kozy heat TMT-3875 Installation And Operating Manual
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kozy heat TMT-3875 Installation And Operating Manual

kozy heat TMT-3875 Installation And Operating Manual

Direct vent gas fireplace
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Download this manual See also: Operation & Installation Manual, Installation Manual
TRIMONT
Direct Vent Gas Fireplace
MODELS:
#TMT-3875
#TMT-3875-RF
INSTALLATION AND
OPERATING MANUAL
See-Thru Model
US Patent #6004493
IMPORTANT:
READ INSTRUCTIONS CAREFULLY BEFORE INSTALLATION.
FAILURE TO INSTALL THIS FIREPLACE CORRECTLY CAN
CAUSE SERIOUS STRUCTURAL AND FIRE HAZARDS AND
MAY VOID YOUR WARRANTY
Report #216-F-13-5
WARNING: If the information in these instructions
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 electrical switches; do not use the
phone in your building.
‚ Immediately call your gas supplier from a
neighbor's phone. Follow your gas supplier's
instructions.
‚ If you cannot reach your gas supplier, call the fire
department.
Installation & service must be performed by a qualified
installer, service agency, or the gas supplier.
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 the type(s) of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases, unless a certified kit
is used. An LP Gas conversion kit is included with this
fireplace.
.
Shown with optional
Pier Conversion kit
www.kozyheat.com
:
May 2007

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Summary of Contents for kozy heat TMT-3875

  • Page 1 Direct Vent Gas Fireplace WHAT TO DO IF YOU SMELL GAS MODELS: #TMT-3875 ‚ Do not try to light any appliance. #TMT-3875-RF ‚ Do not touch electrical switches; do not use the phone in your building.

  • Page 2: Table Of Contents

    Model #TMT-3875 ........

  • Page 3: Safety Requirements / Specifications

    Location of fireplace. ‚ Configuration of vent system. Gas piping. ‚ ‚ Electrical wiring - Model #TMT-3875-RF, optional for Model #TMT-3875. ‚ Framing. Hearth height, width & depth. NOTE: A hearth is not required. ‚ ‚ Materials used for finishing the fireplace.

  • Page 4: Specifications

    SPECIFICATIONS Height ......34 ½" (876 mm) Height to top of stand-off ... . 46" (1168 mm) Width .

  • Page 5: Minimum Clearances

    INSTALLATION REQUIREMENTS: CLEARANCE TO COMBUSTIBLES: From face top*: 11 ½” Floor to ceiling : 68" From vented / non-vented ends: 1 ¾" Side to adjacent sidewall: 1¾” From full door face sides: ¼" Side trim: 1" Bottom to flooring: 0" Top to 3/4"...

  • Page 6: Venting Requirements

    Sides & Bottom: 1" IMPORTANT: THE KOZY HEAT WALL THIMBLE PASS-THRU, PART #800-WPT MUST BE USED ON ALL HORIZONTAL VENT RUNS. THE MINIMUM WALL THICKNESS FOR THIS PASS- THRU IS 4 ½" AND THE MAXIMUM WALL THICKNESS IS 7 ½".

  • Page 7: Minimum / Maximum Venting Requirements

    VENTING SPECIFICATIONS: IMPORTANT: Flame height and appearance will vary depending upon venting configuration and type of fuel used. Venting requirements apply to both Natural Gas & LP Gas. HORIZONTAL TERMINATIONS: IMPORTANT: The horizontal heat shield included with this fireplace must be installed when using a 90° elbow directly on the collars of the fireplace to horizontally position the vent system.

  • Page 8: Horizontal Venting

    HORIZONTAL VENTING IMP0RTANT: THE KOZY HEAT WALL PASS-THRU, PART #800-WPT, MUST BE USED ON ALL HORIZONTAL VENT RUNS. THE MINIMUM WALL THICKNESS FOR THIS PASS-THRU IS 4 ½" AND THE MAXIMUM WALL THICKNESS IS 7 ½". Minimum Horizontal Venting NOTE: The horizontal vent shield (not shown for clarity) must be installed when using a 90° elbow directly on the fireplace to horizontally position the vent system.

