Desa IRONHAUS IKC42N Series Quick start guide
For more information, visit www.desatech.com
WARNING: If the information in this manual is not
— WHAT TO DO IF YOU SMELL GAS
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NATURAL GAS MODELS IKC42N SERIES
DIRECT VENT FIREPLACE
OWNER’S OPERATION AND
INSTALLATION MANUAL
The Selway
www.ironhaus.com or www.desatech.com 121334-01A2
SAFETY
alteration, service or
maintenance can cause
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for correct installation
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additional information
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INTRODUCTION
Congratulations on your purchase of a
handcrafted Ironhaus Fireplace System and
Enclosure. The workmanship and quality of
your enclosure is among the highest avail-
able in the industry. Ironhaus enclosures
are not mass produced. Slight deviations in
nish are normal and characteristic of the
individual attention given to each piece. You
should be able to enjoy this feature for many
years to come.
Replacement screens or glass are easily
available. Contact your dealer, if applicable,
if your mesh screen or glass is damaged for
replacement. Thanks again for making an
Ironhaus Fireplace System and Enclosure
part of your beautiful home!
1. Inspect your enclosure and replace unit
for any damage. Contact your dealer and/
or shipper immediately if damaged and
document with photos, etc.
2. Remove glass or mesh door(s) from
the frame and set aside in a safe place
throughout the construction process
3. Reinstall the glass or mesh door(s)
4. Follow guidelines in this installation
manual. Further helpful information can
be found for framing dimensions and
other technical specications at either
www.desatech.com or www.ironhaus.com.
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stalled in an aftermarket,*
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TABLE OF CONTENTS
Introduction.......................................................... 2
Safety .................................................................. 2
Local Codes......................................................... 4
Product Identication........................................... 5
Product Features ................................................. 5
Pre-Installation Preparation ................................. 6
Location of Termination Cap................................ 8
Venting Installation .............................................. 9
Fireplace Installation.......................................... 19
Operation........................................................... 27
Inspecting Burners............................................. 30
Cleaning and Maintenance................................ 31
Troubleshooting................................................. 33
Specications .................................................... 37
Replacement Parts ............................................ 37
Service Hints ..................................................... 37
Technical Service............................................... 37
Parts .................................................................. 38
Accessories ....................................................... 42
Ironhaus Door Enclosure Limited Warranty....... 43
DESA Heating, LLC Warranty .............Back Cover
www.ironhaus.com or www.desatech.com121334-01A 3
State of Massachusetts:
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chemicals known to the State
of California to cause cancer or
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This replace must be installed by a qualied
(certied or licensed) service person. It has
a sealed gas combustion chamber that uses
a coaxial pipe (pipe within a pipe and having
the same center) venting system. It brings in
fresh air for combustion through the outer pipe
and combustion gases are exhausted through
the inner pipe. If the glass door assembly and
venting pipe are not properly seated, con-
nected and sealed, carbon monoxide leakage
(spillage) can occur.
Early signs of
carbon monoxide poisoning resemble the u,
with headaches, dizziness or nausea. If you
have these signs, the replace may not be
working properly. Have
replace serviced. Some people are more af-
fected by carbon monoxide than others. These
include pregnant women, people with heart or
lung disease or anemia, those under the inu-
ence of alcohol and those at high altitudes.
SAFETY
Continued
Natural and
propane/LP gas are odorless. An odor-making
agent is added to the gas. The odor helps you
detect a gas leak. However, the odor added to
the gas 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.
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WARNING: Do not use a
insert or other accessory not
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WARNING: Do not allow fans
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adults away from hot surface to
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dren when they are in the room
1. 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.
2. 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 neighbor’s phone. Follow the gas
supplier's instructions
• if you cannot reach you gas supplier,
call the re department.
SAFETY
Continued
3. Never install the replace
• in a recreational vehicle
• in windy or drafty areas where curtains
or other combustible (flammable)
objects can make contact with the
replace front
• in high trafc areas
4. Turn replace off and let cool before servic-
ing, installing or repairing. Only a qualied
service person should install, service or re-
pair this replace. Have replace inspected
annually by a qualied service person.
5. You must keep control compartments,
burners and circulating air passages clean.
More frequent cleaning may be needed due
to excessive lint and dust from carpeting,
bedding material, etc. Turn off the gas valve
and pilot light before cleaning replace.
6. Have venting system inspected annually by
a qualied service person. If needed, have
venting system cleaned or repaired. See
Cleaning and Maintenance, page 31.
7. Do not use any solid fuels (wood, coal,
paper, cardboard, etc.) in this replace.
Use only the gas type indicated on re-
place nameplate.
8. 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.
9. Do not use replace if any part has been
exposed to or under water. Immediately
call a qualied service person to arrange
for replacement of the unit.
10. Do not operate replace if any log is
broken.
11. Do not operate replace with glass door
removed, cracked or broken.
12. Provide adequate clearances around air
openings.
LOCAL CODES
Install and use replace with care. Follow all
local codes. In the absence to local codes,
use the current National Fuel Gas Code ANSI
Z223.1/NFPA 54* (USA) or the current CSA-
B149.1 Installation Code (Canada).
