tanks which have been
out of service for a time may develop internal rust which will
cause odor fade. If such conditions are suspected to exist, a
periodic sniff test of the gas is advisable. If you have any
question about the gas odor, call your LP-Gas dealer. A
periodic sniff test of the LP-Gas is a good safety measure
under any condition.
• If, at any time, you do not smell the LP-Gas odorant and you
think you should, assume you have a leak. Then take the same
immediate action recommended above for the occasion when
you do detect the odorized LP-Gas.
• If you experience a complete “gas out,” (the container is under
no vapor pressure), turn the tank valve off immediately. If the
container valve is left on, the container may draw in some air
through openings such as pilot light orifices. If this occurs,
some new internal rusting could occur. If the valve is left
open, then treat the container as a new tank. Always be sure
your container is under vapor pressure by turning it off at the
container before it goes completely empty or having it refilled
before it is completely empty.
• Do not operate electric switches, light matches, use your phone.
Do not do anything that could ignite the gas.
• Get everyone out of the building, vehicle, trailer, or area. Do
that IMMEDIATELY.
• Close all gas tank or cylinder supply valves.
• LP-Gas is heavier than air and may settle in low areas such as
basements. When you have reason to suspect a gas leak, keep
out of basements and other low areas. Stay out until firefighters
declare them to be safe.
• Use your neighbor’s phone and call a trained LP-Gas service
person and the fire department. Even though you may not
continue to smell gas, do not turn on the gas again. Do not
re-enter the building, vehicle, trailer, or area.
• Finally, let the service man and firefighters check for escaped
gas. Have them air out the area before you return. Properly
trained LP-Gas service people should repair the leak, then
check and relight the gas appliance for you.
SOME POINTS TO REMEMBER
NO ODOR DETECTED - ODOR FADE
LP-GAS WARNING ODOR
If a gas leak happens, you should be able to smell the gas because of the odorant put in the LP-Gas.
That’s your signal to go into immediate action!
SAFETY INFORMATION FOR USERS OF LP GAS

Page 523114-0-0407
REQUIREMENTS FOR MASSACHUSETTS
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:
1. INSTALLATION OF CARBON MONOXIDE
DETECTORS.
At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gasfitter shall
observe that a hard wired carbon monoxide detector with an
alarm and battery back-up is installed on the floor level where
the gas equipment is to be installed. In addition, the installing
plumber or gasfitter shall observe that a battery operated
or 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 qualified licensed professionals for
the installation of hard wired carbon monoxide detectors
a. 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.
b. 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.
2. APPROVED CARBON MONOXIDE DETECTORS. Each
carbon monoxide detector as required in accordance with the
above provisions shall comply with NFPA 720 and be ANSI/
UL 2034 listed and IAS certified.
3. 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”.
4. 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.
(b) EXEMPTIONS: The following equipment is exempt
from 248 CMR 5.08(2)(a)1 through 4:
1. 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
2. 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.
(d) MANUFACTURER REQUIREMENTS - 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:
1. The referenced “special venting system” instructions
shall be included with the appliance or equipment
installation instructions; and
2. 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 instruction.
(e) 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.