  • Page 9: Termination Cap Location

    TERMINATION VENT CAP LOCATION: This gas appliance must not be connected to a chimney flue serving another type of appliance. GENERAL: Terminations against vinyl siding must use a vinyl siding protector. Follow instructions included. DO NOT RECESS TERMINATION KIT INTO OUTSIDE BUILDING MATERIALS - i.e.: brick, stone, siding, etc.. If necessary, extend framing so that termination kit will be exposed once building materials are installed.

  • Page 10: Vertical Venting

    WHEN VERTICALLY TERMINATING, FOLLOW THE VENT SYSTEM INSTALLATION INSTRUCTIONS TO DETERMINE THE MINIMUM CHIMNEY HEIGHT ABOVE THE ROOF LINE. CAUTION: This gas appliance must not be connected to or joined with any chimney flue serving any other appliance. Figure 6 NOTE: Horizontal Vent Heat shield is not used on vertical venting configurations.

  • Page 11: Determine Location

    IMPORTANT: The horizontal vent heat shield must be sections must be maintained. installed when using a 90° elbow to horizontally position the vent system or when using the #800 series Kozy Heat flexible NOTE: A restrictor, (included), is required for all vertical vent system for horizontal terminations.

  • Page 12: Rough-In Dimensions

    Rough in the wall enclosure. Figures 7B & 7C. IMPORTANT: The top header must be installed in the upright position to Figure 7B maintain the ‘non-combustible’ zone requirements. The rough opening depth may be reduced to a minimum of 19" only. IMPORTANT: Framing dimensions should allow for wall covering thickness and fireplace facing materials.

  • Page 13: Prepare The Fireplace

    PREPARE THE FIREPLACE STAND-OFF ASSEMBLY & INSTALLATION - Figure 8. The top stand-off brackets must be formed and correctly positioned prior to positioning the fireplace into the framed opening. The top stand-off brackets are attached to the top of the fireplace in a flat form when the fireplace is shipped. Remove the screw securing each stand-off bracket and remove from the fireplace.

  • Page 14: Remove The Glass Assembly

    4 ½" and the maximum wall thickness is 7 ½". IMPORTANT: If using the Kozy Heat #800 series flexible vent system, use a tin snips to remove the inner ring on each wall thimble section. This will provide adequate room for the flexible vent system to be installed.

  • Page 15: Horizontal Heat Shield Installation

    HORIZONTAL HEAT SHIELD INSTALLATION: The horizontal heat shield, included with this fireplace, must be installed when a 90° elbow is installed directly to the top of the fireplace. Remove center Remove the center insulation section from the insulation for horizontal fireplace top.
  • Page 16 Using your extension kit pieces, place a bead of sealant outside the 5" flex pipe collar - the end with the EXTERNAL lip - and slide it inside the 5" pipe on top of the fireplace. Secure with 3 additional evenly spaced screws. Place a bead of sealant inside the 8"...

  • Page 17: Fan Installation

    MODEL #TMT-3875 ONLY: OPTIONAL FAN KIT INSTALLATION INSTRUCTIONS NSTALLATION OF THIS FAN SHOULD BE DONE ONLY BY A QUALIFIED INSTALLER NOTE: The wiring must be done prior to enclosing the sides of the fireplace. An electrical box and romex connector are pre- installed on a removable panel on the vented end of the fireplace.

  • Page 18: Installation Instructions

    INSTALLATION INSTRUCTIONS THE FOLLOWING COMPONENTS MUST BE REMOVED FROM THE VALVE SIDE OF THE FIREPLACE PRIOR TO INSTALLATION OF THIS FAN. REFER TO THE CORRESPONDING PAGES IN THIS INSTALLATION MANUAL FOR ASSISTANCE IF NECESSARY. Upper hood, upper louver & lower grill, if installed. Refer to page #25 if necessary.