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
www.ironhaus.com or www.desatech.com121334-01A 5
PRODUCT IDENTIFICATION
Figure 1 - Direct-Vent Fireplace with Millivolt Ignition
PRODUCT FEATURES
These are a few facts that can help you under-
stand and enjoy your direct-vent replace:
• The venting system may be routed to the
outside of your home in several ways. It
may vent through the roof (vertical) or it
may vent to an outside/exterior wall (hori-
zontal). The vent pipe installation is very
important to allow for proper operation.
You must follow the venting instructions
very carefully for either vertical or horizontal
applications.
• This replace may be installed in any room
of your house provided all local codes and
these installation instructions are followed.
• This replace requires a wall switch, hand-
held remote or wall thermostat (millivolt) for
operation (see Accessories, page 42).
• This replace does not require electricity
to operate.
• Only the blower requires electricity if in-
stalled and if you plan to install the blower at
a later date, do not forget to wire the outlet at
the bottom of the replace when framing.
• A piezo ignitor and ceramic electrode cre-
ate spark to ignite the pilot light. It does not
require any matches, batteries or any other
sources of ignition to light the pilot.
• Each time you turn on your replace, you
may notice some amount of condensation
on the inside of the replace glass. This
is normal and will disappear after 10-20
minutes of operation.
• Your direct-vent gas fireplace system
(replace and venting) is a balanced and
sealed gas operating unit. It requires ap-
proximately 10-20 minutes of operating
time before the ame pattern stabilizes.
• Fireplaces with the sufx of -HA have been
designed to operate at altitudes of 4000
feet and above.
Glass Door
Assembly
Switch Bracket for Optional
Remote and Blower
Control Valve
with Piezo Ignitor
Log Set
Lava
Rock
Glowing
Embers
Upper Louver Panel
Lower
Louver
Panel Flue Collar
Nailing
Flange
Burner
Assembly
Andiron
Assembly
Door
Assembly
Door Frame
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Figure 2 - Common Fireplace Locations
Flush with a wall
Through exterior wall
enclosed in a chase
Corner
installation
Figure 3 - Fireplace Bottom Dimensions
D
RW
FW
23 1/4"
36 1/4"
48"
LOCATION AND SpACE
REqUIREMENTS
Determine the safest and most efcient loca-
tion for your Ironhaus direct-vent replace.
Make sure that rafters and wall studs are not
in the way of the venting system. Choose a
location where the heat output is not affected
by drafts, air conditioning ducts, windows or
doors. Figure 2 shows some common loca-
tions. Be aware of all restrictions and precau-
tions before deciding the exact location for
your replace and termination cap.
When deciding the location of your replace,
follow these rules:
• Do not connect this replace venting to a
chimney ue serving a separate solid-fuel
burning replace or appliance.
• Due to high temperatures, do not locate this
replace in high trafc areas, windy or drafty
areas or near furniture or draperies.
• Proper clearances must be maintained.
• If your replace is to be installed directly on
carpeting, vinyl tile or any combustible mate-
rial other than wood, it must be installed on a
metal or wood panel extending the full width
and depth of the replace. See Figure 3,
• Your replace is designed to be used in
zero clearance installations. Wall or framing
material can be placed directly against any
exterior surface on the back, sides or top of
your replace, except where standoff spacers
PRE-INSTALLATION PREPARATION
are integrally attached. If standoff spacers
are attached to your replace, these spacers
can be placed directly against wall or framing
material. See framing details on page 7.
• If you plan on installing a television or enter-
tainment center recessed above your re-
place, it is recommended that you maintain a
minimum 18" above top of louver opening.
• When locating termination cap, it is impor-
tant to observe the minimum clearances
shown in Figure 7, page 8.
• If recessing into a wall, you can avoid extra
framing by positioning your replace against
an already existing framing member.
• Do not recess termination cap into a wall
or siding.
• You may paint the termination cap with
450º F (232º C) heat-resistant paint to
coordinate with the exterior nish.
• There must not be any obstruction such
as bushes, garden sheds, fences, decks
or utility buildings within 24" from the front
of the termination cap.
• Do not locate termination cap where exces-
sive snow or ice build up may occur. Be sure
to clear vent termination area after snow falls
to prevent accidental blockage of venting
system. When using snow blowers, do not
direct snow towards vent termination area.
• For horizontal installations above 2,000
feet, it is recommended that a 12" extension
pipe be added before starter elbow and a
round horizontal termination be used (see
High Altitude Installation, page 17).
CLEARANCES
Minimum clearances to combustibles for the
replace are as follows:
*Back and sides 0"/cm
Perpendicular walls 6" (15 cm)
Floor 0"/cm
Ceiling to louver opening 42" (107 cm)
Front 36" (91 cm)
Top of Standoffs 0"/cm
Vent (See venting instructions
for specic venting clear-
ances.)
Combustible material with a maximum thick-
ness of 5/8" may be ush with the top front
of replace.
