Legend 738BXN (NG) Manual
Legend
4001379-06
©2010, Miles Industries Ltd.
Manufactured by
British Columbia, Canada
www.valorreplaces.com
WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
WARNING
!
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
WARNING
!
For purchasing a Valor by Miles Industries. Your new radiant gas heater is a technical
appliance that must be installed by a qualied dealer. Each Valor replace is fully
tested during the production process for your safety and comfort.
Your unit has been professionally installed by:
Dealer Name _______________________________________
Phone Number ______________________________________
.
The information contained in this installation manual is believed to be correct at
the time of printing. Miles Industries Ltd. reserves the right to change or modify any
information or specications without notice. Miles Industries Ltd. grants no warranty,
implied or stated, for the installation or maintenance of your heater, and assumes no
responsibility for any consequential damage(s).
Do not put
furniture or other objects
in this space in front of
the replace:
36” (0.9 m)
Fireplace
Hearth
2
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Table of Content
3
Safety and Warning Information
Children and adults should be to the hazards
of high surface temperature and should to
avoid burns or clothing ignition.
should be
when they are in the same room as
the appliance. Toddlers, young children and others
may be susceptible to
. A physical barrier is recommended if there
are at risk individuals in the house. To restrict access
to a replace or stove,
to keep toddlers, young children and
other at risk individuals out of the room and away from
hot surfaces.
place furniture or any other combustible
household objects within 36” of the replace front.
and all instructions carefully
before starting the installation.
these installation instructions may result in possible re
hazard and will void the warranty.
Prior to the rst ring of the replace, the
Owner’s Information section of this manual.
this appliance if any part has been under
water. Immediately, a qualied service technician
to inspect the unit and to replace any part of the control
system and any gas control that has been under water.
Installation and repair should be by a
qualied service person. The appliance and venting
system should be before initial use and at
least annually by a professional service person. More
frequent cleaning may be required due to excessive
lint from carpeting, bedding, etc. It is that
the unit’s control compartment, burner, and circulating
air passageways to provide for
adequate combustion and ventilation air.
Always the appliance clear and free from
combustible materials, gasoline, and other ammable
vapors and liquids.
the ow of combustion and
ventilation air. Keep the front of the appliance
of all obstacles and materials for servicing and proper
operation.
Due to the high temperature, the appliance should be
out of trafc areas and away from furniture
and draperies. Clothing or ammable material
on or near the appliance.
This unit MUST be used with a vent system as
described in this installation manual. vent
system or components .
This gas replace and vent assembly be vented
directly to the outside and be attached
to a chimney serving a separate solid fuel burning
appliance. Each gas appliance a separate
vent system. Common vent systems are .
the external vent cap on a regular basis to
make sure that no debris, plants, trees, shrubs are
interfering with the air ow.
The glass door assembly be in place and sealed
before the unit can be placed into safe operation.
this appliance with the glass door
removed, cracked, or broken. Replacement of the glass
door should be performed by a licensed or qualied
service person. strike or slam the glass door.
The glass door assembly be replaced
as a complete unit, as supplied by the replace
manufacturer. material may be used.
abrasive cleaners on the glass door
assembly. to clean the glass door
when it is hot.
the gas before servicing this appliance.
It is recommended that a qualied service technician
perform an appliance check-up at the beginning of each
heating season.
Any safety screen or guard removed for servicing
before operating this appliance.
not to put any decorating objects
sensitive to heat to close above or around the replace
as it gets very hot when operating.
use this heater as a temporary source of heat
during construction.
This appliance is a
. It must not be used for any other purposes
such as drying clothes, etc.
Fuels
used in gas, wood-burning or oil red appliances,
and the products of combustion of such fuels, contain
chemicals known to the State of California to cause
cancer, birth defects and other reproductive harm.
California Health & Safety Code Sec. 25249.6.
4
Safety and Warning Information
Natural Propane
0-4,500 feet*
24,000 24,000
6,500 13,000
3.95 9.5
5.0 11.0
10.5 14.0
82-650 92-260
35 27
Min. Rate By-Pass Screw 125 125
Specications
This appliance is certied to ANSI Z21.88-2009 / CSA
2.33-2009 American National Standard / CSA Standard
for Vented Gas Fireplace Heaters for use in Canada
and USA, and to CGA 2.17-91 High Altitude Standard
in Canada. This appliance is for gravity vent insert
installations.
This appliance complies with CSA P4.1-09 Testing
method for measuring annual replace efciencies.
The installation must conform to local codes or, in the
absence of local codes, with the National Fuel Gas
Code, ANSI Z223.1 or the Natural Gas and Propane
Installation Code CAN/CGA-B149. Only qualied
licensed or trained personnel should install this
appliance.
This appliance 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.
Input ratings are shown in BTU per hour and are
certied without deration for elevations up to 4,500 feet
(1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA,
installations must be in accordance with the current
ANSI Z223.1 and/or local codes having jurisdiction.
Heating value of gas in some areas is reduced to
compensate for elevation—consult your local gas utility
to conrm.
For installations at elevations above 4,500 feet (1,370
m) in Canada, please consult provincial and/or local
authorities having jurisdiction.
Heater engine 738BXN is used with natural gas.
Heater engine 738BXP is used with propane gas.
The supply pressure must be between the limits shown
in the Ratings section above.
The supply connection is 3/8” NPT female and located
on the left hand side of the control valve. The gas line
entry point is on the left hand side on the replace.