Page 6 23114-0-0407
Instructions to Installer
1. Installer must leave instruction manual with owner after
installation.
2. Installer must have owner fill out and mail warranty card supplied
with the fireplace.
3. Installer should show owner how to start and operate the
fireplace.
This direct vent gas fireplace heater is designed to operate with all
combustion air being siphoned from the outside of the building
and all exhaust gases expelled to the outside of the building. The
information contained in this manual pertains to all models and gas
control systems unless otherwise noted.
Warning: This unit is not for use with solid fuels.
Appliance Certification
This fireplace is design certified in accordance with American
National Standard/CSA Standard ANSI Z.21-88/CSA 2.33 and by
Underwriters Laboratories as a Direct Vent Gas Fireplace Heater
and shall be installed according to these instructions.
Consult your local building code agency, prior to installation,
to ensure compliance with local codes-including permits and
inspections.
The fireplace, when installed, must be electrically grounded in
accordance with local codes or, in absence of local codes, with the
National Electric Code ANSI/NFPA 70 or Canadian Electric code,
CSA C22.1, if an external electrical source is utilized.
These models may be installed in a bedroom or bed-sitting room
in the U.S.A. and Canada.
Qualified Installing Agency
Installation and replacement of gas piping, gas utilization equipment
or accessories and repair and servicing of equipment shall be
performed only by a qualified agency. The term “qualified agency”
means any individual, firm, corporation or company which either in
person or through a representative is engaged in and is responsible
for (a) the 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.
State of Massachusetts: The installation must be made by
a licensed plumber or gas fitter in the Commonwealth of
Massachusetts.
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* Natural Gas and Propane Installation Code, or CSA B149.1
in Canada. *Available from the American National Standards Institute, Inc. 11 West 42nd
St., New York, N.Y. 10036.
Warning: ANY CHANGE TO THIS FIREPLACE OR ITS
CONTROLS CAN BE DANGEROUS.
Improper installation or use of the fireplace can cause serious
injury or death from fire, burns, explosions, or carbon
monoxide poisoning.
Any alteration of the original design, installed other than as
shown in these instructions or use with a type of gas not shown on
the rating plate is the responsibility of the person and company
making the change.
Important
All correspondence should refer to complete Model Number, Serial
Number and type of gas.
High Altitude
When installing this unit at an elevation above 2000 feet (in the
United States) it may be necessary to decrease the input rating by
changing the existing burner orifice to a smaller size. Generally,
input should be reduced 4 percent for each 1000 feet above sea
level. However, if the heating value of the gas has been reduced,
this general rule may not apply. Check with local gas utility for
proper orifice size identification.
Canadian High Altitude
Altitude: 0-4500 feet (0-1370 m)
When installing this unit at an elevation above 4500 feet (in Canada),
check with local authorities.
Consult your local gas utility for assistance in determining the
proper orifice for location.
Preparation
This direct vent gas fireplace and its components are tested and safe
when installed in accordance with this Installation Manual. Report
to your dealer any parts damaged in shipment, specifically check
glass condition. Do not install unit with damaged, incomplete, or
substitute parts. Read all instructions before starting installation
and follow these instructions carefully during installation to insure
maximum benefit and safety. Failure to follow them will void your
warranty and may present a fire hazard.
The warranty will be voided by, and the warranter disclaims any
responsibility for the following actions:
• Installation of any damaged fireplace or vent system
component.
• Modification of the fireplace or direct vent system.
• Installation other than as instructed by Empire Comfort Systems,
Inc.
• Improper positioning of the logs, glass door or decorative
rock.
• Installation and/or use of any component part not manufactured
or approved by manufacturer.
INTRODUCTION

Page 723114-0-0407 Figure 1
Remote Control Options
& Accessories
Description
FRBC Millivolt Batt. Remote ON/OFF
FRBTC Millivolt Batt. Remote T-Stat
TMV Millivolt WIRELESS Wall Thermostat
TRW Millivolt REED SWITCH Wall Thermostat
FWS-1 Millivolt Wall Switch
FREC Electric Remote
NOTE: Air shutter settings are factory minimum settings. Some venting configurations may require minor air shutter adjustments for
optimum performance.
SPECIFICATIONS
FIREPLACE DIMENSIONS
DVX36 NAT DVX36 LP DVX42 NAT DVX42 LP
Input Btu/hr Maximum 35,000 30,000 37,500 35,000
Btu/hr Minimum 24,000 21,000 26,000 24,000
KWH (Maximum) 10.3 8.8 11.0 10.3
(Minimum) 7.2 6.2 7.6 7.2
Orifice #32 (P-211) 1.65mm (P-250) #31 (P-209) #50 (P-245)
Air Shutter Opening 1/4"(6.4mm) FULL OPEN 1/4" (6.4mm) FULL OPEN
Height without standoff 34 3/4 (3.2mm) 34 3/4" (3.2mm) 34 3/4" (3.2mm) 34 3/4" (3.2mm)
Width 39 3/8" (1,000mm) 39 3/8" (1,000mm) 43 3/8" (1,101mm) 43 3/8" (1,101mm)
Depth 19 7/8" (505mm) 19 7/8" (505mm) 19 7/8" (505mm) 19 7/8" (505mm)
Gas Inlet Shutoff Valve (Pipe) 1/2 NPT 1/2 NPT 1/2 NPT 1/2 NPT
DVX Dimensions
Dimension DVX36FP DVX42FP
A 34 3/4"
882.7mm
34 3/4"
882.7
B 39"
990.6mm
43"
1092.2mm
C 19 7/8"
505mm
19 7/8"
505mm
D 37 5/8"
955.7mm
37 5/8"
955.7mm
E 36"
914.4mm
40"
1016mm
G 26 1/2"
673.1mm
26 1/2"
673.1mm
H 40 3/4"
1035.1mm
40 3/4"
1035.1mm
I 13 1/4"
336.6mm
13 1/4"
336.6mm
J 7 1/8"
181mm
7 1/8"
181mm