* For back and sides of replace, do not pack
with insulation or other materials. 0" clear-
ance to combustible materials are for framing
purpose only.
www.ironhaus.com or www.desatech.com121334-01A 7
A
B
E
F
G
H
DC
Nailing Tabs
Figure 4 - Framing Clearances for
Installation Against an Exterior Wall
40 1/8"
48 1/4"
23" Horizontal Vent
26 1/2" Vertical Vent
C
B
A
DE
FG
T o p of Louver
Opening
3
2
1
4
5
6
7
Wall
Figure 5 - Framing Clearances for Corner
Installation
Mantel
Mantel from
1 14" A 16"
2 12" B 14"
3 10" C 12"
4 8" D 10"
5 6" E 8"
6 4" F 6"
7 2" G 4"
Figure 6 - Clearances for Combustible
Mantels
48"
48 1/4"
41 5/8"
21 5/8"58 1/2"
16 3/4"
81 1/2"
13 1/2"
PRE-INSTALLATION PREPARATION
Continued
Nailing
Tabs
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FRAMING AND FINISHING
Figure 4 shows typical framing of this replace.
Figure 5, shows framing for corner installation.
All minimum clearances must be met.
For available accessories for this replace,
see Accessories on page 42. If you are using
a separate combustible mantel piece, refer to
Figure 6 for proper installation height. You can
install noncombustible mantels at any height
above the replace.
Note: Noncombustible mantels may discolor!
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Fixed
Closed OpenableFixed
Closed
V
V
V
V
VV
V
V
X
X
VX
G
G
J
F
B
B
K
N
H
I
A
N
E
L
D
B
M
A
C
B
V
V
A
G
G
B
TERMINATION CAP AIR SUPPLY INLET GAS METERRESTRICTED AREA
(TERMINATION PROHIBITED)
A = clearance above grade, veranda, porch, deck, or
balcony [*12" (30.5 cm) minimum]
B = clearance to window or door that may be opened
[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US
if between 10,000 and 50,000, 12" (30 cm) in Canada
if between 10,000 and 100,000; 12" (30 cm) in US if
greater than 50,000, 36" (91 cm) in Canada if greater
than 100,000]
C = clearance to permanently closed window
[minimum 12" (30.5 cm) recommended to prevent
condensation on window]
D = vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 24" (61 cm) from
the center-line of the terminal [18" (45.7 cm) minimum]
E = clearance to unventilated soffit [12" (30.5 cm) minimum]
F = clearance to outside corner (see below)
G = clearance to inside corner (see below)
H = *not to be installed above a meter/regulator assembly
within 36" (91.4 cm) horizontally from the center line
of the regulator
I = clearance to service regulator vent outlet [*72" (182.9 cm)
minimum]
J = clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other fireplace
[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US
if between 10,000 and 50,000, 12" (30 cm) in Canada
if between 10,000 and 100,000; 12" (30 cm) in US if
greater than 50,000, 36" (91 cm) in Canada if greater
than 100,000]
K = clearance to a mechanical air supply inlet [*In Canada,
6 ft. (1.83m) minimum; In US 3 ft. (91 cm) above if within
10 ft. (3 m) horizontally]
L = † clearance above paved side-walk or a paved driveway
located on public property [*84" (213.3 cm) minimum]
M = clearance under veranda, porch, deck
[*12" (30.5 cm) minimum ‡]
N = clearance above a roof shall extend a minimum of
24" (61 cm) above the highest point when it passes
through the roof surface and any other obstruction within
a horizontal distance of 18" (45.7 cm)
† vent shall not terminate directly above a side-walk or paved driveway which is located between two
single family dwellings and serves both dwellings*
‡ only permitted if veranda, porch, deck or balconey is fully open on a minimum of 2 sides beneath the floor*
* as specified in CAN/CSA B149 (.1 or .2) Installation Codes (1991) for Canada and U.S.A.
Note: Local codes or regulations may require different clearances
A = 6" (15.2 cm)
Inside Corner
V
B
E
V
B = 6" (15.2 cm)
C = Maximum depth of 48" (121.9 cm)
for recessed location
D = Minimum width for back wall of
recessed location -
Combustible - 38" (965 mm)
Noncombustible - 24" (61 cm)
E = Clearance from corner in
recessed location-
Combustible - 6" (15.2 cm)
Noncombustible - 2" (5.1 cm)
Outside Corner Recessed Location
G
H
G = 12" (30.5 cm) minimum clearance
Balcony with No Side Wall
V
J
Combustible &
Noncombustible
H = 24" (61 cm)
J = 20" (50.8 cm)
Balcony with Perpendicular Side Wall
C
D
C
Termination Clearances for Buildings with Combustible and Noncombustible Exteriors
Openable
Figure 7 - Minimum Clearances for Termination Cap
LOCATION OF TERMINATION CAP
www.ironhaus.com or www.desatech.com121334-01A 9
VENTING INSTALLATION
NOTICE:Failure to follow these in-
NOTICE: Do not seal termination
INSTALLATION pRECAUTIONS
• Wear gloves and safety glasses for pro-
tection.
