Owner`s manual

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Installation instructions and Owner’s Manual

UNVENTED NATURAL GAS FIRED ROOM HEATER

Blue Flame Heaters Plaque Heaters

Model # Burn Rate Model # Burn Rate

MHBF10NG/

HSBF10NG/TSBF10NG 10,000 Btu/hr MHIR10NG/HSIR10NG/TSIR10NG 10,000 Btu/hr

MHBF20NGT/HSBF20NGT/TSBF20NG

T 20,000 Btu/hr MHIR20NGT/HSIR20NGT/TSIR20NGT 20,000 Btu/hr

MHBF30NGT/HSBF30NGT/TSBF30NG

T 30,000 Btu/hr MHIR30NGT/HSIR30NGT/TSIR30NGT 30,000 Btu/hr

ENERCO GROUP, INC., 4560 W. 160

ST., CLEVELAND, OHIO 44135 · 216-916-3000

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 vicinity of this or any other appliance.

- WHAT TO DO IF YOU SMELL GAS

• Shut off gas supply

• Do not try to light any appliance

• Do not touch an 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.

WARNING: 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 Fresh Air for Combustion and

Ventilation section on page 3 of this manual.

WARNING: Improper installation, 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.

70574 Rev. D 02/06

MHIR10NG/

HSIR10NG

TSIR10NG

MHIR20NGT

HSIR20NGT/

TSIR20NG

MHBF30NGT/

HSBF30NGT

TSBF30NG

MHB

F10NG/

HSB

F10NG/

TSBF10N

MHIR30NGT

HSIR30NGT/

TSIR30NG

MHBF20NGT/

HSBF20NGT

TSBF20NG

INSTALLATION INSTRUCTIONS

AND

OWNER’S MANUAL

READ INSTRUCTIONS CAREFULLY: Read and follow all instructions. Place instruc-

tions

in a safe place for future reference. Do not allow anyone who has not read

these

instructions to assemble, light, adjust or operate the heater.

Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.

Serial Number Info on Pg 24

Summary of content (24 pages)

