Enviro S20I Owner's Manual
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Enviro S20I Owner's Manual

Freestanding gas fireplace
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S20I
F R E E S T A N D I N G G A S F I R E P L A C E
OWNER'S MANUAL
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. Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
C#4001609
50-3221
Version Française: www.enviro.com/fr.html

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Summary of Contents for Enviro S20I

  • Page 1 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. Installation and service must be performed by a qualified installer, service agency or the gas supplier. C#4001609 50-3221 Version Française: www.enviro.com/fr.html...

  • Page 2: Safety Precautions

    Safety Precautions WARNING: FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury, death, or property damage. - 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 •...
  • Page 3 NEVER ALLOW CHILDREN shut. TO TOUCH GLASS. • If the S20I unit is pulled out of its installation, and the vent- A barrier designed to reduce the risk of burns from the air intake system is disconnected for any reason, ensure that...

  • Page 4: Table Of Contents

    Table of Contents Safety Precautions......................2 Table of Contents......................4 Codes And Approvals....................5 Specifications......................6 Dimensions.....................6 Rating Label Location..................6 Operating Instructions....................7 Lighting Instructions..................7 Air Shutter......................8 Normal Sounds During Operation..............8 Remote Control Operations.................8 Initializing the System for the First Time............11 Switching to Continuous Pilot Mode..............11 Fan Control......................13 Maintenance And Service.....................14 Routine Maintenance..................14...

  • Page 5: Codes And Approvals

    After the unit has gone through the first burn, turn the unit off including the pilot, let the unit get cold then remove the glass door and clean it with a good gas fireplace glass cleaner, available at your local ENVIRO dealer.

  • Page 6: Specifications

    5 1/8" 49.7 46.7 19 5/8" 18 3/8" 62.2 24 1/2" Figure 1. S20I Dimensions - Top Vent & L ating abeL ighting nstRuctions ocation The rating label and lighting instructions are located on rating plate the backside of stove.

  • Page 7: Operating Instructions

    Operating Instructions For Your Safety, Read Safety Precautions And Lighting Instructions Before Operating WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT, CAUSING PROPERTY DAMAGE, PERSONAL INJURY OF LOSS OF LIFE. ighting anD uRning nstRuctions FOR YOUR SAFETY READ BEFORE OPERATING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION...

  • Page 8: Air Shutter

    The Proflame 2 GTMFL is a modular remote control system that directs the functions of the S20I. The Proflame 2 GTMFL is configured to control the on/off main burner operation, its flame levels and provides on/off and Smart thermostatic control of the appliance. The system controls a remotely actuated...
  • Page 9 Operating Instructions For Your Safety, Read Safety Precautions And Lighting Instructions Before Operating ystem escRiption The Proflame 2 Remote Control System consists of two (2) elements: 1. Proflame 2 Transmitter. 2. Integrated Fireplace Controller (IFC) and a wiring harness connect to the gas valve, stepper motor and convection fan.
  • Page 10 Operating Instructions CPI Mode Figure 5: Proflame 2 Transmitter LCD Screen. (ifc): ntegRateD iRepLace ontRoLLeR The Proflame 2 IFC (Figure 6) connects directly to the gas valve, stepper motor, pilot and covection fan with a wiring harness. The IFC is mainly powered by 120 VAC but can also run off a battery backup four (4) AA type batteries for shorter periods of time.

  • Page 11: Initializing The System For The First Time

    When the S20I is turned off press the mode key to index to the constant pilot (CPI) mode icon (see figure 8). Pressing the up arrow key will select Continuous Pilot Ignition (CPI) and pressing the down arrow key will return to IPI.
  • Page 12 Operating Instructions Turn off the Appliance Press the ON/OFF Key on the Transmitter. The Transmitter LCD display Room Temperature will only show the room temperature and Icon (see Figure 9). A single “beep” from the IFC confirms reception of the command and both the pilot light (if the unit is not set to continuous pilot) and main burner will turn off.

  • Page 13: Fan Control

    Operating Instructions Fan Control The S20I comes with a convection fan that can be controlled with the Transmitter. The fan speed can be adjusted thorugh six (6) speeds. To control the fan press the MODE key (Figure 4) to index to the fan control icon (Figure 12).

  • Page 14: Maintenance And Service

    The glass must be purchased from an ENVIRO dealer. No substitute materials are allowed. Remove the door (see page 12). The replacement glass will come with a new gasket installed. Remove any silicone remnants from the door.

  • Page 15: Cast Door Removal

    Maintenance And Service emovaL The Face on the S20I needs to be removed whenever access to the firebox is required. To remove the face loosen tow screws at the bottom of the face, then rotate the door as shown in Figure 16. The face is hooked on the frame at the top and will need to be rotated past 45 degrees until is is free.

