Martin MDV12P, MDV12VN, MDV20P, MDV20VP, MDV20N Operation Manual

OWNER’S INSTALLATION, SAFETY
AND OPERATIONS MANUAL

GRAVITY VENTED WALL FURNACE SERIES: MDV8P, MDV8N, MDV12P, MDV12VP,
MDV12N, MDV12VN, MDV20P, MDV20VP, MDV20N, MDV20VN

Your heater may differ from models shown.

Conforms to ANSI STD Z21.86-2008
and certified to CSA STD 2.32-2008 (R2014), and CGA 2.17-M91 (R2009)

0544GH001S

This Appliance may be installed in an aftermarket,
permanently located, manufactured home (USA
only) or 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.

INSTALLER: Leave this manual with

the appliance.
CONSUMER: Retain this manual for
future reference.

WARNING: If the information in these instructions
are not followed exactly, a fire or explosion may
result causing property damage, personal injury,
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 phone in your building.
* Immediately call your gas supplier from a
neighbor's phone. 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.

We thank you for purchasing our quality and reliable MARTIN heater. If you require assistance or have
any questions about safety, installation, operation, require replacement parts, safety label or manual, please
contact our customer service:

Call us toll-free at 1-800-266-1414 Monday to Friday 8H AM to 17 H PM
Or email us at [e-mail] www.bismar.com
Bismar Inc., 9, de Montgolfier st., Boucherville, Qc, J4B 8C4

®

V1-6.2016

INTRODUCTION

Your MARTIN® heater is especially designed to provide maximum comfort to you and your home. Its large solid injected
aluminum front grill assures the optimum use of the generated heat in the ambient, maintains normal temperatures behind
the heater to avoid sticking of particles, which would soil the wall. You can feel safe with absolute security guaranteed by:

A flame failure safety, which cuts the gas supply in the event of the heater pilot extinguishing due to strong air currents

•

or momentary interruption of the supply of gas.

Its gas pressure regulator assures an optimum operational function, avoiding peak pressures in the gas supply

•

affecting normal combustion.

Its tight gas combustion chamber, totally enameled avoids gases which are caused by combustion to contaminate

•

the air and ensures a useful, long lasting working life.

A guarantee of long lasting comfort provided by this heater and its quality components, the high technology applied
in the process of fabrication and especially by the traditional vocation of MARTIN® to supply durable products for your
maximum comfo

rt and satisfaction.

LOCAL CODES

Install and use the heater with care. The installation must conform with local codes or in the absence
of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223.1/NFPA 54 Natural
Gas and Propane Installation Code, CSA B149.1.

A manufactured home (USA only) or mobile home OEM installation must conform with the

tured Home Construction and Safety Standard, Title 24 CFR, Part 3280

not applicable, the Standard for

Manufactured Home Installation, ANSI Z225.1

, or, when such a standard is

, or Standard for

Equipped recreational Vehicles and Mobile Housing, CSA Z240.4.

GAS SPECIFICATIONS

HEATER MODEL

Maximum Input

Minimum Input

Maximum Inlet Pressure

Minimum permissible gas supply
pressure for purpose of input
adjustments.

Manifold Pressure (Natural gas)

MDV8

8,000 BTU/hr 11,000 BTU/hr

2,900 BTU/hr

L.P. 13” W.C.

NAT. 10.6” W.C.

L.P. 11” W.C.
NAT. 7” W.C.

6” W.C.

MDV12 MDV20

20,000 BTU/hr

3,600 BTU/hr

L.P. 13” W.C.

NAT. 10.6” W.C.

L.P. 11” W.C.

NAT. 7” W.C.

5.8” W.C.

6,000 BTU/hr

L.P. 13” W.C.

L.P. 11” W.C.
NAT. 7” W.C.

NAT. 10.6” W.C

5.2” W.C.

Manufac-

Gas

Manifold Pressure (Propane gas)

Thermal Output Capacity

10.8” W.C. 10.8” W.C.

6,400 BTU/hr

2

8,800 BTU/hr

10.5” W.C.

16,000 BTU/hr

SAFETY RULES

1. Due to high temperatures, the appliance should be located out of traffic and away from furniture and
draperies.

2. Children and adults should be alerted to the hazards of high surface temperatures 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 appliance.

.

4. Clothing or other flammable material should not be placed on or near the appliance.

5. Any safety screen or guard removed for servicing an appliance must be replaced prior to operating the
appliance.

6. 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 necessary
due to excessive lint from carpeting, bedding material, etc. It is imperative that control compartments,
burner and circulating air passageways of the appliance be kept clean.

