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Hearth & Home HHSTDF26I User's Manual And Operating Instructions

Vent-free dual fuel gas stove heater
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WARNING
This appliance is equipped
for (Natural or Propane)
gas. Field conversion is
not permitted other than
between natural or
propane gases.
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:
•
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.
•
Installation and service must be performed by a qualified installer, service agency, or the gas supplier.
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 the AIR FOR COMBUSTION
AND VENTILATION section on page 8 of this manual.
This appliance may be installed in an aftermarket, permanently located, manufactured (mobile)
home, where not prohibited by local codes. This appliance is only for use with propane or natural
gas. This appliance is equipped with a simple means to switch between propane and natural gas.
Field conversion by any other means including the use of a kit is not permitted.
!
CAUTION —FOR YOUR SAFETY
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
VENT-FREE DUAL FUEL
GAS STOVE HEATER
User's Manual and Operating Instructions
Model:
HHSTDF26I
Patent
Dual Fuel Technology
ANS Z21.11.2-2019
HH2102DFS, 210406

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  • Page 1 VENT-FREE DUAL FUEL GAS STOVE HEATER User’s Manual and Operating Instructions Model: HHSTDF26I Patent WARNING Dual Fuel Technology This appliance is equipped for (Natural or Propane) gas. Field conversion is not permitted other than between natural or propane gases. CAUTION —FOR YOUR SAFETY ANS Z21.11.2-2019...

  • Page 2: Table Of Contents

    Table of Contents Specifications ......................................2 Safety Information ....................................3 Product Identification ..................................6 General Preparation ................................... 7 Preparing for Installation .................................. 8 Installation ......................................11 Log Placement .....................................21 Operation ......................................22 Care and Maintenance ..................................25 Troubleshooting Guide ..................................27 Parts List .........................................30 Limited Warranty ....................................31 Specifications WARNING...

  • Page 3: Safety Information

    Safety Information WARNING WARNING FIRE, EXPOLSION, AND ASPHYXIATION HAZARD Improper adjustment, alteration, service, maintenance, or installation of this heater or its controls can cause death or serious injury. Read the following instructions and precautions in User's Information Manual provided with this heater.
  • Page 4 Safety Information (cont.) WARNING: • Any safety screen or guard removed for servicing an appliance must be replaced prior to operating the heater. • Any change to this heater or its controls can be dangerous. • Do not use a blower insert, heat exchanger insert or other accessory not approved for use with this heater. •...
  • Page 5 Safety Information (cont.) QUALIFIED INSTALLING AGENCY: Only a qualified agency should install and replace gas piping, gas utilization equipment, or accessories, and/or repair and service such equipment. “Qualified agency” means any entity that either in person or through a representative is engaged in and is responsible for: •...

  • Page 6: Product Identification

    Product Identification Model: HHSTDF26I DUAL FUEL CAPABILITY The heater is equipped to operate on either propane or natural gas. The heater is shipped from the factory ready for connecting to propane. The heater can easily be changed to natural gas by having your qualified installer follow the instructions on page 17 and the markings on the heater.

  • Page 7: General Preparation

    General Preparation LOCAL CODES Install and use the heater with care. Follow all local codes. The installation must conform with local codes or, In the absence of local codes, with the latest edition of The National Fuel Gas Code, ANS Z223.1/NFPA 54*. *Available from: American National Standard Institute, Inc.

  • Page 8: Preparing For Installation

    Preparing for Installation WATER VAPOR IS A BY-PRODUCT OF UNVENTED ROOM HEATERS Gas combustion creates water vapor as a by-product. Unvented room heaters create about one (1) ounce (30 ml) of water for every 1,000 BTUs (0.3 kW) of gas input per hour. An unvented room heater is recommended as a supplemental heat source for a single room rather than as a primary heat source for an entire house.
  • Page 9 Preparing for Installation (cont.) DETERMINING FRESH-AIR FLOW FOR THE HEATER LOCATION Determining if You Have a Confined or Unconfined Space: Use the below information to determine if you have a confined or unconfined space. Your space includes the room in which you will install the heater plus any other rooms that are directly connected and have doorless passageways or ventilation grills between the rooms.
  • Page 10 Preparing for Installation (cont.) If the area in where the heater operates does not meet the required volume for WARNING indoor combustion air, you must provide combustion and ventilation air by one of the methods described in the NATIONAL FUEL GAS CODE, ANS Z223.1/NFPA 54, the INTERNATIONAL FUEL GAS CODE, or applicable local codes.