  • Page 16: Burner Removal

    Maintenance And Service uRneR emovaL The burner may need to be removed for a few reasons, including cleaning under the burner, converting the unit to a different gas type, or to replace the burner altogether. Proceed only when the unit has completely cooled down.
  • Page 17 Maintenance And Service Conversion Kit Installation: 1. Turn the unit off by pressing the ON/OFF Key on the remote and shut off gas supply at the shut-off valve upstream of the unit. CAUTION: The gas supply must be shut off prior to disconnecting the electrical power and before proceeding with the conversion.
  • Page 18 . If the S20I has been installed at an altitude higher than 2000ft (610m) it is required to de- estIng rate the unit accordingly: In the USA: The appliance may be installed at higher altitudes. Please refer to your American Gas Association guidelines which state: the sea level rated input of Gas Designed Appliances installed at elevations above 2000 (610 m) feet is to be reduced 4% for each 1000 feet (305 m) above sea level.

  • Page 19: Initial Installation

    • Locate the stove in a large and open room that is centrally located in the house. This will optimize heat circulation and comfort. • As the S20I is equipped with a convection fan, ensure that an electrical outlet is within 6 ft (1.8 m) of the stove.

  • Page 20: Rear Vent Conversion

    If desired, the S20I can be converted from a top vent to a rear vent unit by following the steps below. Note: When converted to rear vent the S20I has a smaller range of allowable venting, refer to I nItIal before final installation.
  • Page 21 (see Figure 23). Re-install the back plate and tighten the four retaining screws. Finally, install the cast vent cover supplied with the S20I as shown in Figure 26. Figure 26. Vent Conversion - Step 4...

  • Page 22: Direct Vent

    The vent length for the S20I must be between 7” (18 cm) and 44ft (13.4 m). This model is vented with co-axial 4” intake, 6 5/8” exhaust aluminum or stainless steel approved rigid vent leading into a vertical or horizontal termination cap.
  • Page 23 Initial Installation QUALIFIED INSTALLERS ONLY The S20I fireplace has been tested and certified for use with AMERICAN METAL PRODUCTS “AMERIVENT DIRECT”, M&G DURAVENT TYPE GS PIPE FOR GAS STOVES. SECURITY CHIMNEY’S “SECURE VENT DIRECT VENT SYSTEM” and SELKIRK “DIRECT-TEMP VENT SYSTEM” kits are available for horizontal and vertical venting.

  • Page 24: Horizontal Termination - Rear Vent W/ No Rise

    QUALIFIED INSTALLERS ONLY Horizontal Termination - Rear Vent with no Vertical Rise The S20I can be installed in rear vent applications with no vertical rise* within the parameters as shown in Figures 28 and 29. *When using propane a 14” snorkel is required: - M&G DuraVent #46DVA-SNK14...

  • Page 25: Mobile Home Installation

    Initial Installation QUALIFIED INSTALLERS ONLY obiLe nstaLLation The S20I can be installed in a mobile home but must be securely fastened to the floor as directed below: • Remove the cast door and louvers as outlined in m aIntenance anD...

  • Page 26: Vent Termination Restrictions

    Initial Installation QUALIFIED INSTALLERS ONLY eRmination estRictions Fixed Closed Fixed Openable Closed Openable Termination Cap Air Supply Inlet Gas Meter Restriction Zone (Termination not allowed) Figure 31. Vent Termination Restrictions, refer to Table 5. Table 5: Vent termination clearances. Letter Canadian Installation US Installation Description...

  • Page 27: Allowable Vent Configurations

    Initial Installation QUALIFIED INSTALLERS ONLY LLowabLe onfiguRations Figures 32.1 & 32.2 show the range of possible vent configurations if the unit is top or rear vented, for vertical and horizontal terminations. Any layout that remains within the shaded areas is acceptable. Having the fewest number of elbows is ideal, as they tend to disrupt air movement.

  • Page 28: Air Restrictor Settings

    When installing the S20I with 8ft (2.44M) or more of vertical venting it may be necessary to restrict the fresh air supply in the firebox to control the combustion and flame appearance. Using the pair of air restrictors supplied with the unit, install them on each side of the firebox and adjust to the correct setting as outlined in the figure and table below.

  • Page 29: Horizontal Termination

    Initial Installation QUALIFIED INSTALLERS ONLY oRizontaL eRmination NOTES: 1. Horizontal pipes must not be level. For every 12 inches (305 mm) of horizontal travel (away from the stove), there should be at least ¼ inch (6.4 mm) of vertical travel. Never allow the vent to run downward, as this could cause high temperatures or even present the possibility of a fire.