7. WARNING: Do not operate appliance with the panel removed, cracked or broken. Replacement of the
panel should be done by a licensed or qualified service person.

8. Do not spray any aerosol near heater when functioning. Do not store pressurized containers near
appliance.

9. Do not touch the grill to avoid burning yourself.

10. Do not touch the gases outlet cap while heater is in operation to avoid burning yourself.

11. Avoid blocking air inlet and hot air outlet.

12. Do not spill water over the heater as it may cause corrosion.

13. Allow heater to thoroughly cool before servicing.

14. Input ratings are shown in BTU per hour and are rated for elevations up to 2,000 feet above sea level.
For elevations above 2,000 feet, input ratings should be reduced 4 percent for each 1,000 feet above
sea level. Refer to the National Fuel Gas Code.

15. The heater and its appliance main gas valve must be disconnected from the gas supply piping
system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa).

16. The appliance must be isolated from the gas supply piping system by closing its equipment shutoff
valve during any pressure testing of the gas supply piping system at test pressures equal to or less
than 1/2 psig (3.5 kPa).

17. This gas appliance must not be connected to a chimney flue serving a separate solid-fuel burning
appliance.

18. The installation must provide for adequate and unobstructed combustion and ventilation air.

19. The installation must provide adequate accessibility clearances for servicing.

20. The efficiency rating of this appliance is a product thermal efficiency rating determined under
continuous operating conditions and was determined independently of any installed system.

21. The minimum inlet gas supply is for the purpose of input adjustment.

22. Do not use this appliance if any part has been under water. Immediately call a qualified service
technician to inspect the appliance and to replace any part of the control system and any gas control
that has been under water.

3

MINIMUM CLEARANCES TO COMBUSTIBLES

15 cm (6 in)

Spacer:

MDV8: 2 cm (25/32 in)
MDV12/20: 3 cm (1-3/16 in)

61 cm (24 in)

Clearances to combustible surfaces:

Rear : MDV8: 2 cm (25/32 in)
MDV12/20: 3cm (1-3/16 in)
Sides : 15 cm (6 in)
Above : 61 cm (24 in)
From floor :

18 cm (7 in) to top of tile, carpeting, etc.

18 cm (7 in)

4

INSTALLATION INSTRUCTIONS

The following diagrams serve as a reference for the installation of your heater with the ventilation provided
with the unit. The template that is provided with the heater should be used. In this case, fold it at the dotted
line 7” below the heater which indicates the floor level, and make it coinciding with the floor level as a
minimum clearance. Also take into consideration the other minimum distances shown. Then fix it to the wall
with adhesive tape.

Model MDV8

Hole for
combustible
wall in both
indoor and
outdoor.

Ø 8 mm

(Ø 5/16”)

68 mm

(2-11/16”)

172 mm (6-3/4”)

68 mm

(2-11/16”)

Ø 8 mm

(Ø 5/16”)

112mm (4-7/16”)

490mm (19-5/16”)

Ø115mm

(Ø4-1/2”)

92mm (3-5/8”)92mm (3-5/8”)

Ø230 mm (9-1/16”)

Ø 8 mm

(Ø 5/16”)

92mm (3-5/8”)92mm (3-5/8”)

575mm (22-5/8”)

390mm (15-3/8”)

25mm (1”)

Floor level (Fold here)

150mm (5-7/8”)

40mm
(1-9/16”)

300 mm (11-13/16”)

5

Gas inlet
3/8”NPT

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180mm (7-1/8”)

ART. 13844

Model MDV12

INSTALLATION INSTRUCTIONS

Ø 8 mm

(Ø 5/16”)

112mm (4-7/16”)

490mm (19-5/16”)

110mm

(4-5/16”)

Ø115mm

Ø230 mm (9-1/16”)

(Ø4-1/2”)

92mm (3-5/8”)92mm (3-5/8”)

215mm (8-1/2”)

110mm

(4-5/16”)

Ø 8 mm

(Ø 5/16”)

92mm (3-5/8”)92mm (3-5/8”)

Hole for
combustible
wall in both
indoor and
outdoor.

575mm (22-5/8”)

190mm (7-1/2”)

Floor level (Fold here)

Ø 8 mm

(Ø 5/16”)

380 mm (15”)

40mm
(1-9/16”)

Gas inlet
3/8”NPT

390mm (15-3/8”)

25mm (1”)

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180mm (7-1/8”)

ART. 13012 V2

6