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S L AY TO N 4 2 S
INSTALLATION AND OPERATION MANUAL
Model #SLA-42S
Direct Vent Gas Fireplace
English and French installation manuals are available through your local
dealer. Visit our website www.kozyheat.com.
Les manuels d'installation en français et en anglais sont disponibles chez
votre détaillant local. Visitez www.kozyheat.com.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
result in serious injury, death, or property
damage.
ͷ Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
ͷ 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.
• Leave the building immediately.
• 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.
ͷ Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
Hussong Mfg. Co., Inc.
SLA-42S Report No: 19-505
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
This appliance may be installed in an
aftermarket,
manufactured home (USA only) or 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 other
gases, unless a certified kit is used.
DANGER
A barrier designed to reduce the risk of burns
from the hot viewing glass is provided with this
appliance and shall be installed for the protection
of children and other at-risk individuals.
permanently
located,
HOT GLASS WILL
CAUSE BURNS
DO NOT TOUCH GLASS
UNTIL COOLED
NEVER ALLOW CHILDREN
TO TOUCH GLASS
Rev. 10, March 2022
Starting Serial Number: 22 068529 12
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Summary of Contents for kozy heat SLAYTON 42S
- Page 1 S L AY TO N 4 2 S INSTALLATION AND OPERATION MANUAL Model #SLA-42S Direct Vent Gas Fireplace English and French installation manuals are available through your local dealer. Visit our website www.kozyheat.com. Les manuels d’installation en français et en anglais sont disponibles chez votre détaillant local.
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Page 3: Homeowner Reference Information
Read this manual before installation or operating this appliance. Please retain this owner’s manual for future reference. CONG R ATU L ATI ONS ! We welcome you as a new owner of a Kozy Heat gas fireplace. Kozy Heat products are designed with superior components and materials, and assembled by trained craftsmen who take pride in their work. -
Page 5: Table Of Contents
7.2 Venting Requirements ................29 7.3 Vent Restriction ................... 30 7.4 Vent Heat Shield Assembly Installation..........31 7.5 Vent Installation ..................32 7.6 #800-1 Series Direct Vent Termination Kit(s) ........37 #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 7: Introduction
Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified. #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 8: Specifications
Verify the household breaker is shut off prior to working on any electrical lines. • The AC power supply to this appliance must be hot at all times and shall not have a switch installed in it. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 9: Appliance Dimensions
⁄ ” (246mm) ⁄ ” ¼ ¼ ” ” (256mm) (133mm) (133mm) ⁄ ” (206mm) 50” ¼ ” Electrical access (1271mm) (57mm) ¼ ” (1404mm) FIGURE 2.1 SLA-42S Dimensions #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 10: Safety Barrier Dimensions
(665mm) (667mm) (87mm) ⁄ ” (82mm) ⁄ ⁄ ” ” (1316mm) (1325mm) ⁄ ” ⁄ SL42-RSFS ” (543mm) (24mm) ¼ ” FINISHING (1200mm) EDGE FIGURE 2.2 Safety Barrier Dimensions #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 11: Framing
• This fireplace may be installed in a bedroom. • Please be aware of the large amount of heat this fireplace will produce when determining a location. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 12: Stand-Off Assembly And Installation
Form secondary heat shield and attach to top stand-off brackets using (4) screws provided in the fireplace component packet. FIGURE 3.1 Stand-off Assembly and Installation #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 13: Nailing Flange Assembly And Installation
NAILING FLANGE INSTALLED NAILING FLANGE INSTALLED TOP VIEW FRONT VIEW FRAMING STUD ½ ” (64mm) STAND-OFF FLANGE NAILING FLANGE CLEARANCE FRAMING STUD NAILING FLANGE FIGURE 3.2 Nailing Flange Installation #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 14: Clearances To Combustibles
(1403mm) TYPICAL CORNER INSTALLATION ⁄ ” (670mm) ⁄ ” (1178mm) ⁄ ” ¼ ⁄ ” ” (2358mm) 4” (1403mm) (1667mm) (102mm) ½ ” (13mm) FIGURE 3.3 Typical Install Options #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 15: Rough Framing
If replace face is to be ush with the wall surface, subtract 1/2” (13mm) (typical non-combustible nish material) from this dimension. If other material is to be used, adjust accordingly. FIGURE 3.4 Framing Requirements and Dimensions #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 16 IMPORTANT: Horizontal vent sections require 1/4” (6mm) rise for every 12” (305mm) of travel. Kozy Heat’s #800-WPT3, or wall thimble products that comply with the required 1” (25mm) clearance to combustibles must be installed for all horizontal vent (rigid or flexible) runs that pass through interior or exterior walls.