  • Page 19: Model #Tmt-3875-Rf

    MODEL #TMT-3875-RF ONLY: FAN INSTRUCTIONS NSTALLATION OF THIS FAN WIRING SHOULD BE DONE ONLY BY A QUALIFIED INSTALLER IMPORTANT: A fan assembly is pre-installed and wired to the RF gas valve in the Model #TMT-RF. The wiring must be done prior to enclosing the sides of the fireplace. An electrical box & romex connector are pre- installed on a removable panel on the vented end of the fireplace.

  • Page 20: Gas Line Specifications

    The minimum inlet gas supply pressure: 5.0 inches W.C. ( 7.0 inches W.C. recommended) The maximum inlet gas supply pressure: 10.5 inches W.C. Model #TMT-3875-RF: Manifold pressure: 3.5 inches W.C. Manifold pressure (lo setting): 1.7 inches W.C. Orifice size: #29 Input: 47,000 BTU/hr.

  • Page 21: Secure The Millivolt Board

    Pressure check taps for both the manifold (outgoing) & inlet (incoming) pressures are located in front of the gas valve. The left pressure tap is the manifold pressure and the right pressure tap is the incoming pressure. Follow instructions on page #28 for Model #TMT-3875 and page #31 for Model #TMT-3875-RF for checking these pressures.

  • Page 22: Pier Conversion Kit Installation

    PIER CONVERSION Pier Model Installations: This kit includes: Referring to the non-vented end of the fireplace: 1. Remove the screws and top piece as shown in Figure 16A below. 2. Lift the end panel up and off the pem studs as the top & bottom. 3.

  • Page 23: Log Installation

    LOG INSTALLATION The TMT-500 log set includes 13 logs and 1 pkg. rock wool burning embers. The logs are numbered on the bottom side - refer to the instructions below for proper placement. Position base logs #TM1, #TM2, & #TM3 onto the burner, aligning the mounting holes in the bottom of the logs to the mounting studs in the burner cover.

  • Page 24: Thermostat - Wall Switch - Remote Control Installation

    MODEL #TMT-3875: THERMOSTAT - WALL SWITCH - REMOTE INSTALLATION CAUTION: DO NOT CONNECT HIGH VOLTAGE (115V) WIRE TO THE GAS VALVE! If desired, a thermostat (wireless style available), wall switch, or remote control assembly may be used to turn the fireplace ‘OFF’...

  • Page 25: Complete The Installation

    A) Perform lighting and shutdown procedures as described on pages #26-#27 for Model #TMT-3875 and pages #29-#30 for Model #TMT-3875-RF. This should be done prior to re-installing the glass so that any necessary adjustments can be made and proper operation verified.
  • Page 26 4. SEASONAL HEAT DUMP POSITION: This fireplace has been designed with an adjustable heat dump outlet located in the baffle inside the fireplace (at the top). This will allow infinite control over the amount of heat emitted into the living area without affecting the flame height. INSTALLER: PLEASE INSTALL THIS FIREPLACE WITH THE ADJUSTABLE HEAT OUTLET DUMP IN ITS CLOSED POSITION.
  • Page 27 6. Upper louver, Hood & Lower Grill Installation - Refer to Figures 20A & 20B. A) Align the hooks in the upper louver (A) to the slots located in the face of the fireplace and set down into position. Figure 20A. Figure 20A B) Insert the flange at the top of the upper hood (B) into the clips located in the top of the upper air passage.

  • Page 28: Model #Tmt-3875 Lighting & Shutdown

    MODEL #TMT-3875: LIGHTING AND SHUTDOWN PROCEDURES NOTE: Prior to lighting, check all fittings for leakage. This is accomplished by applying soapy water on all connections made. If there is any leakage, bubbles will appear at the point of connection. If bubbles occur, tighten the fittings until the bubbles no longer appear.
  • Page 29 Push in the control knob all the way and hold in. Press the square piezo igniter button (B). The pilot will generally light with two or three pushes on the igniter. Hold the knob in for about one (1) minute after the pilot is lit. Release knob and it will pop back out.

