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Enerco MHBF10NG manual

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Table of contents for the manual

  • Page 1

    Installation instructions and Owner’s Manual 1 UNVENTED NA TURAL GAS FIRED ROOM HEA TER Blue Flame Heaters Plaque Heaters Model # Burn Rate Model # Burn Rate MHBF10NG/TSBF10NG 10,000 Btu/hr MHIR10NG/TSIR10NG 10,000 Btu/hr MHBF20/NGT/TSBF20NGT 20,000 Btu/hr MHIR20NGT/TSIR20NGT 20,000 Btu/hr MHBF30 N GT/TSBF30NGT 30,000 Btu/hr MHIR30NGT/TSIR30NGT 3[...]

  • Page 2

    2 Installation instructions and Owner’s Manual 70574 REV . C 8/05 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. *Aftermark[...]

  • Page 3

    Installation instructions and Owner’s Manual 3 Product Features Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor (ODS) safety shut off system. The ODS/pilot shut s off the heater if there is not enough fresh air . IGNITION SYSTEM PIEZO: BF10NG / IR10NG – The heater is equipped with a piezo manual ignitor . This sys[...]

  • Page 4

    4 Installation instructions and Owner’s Manual 70574 REV . C 8/05 *Adjoining rooms are communication only if there are doorless passageways or ventilation grills between them. DETERMINING THE TYPE OF HEA TER LOCA TION SP ACE: Use this method to determine if you have a confined or unconfined space. Note: the space includes the room in which you in[...]

  • Page 5

    Installation instructions and Owner’s Manual 5 Figure 3. V entilation from Outdoors If necessary provide extra fresh air by using ventilation grills or ducts. Connect these items directly to the outdoors or sp aces open to the out doors. These include attics* and crawl spaces. Follow the National Fuel Gas Code NFP A 54/ ANSI Z223.1, Section 5.3, [...]

  • Page 6

    6 Installation instructions and Owner’s Manual 70574 REV . C 8/05 Figure 4 F ASTENING HEA TER TO W ALL Mounting Bracket The mounting bracket in located on the back panel of heater (see figure 5). It has been taped there for ship- ping. Remove mounting bracket from back panel. Figure 5 Removing Front Panel of Heater 1. Remove three screws on botto[...]

  • Page 7

    Installation instructions and Owner’s Manual 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 . Figure 8. 3. Insert wall anchor (wings first) into hole. T ap anchor flush to wall. 4. For thin walls (1/2” or less) insert r[...]

  • Page 8

    8 Installation instructions and Owner’s Manual 70574 REV . C 8/05 W ARNING: 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[...]

  • Page 9

    Installation instructions and Owner’s Manual 9 Pressure T esting 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 . [...]

  • Page 10

    10 Installation instructions and Owner’s Manual 70574 REV . C 8/05 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[...]

  • Page 11

    Installation instructions and Owner’s Manual 11 TO TURN OFF GAS T O APPLIANCE SHUTTING OFF HEA TER: 1. T urn control knob clockwise to the OFF posi- tion. 2. T urn of f all electrical power to the appliance if servicing is to be preformed. 3. T urn of f equipment shutof f valve. SHUTTING OFF BURNER ONL Y (PILOT ST A YS LIT) 1. T urn control knob [...]

  • Page 12

    12 Installation instructions and Owner’s Manual 70574 REV . C 8/05 8. When the pilot is lit, turn control know counter- clockwise to heating level. The main burner should light. 9. T o select the desired heat level, turn the tem- perature setting knob counterclockwise to between 1 & 7. THERMOST A T CONTROL OPERA TION FOR IR20NGT / IR30NGT : T[...]

  • Page 13

    Installation instructions and Owner’s Manual 13 Figure 24b CLEANING AND MAINTENANCE W ARNING: T urn of f heater and let cool before servicing. CAUTION: Y ou 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. Heat[...]

  • Page 14

    14 Installation instructions and Owner’s Manual 70574 REV . C 8/05 TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. W ARNING: Only a qualified service person should service and rep air heater . CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot u[...]

  • Page 15

    Installation instructions and Owner’s Manual 15 TROUBLESHOOTING W ARNING: 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 you gas supplier from a neighbor ’s phone. Follow the gas supplier’s instructions. • If y[...]