• Use extreme caution when using ladders
or when on roof tops.
• Be aware of electrical wiring locations in
walls and ceilings.
The following actions will void the warranty
on your venting system:
• Installation of any damaged venting com-
ponent.
• Unauthorized modication of the venting sys-
tem (Do not cut or alter vent components).
• Installation of any component part not
manufactured or approved by DESA Heat-
ing, LLC.
• Installation other than as instructed by
these instructions.
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on the horizontal sections,
NOTICE: Read these instruc-
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These models are tested and approved for
use with DESAHeating, LLC (direct-vent) pipe
components and terminations.
The venting system must terminate on the out-
side of the structure and can not be attached
to a chimney or ue system serving a separate
solid fuel or gas burning appliance.A direct-vent
appliance must have its own venting system.
DO NOT common vent this appliance.
These models are approved to be vented
either horizontally through an outside wall or
vertically through a roof or chase enclosure
using the following guidelines:
• When venting system terminates horizon-
tally on an outside wall, you may install
a standoff if the termination cap is to be
installed directly on a combustible nish
such as vinyl, wood, stucco, etc.
• Never run the vent downward as this may
cause excessive temperatures which could
cause a re.
• Vent pipe air space clearances to com-
bustibles are 1" on all sides except on the
horizontal sections, which requires 2" clear-
ance from the top of the pipe. Where the
termination cap penetrates a combustible
wall, 1" air space clearance is required.
• Snorkel terminations are required when
minimum clearance to grade cannot be
met (see Figure 16 on page 13).
• Have replace and selected vent compo-
nents on hand to help determine the exact
measurements when elbowing or offsetting.
Always use wall restops when penetrating
walls and restops when penetrating ceil-
ings or attic spaces.
• If using a venting conguration of only
horizontal venting with no vertical run, a
1/4" rise for every 12" of run toward the
termination is required.
• For installation of replace at elevations of
4000 feet or greater, pay special attention
to venting requirement recommendations.
WARNING:Readallinstructions
www.ironhaus.com or www.desatech.com 121334-01A10
INSTALLATION pLANNING
There are two basic types of direct-vent
installation:
• Horizontal Termination
• Vertical Termination
Horizontal Termination Installation
IMPORTANT: Horizontal square terminations
require only inner portion of wall restop. Hori-
zontal installations using round termination
require exterior portion of wall restop (see
Figure 14, page 12).
1. Set replace in its desired location and
determine route your horizontal venting
will take. Do not secure replace until all
venting has been installed. Some instal-
lations require sliding replace in and out
of position to make nal venting connec-
tions. Figures 14 through 18 on pages 12
through 14 show different congurations
for venting with horizontal termination that
will help you decide which application best
suits your installation. Check to see if wall
studs or roof rafters are in the path of your
desired venting route. If they are, you may
want to adjust location of replace.
2. Direct vent pipe sections and components
are designed with special twist-lock con-
nections.
Twist-Lock procedure: Female ends of
pipes have locking lugs (indentations).
These lugs will slide straight into match-
ing slots on male ends of adjacent pipes.
Push pipe sections together and twist
one section clockwise approximately
one-quarter turn until the sections are fully
locked (see Figure 8).
Note: Horizontal runs of vent must be sup-
ported every three feet. Use wall straps
for this purpose.
3. Use a 45° elbow to connect venting sys-
tem to replace ue collar. The elbow is
designed to be twist-locked onto ue collar
as described in step 2. IMPORTANT: Do
not attempt to alter conguration of elbow
by cutting, twisting, bending, etc.
4. Assemble desired combination of pipe
and elbows to replace ue collar. If there
are long portions of venting run, pre-
assembled pipe sections may be installed
as subassemblies for convenience.
VENTING INSTALLATION
Continued
Figure 8 - Vent Pipe Connections
(Framing
Detail)
11 1/2"
11 1/2" Inside Framing
11 1/2"
8 1/2"
Vent
O
pening
Combustible Wall
Vent Opening
Noncombustible Wall
Figure 9 - Vent Opening Requirements
Center of
Hole
5. Carefully determine location where vent
pipe assembly will penetrate outside
wall. Center of hole should line up with
center line of horizontal vent pipe. Mark
wall for a 11 1/2" x 11 1/2" square hole.
Cut and frame square hole in exterior
wall where vent will be terminated. If wall
being penetrated is constructed of non-
combustible material, such as masonry
block or concrete, a 8 1/2" hole with zero
clearance is acceptable (see Figure 9).
Female Locking Lugs
Male
Slots
www.ironhaus.com or www.desatech.com121334-01A 11
VENTING INSTALLATION
Continued
WARNING: Do not recess
6. Position
horizontal vent cap in center of 8 1/2" round
hole and attach to exterior wall with four
wood screws provided. Before attaching
vent cap to exterior wall, run a bead of
non-hardening mastic (pliable sealant)
around outside edges to make a seal
between it and outside wall.
Note: Four wood screws provided should
be replaced with appropriate fasteners for
stucco, brick, concrete or other types of
sidings.