Page 8 23114-0-0407
Mantel Chart (Figure 3)
Figure 3
Clearances (Figure 4)
Clearance from top front edge of fireplace to ceiling is 36"
Clearance from side of fireplace to adjacent sidewall is 6".
36”
(914mm)
6” (152mm)
Figure 4
MANTEL
19”
18 3/4”
17”16”
15” 14”
13”12” 11”10”
2 1/4”
1 1/2”
3/4”
8”
6”
4 1/2”
3 3/4”
3”
12” (305mm)
10” (254mm)
TOP EDGE OF FIREPLACE
COMBUSTIBLE TRIM AND MANTELS
ALLOWED IN SHADED AREA
Figure 5
Note: Island (C) and Room Divider (F)
installation is possible as long as the
horizontal portion of the vent system
(H) does not exceed 20 feet with a
minimum vertical run of 8 feet. See
details in Venting Section.
When you install your Direct Vent
Fireplace in (F) Room divider or (A) Flat
on wall corner positions, a minimum of
6 inches clearance must be maintained
from the perpendicular wall and the
front edge of the appliance.
Figure 2
Combustible Material
No greeting cards, stockings or ornamentation of any type should
be placed on or attached to the fireplace. The flow of heat can
ignite combustibles.
(A) CORNER
INSTALLATION
(E) ANGLED CORNER
INSTALLATION
(C) ISLAND
INSTALLATION
(B) CABINET
INSTALLATION
(F) ROOM DIVIDER
INSTALLATION
(D) FLUSH WALL
INSTALLATION
Clearance to Combustibles
Back 0" (0 mm)
Side 0" (0 mm)
Floor 0" (0 mm)
Top Stand-off 0" (0 mm)
Top Framing Edge 6" (152 mm)
CLEARANCES
LOCATING FIREPLACE

