Heatmaster HMVF-ECO 24LP, HMVF-R 24NG, HMVF-ECO 24NG, HMVF-ECO 30LP, HMVF-ECO 36LP Installation And Operating Instructions Manual
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Installation and Operating Instructions for Natural & LP Gas
Unvented Gas Log Heater
HMVF-R-24 & 30/36”
HMVF-IPI-ECO 24” & 30/36”
ANSI Z21.11 2-2016 APPROVED / ANSI Z21.60 -2017 CSA 2.26 2017
State and local codes may only allow operation of this appliance in a vented configuration. Check your local and state codes.
WARNING: FAILURE TO FOLLOW THESE INSTRUCTIONS CAREFULLY AND WITHOUT
ERROR OR FAILURE TO HEED ANY AND ALL WARNINGS IN THESE INSTRUCTIONS CAN
RESULT IN AN EXPLOSION, FIRE OR THE PRODUCTION OF CARBON MONOXIDE GAS
WHICH CAN CAUSE PROPERTY DAMAGE, BODILY INJURY OR DEATH.
WARNING
or explosion may result, causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable 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 telephone in your building.
•
Immediately call your gas supplier from a neighbor’s telephone.
•
Follow the gas supplier’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.
This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to
page 8.
This appliance is intended for supplemental heating.
“This appliance may be installed in an aftermarket, permanently located, manufactured (mobile)
home, where not prohibited by 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.”
If the information in this manual is not followed exactly, a fire
IMPORTANT: READ INSTRUCTIONS CAREFULLY BEFORE
BEGINNING INSTALLATION OF THIS ROOM HEATER.
IM-115
10/2018
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
1
PRODUCT SPECIFICATIONS
Product
Inlet BTU Nat 39,000 39,000 40,000 40,000
Min. BTU Nat 25,000 25,000 26,000 27,000
Product
Inlet BTU 39,000 40,000 40,000 40,000
Min. BTU 26,000 25,000 28,000 26,000
HMVF-ECO 24LP HMVF-ECO 24NG HMVF-ECO 30/36LP HMVF-ECO 30/36NG
HMVF-R 24LP HMVF-R 24NG HMVF-R 30/36LP HMVF-R 30/36NG
FIREPLACE and HEARTH DIMENSIONS
HMVF-R Minimums
24" 30"
36"
Height 18” 20” 20”
Width of Front Opening 29" 38 1/2” 48"
Depth 14" 14" 14"
Width of Rear Opening 20” 20” 20”
HMVF-IPI-ECO Minimums
Height
24" 30"
18” 20”
36"
20”
Width of Front Opening 32" 38 1/2” 48"
Depth 15" 15" 15"
Width of Rear Opening 20” 20” 20”
Use manufacturer’s installation and clearance requirements as defined in their manual.
2
Important safety information
WARNING
•
Any change to this heater or its controls can be dangerous and void any warranty.
•
Do not allow fans to blow directly into fireplace. Avoid drafts that alter
burner flame patterns.
•
Do not use a blower insert, heat exchanger insert or any other accessory not approved
for use with this heater.
•
Improper installation or use of this heater can cause serious injury or death
from fire, burns, explosion or carbon monoxide poisoning.
Children and adults should be alerted to the hazard of high surface temperature
and should stay away to avoid burns or clothing ignition.
1. Due to high temperatures, the heater should be located out of traffic and away from furniture and
draperies.
2. Children and adults should be alerted to the hazard of high surface temperature and should stay away
to avoid burns or clothing ignition.
3. Young children should be carefully supervised when they are in the same room as the heater.
4. Do not place clothing or other flammable material near the fireplace when the heater is in use.
5. Any safety screen or guard removed for servicing must be replaced prior to operating the heater.
6. Installation and repair should be done by a qualified service person.
7. To prevent malfunction and/or sooting, an unvented gas heater should be cleaned at least annually by a
professional service person. More frequent cleaning may be required due to excessive lint from carpeting, etc. It is imperative that control compartments, burners and circulating air passageways be kept
clean.
8. CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the
flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately.
Have the heater serviced as it may not be operating properly.
9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel
Gas Code, ANSI Z223.1/NFPA54 or the CSA B149.1 Natural Gas and Propane Installation Code.
10. This unit complies with ANSI Z21.11.2-2016 Unvented heaters and also complies with
ANSI Z21.60-2017 Decorative Vented appliances for Solid Fuel Burning fireplaces. State and local
codes may only allow operation of this appliance in a vented configuration. Check your state or
local codes. For vented operation, see “Vented Instructions” in this manual.
11. Do not install the heater in a bedroom or bathroom.
12. Correct installation of the logs, proper location of the heater and annual cleaning are necessary to
avoid potential problems with sooting. Sooting, resulting from improper installation or operation,
can settle on surfaces outside the fireplace. See log placement instructions for proper installation.
13. Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace.
Do not place a blower inside burn area of the firebox. Ceiling fans may create drafts that alter burner
flame patterns. Sooting and improper burning will occur.
14. This is an unvented Gas-fired heater. It uses air (oxygen) from the room in which it is installed.
Provisions for adequate combustion and ventilation air must be provided. Refer to installation
guidelines.
15. Keep appliance area clear and free from combustible materials, gasoline and other flammable
vapors and liquids.
3
Do not use this room heater if any part has been under water. Immediately call a qualified service
technician to inspect the room heater and to replace any part on the control system and any gas
control which has been underwater.
This room heater is for installation in a solid fuel burning fireplace or listed unvented firebox enclosure only.
A fireplace screen must be in place when the appliance is operating and, unless other provisions for
combustion air are provided, the screen shall have an opening (s) for introduction of combustion air.
Any glass door should be fully opened when the appliance is in operation.
Important safety information cont
WARNING
rating plate. This appliance is not convertible for use with other gases.
WARNING
This appliance is only for use with the type of gas indicated on the
This appliance is equipped for (natural or propane) gas. Field con-
version is not permitted.
This appliance may be returned to manufacturer for conversion.
WARNING
Installation and repair should be done by a qualified service person.
The appliance should be inspected before use and at least annually by
a professional service person. More frequent cleaning may be required due to extensive lint from carpeting, bedding material, etc. It is imperative that control compartments, burners and circulating air passageways of the appliance be kept clean.
WARNING
“Failure to keep the primary air opening (s) of the burner (s) clean
may result in sooting and property damage”.
Solid fuels shall not be burned in a fireplace in which an unvented room heater is installed.
Any outside air ducts and/or ash dumps in the fireplace should be permanently closed at time
of appliance installation.
Clearances around air openings of fireplace must be kept clear. Do not stack anything in
front of air vents or fireplace openings.
WARNING
This appliance is for installation only in a solid fuel burning masonry or UL 127
Factory-built fireplace or in a listed unvented firebox enclosure. It has been design
certified for these installations. Exception: DO NOT install this appliance in a factory-built fireplace
that includes instructions stating it has not been tested or should not be used with unvented gas logs.
4
General Installation Information
The following formula can be used to determine the maximum heater
Counter
Fireplace
rating per the definition of confined space:
BTU/HR= (L
50
1
+
L2) FT X (W)FT X (H)FT X 1000
Example: Refer to Figure 1. Two (2) connecting rooms with and open
area between , with the following dimensions.
L1 = 15
L
H
2
L
1
W
L2 = 12 ’
W = 12 ’
H = 8 ’
(15
1/2 +
12 ) x (12) x (8) x 1000 = 52800 btu./hr
1/2
50
Figure 1. Example of large room with 1/2 wall
divider.
If there was a door between the two rooms the calculation would be based
only on the room with the heater.
(15
1/2
) x (12) x (8) x 1000 = 27760 btu./hr
50
Sidewall and ceiling clearances
The sides of the fireplace opening must be at least 16” from any combustible wall. The ceiling must be at
least 42” from the top of the fireplace opening.
Figure 2. Sidewall
and Ceiling Clearances.
Right Side
Left Side
WARNING
42"
Front
16"16"
The dimensions shown in Figure 2 and defined in the fireplace manufacturer’s instructions are minimum clearances to maintain in installing this heater. Left and right
clearances are determined when facing the front of the heater.
When heater is installed into a unvented firebox, minimum clearances as specified by the unvented firebox
manufacturer must be met.
Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create
a fire hazard.
5
CLEARANCE/ HEIGHT REQUIREMENTS
10
8
6
2 1/2
24 5/8
Heat resistant
material
Figure 3.
Minimum Mantel Clearance with No Hood.
Example: The bottom of a mantel may project from
the wall a minimum of 14” above the opening. The
top side of the mantel may project a maximum of
6” at a minimum of 20-1/2” above the opening.
20 1/2
14
28"
10” and Less
12
10
8
6
2 1/2
Heat resistant
material
Hood
Figure 4.
Minimum Mantel Clearance with Hood.
Example: A mantel may project from the wall
a maximum of 2-1/2” at a minimum of 8”
above the opening and a maximum of 6” at
a minimum of 14-1/2” above the opening.
18 5/8
14 1/2
8"
26"
22 1/2"
28"
Heat resistant
material
Figure 6.
Is an example of an unsafe mantel installation. This
mantel projects 4” at 8” above the opening, exceeding
the maximum acceptable distance of 2-1/2”. The
mantel also projects 7” at 14-1/2” above the opening,
exceeding the maximum acceptable distance of
6”.