For vinyl
siding, stucco or wood exteriors, a siding
standoff may be installed between vent
cap and exterior wall. Siding standoff
prevents excessive heat from damaging
siding materials. Siding material must be
cut to accommodate standoff. Bolt vent
cap to standoff. Apply non-hardening
mastic around outside edge of standoff.
Position standoff/cap assembly in center
of 11 1/2" square hole and attach to exte-
rior wall with wood screws provided (see
Figure 11). Siding standoff must sit ush
against exterior fascia material.
7.
Slide wall restop over vent
pipe before connecting horizontal run to
vent cap (see Figure 12).
Carefully move replace, with vent as-
sembly attached, toward wall and insert
vent pipe into horizontal termination. Pipe
overlap should be a minimum of 11/4" (see
Figure 13, page 12).
Slide wall restop against interior wall
surface and attach with screws provided.
See Figure 13, page 12, for horizontal
termination details.
Place replace into position and shim with
noncombustible material if needed. Nail or
screw side anges to framing to secure
unit in place. IMPORTANT: Make sure re-
place is level before securing. If replace
is not level it will not work properly.
Figure 10 - Installing Horizontal Vent Cap
(Noncombustible Exterior)
Wood Screw
Vent Cap
Figure 11 - Installing Siding Standoff
(Combustible Exterior Wall)
Cut Siding Away to
Fit Standoff
Wood
Screw
Screws
Standoff
Vent
Cap
Apply Mastic to
All Four Sides
Vent Cap
(Horizontal
Termination)
Interior Wall
Surface
Wall
Firestop
Horizontal
Vent Pipe
Figure 12 - Connecting Vent Cap with
Horizontal Vent Pipe
Screw
Apply
Mastic to All
Four Sides
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VENTING INSTALLATION
Continued
Figure 13 - Typical Horizontal
Termination Cap Mounting with
Additional Siding Standoff Installed
Siding Standoff
Screws
High Wind
Termination
Apply
Mastic to
Outside
Edge of
Standoff
Exterior Wall with Vinyl Siding
11 1/2" x 11 1/2"
Framed Opening
Maintain 1"
Minimum Air
Space Around
Outer Pipe When
Penetrating a Wall
Minimum Pipe
Overlap 1 1/4"
Wall
Firestop
Direct-Vent
Pipe
Figures 14 through 18 show different con-
gurations and alternatives for venting with
horizontal termination. Each gure includes
a chart with critical minimum and maximum
dimensions which MUST be met. IMPOR-
TANT: If using a venting conguration of only
horizontal venting with no vertical run, a 1/4"
rise for every 12" of run toward the termina-
tion is required.
NOTICE: Do not seal termination
WARNING: Never run vent
downward as this may cause
-
GROUND FLOOR INSTALLATION
Recommended Applications:
• Installation using cabinet surrounds
• Through the wall using round or square
termination (up to 12" adjustable pipe)
• NOT FOR CORNER INSTALLATION
Horizontal
High Wind
Square
Termination
Wall Firestop
45° Elbow
Figure 14 - Horizontal Termination
Conguration for Square or Round
Terminations
45° Elbow
Wall
Firestop
Horizontal
Round
Termination
Exterior
Portion
of Wall
Firestop
(Round
Termination
Only)
Adjustable
Pipe 12" Max.
Round
Termination
* If installing this replace at altitudes of 4000
feet and above, it is recommended that an
additional vertical height of 6" be added to
the vent system.
32 3/4" min. 17" max.
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CORNER INSTALLATION
Recommended Applications:
• Corner ground oor installation
• Ground oor installation where pipe vents
horizontally through wall (over 12" horizon-
tal pipe)
• Basement installation where one foot clear-
ance from ground to termination is possible
VENTING INSTALLATION
Continued
Figure 15 - Horizontal Termination Conguration for Corner Installation Using One
90° Elbow
Square
Termination
Wall
Firestop
Not to Exceed (H) Limits
As Required
for (V), See
Chart for
Pipe Section
Required
45° Elbow
90° Elbow
90° Elbow
Square
Termination
Wall
Firestop
45° Elbow
12" Min.
Not to Exceed
(H) Limits
Recommended Applications:
• Installations requiring a vertical rise on building exterior
• Any installation using snorkel termination to achieve one foot above ground
Snorkel terminations are available for installations requiring a vertical rise on the exterior of
the building. If installing snorkel termination below grade, you must provide proper drainage
to prevent water from entering snorkel termination (see Figure 16). Do not back ll around
snorkel termination.
Snorkel Termination
12"
Min.
Snorkel Termination
Wall
Firestop
90° Elbow
45° Elbow
Figure 16 - Snorkel Termination Congurations for Below Ground Installation
Snorkel Termination
Adequate
Drainage
12" Min.
12" Min.
*43 1/2" min. None 30" max.
54 1/2" min. 1 ft. 48" max.
66 1/2" min. 2 ft. 60" max.
78 1/2" min. 3 ft. 84" max.
90 1/2" min. 4 ft. 20' max.