Page 923114-0-0407
Figure 6
The gas pipeline can be brought in through the right or left side of
the appliance. Consult the current National Fuel Gas Code, ANSI
Z223.1 CAN/CGA-B149 (.1 or .2) installation code.
Installing a New Main Gas Cock
Each appliance should have its own manual gas cock.
A manual main gas cock should be located in the vicinity of the
unit. Where none exists, or where its size or location is not ad-
equate, contact your local authorized installer for installation or
relocation.
Compounds used on threaded joints of gas piping shall be resistant
to the action of liquefied petroleum gases. The gas lines must be
checked for leaks by the installer. This should be done with a soap
solution watching for bubbles on all exposed connections, and if
unexposed, a pressure test should be made.
Never use an exposed flame to check for leaks. Appliance must
be disconnected from piping at inlet of control valve and pipe
capped or plugged for pressure test. Never pressure test with
appliance connected; control valve will sustain damage!
NOTE: The millivolt gas controls are equipped with a captured
screw type pressure test point, therefore it is not necessary to provide
a 1/8" test point up stream of the control.
When using copper or flex connector use only approved fittings.
The appliance and it’s individual shut off valve must be disconnected
from supply piping system during any pressure testing of that system
at test pressures in excess of 1/2 psig (3.5kPa).
The appliance must be isolated from the gas supply piping system
by closing its individual manual shut off valve during any pressure
testing of the gas supply piping system at test pressures equal to or
less than 1/2 psig (3.5kPa).
Attention! If one of the procedures results in pressures in excess
of 1/2 psig (14" w.c.) (3.5 kPa) on the fireplace gas valve, it will
result in a hazardous condition.
Checking Manifold Pressures
Both Propane and Natural gas valves have a built-in pressure
regulator in the gas valve. Natural gas models will have a manifold
pressure of approximately 3.5" w.c. (.871kPa) at the valve outlet
with the inlet pressure to the valve from a minimum of 4.5" w.c.
(1.120kPa) for the purpose of input adjustment to a maximum of
14.0" w.c. (3.484kPa). Propane gas models will have a manifold
pressure approximately 10.0" w.c. (2.49kPa) at the valve outlet
with the inlet pressure to the valve from a minimum of 10.8" w.c.
(2.68kPa) for the purpose of input adjustment to a maximum of
14.0" w.c. (3.484kPa).
Figure 7
Gas Supply Pressure (inches w.c.)
Minimum Normal Maximum
Natural Gas 4.5" 7.0" *14.0"
LP (Propane) 10.8" 11.0" 14.0"
Manifold Pressure (inches w.c.)
Normal (HI)
Natural Gas 3.5"
LP (Propane) 10.0"
Note: Never use plastic pipe. Check to confirm whether your local
codes allow copper tubing or galvanized.
Note: Since some municipalities have additional local codes, it is
always best to consult your local authority and installation code.
The use of the following gas connectors is recommended:
— ANS Z21.24 Appliance Connectors of Corrugated Metal Tubing
and Fittings.
— ANS Z21.45 Assembled Flexible Appliance Connectors of
Other Than All-Metal Construction
The above connectors may be used if acceptable by the authority
having jurisdiction. The state of Massachusetts requires that a flexible
appliance connector cannot exceed three feet in length.
Recommended Gas Pipe Diameter
Pipe Length Schedule 40 Pipe
Inside Diameter
Tubing, Type L
Outside Diameter
Nat. L.P. Nat. L.P.
0-10ft
0-3m
1/2"
12.7mm
3/8"
9.5mm
1/2"
12.7mm
3/8"
9.5mm
11-40ft
4-12m
1/2"
12.7mm
1/2"
12.7mm
5/8"
15.9mm
1/2"
12.7mm
41-100ft
13-30m
1/2"
12.7mm
1/2"
12.7mm
3/4"
19mm
1/2"
12.7mm
101-150ft
31-46m
3/4"
19mm
1/2"
12.7mm
7/8"
22.2mm
3/4"
1.9 mm
*NOTE: Remote "RF" Models - 10.5" w.c. maximum
GAS SUPPLY

Page 10 23114-0-0407
Framing and Finishing
1. Choose unit location.
2. Frame in fireplace with a header across the top. It is important to
allow for finished face when setting the depth of the frame.
3. Attach fireplace to frame using adjustable frame. Preset depth to
suit facing material (adjustable to 1/2", 5/8" or 3/4" depths).
4. Use (8) 1/2" hex-head screws supplied in hardware package,
to screw through slotted holes in drywall strip and then screw
into pre-drilled holes on fireplace side. Measure from face of
fireplace to face of drywall strip to determine final depth.
Figure 8
Vent Pipe Clearance
Note: Maintain one inch (1") of clearance around vertical vent
pipe. See Figure 9A. For horizontal vent, maintain a minimum 1"
clearance to the bottom and sides of the vent, and 3" clearance to
combustibles above the vent pipe. See Figure 9B
Figure 9A
VENT PIPE
1" MINIMUM CLEARANCE AROUND VENT PIPE
USE OUTER
(4) FLANGES
FOR 1/2”
DRYWALL
Figure 9B
INSTALLATION

