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Enerco MHVFB20LPT manual

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Table of contents for the manual

  • Page 1

    MR. HEA TER, INC., 4 560 W . 1 60 TH ST ., CLEVEL AND, OHIO 44 1 3 5 · 2 1 6-9 1 6-3000 W ARNING: If the information in this manual is not followed exactly , a re or explosion may result causing property damage, personal injury , or loss of life. - Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or an[...]

  • Page 2

    2 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters 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 a[...]

  • Page 3

    3 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters 9. Operating heater above elevations of 4,500 feet could cause pilot/ODS to shutdown heater . 10. Always run heater with control knob in a locked po - sition. Never set control knob between locked posi - tions. Poor combustion and higher levels of carbon mono[...]

  • Page 4

    4 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters Product Features Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sen - sor (ODS) safety shut off system. The ODS/pilot shuts off the heater if there is not enough fresh air . IGNITION SYSTEM – The heater is equipped with an electroni[...]

  • Page 5

    5 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters *Adjoining rooms are communication only if there are doorless passageways or ventilation grills be - tween them. DETERMINING THE TYPE OF HEA TER LOCA TION SP ACE: Use this method to determine if you have a conned or unconned space. Note: the space inclu[...]

  • Page 6

    6 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters *A CSA/AGA certied equipment shutoff valve with 1/8” NPT tap is an acceptable alternative to test gauge connection. Purchase a CSA/AGA certied equipment shutoff valve from your dealer . LOCA TING HEA TER This heater is designed to be mounted on the wa[...]

  • Page 7

    7 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters Figure 4 F ASTENING HEA TER TO W ALL Mounting Bracket The mounting bracket in located on the back panel of heater (see gure 5). It has been taped there for ship - ping. Remove mounting bracket from back panel. Figure 5 Removing Front Panel of Heater 1. Rem[...]

  • Page 8

    8 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters 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 gure 8 below . Figure 8. 3. Insert wall anchor (wings rst) into hole. T ap anchor ush to wall[...]

  • Page 9

    9 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters W ARNING: This appliance requires a 3/8” NPT (National Pipe Thread) inlet connection to the pressure regulator . Use of oor mounting feet will require you to use a 3/8 NPT street elbow to make gas connection. CAUTION: Never conne ct heater directly to th[...]

  • Page 10

    10 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters Equipment Shutoff V alve Open Closed Figure 15 ELECTRICAL WIRING DIAGRAM: If any original wiring as supplied with the heater must be replaced, it must be replaced with type A WG 105 o C wire or its equivalent except as indicated. W ARNING: Electrical Groundi[...]

  • Page 11

    11 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters 9. T o select the desired heat level, turn the temperature setting knob counterclockwise to between 1 & 5. THERMOST A T CONTROL OPERA TION FOR IR20LPT / IR30LPT : The thermostatic control used simply turns on and off the burner . FOR BF20LPT / BF30LPT : [...]

  • Page 12

    12 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters A yellow tip on the pilot ame indicates dust and dirt in the pilot assembly . T o clean the pilot assembly nd the small pilot air inlet hole about two inches from where the pilot ame comes out of the pilot assembly (see gure 25). With the unit of[...]

  • Page 13

    13 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters This page intentionally left blank.[...]

  • Page 14

    14 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters OBSERVED SYMPT OM POSSIBLE CAUSE REMEDY When ignitor button is pressed in, there is no spark at pilot 1. Ignitor electrode positioned wrong. 2. Ignitor electrode is broken. 3. Ignitor electrode not connected to ignitor . 4. Ignitor cable pinched or wet. 5. B[...]

  • Page 15

    15 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters Burner does not light after ODS/pilot is lit 1. Burner orice is clogged 2. Burner orice diameter to small 3. Inlet gas pressure is too low 1. Clean burner orice (see Cleaning and Maintenance on page 1 1), or replace burner orice 2. Replace burner[...]

  • Page 16

    16 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters IR20LPT IR30LPT BF20LPT BF30LPT 7 2 36 39 38 35 16 21 16-1 16-2 6 26 29 24 22-3 13 23 18 3 11 1-2 1-4 22-2 33-1 22-1 25 9 5 1-3 1-1 27-1 28-1 4 44 42 45 8 20 10 15 14 42 9 7 26 22-3 22-1 33-1 1-4 3 6 11 45 4 16 2 27-2 28-2 44 13 23 1-2 1-3 5 29 24 1-1 25 22-[...]

  • Page 17

    17 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters For all models, Equipment shutoff valve with 1/8” NPT tap. IR20LPT , IR30LPT , BF20LPT , BF30LPT , BF20LPT , BF30LPT • P ARTS LIST This list contains replacement parts used in your heater . When ordering parts, follow the instructions listed under Replac[...]

  • Page 18

    18 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters ITEM P ART NO. DESCRIPTION QTY . IR20LPT BF20LPT IR30LPT BF30LPT 37 – – – – – – 38 70677 – 70677 – Burner Plaques, 30 4 39 70677 – 70677 – Burner Plaques, 20 3 40 70678 – 70678 – Plaques Gasket, 30 4 41 70678 – 70678 – Plaques Gas[...]

  • Page 19

    19 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters This page intentionally left blank.[...]

  • Page 20

    20 Installation Instructions and Owner ’ s Manual Unvented LP-Gas V ent Free Room Heaters Model # Start Serial# MHVFR2 0LPT 7 05 5 500 1 7 088 HSVFR2 0LPT 7 0 5 5 500 1 7 088 TSVFR2 0LPT 7 05 5 500 1 7 088 MHVFR30LPT 7 0 56 500 299 5 1 HSVFR30LPT 7 0 56 500 299 5 1 TSVFR30LPT 7 05 6 500 2 995 1 MHVFB2 0LPT 7 05 2 500 22 5 2 7 HSVFB2 0LPT 7 0 5 2 [...]