* Ground Floor Corner Venting
www.ironhaus.com or www.desatech.com 121334-01A14
VENTING INSTALLATION
Continued
Figure 17 - Horizontal Termination Conguration for Venting Using Two 90° Elbows
45° Elbow
HORIZONTAL SYSTEM INSTALLATION USING TWO 90° ELBOWS
The following congurations show the minimum vertical rise requirements
for a horizontal system using two 90° elbows.
Figure 18 - Horizontal Termination Conguration for Venting Using Two 90° Elbows
with Termination at 90° with Fireplace
45° Elbow
Horizontal (H
Horizontal (H
Horizontal (H
5' min. 2' max. 6' max.
6' min. 4' max. 12' max.
7' min. 6' max. 18' max.
8' min. 8' max. 20' max.
20' max. 8' max. 20' max.
Horizontal (H
Horizontal (H
5' min. 6' max.
6' min. 12' max.
7' min. 18' max.
8' min. 20' max.
20' max. 20' max.
www.ironhaus.com or www.desatech.com121334-01A 15
TERMINATION
Note: Vertical restrictor must be installed in
all vertical installations.
1. Determine route your vertical venting
will take. If ceiling joists, roof rafters or
other framing will obstruct venting system,
consider an offset (see Figure 19) to avoid
cutting load bearing members.
Note: Pay special attention to these instal-
lation instructions for required clearances
(air space) to combustibles when passing
through ceilings, walls, roofs, enclosures,
attic rafters, etc. Do not pack air spaces
with insulation. Also note maximum
vertical rise of venting system and any
maximum horizontal offset limitations.
2. Set replace in desired location. Drop a
plumb line down from ceiling to position
of replace exit ue. Mark center point
where vent will penetrate ceiling. Drill a
small locating hole at this point.
Drop a plumb line from inside of roof to
locating hole in ceiling. Mark center point
where vent will penetrate roof. Drill a small
locating hole at this point.
1.
Cut a 11
1
/
2
" square hole in ceiling using
locating hole as a center point. Opening
should be framed to 11
1
/
2
" x 11
1
/
2
" inside
dimensions, as shown in Figure 9 on page
10 using framing lumber the same size as
ceiling joists. If area above ceiling is an
insulated ceiling or an attic, nail restop
from top side. This prevents loose insula-
tion from falling into required clearance
space. If area above ceiling is a living
space, install restop below framed hole.
Firestop should be installed with no less
than three nails per side (see Figure 20).
2. Assemble the desired lengths of pipe and
elbows necessary to reach from replace
ue up through restop. Be sure all pipe
and elbow connections are fully twist-
locked (see Figure 8, page 10).
3. Cut a hole in roof using locating hole as
a center point. (Cover any exposed open
vent pipes before cutting hole in roof.) The
11 1/2" x 11 1/2" hole must be measured
on the horizontal; actual length may be
larger depending on pitch of roof. There
must be a 1" clearance from vent pipe to
combustible materials. Frame opening as
shown in Figure 9, page 10.
4. Connect a section of pipe and extend up
through hole.
Note: If an offset is needed to avoid
obstructions, you must support vent pipe
every 3 feet. Use wall straps for this pur-
pose (see Figure 19). Whenever possible,
use 45° elbows instead of 90° elbows. A
45° elbow offers less restriction to the ow
of ue gases and intake air.
VENTING INSTALLATION
Continued
Figure 19 - Offset with Wall Strap and 45°
Elbows
45° Elbow
Wall Strap
Roof Flashing
Ceiling Firestop
Figure 20 - Installing Firestop
If area above is a living space, install
restop below framed hole.
If area above is an attic or insulated area,
install restop above framed hole.
www.ironhaus.com or www.desatech.com 121334-01A16
5. Place ashing over pipe section(s) ex-
tending through roof. Secure base of
ashing to roof and framing with roong
nails. Be sure roong material overlaps
top edge of ashing as shown in Figure
19, page 15. There must be a 1" clearance
from vent pipe to combustible materials.
6. Continue to add pipe sections until height
of vent cap meets the minimum building
code requirements described in Figure 7
on page 8.
Note: You must increase vent height for
steep roof pitches. Nearby trees, adjoining
rooines, steep pitched roofs and other
VENTING INSTALLATION
Continued
Figure 21 - Vertical Venting
Conguration Using Two 90° Elbows
with Two Horizontal Runs (Vertical
Round High Wind Termination Shown)
45° Elbow
Figure 22 - Vertical Venting
Conguration Using One 90° Elbow
(Vertical Round High Wind Termination
Shown)
45° Elbow
Horizontal (H
Horizontal (H
5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Note: Install restrictor
into inner collar of
replace as shown.
5' min. 2' max.
6' min. 4' max.
7' min. 6' max.
8' min. 8' max.
20' max. 8' max.
Note: Install restrictor into
inner collar of replace as
shown.
similar factors may cause poor draft or
down-drafting in high winds. Increasing
vent height may solve this problem.
7. Twist-lock vent cap onto last section of
vent pipe.
Note: If vent pipe passes through any occu-
pied areas above rst oor, including storage
spaces and closets, you must enclose pipe.