Page 1123114-0-0407
DVX36 DVX42
"A" 40 7/8" 40 7/8"
"B" 39 3/8" 43 3/8"
"C" 19 7/8" 19 7/8"
Figure 11
Attention: If a base or mantel is not used and the appliance is
installed directly on carpeting, tile or other combustible material
other than wood flooring, it shall be installed on a metal or wood
panel extending the full width and depth of the appliance. The
vertical dimension in Figure 11 must be adjusted when a metal or
wood panel is placed beneath the appliance.
Finishing (Figures 12 and 13)
Finish the walls with the material of your choice. Figure 3 on
page 8 shows the minimum vertical and corresponding maximum
horizontal dimensions of mantels or other combustible projections
above the top front edge of the fireplace.
Only non-combustible materials may be used to cover the black
fireplace front.
Warning: When finishing the fireplace never obstruct or
modify the air inlet/outlet louvers in any manner. Provide
adequate clearances around air openings into the combustion
chamber.
Caution: If the joints between the finished wall and the fireplace
surround (top and sides) are sealed, a 300°F minimum sealant
material must be used. These joints are not required to be sealed.
Only non-combustible material (using 300°F minimum adhesive if
needed), can be applied as facing to the fireplace surround.
Flush Mount Mantel Installation (Figure 10)
The fireplace must extend 3/4" beyond finished wall surface when
using a flush mount mantel. Refer to Figure 10 to locate nailing
flanges on fireplace sides. Mark and drill two (2) 1/8" holes into
fireplace side to mount each nailing flange. Use eight (8) 1/2"
hex-head screws supplied in hardware package to attach nailing
flanges to fireplace sides.
Figure 10
Framing (Figure 11)
Fireplace framing can be built before or after the fireplace is set in
place. Framing should be positioned to accommodate wall covering
and fireplace facing material. The fireplace framing should be
constructed of 2 x 4 lumber or heavier. The framing headers may
rest on the fireplace standoffs. Refer to Figure 11 for minimum
framing dimensions.
CAUTION: MEASURE FIREPLACE DIMENSIONS AND
VERIFY FRAMING METHODS, AND WALL COVERING
DETAILS BEFORE FRAMING CONSTRUCTION
BEGINS.
Framing dimension "A" includes a three inch clearance for
standoffs on firebox. After installing firebox into framing,
the finished wall surface must cover the three inch opening
above the firebox.
NAIL OR OTHER
SUITABLE FASTENER
INSTALLATION (continued)

Page 12 23114-0-0407
Flush Wall Installation
Figure 12
Combustible Surround Installation
Figure 13
Vent Runs (Figures 14, 15, and 16)
In planning the installation for the fireplace, it is necessary to install
certain components before the appliance is completely positioned
and installed. These include the direct vent system, gas piping for the
appliance and the electrical wiring. (If the fan option is used.)
The appliance can be mounted on any of the following surfaces:
1. A flat, hard combustible (burnable) surface.
2. A raised wooden platform.
3. Four (4) corner supports. (Example: Four (4) concrete masonry
blocks.) These supports must be positioned so they contact all
four (4) perimeter edges on the bottom of the unit.
VERTICAL, 90° ELBOW WITH HORIZONTAL
TERMINATION
Figure 14
Attention: Cold climate installation recommendation:
When installing this unit against a non-insulated exterior
wall, it is recommended that the outer walls be insulated to
conform to applicable insulation codes.

Page 1323114-0-0407
CORNER INSTALLATION VERTICAL, 90° ELBOW TO
HORIZONTAL OUT THE WALL
Figure 16
VERTICAL, 90° ELBOW TO
HORIZONTAL OUT THE WALL
Figure 15
90º ELBOW “A”
PIPE
LENGTH
VENT CAP
WALL FIRESTOP/
THIMBLE
“C”
“B”
“A”
“B”
“D” 9” (229mm)
MINIMUM
VENT
CAP
6” (152mm)
MINIMUM
WALL FIRESTOP/
THIMBLE
“C”
"A" "B" "C"
6"(152mm) 11 1/4"(286mm) to
12 3/4"(324mm)
4 3/4"(121mm) to
6 1/4"(159mm)
9"(229mm) 14 1/4"(362mm) to
15 3/4"(400mm)
7 3/4"(197mm) to
9 1/4"(235MM)
12"(305mm) 17 1/4"(438mm) to
18 3/4"(476mm)
10 3/4"(273mm) to
12 1/4"(311mm)
Dim. DVX36 DVX42
A45 3/8" (1152mm) 49 5/8" (1260mm)
B32 1/8" (816mm) 35 1/8" (892mm)
C13 3/8" (34 mm) 15 1/2" (39 mm)
D64 1/8" (1628mm) 70 1/8" (1781mm)
INSTALLATION (continued)