If your mantel profile is unsafe, you may either:
Raise the mantel to an acceptable height or,
Remove the mantel.
12
Figure 5. Minimum Mantel Clearance with No
Hood.
Example: The bottom of the mantel may project
from the wall a maximum of 10” at a
minimum of 28” above the opening.
7"
6"
Mantel
2 1/2"
Minimum of 8” heat resistant
material
4"
Hood
8"
14 1/2"
Page 7
6
CLEARANCE/ HEIGHT REQUIREMENTS cont
Heat resistant material ( minimum requirements) with
8” or more of heat
8" or more of
resistant material
heat resistant
material
wooden mantel or other combustible projection:
To install the heater with a wooden mantel, shelf or
other combustible projection above, first measure
the heat resistant material shown in Figure 7.
Heater in Fireplace
or Firebox
Figure 7.
Measuring heat resistant material for mantel.
Heat Resistant Material Requirements for safe installation with wooden mantel, shelf
measurement or other combustible projection.
12” or more Hood not required. Observe profiles
8” to less than 12” Install hood and observe profiles
Less than 8” Extend heat resistant material to at
Figure 8.
Minimum
clearance above
combustible
flooring.
Hood not required. Observe profiles
(side elevations) shown in Figure 3.
shown in Figure 4. Or extend heat
resistant material to at least 12”
observe profiles shown in Figure 3.
least 8” . Install hood and observe
profiles shown in Figure 4. Or
extend heat resistant material to at
least 12” and observe profiles shown
in Figure 3.
(side elevations) shown in Figure 5.
Install hood and observe profiles
shown in Figure 4. Or extend heat
resistant material to at least 12”
observe profiles shown in Figure 5.
Extend heat resistant material to at
least 8” . Install hood and observe
profiles shown in Figure 4. Or
extend heat resistant material to at
least 12” and observe profiles shown
in Figure 3.
FLOOR CLEARANCE
This gas log heater must be installed at least 5” above any combustible flooring material, such as
carpeting or tile, which is closer than 14” to the base of the fireplace. This minimum distance must be
maintained from the top surface of carpeting, tile, etc. Refer to Figure 8.
Figure 9.
Minimum
clearance above
combustible
flooring with
non-combustible
material installed
at base of fireplace.
Combustible
material
5” Minimum
5" Minimum
Combustible
material
14” Minimum
14" Minimum
This gas log heater may be installed nearer to the floor if a minimum of 14” of noncombustible material
such as slate or marble is installed between the base of the fireplace and the combustible flooring.
Refer to Figure 9.
7
General Instructions
PROVISIONS FOR ADEQUATE COMBUSTION AND VENTILATION AIR
This heater shall not be installed in a confined space or unusually tight construction unless
provisions are provided for adequate combustion and ventilation air.
The National Fuel Gas Code ANSI Z223.1/NFPA54 defines a confined space as a space whose
volume is less than 50 cubic feet per 1,000 Btu per hour (4.8m
of all appliances installed in that space and an unconfined space as a space whose volume is not less that
50 cubic feet per 1,000 Btu per hour (4.8m
3
per kw) of the aggregate input rating of all appliances
3
per kw) of the aggregate input rating
installed in that space. Rooms communicating directly with the space in which the appliances are
installed, through openings not furnished with doors, are considered a part of the unconfined space.
Unusually tight construction is defined as construction where:
a) Walls and ceiling exposed to the outside atmosphere have a continuous water vapor retarder with
a rating of 1 perm ( 6 x 10-11 kg per-pa-sec-m2) or less with openings gasketed or sealed, and
b) Weather stripping has been added on openable windows and doors, and
c) Caulking or sealant are applied to areas such as joints around windows and door frames,
between sole plates and floors, between wall-ceiling joints, between wall panels, at penetrations
for plumbing, electrical, and gas lines, and at other openings.
The installation of appliances designed for manufactured home or mobile home installation must conform
with Manufactured Home Construction and Safety Standard Title 24 CFR, Part 3280, in the United States, or
when such standard is not applicable, ANSI/NCSBCS A225.1/NFPA 501A, Manufactured Home Installations
Standard.
WARNING
If the area in which the heater may be operated is smaller than that defined as an un-
confined space or if the building is of unusually tight construction, provide adequate
combustion and ventilation air by one of the methods described in the “National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Section 5.3” or applicable local codes.
WARNING
If the area in which the heater may be operated does not meet the required volume for
indoor combustion air, combustion and ventilation air shall be provided by one of the
methods described in the National Fuel Gas Code, ANSIZ223.1/NFPA 54, the International Fuel Gas
Code or other applicable codes.
Keep burner and control compartment clean. See Installation and Operating Instructions accompanying heater.
8
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