VENT-FREE NATURAL GAS SPACE HEATER OWNER’S OPERATION AND INSTALLATION MANUAL BLUE FLAME MODELS MN200HBA, MN200TBA MN300HBA, MN300TBA WARNING: If the information in this manual is not followed exactly, a fire 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 v icinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance.
TABLE OF CONTENTS Safety......................................................... 3 Specifications............................................. 4 Product Identification.................................. 5 Qualified Installing Agency......................... 5 Product Features........................................ 5 Local Codes............................................... 6 Unpacking.................................................. 6 Water Vapor: A By-Product Of Unvented Room Heaters....................
SAFETY IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning. Only a qualified installer, service agent, or local gas supplier may install and service this product. WARNING: Keep the appliance area clear and free from combustible materials, gasoline, and other flammable vapors and liquids.
SAFETY 1. This heater shall not be installed in a bedroom or bathroom. 2. This heater needs fresh air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, pages 7 and 8. If heater keeps shutting off, see Troubleshooting, page 21. 3. Keep all air openings in front and bottom of heater clear and free of debris.
PRODUCT IDENTIFICATION Ignitor Button Control Knob Grill Front Panel Burner Heater Cabinet Figure 1 - Vent-Free Gas Heater QUALIFIED INSTALLING AGENCY Only a qualified agency should install and replace gas piping, gas utilization equipment or accessories, and repair and equipment servicing.
LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code, ANSI Z223.1/NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. 1 Batterymarch Park Quincy, MA 02269-9101 State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts.
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 and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more energy efficient than ever. New materials, increased insulation and new construction methods help reduce heat loss in homes.
AIR FOR COMBUSTION AND VENTILATION VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2). Follow the National Fuel Gas Code, ANSI Z223.
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. This will help circulate the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.
INSTALLATION LOCATING HEATER FASTENING HEATER TO WALL This heater is designed to be mounted on a wall. You can locate heater on the floor, away from a wall. An optional floor mounting stand is needed. See Accessories, page 28. For convenience and efficiency, install heater: 1. Where there is easy access for operation, inspection, and service. 2. In the coldest part of room. An optional fan kit is available from your dealer See Accessories, page 28.
INSTALLATION Methods For Attaching Mounting Bracket To Wall Use only the last hole on each end of mounting bracket to attach bracket to wall. Attach mounting bracket to a wall only in one of two ways: 1. Attaching to wall stud: This method provides the strongest hold. Insert mounting screws through mounting bracket and into wall studs. 2. Attaching to wall anchor: This method allows you to attach mounting bracket to hollow walls (wall areas between studs) or to solid walls (concrete or masonry).
INSTALLATION Placing Heater On Mounting Bracket 1. Locate two horizontal slots on back panel of heater (see Figure 11). 2. Place heater onto mounting bracket. Slide horizontal slots onto stand-out tabs on mounting bracket. Horizontal Slots Stand-Out Tab Mounting Bracket (attached to wall) 6. Replace heater onto mounting bracket. 7. Place spacers between bottom mounting holes and wall anchor or drilled hole. 8. Hold spacer in place with one hand.
INSTALLATION CONNECTING TO GAS SUPPLY WARNING: A qualified service technician must connect heater to gas supply. Follow all local codes. WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: Never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas. WARNING: Do not overtighten gas connections. CAUTION: Use only new, black iron or steel pipe.
INSTALLATION Typical Inlet Pipe Diameters Models up to 20,000 BTU/hr use 3/8" black iron pipe or greater. Models 25,000 BTU/hr and higher use 1/2" black iron pipe or greater. Installation must include an equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 13. IMPORTANT: Install an equipment shutoff valve in an accessible location.
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 to all joints. If bubbles form, there is a leak. Correct all leaks at once. PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Open Equipment Shutoff Valve Closed Figure 14 - Equipment Shutoff Valve Gas Valve Gas Meter Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1.
OPERATION 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. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
OPERATION 8. To select the desired heating level, partially press down the control knob slightly and turn counterclockwise . Release downward pressure on the knob while continuing to turn until the knob locks at the desired setting. The main burner should light. Set control knob to the desired heating position. Note: Both HIGH and LOW are locked positions. You must press in the control knob before turning it from these positions.
OPERATION 8. Turn control knob counterclockwise to desired heating level. The main burner should light. Set control knob to any heat level between HI and LO. Thermocouple Ignitor Electrode Pilot Burner CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve. Figure 19 - Pilot THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differ from standard thermostats. Standard thermostats simply turn the burner on and off.
INSPECTING HEATER IMPORTANT: Owner’s should check pilot flame pattern and burner flame pattern often. Incorrect flame patterns indicate the need for cleaning (see Care and Maintenance, page 20) or service. WARNING: Only a qualified service person should service and repair heater. This includes maintenance requiring replacement or alteration of components. PILOT FLAME PATTERN Figure 20 shows a correct pilot flame pattern. Figure 21 shows an incorrect pilot flame pattern.
CARE AND MAINTENANCE WARNING: Turn off heater and let cool before servicing. CAUTION: You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service technician. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc. WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.
TROUBLESHOOTING 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. • If you cannot reach your gas supplier, call the fire department. WARNING: Only a qualified service technician should service and repair heater. Make sure that power is turned off before proceeding.
TROUBLESHOOTING Problem Possible Cause Corrective Action ODS/pilot lights but flame 1. Control knob is not fully 1. Press in control knob fully. goes out when control pressed in. knob is released. 2. Control knob is not pressed 2. After ODS/pilot lights, keep in long enough. control knob pressed in 30 seconds. 3. Equipment shutoff valve is 3. Fully open equipment shutoff not fully open. valve. 4. Thermocouple connection is 4. Hand tighten until snug, and loose at control valve.
TROUBLESHOOTING Problem Possible Cause Corrective Action Heater produces a whis- 1. Turning control knob to high 1. Turn control knob to low tling noise when burner position when burner is cold. position and let warm up for is lit. a minute. 2. Air in gas line. 2. Operate burner until air is removed from line. Have gas line checked by local gas supplier. 3. Air passageways on heater 3 Observe minimum installaare blocked. tion clearances (Figure 4, page 10). 4.
PARTS MODELS MN200TBA AND MN300TBA ODS/Pilot Assembly 24 www.usaprocom.
PARTS MODELS MN200TBA AND MN300TBA This list contains replaceable parts for your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts on page 28 of this manual.
PARTS MODELS MN200HBA AND MN300HBA ODS/Pilot Assembly 26 www.usaprocom.
PARTS MODELS MN200HBA AND MN300HBA This list contains replaceable parts for your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts on page 28 of this manual.
REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement parts, call Customer Service toll free at 1-866-573-0674 for referral information.
SERVICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat • propane/LP gas supply might be low (propane/LP units only) You may feel your gas pressure is too low. If so, contact your local gas supplier. TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting. If so, contact ProCom Heating, Inc. at 1-866-573-0674.
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WARRANTY KEEP THIS WARRANTY Model ________________________________ Serial No. _____________________________ Date Purchased ________________________ Keep receipt for warranty verification. REGISTER YOUR PRODUCT AT WWW.USAPROCOM.COM IMPORTANT: We urge you to register your product within 10 days of date of installation, complete with entire serial number which can be found on the rating plate. Please fill out the warranty information above for your personal records. Retain this manual for future reference.