Page 14 23114-0-0407
To Use the Vent Graph (Figure 17)
1. Determine the height of the center of the horizontal vent
pipe. Using this dimension on the Sidewall Vent Graph,
locate the point it intersects with the slanted graph
line.
2. From the point of this intersection, draw a vertical line
to the bottom of the graph.
3. Select the indicated dimension, and position the unit in
accordance with same.
EXAMPLE A:
If the vertical dimension from the floor of the unit is 35
feet, the horizontal run to the outer wall flange must not
exceed 6.5 feet.
EXAMPLE B:
If the vertical dimension from the floor of the unit is 6.5
feet, the horizontal run to the outer wall flange must not
exceed 14.5 feet.
Special Note: For each 45 degree elbow installed in the
horizontal run, the length of the horizontal run MUST be
reduced by 18" (45cm). This does not apply if the 45 degree
elbows are installed on the vertical part of the vent system.
Reduce 3' for every 90° elbow.
Example: According to the chart the maximum horizontal
vent length is 20' and if two 45 degree elbows are required
in the horizontal vent it must be reduced to 17'.
The maximum number of 45 degree elbows permitted per
side wall installation is two (2). These elbows can be installed
in either the vertical or horizontal run.
Note: On vertical venting the first elbow does not get
counted.
Figure 17
Acceptable vertical and horizontal vent run.
(40' maximum vertical and 20' maximum horizontal)
Unacceptable vertical and horizontal vent run.
TOP EXIT - VERTICAL AND HORIZONTAL TERMINATION
(DIMENSIONS IN FEET)
VERTICAL DIMENSION FROM THE BOTTOM OF THE UNIT
TO THE CENTER OF THE FLUE OUTLET
WITH VERTICAL OR HORIZONTAL TERMINATION CAPS
TOP VENT
CONNECTION
HORIZONTAL RUN
Venting Graph (Dimensions in Feet)
VENTING FIREPLACE - TOP

Page 1523114-0-0407
Figure 19
Examples of possible venting systems using two (2) 90° elbows.
V is listed as minimum vertical dimensions and H1 + H2 is listed
as total of maximum horizontal dimensions. The maximum vertical
and horizontal distances for two (2) 90° elbows as shown in Figure
20 is 22 feet.
Attention: Refer to Figure 17 for additional venting
requirements.
Figure 20
Below Grade Installation
When it is not possible to meet the required vent terminal clearances
of 12" (305mm) above grade level, a snorkel kit is recommended.
It allows installation depth down to 7" (178mm) below grade level.
The 7" (178mm) is measured from the center of the horizontal vent
pipe as it penetrates through the wall.
Ensure the sidewall venting clearances are observed. If venting
system is installed below ground, we recommend a window well
with adequate and proper drainage to be installed around the
termination area.
TYPICAL BASEMENT INSTALLATION
Figure 18
Examples of possible venting systems using one (1) 90° elbow.
Eight (8) feet is listed as minimum vertical vent run with 20 feet
of maximum horizontal vent run. Vertical dimensions are based on
centerline to centerline of pipe. Horizontal dimensions are based
on centerline of pipe to end of termination.
SEE GRAPH FOR PERMISSIBLE “H” AND “V” DIMENSIONS
NOTE: H1 AND H2 MUST BE ADDED TOGETHER TO USE CHART
FIRESTOP AT
CEILING LEVEL
SEE GRAPH FOR PERMISSIBLE “H” AND “V” DIMENSIONS
FIRESTOP AT
CEILING LEVEL
VENTING FIREPLACE - TOP (continued)