You may frame and sheetrock enclosure with
standard construction material. Make sure
and meet minimum allowable clearances
to combustibles. Do not ll any required air
spaces with insulation.
Figures 21 through 24 show four different
congurations for vertical termination.
www.ironhaus.com or www.desatech.com121334-01A 17
VENTING INSTALLATION
Continued
Note: Install
restrictor into
inner collar of
replace as
shown.
Note: Vertical (V1) + Vertical (V2) = 40' max.
Figure 23 - Vertical Venting
Conguration Using Two 90° Elbows
(Vertical Round High Wind Termination
Shown)
45° Elbow
V = 40' max.
Figure 24 - Vertical Venting Conguration
With No Horizontal Run (Vertical Round
High Wind Termination Shown)
Note: Install
restrictor into
inner collar of
replace as
shown.
45° Elbow
HIGH ALTITUDE INSTALLATION
Your Ironhaus direct-vent replace has been
tested and approved for elevations from
0-2000 feet (USA) and elevations from 0-4500
feet (Canada).
Fireplaces for High Altitude (models ending
in -HA) are for installation above 4000 feet
only. These replaces are equipped with parts
specic for higher altitudes.
When installing a non-high altitude replace
at an elevation above 2000 feet (in the USA),
you may need to decrease the input rating
5' min. 6' max.
6' min. 12' max.
7' min. 18' max.
8' min. 20' max.
by changing the existing burner orice to
a smaller size. Reduce input 4% for each
1000 feet above sea level. Check with your
local gas company for proper orice size
identication.
When installing this replace at an elevation
above 4500 feet (in Canada), check with local
authorities.
IMPORTANT: For horizontal installations
www.ironhaus.com or www.desatech.com 121334-01A18
AND COMpONENTS
P58-6 6" Section Double Wall Pipe,
Galvanized
P58-12 12" Section Double Wall Pipe,
Galvanized
P58-24 24" Section Double Wall Pipe,
Galvanized
P58-36 36" Section Double Wall Pipe,
Galvanized
P58-48 48" Section Double Wall Pipe,
Galvanized
PA58-712 Adjustable 7"-12" Section Double
Wall Pipe, Galvanized
E58-45 45° Elbow, Galvanized
E58-90 90° Elbow, Galvanized
VKG-58 Ground Floor Vent Kit, Galvanized
(Includes: 45° Elbow, 7"-12"
Adjustable Pipe, Wall Firestop,
Horizontal Square Termination,
16 Screws)
VKB-58 Basement Vent Kit, Galvanized
(Includes: 45° Elbow, 7"-12"
Adjustable Pipe, Wall Firestop,
Horizontal Square Termination,
4' Pipe, 90° Elbow, 20 Screws)
VKS-58 Snorkel Vent Kit, Galvanized
(Includes: 45° Elbow, 7"-12"
Adjustable Pipe, Wall Firestop,
36" Snorkel Termination, 4' Pipe,
1' Pipe, 90° Elbow, 26 Screws)
VENTING INSTALLATION
Continued
VKR-58 Roof Vent Kit, Galvanized
(Includes: 45° Elbow, 7"-12"
Adjustable Pipe, Flue Restrictor,
Vertical High Wind Termination,
2' Pipe, 4' Pipe, Wall Firestop,
Storm Collar, Roof Flashing
[0/12 - 6/12], 26 Screws)
VKC-58 Corner Vent Kit, Galvanized
(Includes 45° Elbow, 7"-12"
Adjustable Pipe, Wall Firestop,
Horizontal Termination, 6" Pipe,
90° Elbow, 18 Screws)
HHTK-58 High Wind Round Horizontal
Termination Kit (Includes Round
Termination, Wall Firestop, 45°
Elbow)
HHT-58 High Wind Round Horizontal
Termination Kit, Galvanized
HTS-58 Horizontal Square Termination,
Galvanized
HTKS-58 Horizontal Square Termination Kit
(Includes: Square Termination,
Wall Firestop, 45° Elbow)
VT-58 Vertical Round Termination,
Galvanized
ST-58-14 14" Snorkel Termination,
Galvanized
ST-58-36 36" Snorkel Termination,
Galvanized
SC-58 Storm Collar, Galvanized
WF-58 Wall Firestop, Galvanized
RF-58-6 Roof Flashing - 0 to 6/12 Pitch,
Galvanized
RF-58-12 Roof Flashing - 6/12 to 12/12 Pitch,
Galvanized
VR-58 Vertical Restrictor, Galvanized
S-58 Vinyl Siding Standoff, Galvanized
WS-58 Wall Strap
CS-58 Cathedral Ceiling Support
FP-58 Firestop Plate
SF-58 Stucco Flashing - For use with
HTS-58
RF-58 Flat Roof Flashing
PF58-927 Flex Pipe Section 9" to 24"
PF58-1236
Flex Pipe Section 12" to 36"
PF58-1854
Flex Pipe Section 18" to 54"
VKF58-927
Flex Kit (Includes Flex Pipel Sec-
tion 9" to 27", Wall Firestop and
Horizontal Square Termination)
Figure 25 - Recommended 12" Extension
for High Altitude Installation
45° Starter
Elbow
12"
Extension
www.ironhaus.com or www.desatech.com121334-01A 19
FIREPLACE
INSTALLATION
Use proper gas type for the replace unit you
are installing. If you have conicting gas types,
do not install replace. See retailer where you
purchased the replace for proper replace
according to your gas type or to purchase gas
conversion kit (see Accessories, page 42).
