Procom ML300HGA Owner's Operation And Installation Manual

Procom ML300HGA Owner's Operation And Installation Manual

Blue flame vent-free propane/lp gas garage heater

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OWNER ' S OPERATION AND INSTALLATION MANUAL
ML300HGA
ML300TGA
NON-THERMOSTAT AND
THERMOSTAT MODEL

Table of Contents

Important Safety Information..................................... 2
Installation..................................................................... 8
Operating Your Heater............................................... 11
Trouble Shooting.........................................................14
Specifications..............................................................17
Parts List ML300TGA .................................................19
Parts List ML300HGA .................................................21
WARNING:
If the information in this
manual is not followed exactly, a f i r e o r
e x p l o s i o n m a y r e s u l t causing property
damage, personal injury, or loss of life.
WARNING:
This is an unvented gas-fired
heater. It uses air (oxygen) f r o m t h e r o o m
i n w h i c h i t i s installed. Provisions for
adequate combustion and ventilation air must
b e p r o v i d e d . R e f e r t o A i r F o r Combustion
and Ventilation section on page 4 of this
manual.
5 Musick
Irvine
CA 92618
PRO-COM PHONE NUMBER: (877)886-5989
4600 Highlands parkway S.E
SUITE # D/E
Smyrna, GA 30080
BLUE FLAME VENT-FREE
PROPANE/LP GAS GARAGE
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
q u a l i f i e d i n s t a l l e r , s e r v i c e a g e n c y o r
supplier.
WA R N I N G :
adjustment, alteration, service or maintenance
can cause injury or property damage. Refer to
this manual for correct installation and
operational procedures. For assistance or
additional information consult a qualified
installer, service agency, or gas supplier.
This appliance may be installed in an aftermar-
ket*
permanently
(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.
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM
HEATERS
Water vaporis a by-product of gas combustion.An
unvented room heater produces approximately one (1)
ounce (30ml) of water for every 1,000 BTU's (.3KW's)
of gas input per hour. Refer to page 3.
Installer: Please leave these instructions with
the consumer.
Consumer: Please retain these instructions for
future use.
*Aftermarket: Completion of sale, not for purpose of
resale, from the manufacturer.
1
HEATER
I m p r o p e r
i n s t a l l a t i o n ,
located, manufactured
g a s

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Summary of Contents for Procom ML300HGA

  • Page 1: Table Of Contents

    Cleaning&Maintenance...13 Trouble Shooting...14 Specifications...17 Illustrate Parts Breakdown ML300TGA ...18 Parts List ML300TGA ...19 Illustrate Parts Breakdown ML300HGA ...20 Parts List ML300HGA ...21 WARNING: If the information in this manual is not followed exactly, a f i r e o r e x p l o s i o n m a y r e s u l t causing property damage, personal injury, or loss of life.
  • Page 2: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNINGS I M P O R TA N T: R e a d t h i s owner’s manual carefully and c o m p l e t e l y b e f o r e t r y i n g assemble, operate, or service this...
  • Page 3: Product Features

    Figure1-Vent-Free Propane/LP Gas Heater(Model ML300TGA Shown) SAFETY DEVICE A standard requirement for all vent-free room heaters. This heater has a pilot with an Oxygen Depletion Sensor(ODS) safety shutoff system. The ODS/pilot shuts off the heater if there is not enough fresh air.
  • Page 4: Fresh Air For Combustion And Ventilation

    FRESH AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion v e n t i l a t i o n a i r . R e a d f o l l o w i n g i n s t r u c t i o n s...
  • Page 5 3. Add the Btu/Hr of all fuel burning appliances in the space. Vent-free heater Gas water healer* Gas furnace Vented gas heater Gas Fireplace logs Other gas appliances* + Total *Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.
  • Page 6: Ventilation Air

    Figure 3 -Ventilation Air from Outdoors INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater.
  • Page 7: Installation

    Note: Only mark last hole on each end of mounting bracket. Insert mounting screws through these holes only. Remove tape and mounting bracket from wall. Model ML300TGA, ML300HGA Figure 8 - Mounting Bracket Clearances hold. Insert to attach method better...
  • Page 8 Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws, and spacers are in hardware package. The hardware package is provided with heater. Attaching To Wall Stud Method For attaching mounting bracket to wall studs 1. Drill holes at marked locations "...
  • Page 9: Connecting To Gas Supply

    Typical Inlet Pipe Diameters ML300HGA / ML300TGA 1/2 greater Installation must include an equipment shutoff valve, union, "...
  • Page 10: Checking Gas Connections

    INSTALLATION CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water joints.
  • Page 11 LIGHTING INSTRUCTIONS STOP! Read safety information on the side of heater. 2. Check that gas supply to heater is on. 3. Push in gas control knob slightly and turn clockwise to the OFF position. NOTE: Knob cannot be turned from "...
  • Page 12: Operating Your Heater

    NON-THERMOSTAT MODEL ML300HGA FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance has a pilot which must be lighted by hand.
  • Page 13: Inspecting Burner

    INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 21 shows a correct pilot flame pattern. Figure 22 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching thermocouple. This will cause the thermocouple to cool.
  • Page 14: Troubleshooting

    Note : troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed in, there is no spark at ODS/pilot. When ignitor button is pressed in, there is a spark at ODS/pilot but no ignition. ODS/pilot lights but flame goes out when control knob is released.
  • Page 15: Troubleshooting

    OBSERVED PROBLEM B u r n e r ( s ) d o e s n o t l i g h t a f t e r ODS/pilot is lit. Delayed ignition of burner(s). Burner backfiring during combustion. Yellow flame during burner...
  • Page 16 WARNING: 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.
  • Page 17: Specifications

    Usually, we will ask you to return the defective part to the factory. PARTS NOT UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s),contact PRO-COM. ML300HGA 15,000/28,000 Propane/LP Only Piezo " W.C. " "...
  • Page 18: Illustrate Parts Breakdown Ml300Tga

    ILLUSTRATED PARTS BREAKDOWN ML300TGA...
  • Page 19: Parts List Ml300Tga

    PARTS LIST This list contains replaceable parts used in your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts 17 on page of this manual. ML300TGA ML300TGA PART NO. MB10002 MB09001 MB11002 ML089-01 ML084-01 MB29001 ML069-02 SIT545-175 845-4.8x60Z ML111-01 ML083-03...
  • Page 20: Illustrate Parts Breakdown Ml300Hga

    ILLUSTRATED PARTS BREAKDOWN ML300HGA...
  • Page 21: Parts List Ml300Hga

    PARTS LIST This list contains replaceable parts used in your heater. When ordering replacement ML300HGA parts, follow the instructions listed under Replacement Parts on page 17 of this manual. ML300HGA PART NO. MB10003 MB09001 MB11002 ML089-01 MB29001 ML084-01 ML083-03 ML069-02...

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