Page 16 23114-0-0407
MAXIMUM HORIZONTAL
RUN WITH NO VERTICAL
RISE AND 90° ELBOW
MAXIMUM HORIZONTAL
RUN WITH MINIMUM
VERTICAL RISE AND
90° ELBOW
3’
(914mm)
20’ (6.1m)
PIPE STRAPS
EVERY 3’ (91cm)
8’ (244cm)
TO BOTTOM
OF UNIT
VENT CAP
9” (229mm) minimum
TO SIDE WALL
Figure 23
Figure 22
MINIMUM HOLE LOCATION DIMENSIONS FOR
THROUGH THE WALL HORIZONTAL INSTALLATIONS
WITH 90 DEGREE ELBOW OFF TOP OF FIREPLACE
Positioning the Fireplace
Determine the exact position of the appliance so the direct vent
termination will be centered (if possible) between two (2) studs. This
will avoid any extra framing. All vent kit pipes should be assembled
on the unit after the unit is moved into the final position.
Cutting the Hole (Figures 21)
After the fireplace has been positioned in its permanent location,
the hole through the exterior wall of the house can be cut. This hole
must be 12" (305mm) high x 10" (254mm) wide with its center line
determined by the amount of vertical rise and horizontal run of the
termination. See Figure 21. When locating the hole it must be noted
that the bottom of the cap must be 12" (305mm) above the ground
level, and top of the cap must be no less than 18" (457mm) below
a combustible projection, and no closer than 9" (229mm) to any
wall running parallel to vent termination. See Figure 22.
SEE CHART FOR
PERMISSIBLE
“H” AND “V”
DIMENSIONS
A
CENTER OF ELBOW
STRAIGHT OUT
(MINIMUM)
10”
(254mm)
C
B
V
C
B
H
12”
(305mm)
FIREPLACE
SERIES
HARD ELBOW DIMENSIONS
"A" "B" "C"
DVX36FP 43-1/2"
(1105mm)
5"
(127mm)
7"
(178mm)
DVX42FP 43-1/2"
(1105mm)
5"
(127mm)
7"
(178mm)
FIREPLACE
SERIES
FLEX PIPE 90 DEGREE BEND
"A" "B" "C"
DVX36FP 46"
(1143mm)
5"
(127mm)
7"
(178mm)
DVX42FP 46"
(1143mm)
5"
(127mm)
7"
(178mm)
Figure 21

Page 1723114-0-0407
Figure 24
Figure 25
Figure 26
24” MINIMUM
CLEARANCE TO
COMBUSTIBLES
24”
Example
H2 = 2ft
2 - (90° + 90°) = 6ft
V1 = 21ft
H = 8ft V = 15ft
Example
H2 3ft, H3 1ft = 4ft
(90° + 90° + 90°) = 6ft
V1 = 21ft
H = 10ft V = 21ft
Example
H1 = 2ft
V1 = 20ft
H = 2ft V = 20ft
EXAMPLES - TOP VENT RUN

Page 18 23114-0-0407
VENTING EXAMPLES WHEN USING DVA47 ADAPTOR
Vertically Off Top of Fireplace Only
Example
H1 = 2ft
V1 = 20ft
H = 2ft V = 20ft
DVA ADAPTOR
Example
H2 = 2ft
2 - (90° + 90°) = 6ft
H = 8ft V = 15ft
MAXIMUM HORIZONTAL
RUN WITH NO VERTICAL
RISE AND 90° ELBOW
3’
(914mm)
DVA ADAPTOR
MAXIMUM HORIZONTAL
RUN WITH MINIMUM
VERTICAL RISE AND
90° ELBOW
20’ (6.1m)
PIPE STRAPS
EVERY 2’ (61cm)
DVA ADAPTOR
8’ (244cm)
TO BOTTOM
OF UNIT
Figure 27
Figure 28
Figure 29