- Page 17 (1422mm) 48” (1219mm) Required Wall Pass Through Framing for 1” (25mm) Clearance (shown with #800-WPT3) 11” (279mm) ” ¾ (273mm) ⁄ ” (138mm) FIGURE 3.5 Minimum Horizontal Termination Framing #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 18: Outdoor Covered Fireplace Installation
EXAMPLE: If roo ine (B) is 10’ above the base of replace, the overhang (A) must be 5’ or greater. The width of the overhang to EACH side of the replace (C) must be 5’ or greater. FIGURE 3.6 Outdoor Covered Fireplace Install - 1 #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 19 MEMBRANE IS NOT TO BE INTERRUPTED BY FIREPLACE INSTALLATION MINIMUM WEATHERPROOF OVERHANG IN FRONT AND SIDES OUTSIDE INSIDE FREE STANDING STRUCTURE (WEATHERPROOF ENCLOSURE) FIGURE 3.7 Outdoor Covered Installation - 2 #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 20: Facing And Finishing
• For a painted surface, use a high quality acrylic latex primer and finish coat. Avoid flat or light-colored paints to prevent discoloring. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 21 EACH SQUARE REPRESENTS 1” (25mm) OF MANTEL PROJECTION ¼ ” (1581mm) ⁄ ” (754mm) ¼ ¼ ” ” (438mm) (362mm) FINISHING EDGE 42” (1067mm) COMBUSTIBLE FLOORING FIGURE 4.1 Mantel Requirements #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 22 ” (1581mm) (274mm) ⁄ ” (975mm) ⁄ ” (494mm) ⁄ ¾ ¾ ” ” ” (121mm) (1154mm) (121mm) ⁄ ” (206mm) ¼ ” (1403mm) FIGURE 4.2 Finished Opening Clearances #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 23 ¾ (BOTTOM ” [19mm]) ⁄ ¾ ” ” (225mm) (19mm) NON-COMBUSTIBLE COMBUSTIBLE MATERIAL COMBUSTIBLE MATERIAL ALLOWED MATERIAL ONLY ALLOWED NO SCREWS ABOVE FRAMING FIGURE 4.3 Minimum Non-Combustible Material Dimensions #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 24: Safety Barrier Installation
Lower the screen front until the notched tabs are firmly in position, verifying the depth accommodates finish material. • To remove safety screen: lift the screen up and out of slots. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 25: Optional Trim Kit Assembly #Sl42-Ftk
Align the top and bottom trim panels with the pre-drilled holes on the fireplace face. Position the flange on the trim panel as pictured below. Secure with screws included in components packet. FIGURE 4.4 Trim Kit Installation #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 26: Gas Line Connection
Table 5.1, Inlet Gas Supply Pressures Fuel Minimum Pressure Maximum Pressure Natural Gas 5” WC (1.25 kPa) 10” WC (2.49 kPa) Propane 12” WC (2.99 kPa) 13” WC (3.24 kPa) #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 27: Termination Locations
Over 12/12 to 14/12 1.52 Over 14/12 to 16/12 1.83 Over 16/12 to 18/12 2.13 Over 18/12 to 20/12 2.27 Over 20/12 to 21/12 2.44 FIGURE 6.1 Vertical Vent Cap Clearance #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 28: Minimum Vent Termination Clearances
VINYL SOFFIT, VINYL CEILING, AND VINYL OVERHANG DISCLAIMER: Clearances to heat resistant material (i.e. wood, metal). This does not include vinyl. Hussong Manufacturing Co., Inc. will not be held responsible for heat damage caused from terminating under vinyl overhangs, vinyl ceilings, or vinyl ventilated/unventi- lated soffits. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 29: Venting
This appliance is equipped for use with a 5” (127mm) exhaust by 8” (203mm) air intake co-axial vent pipe system. This appliance is approved for use with Kozy Heat 5” (127mm) x 8” (177mm) #800 Series Flexible Direct Vent System (horizontal terminations only). -
Page 30: Vent Restriction
Bend tabs to approx. 80˚ angles to create tension to hold itself in place when installed Remove innermost circle to create less restriction Remove all inner rings for the least restriction FIGURE 7.1 Restrictor Plate Installation #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 31: Vent Heat Shield Assembly Installation