  • Page 16

    16 Installation instructions and Owner’s Manual 70574 REV . C 8/05 SPECIFICA TIONS IR10NG IR20NGT IR30NGT BTU (Available) 10,000 20,000 30,000 T ype 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 W ater 4.5 Inches of W ater 6.0 Inches [...]

  • Page 17

    Installation instructions and Owner’s Manual 17 REPLACEMENT P ARTS Note: use only original replacement part s. This will protect you warranty coverage for p arts replaced under warranty . P ARTS UNDER W ARRANTY Contact authorized dealer from whom you purchased this product. If they are unable to supply original replacement part(s), call the numbe[...]

  • Page 18

    18 Installation instructions and Owner’s Manual 70574 REV . C 8/05 Thermostat models MHIR20NGT , MHIR30NGT , MHBF20NGT , MHBF30NGT , TSIR20NGT , TSIR30NGT , TSBF20NGT , TSBF30NGT 7 2 20-2 36 39 38 35 16 21 20-1 16-1 16-2 33-2 6 8 26 30 29 17 34 24 3-5 22-3 31-1 31-1 19 13 23 18 10 32 12 3-3 3-1 3-2 3-4 11 1-2 1-4 31-3 31-2 22-2 33-1 22-1 25 9 5 1[...]

  • Page 19

    Installation instructions and Owner’s Manual 19 P ARTS LIST Thermostat models MHIR20NGT , MHIR30NGT , MHBF20NGT , MHBF30NGT , TSIR20NGT , TSIR30NGT , TSBF20NGT , TSBF30NGT This list contains replacement p arts used in your heater . When ordering part s, follow the instructions listed under Replacement Parts on p age 17 of this manual. ITEM P AR T[...]

  • Page 20

    20 Installation instructions and Owner’s Manual 70574 REV . C 8/05 28-1 70670 — — --- Orifice, 20, IR 3 28-2 — 70671 — — Orifice, 20, BF 1 29 70683 70683 70683 70683 Fan 1 30 70684 70684 70684 70684 Fan motor 1 31-1 70685 70685 70685 70685 Fan Mounting Bracket 2 31-2 70686 70686 70686 70686 Fan V enturi 1 31-3 70687 70687 70687 70687 Fa[...]

  • Page 21

    Installation instructions and Owner’s Manual 21 NON-Thermostat models MHIR10NG , MHBF10NG , TSIR10NG , TSBF10NG 16-2 16-1 16 21 20-2 40 38 36 20-1 22-2 35 29-1 4 33-1 22-1 1-4 1-2 1-1 1-3 23 2 24 5 10 13 42 3-1 3-3 3-2 3-4 3-5 26 7 8 22-3 IR10NG 33-1 22-1 1-1 3-1 3-3 3-2 3-6 3-5 26 7 8 23 24 13 1-4 1-2 1-3 6 15 14 42 5 22-3 22-2 20-2 16-2 16-1 16[...]

  • Page 22

    22 Installation instructions and Owner’s Manual 70574 REV . C 8/05 P ARTS LIST Non-Thermostat model MHIR10NG , MHBF10NG , TSIR10NG , TSBF10NG This list contains replacement p arts used in your heater . When ordering part s, follow the instructions listed under Replacement Parts on page 17 of this manual. ITEM P ART NO. DESCRIPTION QTY . IR10NG BF[...]

  • Page 23

    Installation instructions and Owner’s Manual 23 36 70336 --- Bracket, Botto m, Plenum Assembly 1 38 70677 --- Burner Plaques, 10 2 40 70678 --- Plaque Gasket, 10 2 42 70337 70337 Control V alve Knob 1 * 70352 --- Right Burner gas tube 1 * 70353 --- Left burner gas tube 1 * 70354 70354 ODS Gas T ube Assembly 1 * 70355 70355 Regulator to Thermost a[...]

  • Page 24

    24 Installation instructions and Owner’s Manual 70574 REV . C 8/05 W ARRANTY INFORMA TION Keep this warranty Model ______________________ Serial No. ___________________ Date Purchased _______________ Always specify model and serial numbers when communication with the factory . We reserve the right to amend these specifications at any time without[...]