Page 1923114-0-0407
CAUTION: Sharp edges, use protective gloves when
installing.
Tools Needed for Installation:
Sheet metal snips
5/16” nut driver
Phillips head screwdriver - #2
High temperature sealant or furnace cement rated for continuous
use at 1,000oF minimum
Measuring tape
Parts Verification
See parts list on page 21 to verify components included in this vent
kit prior to installation.
NOTE: If installing onto wood, lap, or vinyl siding, the vinyl siding
kit should be used (sold separately, part number DV-822).
The vinyl siding vent kit, DV-822, is available from Empire Comfort
Systems, Inc. The depth is 3” (76mm), which enables the vent cap to
be extended away from vinyl siding or projections. The wall depth
plus the additional 3” (76mm) depth of the vinyl siding vent cap
extension should not exceed a total depth of 13 3/4” (349mm).
If wall depth exceeds 13 3/4” (349mm), extend system using
6 5/8” (168mm) x 4” (102mm) rigid venting (See Fireplace Instruc-
tions for approved lengths) See Figure 31.
Installing Wall Thimble/Firestop Assembly
1. Fix fireplace to permanent location. If using rigid venting system,
install up to the location where it will exit the building.
2. Cut hole in wall for wall thimble/firestop assembly into your
combustible wall. See Figure 30. Note: On brick or block
exterior wall a 7” (178mm) diameter hole needs to be cut.
Measure the total wall thickness to determine whether or not the
extension thimble is to be used. If the combustible wall depth
is over 5 3/8” (137mm), then the extension thimble should be
used. See Figure 30.
3. Install the wall thimble assembly through the framed open-
ing so the firestop plate is on the interior wall. See Figure 30.
Telescope section should extend all the way through the exterior
wall. Attach with (4) 10 x 1” screws.
4. When placing the vent cap on an exterior wall covered with
combustibles such as wood, lap, or vinyl siding, install the
vinyl siding kit to the exterior wall sheathing.
Figure 30
Figure 31
Cutting Vent Tubes
This is the most important part of the installation. With the
fireplace (and the rigid venting system if used) fixed to its perma-
nent location, the 6 5/8” (168mm) diameter air inlet tube and the 4”
(102mm) diameter flue outlet tube are to be marked and cut using
the following procedure.
5. Attach the inlet tube to the outside mounting plate. Align
tinnerman clips on the tabs of the air inlet tube to the holes on
outside mounting plate, and fix with (2) #10 x 1/2” screws.
6. With the vinyl siding kit installed to wall (if necessary), insert
the 6 5/8” (168mm) diameter tube with outside mounting plate
attached through hole in wall. Connect to collar on fireplace or
rigid vent system. Measure between wall or vent cap extension
and outside mounting plate (Figures 32 and 33).
11”
9”
NOTE: SPACING FLANGE
INSTALLED TO TOPSIDE
INTERIOR WALL
EXTENSION
THIMBLE
DVVK-4RE VENT KIT INSTALLATION INSTRUCTIONS
X
X = 13 3/4” MAX
TOTAL WALL THICKNESS
(SUBTRACT 3” IF USING THE
DV822 VINYL SIDING KIT)
½” AIR SPACE
CLEARANCE

Page 20 23114-0-0407
7. Remove outside mounting plate with tube attached from wall.
Mark and cut the extra length of the 6 5/8” (168mm) diameter
tube from the opposite end. Do not crimp or enlarge tube.
8. Attach the 4” (102mm) diameter flue outlet tube onto the rigid
venting system or directly to fireplace. Ensure the 4” (102mm)
diameter flue outlet tube is placed as far as possible onto the
rigid venting system. Mark the 4” (102mm) diameter flue outlet
tube 2 1/2” (64mm) beyond the vinyl siding kit or wall. See
Figure 32. Remove the 4” (102mm) diameter flue outlet tube
from rigid venting system. When installing directly to fireplace,
tape gasket needs to be used.
9. Mark or wrap tape completely around the tubes at the marked
points to help in making a true cut. Do not crimp or enlarge
tubes.
10. From outside: Push the 6 5/8” (168mm) diameter inlet tube/
mounting plate onto end of rigid venting system to correct posi-
tion. Fasten the outside mounting plate to the vinyl siding kit or
wall with (4) 10 x 1 1/2” screws. (Ensure upward slope).
11. From inside: Attach the inlet tube to the collar on the back of
the fireplace (or the rigid venting system) using (3) self tapping
screws.
12. Seal the 4” (102mm) diameter flue outlet tube. Follow instruc-
tions and diagram. See Figure 34.
13. Fasten 4” (102mm) diameter flue outlet tube in place. Do not
“twist” the flue outlet tube into the fireplace collar (or rigid
venting system). Hold the tube by the seam and push in using
a perpendicular “rocking” motion. This ensures the seam on the
tube stay intact.
14. Fasten vent cap end using (3) 10 x 1/2” screws to mounting
plate. Sealing 4” (102mm) Diameter Flue Outlet Tube
OUTSIDE WALL
MEASURE
VINYL SIDING KIT DV822
OUTSIDE MOUNTING
PLATE
Figure 32
Figure 33
1”
VENT CAP END
APPLY SEALANT
ON THE INSIDE
DO NOT PLACE
OVERLAPPED
SECTION OVER
THE SEAM IN THE TUBE
Figure 34
Note: Tape gasket to be applied prior to installing to fireplace flue outlet tube
only. Tape gasket should not be used when mating the flue outlet tube to a rigid
venting system.
DVVK-4RE VENT KIT INSTALLATION INSTRUCTIONS (continued)
EXT. WALL
SURFACE OR
VINYL SIDING KIT
FLUE
PIPE
CUT 2 ½” BEYOND
EXTERNAL WALL
SURFACE OR VINYL
SIDING KIT
.