(25mm) vent stand-off tab will rest on top of the vent pipe. HORIZONTAL VENT HEAT SHIELD VENT STAND-OFF TAB PROPANE LOCATION NATURAL GAS LOCATION VERTICAL VENT HEAT SHIELD FIGURE 7.2 Installed Horizontal Vent Heat Shield #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 32: Vent Installation
NOTE: Attic insulation shields may be insulated using unfaced insulation products listed as non-combustible per ASTM E 136. (i) Minimum/ Maximum Vertical Venting: 2’ (610mm) minimum vertical length / 50’ (15.24m) maximum vertical length + termination cap #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 33 (229mm) minimum horizontal run + termination cap (ii) Minimum Vertical Rise / Maximum Horizontal Terminations: 9” (229mm) vertical vent pipe + 90° horizontal elbow + 4’ (1219mm) maximum horizontal run + termination cap #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 34 = 40’ (12.2m) of total length • (2) 45° degree elbows may be used in place of (1) 90° elbow. • Maximum of (5) 90° elbows. FIGURE 7.4 Natural Gas Combination Venting #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 35 (ii) Minimum Vertical Rise / Maximum Horizontal Terminations: 9” + 6” (229mm + 152mm) vertical vent pipe + 90° horizontal elbow + 4’ (1219mm) maximum horizontal run + termination cap #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 36 = 40’ (12.2m) of total length • (2) 45° degree elbows may be used in place of (1) 90° elbow. • Maximum of (5) 90° elbows. FIGURE 7.5 Propane Combination Venting #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 37: 800-1 Series Direct Vent Termination Kit(S)
(OPTIONAL) insulate the wall-pass through with any unfaced insulation products listed as non-combustible per ASTM E 136. FIGURE 7.7 Installation and Assembly #800-1 Series Apply a liberal bead of exterior sealant around outer edge of #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 38: Fireplace Set Up
Reinstall glass media, glass frame assembly, and safety barrier. Reinstall valve access cover. Reinstall safety barrier. GAS VALVE ACCESS COVER HANDLE LOCATION FIGURE 8.1 Glass Frame Assembly Removal and Installation #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 39: Glass Media
Do not block pilot assembly. PROPANE INSTALLATIONS: Remove up to 50% of reflective glass covering burner ports. Do not block pilot assembly. Save any unused media for later use. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 40: Control Board Removal And Installation
Reinstall the glass frame assembly and safety barrier. 10. Turn the manual valve counterclockwise to the ON position. 11. Reconnect electrical power. 12. Verify proper glass media placement, operation of fireplace, and any electrical components. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 41: Electrical Information
LIGHT KIT GREEN BLACK (MAIN) BATTERY PACK 6V DC ORANGE (with 1 amp fuse) (PILOT) ON/OFF ROCKER SWITCH GROUND FIGURE 9.1 Komfort 8K Wiring Diagram #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 42: Sl42-028 Optional Fan Kit
See FIGURE 9.1 on page 41. left (FIGURE 9.2). 10. Reinstall the glass frame assembly and safety barrier. FIGURE 9.2 Steps 3 and 4 FIGURE 9.3 Steps 5 through 9 #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 43: Operating Instructions
This fireplace may produce noises of varying degree as it heats and cools due to metal expansion and contraction. This is normal, and does not affect the performance or longevity of the fireplace. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 44: Setup Komfort 8K Control Module
There is a cut-out opening located on the control module housing that holds the black and red wiring connectors for the back-up battery pack. See FIGURE 10.1. FIGURE 10.1 Back-up Battery Connection #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 45: Komfort 8K Control System Ignition Sequence
• Error caused by sense and/or igniter lead disconnected. Verify that the pilot sensor rod, igniter rod, and hood are clean. #SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022 R.10 March 2022... -