The 738BX Legend G3 is supplied as natural gas or
propane gas and is eld convertible between fuels. See
instructions packaged with the conversion kit for further
information.
The 738 does not require an electrical power source to
operate as a heater.
When operating your new replace for the rst time,
some vapors may be released due to the burning of
curing compounds used in the manufacture of the
appliance. They may cause a slight odor and could
cause the ames to be the full height of the rebox, or
even slightly higher, for the rst few hours of operation.
It is also possible that these vapors could set off any
smoke detection alarms in the immediate vicinity.
These vapors are quite normal on new appliances. We
recommend opening a window to vent the room. After
a few hours use, the vapors will have disappeared and
the ames will be at their normal height.
5
Overview
6
28-5/8” (727 mm)
19-1/2” (495 mm)
12” (305 mm)
or 12-5/8” (321 mm)
Varies with
outer trim options
7-7/8” (200 mm)
or 8-1/2” (216 mm)
Varies with
outer trim options
20”
(508 mm)
Gas inlet Gas connection
Optional Outer Trim or
Surround sold separately
X
Y
Dimensions
Cavity
Check that masonry step does not interfere with install dimensions or
vent pipe.
If mantel is combustible, see section Clearances for allowable
clearances.
Minimum width of replace opening at front: 28” (711 mm)
X = 12” (305 mm) or 12-5/8” (321 mm)—varies with outer trim options
Y = 20” (508 mm)
7
9” (229 mm)
A
B
Do not put
furniture or
objects within
36” (914 mm)
of the front of
appliance
*Measure taken from the underside of the mantel to nished hearth
or surface that the unit is sitting on.
Material such as wood,
compressed paper, plant bers, plastics or any material
capable of igniting and burning, whether ame-proofed or
not, plastered or un-plastered.
Material such as steel, iron
brick, tile, concrete or materials that bear the UL mark for
zero (0) re rating.
distance from side of appliance (liner box) to
combustible wall: 9” (229 mm).
1”
(25 mm)
4”
(101 mm)
8”
(203 mm)
14”
(355 mm)
28”
(711 mm)
32”
(813 mm)
35”
(889 mm)
38”
(965 mm)
sidewall
8
Clearances
Approved Termination Required
Max. 36” offset at 10’-0” min. vertical
3” Liner
3” min. Bend
Radius
Min. 10 feet (with offset)
Min. 8 feet (without offset)
Minimum Vent Liner Radius
Allowable Vent Configurations
Minimum vent lengths.
For other allowable configurations,
refer to the venting tables in the
National Fuel Gas Code Z223.1 or the
Natural Gas or Propane Installation
Code B149.1.
Terminal Cap
Flashing
1 x 3” ex liner
The vent terminal must be located through the roof. This gravity
vent appliance is designed to opreate when an undistrubed
airow hits the outside vent terminal from any direction.
Check local codes for allowable vertical vent termination.
Use a 3” diameter aluminum ex liner approved for gas
venting when installed as an insert (existing chimney). Use a
4” diameter type “B” vent when installed with a 770ZCK Zero
Clearance Kit (see separate instructions packaged with the kit
for details).
Where possible, avoid joining ex pipe. If joints are required,
use a approved connector and seal joints with RTV high temp
sealant.
Horizontal offsets are permissible to allow for routing around
masonry projections. Avoid bending ex pipe over a 45 degrees
radius where possible.
9
Venting
Installation Planning
2. Unpack the appliance.
3. Check that you have everything.
4. Clean cavity, chimney, ash dumps, clean-outs.
5. Install venting pipe.
6. Attach conversion plate to existing replace.
7. Fit appliance into cavity.
8. Connect and test gas supply.
9. Install the remote control system.
10. Install bricks and logs.
11. Ret window.
12. Verify operation and adjust aeration settings.
Existing Fireplace Preparation
A few points must be considered before inserting the
738BX into an existing replace cavity. Generally, no
modications are allowed to the existing replace that
will compromise the integrity of the existing replace.
Components that are bolted or screwed on such as
dampers or bafes may be removed to accommodate
the installation of the 738BX engine.
. Check with local authorities if in doubt.
Have the chimney swept and the replace cavity
including ash dumps and clean-outs cleaned before
installing the 738BX heater and vent liners. Any
creosote or soot residue remaining in the replace
cavity chimney or clean-out may cause odors or
stains once the 738BX insert is installed. Consult with
chimney sweep for information on how best to clean.
Factory-built, zero-clearance replaces will require the
damper to be removed in order to install the vent liners.
These dampers are usually bolted into place. Dampers
in masonry replaces must be xed open and may
remain in place.
13. Install the remote control handset wall holder.
15. Install the surround trim and front.
16. Install the fret if required.
• Packing knife
• Screwdriver set
• Pliers
• Adjustable Wrench
• Sealant
• Dish soap/water solution
• Gloves
• Eye Protection
Some replaces (particularly factory-built) have a
raised curb at the front edge to retain ashes. Check the
dimensions carefully to ensure the 738BX engine will t
behind any raised curb (some curbs may be removed
separately from the refractory base).
Plan the routing of the gas line before proceeding.
Use the existing hole for the gas line in factory-built
replaces. If the replace has no access hole, carefully
drill an access hole of 1.5 inch (38 mm) or less through
the lower sides or bottom of the rebox. The access
hole must be plugged with non-combustible insulation
after the gas supply line has been installed. See
Dimensions section for detailed location of gas inlet.
Also, take into consideration whether or not a shut-off
valve will interfere when planning routing of the gas
line.
10
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