  • Page 30: Manifold & Incoming Pressure Check Procedures

    MODEL #TMT-3875: PRESSURE TEST - MANIFOLD & INLET PRESSURE IMPORTANT NOTICE: A pressure check tap for both the manifold (outgoing) and inlet (incoming) pressure has been incorporated into the valve by S.I.T. Controls. The left pressure tap is the manifold pressure and the right pressure tap measures the incoming pressure.

  • Page 31: Model #Tmt-3875-Rf Lighting & Shutdown

    MODEL #TMT-3875-RF: LIGHTING AND SHUTDOWN PROCEDURES NOTE: Prior to lighting, check all fittings for leakage using a gas leak detector. IMPORTANT: TEST ALL CONNECTIONS WHETHER FIELD OR FACTORY MADE. NOTE: The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of ½...
  • Page 32 *If knob does not pop out when released, stop and immediately call your service technician or gas supplier. *If the pilot will not stay lit after several tries, turn the gas control knob to "OFF" and call your service technician or gas supplier. Push the control knob on the gas valve in slightly and turn counterclockwise to the "ON"...

  • Page 33: Manifold & Incoming Pressure Check Procedures

    MODEL #TMT-3875-RF: PRESSURE TEST - MANIFOLD & INLET PRESSURE IMPORTANT NOTICE: A pressure check tap for both the manifold (outgoing) and inlet (incoming) pressure has been incorporated into the valve by HONEYWELL Controls. The left pressure tap is the manifold pressure and the right pressure tap measures the incoming pressure.

  • Page 34: Cleaning & Maintenance Requirements

    It is imperative that the burner be cleaned once a year. The fan should be disconnected from electrical current, and cleaned (vacuumed) every six months. The bearings #TMT-3875 #TMT-3875-RF Pilot Pilot are sealed and require no oiling.

  • Page 35: Millivolt Board Removal / Installation

    Model: #TMT-3875: Disconnect any wall switch, remote control or thermostat wires from the top & bottom terminals on the gas valve. Model: #TMT-3875-RF: Unplug the fan cord from the receptacle, then disconnect the (2) wires from the fan cord. Note the wires will remain connected to the back of the gas valve.
  • Page 36 9. Re-install the log set referring to page #21 of this installation manual. 10. Connect the flexible gas line to the manual shut-off valve. 11. Model #TMT-3875: Re-connect any wall switch, remote control or thermostat wires onto the top & bottom terminals on the gas valve marked ‘TH’.

  • Page 37: Trouble Shooting Guide

    (or Generator - RF valve). burning on generator(s) and thermocouple (Model #TMT-3875). Refractory panel(s) not positioned against Secure refractory panel(s) with high-temp firebox. sealant. WIRING DIAGRAM MODEL #TMT-3875 PIEZO WIRE Figure 26 GENERATOR ON/OFF ROCKER SWITCH WIRES FRONT VIEW SIDE VIEW...
  • Page 38 Generator is not producing enough Replace generator. millivolts to operate burner. Model #TMT-3875: Wall switch, remote control Connect properly or disconnect or thermostat not connected properly and use on/off switch only. or turned to wrong setting. See Figures 18A &...

  • Page 39: Replacement Parts Lists

    REPLACEMENT PARTS Replacement parts are available through your local dealer. Contact them for availability and pricing. MILLIVOLT BOARD AND PARTS - Model #TMT-3875 TMT-770 Trimont Millivolt Board - Natural Gas 700-203 Manual Shut off Valve TMT-771 Trimont Millivolt Board - LP Gas 700-213B 18"...
  • Page 40 Page 38...

  • Page 41: Warranty Policy

    LIFETIME WARRANTY IS EXTENDED AS FOLLOWS: Hussong Manufacturing warranties to the original purchaser that the firebox, heat exchanger, fiber logs, burner tube and glass of this Kozy Heat fireplace will not be defective in material or workmanship under normal use and service for as long as you own this product.

This manual is also suitable for:

Tmt-3875-rf

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