Page 46: Remote Control Operation
(5) seconds. Press any button to in ON mode. resume full functionality. In idle mode, only active functions will show on the screen. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 47 ON. Only active functions will be displayed when the remote control is ON. • The transmission indicator icon will flash and a single beep will confirm the reception of the command. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 48 If the room temperature rises above the set temperature, the fireplace will shut down the main burner. The fireplace will turn back on after the room temperature drops below the set temperature. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 49 The transmission indicator icon will flash to confirm the intensity. reception of the command. • The transmission indicator icon will flash and a single beep will confirm the reception of the command. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 50: Adjustment
(0.67 - 2.49 kPa) inlet pressure tap (A) to verify the tap is completely sealed. Manometer should read no pressure. Manifold pressure tap Inlet pressure tap FIGURE 11.1 Pressure Check Taps #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 51: Flame Appearance Adjustment
Venturi settings(s) closed too far. Open venturi(s) slightly OR gas pressure too high - check manometer settings FIGURE 11.3 Flame Appearance and Characteristics SIDE BURNER VENTURIS FIGURE 11.2 Burner Venturis #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 52 Insert restrictor into the 5” (127mm) exhaust pipe with the tabs pointing towards you. Reinstall termination access panel by inserting tabs in panel into slots in baffle. Secure with (2) screws previously removed. Reinstall all components previously removed. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 53: Troubleshooting
Control system set to Pilot-on- Set control system to intermittent pilot ignition mode. Refer to section will not extinguish Demand ignition mode 10.8.7, PILOT IGNITION SELECTION on page 47. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... - Page 54 Venturi air shutter may need to be opened slightly to allow more air into the gas mix. Refer to section 11.2.1, BURNER VENTURI on page 51. Incorrect vent cap installation Adjust if necessary. Vent cap blockage Remove debris if necessary. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
- Page 55 A maximum number of failed Reset Komfort 8K1 control module. Refer to section 10.2, INITIALIZE THE KOMFORT 8K CONTROL SYSTEM on page 44. ignitions or flame restorations has been reached #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022...
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Page 56: Maintenance
7.0, VENTING on page 29. Performed by: Qualified Service Person Frequency: Annually Action: • Examination of the vent system is required. • The flow of combustion and ventilation air must not be obstructed. #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 57: Burner And Pilot System
Test and measure the flame failure response time of the flame safety system. It must de-energize the safety shutoff in no more than (30) seconds. BURNER ORIFICES BURNER PORTS FIGURE 13.1 Burner System #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 58: Replacement Parts List
Manual Gas Shut-off Valve SL42-BSFS Beveled Screen Front SL42-HHSS Vent Heat Shield Assembly Hussong Manufacturing Co., Inc. 204 Industrial Park Drive PO Box 577 Lakefield, MN 56150-0577, USA SLA-42S #SLA-42S HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES R.10 March 2022... -
Page 59: Limited Lifetime Warranty
• All parts and material except the items listed in the 30 day Kozy Heat gas appliance from the date of purchase to the original warranty and any exclusions or limitations that may apply. purchaser, that it is free of defects in materials and workmanship at *Hussong Mfg.
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