Mr. Heater MHVFBF30NGT - Manuals

Page 2 - Do not use any accessory not; CONTENTS; IGNITION SYSTEM BATTERY INSTALLATION

2 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent 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...

Page 3 - DANGER; Carbon Monoxide Poisoning:; safety shutoff system shuts down the heater if not; SPECIFICATIONS

3 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters 10. Always run heater with control knob in a locked position. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result if control knob is left between lo...

Page 4 - Figure 1; To install or replace battery unscrew the ignitor cap; THERMOSTATIC CONTROL; Installation must conform to local codes or in the; WARNING; windows and doors, and; Confined Space and Unconfined Space; The

4 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent 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 SY...

Page 5 - DETERMINING THE TYPE OF HEATER; You must provide additional fresh air. Your options

5 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters *Adjoining rooms are communication only if there are odorless passageways or ventilation grills between them. DETERMINING THE TYPE OF HEATER LOCATION SPACE: Use this method to determine if you have a confined ...

Page 6 - LOCATING HEATER; • In windy or drafty areas; Ventilation from Outdoors; Vent-free heaters add moisture to; INSTALLATION; Use only; THIS INSTALLATION REQUIRES:

6 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters *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. LOCATING HEATER This...

Page 7 - Figure 4; Maintain minimum clearances shown in; Figure 7

7 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters Figure 4 FASTENING HEATER TO WALLMounting 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. F...

Page 8 - Placing Heater on Mounting Bracket; FLOOR MOUNTING AWAY FROM WALL:

8 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent 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 figure 8 below. Figure 8. 3. Insert wall anchor (wings f...

Page 9 - natural gas; CHECKING GAS CONNECTIONS

9 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters 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. ...

Page 10 - If you do not follow these instructions; WHAT TO DO IF YOU SMELL GAS; Do not touch any electrical switch do not use; Pressure Testing Heater Gas Connections:; Operating Your Heater; ELECTRICAL WIRING DIAGRAM:

10 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters Equipment Shutoff Valve Open Closed Figure 15 WARNING: Electrical Grounding Instructions: This heater is equipped with a three-prong (grounding) plug for your protection against shock hazard and should be plu...

Page 11 - The thermostatic control

11 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters THERMOSTAT CONTROL OPERATION FOR IR20NGT / IR30NGT: The thermostatic control used simply turns on and off the burner. FOR BF20NGT / BF30NGT: The thermostatic control used modulates the flame size as the tempe...

Page 12 - CLEANING HEATER CABINET; clean; CLEANING ODS/PILOT AND BURNER; Pilot Air Inlet Hole

12 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly. To clean the pilot assembly find the small pilot air inlet hole about two inches from where the pilot flame comes out of the pilo...

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Page 14 - TROUBLESHOOTING

14 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters OBSERVED SYMPTOM 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 ...

Page 17 - MHVFR30TB NG, MHVFR30T NG • PARTS LIST; under Replacement Parts on page 20 of this manual.

17 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters For all models, Equipment shutoff valve with 1/8” NPT tap. MHVFB20TB NG, MHVFB20T NG, MHVFB30TB NG, MHVFB30T NG, MHVFR20TB NG, MHVFR20TNG, MHVFR30TB NG, MHVFR30T NG • PARTS LIST This list contains replacement...

Page 18 - ** Not sold separately – Must purchase Assembly

18 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters ITEM PART NO. DESCRIPTION QTY. MHFR20 NG MHVFB20 NG MHFR30 NG MHFB30 NG 38 -- – -- – Burner Plaques, 30 4 39 -- – -- – Burner Plaques, 20 3 40 -- – -- – Plaques Gasket, 30 4 41 -- – -- – Plaques Gasket, 20 3 ...

Page 20 - REPLACEMENT PARTS ORDERING INFORMATION:; Accessories may be purchased at any Mr. Heater local dealer or; FOR INFORMATION REGARDING SERVICE; OPERATING INSTRUCTIONS; READ INSTRUCTIONS CAREFULLY:; Read and follow all instructions. Place instructions in a safe

20 Installation Instructions and Owner’s Manual Unvented Natural Gas Vent Free Room Heaters Mr. Heater, Inc. reserves the right to make changes at any time, without notice or obligation, in colors, specifications, accessories, materials and models. WARNING: USE ONLY MANUFACTURER’S REPLACEMENT PARTS....