INSTALLING OpTIONAL BLOWER
ACCESSORIES
-
electrical outlet installed in the
to do this may result in serious
Follow all instructions provided in blower
accessory kit.
1. Attach power cord to blower motor by
rmly pushing two female terminals at end
of power cord onto two spade terminals
on blower motor (see Figure 26).
2. Attach green ground wire from power
cord to blower housing using screw pro-
vided (see Figure 26). Tighten screws
securely.
3. Place blower against lower rear wall of
rebox outer wrapper with exhaust port
directed upward. Blower will t inside back
opening and be held in position against
back wall by magnets (see Figure 26).
4. Be certain that all wire terminals are
securely attached to terminals on blower
motor and that screw retaining green
ground wire is tight.
Blower Location
Side View
Figure 26 - Blower Model BK
Magnetic
Strips
Exhaust Port
Screw
Green
Ground
Wire
Spade
Terminals
Lower Firebox
Cavity
5. Mount speed control box to switch bracket
by placing plastic control shaft forward
through round opening in switch bracket
(see Figure 27).
6. While supporting speed control, secure
control shaft with lock nut by pushing
and turning lock nut with pliers clockwise
until it is tight against front panel. Place
provided control knob on shaft.
7. Turn on power to duplex outlet if previously
turned off per warning in column 1.
8. Plug in blower power cord.
a. If your rebox is installed as a free-
standing unit with an accessory mantel,
determine whether power cord will exit
left side or right side of rebox. Route
power cord through exit hole and plug
power cord into a wall receptacle near
rebox.
b. If your rebox installation is recessed
and/or pre-wired, plug power cord into
duplex outlet provided. Refer to your
rebox owner’s manual for instructions
on wiring duplex outlet.
Figure 27 - Attaching Speed Control to
Firebox
Speed Control Control Shaft
Locknut
Control
Knob
Switch
Bracket
Blower
Plug-In
Duplex Outlet (Located
beneath rebox oor
against lower right
outside wall)
www.ironhaus.com or www.desatech.com 121334-01A20
CAUTION: Never touch the
9. Check to make sure that power cord is
completely clear of blower wheel and
that there are no foreign objects in blower
wheel. Turn blower on and check for op-
eration. Turn blower off by turning knob
fully counterclockwise before continuing.
10. Peel off backing paper and stick supplied
wiring diagram decal on rebox bottom
approximately 12" in front of blower (see
Figure 28).
Figure 28 - Location of Wiring Diagram
Decal (Model May Vary From Illustration)
Wiring Diagram Decal
12" in Front of Blower
FIREPLACE INSTALLATION
Continued
Note: When installing BKT thermostatically-
controlled blower, you must first secure
thermal switch bracket to blower if it has not
already been factory installed.
1. Place green ground wire with ring ter-
minal between bottom hole on thermal
switch bracket and top ear hole on blower
assembly. Insert Phillips screw into all
three pieces and tighten securely (see
Figure 29).
2. Connect wire harness and power cord
terminals. Connect blue jumper wire to
blower motor terminal and right side termi-
nal of thermal switch. Connect black wire
to left side of thermal switch and white
wire to other remaining blower motor
terminal.
Note: Power cord outer insulation sleeve may
have to be stripped slightly to allow enough
wire length to reach and make all connec-
tions. DO NOT trim excessive length away.
Enable just enough to make all connections
securely.
3. Place blower against lower rear wall of
rebox outer wrapper with exhaust port di-
rected upward and thermodisc positioned
up near fireplace bottom. Thermodisc
must be oriented near replace bottom
as shown in Figure 29 in order to sense
temperature and properly operate. Blower
will be held in position against back wall
by magnets incorporated onto blower
housing (see Figure 29).
4. Be certain that all wire terminals are
securely attached to terminals on blower
motor and thermal switch and that screw
for thermodisc bracket and green ground
wire is tight.
5. Mount speed control box against mounting
plate provided in lower replace cavity by
placing plastic control shaft forward through
round hole (see Figure 27, page 19).
6. While supporting speed control, secure
control shaft with lock nut by pushing and
turning lock nut with pliers clockwise until
it is tight against mounting plate. Place
provided control knob on shaft (see Figure
27, page 19).
Thermodisc
Figure 29 - Blower Model BKT
Air Flow
Direction
Route BKT Blower
Through This Area Magnets
Blower
Location
Side View Firebox Bottom
Black
Wire
Phillips
Screw
Blue Wire
Ring Terminal
on Green Wire
White Wire
Thermal
Switch
Thermal
Switch
Bracket
Power Cord
Air Flow
Direction
Magnetic
Strips
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