PAGE 1
Serial Number Info on Pg 24 Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference. INSTALLATION INSTRUCTIONS AND OWNER’S MANUAL READ INSTRUCTIONS CAREFULLY: Read and follow all instructions. Place instructions in a safe place for future reference. Do not allow anyone who has not read these instructions to assemble, light, adjust or operate the heater.
PAGE 2
This appliance may be installed in an aftermarket* permanently 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 any other gas. *Aftermarket completion of sale, not for the purpose of resale, from the manufacturer. WARNINGS 4. Keep all air openings in heater clear, free of debris or any blockage.
PAGE 3
Product Features UNPACKING Ignitor Button Fan Blower Switch 1. Remove heater from carton. 2. Remove all protective packaging applied to heater for shipment. 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.
PAGE 4
installed in that space, and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kW) of the aggregate input rating of all appliances 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. *Adjoining rooms are communication only if there are doorless passageways or ventilation grills between them.
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12345678 12345678 OUTLET AIR OUTLET AIR INLET AIR 12 12 12 12 12 12 12 12 1234 VENTILATED ATTIC 12345 12345 12345 12345 12345 12345 • • • • VENTILATION AIR 12345 12345 12345 12345 12345 12345 12345 12345 12345 TO ATTIC Sediment trap Tee joint Pipe wrench *A CSA/AGA certified equipment shutoff valve with 1/8” NPT tap is an acceptable alternative to test gauge connection. Purchase a CSA/AGA certified equipment shutoff valve from your dealer. See Accessories, page 17.
PAGE 6
1. Attach to wall studs 2. Attach to wall anchor Attaching to Wall Stud: 6” Min from adjoining walls Left Side This way is the best providing the strongest mounting in wood frame houses. 36” min. from ceiling Attaching to Wall Anchor: This way allows you to attach mounting bracket to hollow walls (wall areas between studs) or to solid walls (concrete or masonry). Decide which way best suits your needs. Either method will provide a secure hold for the mounting bracket. Right Side 1.
PAGE 7
1. Drill holes at marked locations using 5/16” drill bit. For solid walls (concrete or masonry), drill at least 1” deep. 2. Fold wall anchor as shown in figure 8 below. 4. If installing bottom mounting screw into hollow or solid wall, install wall anchors. Follow steps 1 through 4 under Attaching to Wall using Anchor. If installing bottom mounting screw into wall stud, drill holes at marked locations using 9/64” drill bit. 5. Re-place heater onto mounting bracket. 6.
PAGE 8
WARNING: This appliance requires a 3/8” NPT (National Pipe Thread) inlet connection to the pressure regulator. Use of floor mounting feet will require you to use a 3/8 NPT street elbow to make gas connection. CAUTION: Never connect heater to private (non-utility) gas well. This gas is commonly known as well-head gas. IMPORTANT: Check your gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 14 inches of water.
PAGE 9
ELECTRICAL WIRING DIAGRAM: Pressure Testing Heater Gas Connections: 1. Make sure that the heater supply piping system is connected and has been leak tested as described above. 2. Make sure control knob of heater is in OFF position. 3. Open equipment shutoff valve (see figure 13). 4. Open main gas valve on or near gas meter. 5. Check all joints from equipment shutoff valve to control valve (see figure 14). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 6.
PAGE 10
C. Use only your hand to push in or turn the gas control knob. Never use tools. It knob will not push in or turn by hand, don’t try to repair it; call a qualified service technician or gas supplier. Force or attempted repair may result in a fire or explosion. D. Do not use this appliance if any part has been underwater. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system which has been underwater.
PAGE 11
replace any part of the control system which has been underwater. WARNING: When running heater, set control knob at “LO” or “HI” locked positions. Poor combustion and higher levels of carbon monoxide may result if heater is operated with control knob positioned between locked positions. IMPORTANT: Release downward pressure while turning control knob. Control knob must be locked at the desired position. LIGHTING INSTRUCTIONS 1. STOP! Read the all safety information included with and on the side of heater.
PAGE 12
• couple cools, the heater will shut down. If pilot flame pattern is incorrect, as shown in Figure 22: If pilot does not stay lit, refer to Troubleshooting, pages 14 & 15. Also, contact a qualified service person of gas supplier for repairs. • Turn heater off (see To Turn OFF Gas to Appliance, page 11 for non-thermostat models or page 12 for thermostat models). • See Troubleshooting, pages 14 and 15.
PAGE 13
Figure 24b CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before servicing. CAUTION: You must keep control areas, burner and circulation air passageways of heater clean. Inspect these areas of heater before use. Have the heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excess lent from carpeting, bedding material, pet hair, etc. Make sure grille guard is in place before running heater.
PAGE 14
TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. WARNING: Only a qualified service person should service and repair heater. CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Make sure grille guard is in place before running heater. If screen or grille guard is removed for servicing it must be replaced prior to operating the heater.
PAGE 15
TROUBLESHOOTING CON’T OBSERVED SYMPTOM Buner backfiring during operation Burner plaque(s) does not glow [Infrared Only] Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit POSSIBLE CAUSE REMEDY 1. Burner orifice is clogged or damaged 2. Burner damaged 3. Gas regulator defective 1. Plaque damaged 2. Control knob set between locked positions. 3. Inlet gas pressure is too low 1. Residues from manufacturing process 1.
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SPECIFICATIONS IR10NG IR20NGT IR30NGT BTU (Available) 10,000 20,000 30,000 Type of Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Battery ignitor (1-AA) Battery ignitor (1-AA) Pressure Regulator Setting 4.5 Inches of Water 4.5 Inches of Water 6.
PAGE 17
REPLACEMENT PARTS Note: use only original replacement parts. This will protect you warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealer from whom you purchased this product. If they are unable to supply original replacement part(s), call the number on back of manual.
PAGE 18
Thermostat models 24 31-3 32 3-1 3-3 1-1 34 1-4 31-2 43 26 31-1 12 3-5 14 30 9 3-2 42 3-6 17 6 29 31-1 1-3 11 22-1 15 7 4 20-2 33-1 5 8 45 16-1 16-2 BF20NGT 1-2 16 2 23 27-2 28-2 BF30NGT 44 33-2 13 20-1 22-3 25 22-1 3-2 3-1 3-3 1-4 31-3 24 34 32 31-2 1-1 3-5 12 42 31-1 9 6 17 29 22-1 3-4 1-3 45 7 30 5 11 26 31-1 8 10 33-1 22-3 IR20NGT 20-2 1-2 35 IR30NGT 19 33-2 38 23 4 18 39 2 16-2 16 21 36 44 22-2 20-1 16-1 13 25 27-1 28-1 18
PAGE 19
PARTS LIST Thermostat models IR20NGT, IR30NGT, BF20NGT, BF30NGT, BF20NGT, BF30NGT This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual. ITEM PART NO. DESCRIPTION QTY.
PAGE 20
ITEM 28-1 28-2 29 30 31-1 31-2 31-3 32 33-1 33-2 34 35 36 37 38 39 40 41 42 43 44 45 * * * * * * * * * * * * * * * IR20NG 70670 — 70683 70684 70685 70686 70687 70688 70672 70673 70674 70675 70675 PART NO.
PAGE 21
NON-Thermostat models 3-1 42 1-1 3-2 3-3 26 1-4 6 1-3 3-5 5 22-1 3-4 10 7 33-1 1-2 35 20-2 IR10NG 8 22-2 43 2 38 22-3 40 23 13 36 16-1 21 16-2 44 24 20-1 29-1 16 3-2 3-1 3-3 1-1 26 42 3-6 3-5 14 7 6 5 8 15 1-4 22-1 1-3 20-2 33-1 16-2 1-2 BF10NG 20-1 16 16-1 2 13 23 44 22-3 24 22-2 21 Installation instructions and Owner’s Manual 27-2 4
PAGE 22
PARTS LIST Non-Thermostat model IR10NG, BF10NG This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual.
PAGE 23
ITEM PART NO. DESCRIPTION QTY.
PAGE 24
WARRANTY INFORMATION Keep this warranty Model# Serial Numbers MH/HS/TSBF10NG MH/HS/TSBF20NG MH/HS/TFBF30NG MHC705100000447 - MHC705100000538 MHC705200001534 - MHC705200002198 MHC705300003103 - MHC705300004518 MH/HS/TSIR10NG MH/HS/TSIR20NG MH/HS/TSIR30NG MHC705400001001 - MHC705400001151 MHC705500001390 - MHC705500002548 MHC705600002016 - MHC705600003380 Model ______________________ Serial No.