  • Page 11: Installation

    Installation NOTICE: This heater is intended to be used as a supplemental heating source. Use this heater along with your primary heating system. This heater must not be used as a primary heat source. If you have a central heating system, you may run that system’s circulating blower while using this heater. This helps to circulate the heat around your house.
  • Page 12 Installation (cont.) HEATER CLEARANCES For convenience and efficiency, install the heater with these points in mind: • Provide easy access for operation, inspection and service. • Install the heater in the coldest part of the room. If this heater is installed directly on carpeting, tile, or other combustible material, other than wood flooring, the heater must be installed on a metal or wood panel that extends the heater’s full width and depth.
  • Page 13 Installation (cont.) POSITIONING THE HEATER This heater sets on the floor by using the Support Legs included. For convenience and efficiency, install the heater as follows: • In a location with easy access for operation, inspection, and service. • In the coldest part of the room. •...
  • Page 14 Installation (cont.) INSTALLING THE HHFAN100 BLOWER (OPTIONAL) Fig. 5—Grounded Three-Prong Receptacle Electrical grounding instructions: This appliance is WARNING equipped with a three-prong (grounding) plug for your protection against shock hazard and should be plugged directly into a properly grounded three-prong receptacle (See Fig. 5). Disconnect heater from the gas supply before installing the fan Fig.
  • Page 15 Installation (cont.) INSTALLING THE BLOWER (OPTIONAL) - continued 4. Route wire harness through channel in the back corner of the stove. There are two observation ports on the back of the stove to assist in routing the wire harness. Before securing blower assembly to the stove, put a wire clip on wire harness and snap into the inside of the stove back panel.
  • Page 16 Installation (cont.) INSTALLING THE BLOWER (OPTIONAL) - continued Fig. 11—Installing Switch and securing wires 6. Snap Switch into opening in control panel, making sure to position the Auto function on top. Wire clips and a cable tie are provided to help keep the wire harness away from the hot firebox and burner (see Fig.
  • Page 17 Installation (cont.) GAS SELECTION INSTRUCTIONS WARNING: This appliance can be used with propane or natural gas. It is shipped from the factory adjusted for use with propane. CAUTION: The knob to the gas selection means shall not be accessed or adjusted while the appliance is in operation.
  • Page 18 Installation (cont.) CONNECTING TO A GAS SUPPLY WARNING A qualified service technician must connect heater to gas supply. Follow all local codes. Never connect the heater to private/non-utility gas wells (commonly known as WARNING wellhead gas). CAUTION Never connect the heater directly to the gas supply. This heater requires an external regulator (not supplied).
  • Page 19 Installation (cont.) CAUTION Use pipe joint sealant that is resistant to gas (propane or NG). We recommend that you install a sediment trap in a supply line, which traps moisture and contaminants. The sediment trap should be located within reach for cleaning and where it is not likely to freeze. Install it in the piping system between the fuel supply and heater.
  • Page 20 Installation (cont.) CHECKING GAS CONNECTIONS After installing or servicing the heater, test all gas piping and connections for leaks. WARNING Immediately correct all leaks. Never use an open flame to check for a leak. Apply a mixture of liquid soap and water WARNING to all joints—bubbles may indicate a leak.

  • Page 21: Log Placement

    Log Placement Failure to position the parts in accordance with these diagrams or failure to use only parts WARNING specifically approved with this heater may result in property damage or personal injury. Number of Logs: 5 Check to ensure that no yellow flame comes in CAUTION contact with any log, both after installation and periodically afterwards.

  • Page 22: Operation

    Operation FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result WARNING causing property damage, personal injury or loss of life. A. This appliance has a pilot that must be lighted by the piezo ignitor. When lighting the pilot, follow these instructions exactly.
  • Page 23 Operation (cont.) LIGHTING INSTRUCTIONS 1. STOP! Read all the above safety information before proceeding. Fig. 22 Control Knob 2. Open the Lower Access Panel located below the heater screen. Turn the control knob clockwise to the “OFF” position (see Fig. 22). 4.
  • Page 24 Operation (cont.) INSPECTING BURNERS Check the pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.

  • Page 25: Care And Maintenance

    Care and Maintenance BURNER FLAME PATTERN Figure 26 shows a correct burner flame pattern. Figure 27 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows sporadic, irregular flame tipping. The flame should not be dark or have an orange/reddish tinge. NOTE: When using the heater the first time, the flame will be orange for approximately one hour.
  • Page 26 Care and Maintenance (cont.) 1. Shut off the heater, including the pilot. Allow the heater to cool for at least 30 minutes. 2. Inspect the burner, pilot, and primary air inlet holes on the orifice holder for dirt and debris (see Fig. 28). 3.

  • Page 27: Troubleshooting Guide

    Troubleshooting Guide WARNING If you smell gas, do the following: • Shut off gas suppl . • 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. •...
  • Page 28 Troubleshooting Guide (cont.) Problem Possible Cause Solution 1. Control knob is not fully pressed in. 1. Press in control knob fully. 2. Control knob is not pressed in 2. After ODS/pilot lights, keep control knob pressed long enough. in 30 seconds. ODS/pilot lights but 3.
  • Page 29 Troubleshooting Guide (cont.) Problem Possible Cause Solution White powder 1. When heated, the vapors from 1. Turn heater off when using furniture polish, wax, carpet cleaner or similar products. residue is forming furniture polish, wax, carpet within burner box or cleaners, etc.

  • Page 30: Parts List

    Parts List For replacement parts, contact Hearth & Home Dynamics at 1-888-534-1578. Vent-Free Gas Stove User’s Manual...

  • Page 31: Limited Warranty

    WARRANTY KEEP THIS WARRANTY Always specify model and serial numbers when communicating with customer service. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. LIMITED WARRANTY HEARTH &...

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