  • Page 30: Vertical Termination

    Initial Installation QUALIFIED INSTALLERS ONLY Step 4. With the hole now framed, the wall thimble installed, and the pipe extending into the wall, proceed to the outside. Attach the termination to the pipe using RTV and Mil-Pac or Rutland No 78 Stove and Gasket Cement to seal joints.
  • Page 31 Initial Installation QUALIFIED INSTALLERS ONLY STEP 5. Cut hole in the roof centered on the small hole placed in the roof from Step 2. The hole should be of sufficient size to meet minimum requirements for Clearance to Combustibles, as specified. Continue to assemble lengths of pipe and elbows necessary to reach from the ceiling support box up through the roof line.
  • Page 32 Initial Installation QUALIFIED INSTALLERS ONLY NOTES: (1) If an offset is necessary in the attic to avoid obstructions, it is important to support the vent pipe every 3 feet (914 mm), to avoid excessive stress on the elbows, and possible separation. Wall straps are available for this purpose (see Figure 37).

  • Page 33: Gas Line Connection And Testing

    Initial Installation QUALIFIED INSTALLERS ONLY onnection anD esting WARNING: Only persons licensed to work with gas piping may make the necessary gas connections to this appliance. GAS LINE CONNECTION • This stove is equipped with a certified flexible pipe located on the left side of the unit terminating in a 3/8”...

  • Page 34: Electrical Requirements

    Initial Installation QUALIFIED INSTALLERS ONLY LectRicaL equiRements The fireplace must be electrically connected and grounded in accordance with local codes or, in the absence of local codes, with the current CSA C22.1 Canadian Electrical Code Part 1, Safety Standards For Electrical Installations, or The National Electrical Code ANSI / NFPA 70 in the US.

  • Page 35: Secondary Installation

    Secondary Installation Rate anD nstaLLation The placement of the logs is not arbitrary. If they are positioned incorrectly, the flames can be “pinched” and will not burn correctly. All of the logs come with either a notch or ledge, which make alignment easier. Using the pictures provided, carefully set the logs in place (see Figures 41 through 47).
  • Page 36 Secondary Installation Step 3: Install the big y shaped twig on the far left side by locating the bottom of it on the far left log grate upright. The twig should run parallel with the side of the firebox and the top will rest on the top of the ember bed.
  • Page 37 A small amount on the bottom side of the logs is normal. Remove and replace the logs in the same manner described above. If new coal nuggets or logs are required, contact your nearest ENVIRO dealer. Never operate the fireplace with the glass door removed.

  • Page 38: Safety Screen Replacement

    The S20I is supplied with a safety screen already installed on the back of the cast door. If the safety screen becomes damaged must be replaced with part number 50-3070 following the steps below: Loosen Figure 48. Safety Screen Removal...

  • Page 39: Trouble Shooting

    Trouble Shooting iagnostic Lash oDes 1. Fail to ignite: If there is no positive ignition, the board will go into lock out and the LED will blink 3 times in intervals until the system is reset. 2. Low battery condition (<4V): the LED indicator will blink one (1) time in intervals. 3.
  • Page 40 Trouble Shooting Problem Possible Cause Solution The pilot flame has gone out Thermostat · Turn it ON does not The On/Off switch is turn to OFF work The thermostat is set too high · Set the thermostat to a lower temperature ·...
  • Page 41 Troubleshooting Problem Possible Cause Solution · Turn the system off by pressing the ON/OFF button on the transmitter · After approximately 2 seconds press the ON/OFF button on the transmitter again. Locking Reset the Proflame IFC board · In the manual flame control mode, use the down arrow conditions button to reduce the flame to off, indicated by the word OFF displayed on the transmitter LCD screen.

  • Page 42: Parts List

    S20 Vent Cover 50-3218 S20 Cent Collar 50-3222 S20 Plate Top 50-3223 S20 Replacement Safety Screen 50-3219 S20I Owners Manual 50-3221 Conversion Kit - LP to NG (IPI) 50-2994 Conversion Kit - NG to LP (IPI) 50-2984 Log Set 50-2935 Proflame 2 IFC Wire Harness (0.584.924)

  • Page 43: Parts Diagram

    Parts Diagram...

  • Page 44: Rating Label

    Rating Label...

  • Page 45: Notes

    Notes...

  • Page 46: Warranty

    Sherwood Industries Ltd. (“Sherwood”) hereby warrants, subject to the terms and conditions herein set forth, this product against defects in material and workmanship An expanded list of exclusions is available at www.enviro.com/help/warranty.html during the specified warranty period starting from the date of original purchase at retail.

  • Page 47: Installation Data Sheet

    _________________________________________ _________________________________________ NATURAL GAS (NAT) PROPANE(LPG) _________________________________________ INLET GAS PRESSURE:_________in wc PHONE:___________________________________ MAIN BURNER ORIFICE:__________# DMS PILOT ORIFICE #_________OR________in diam. INSTALLER’S SIGNATURE: _________________________________________ MANUFACTURED BY: SHERWOOD INDUSTRIES LTD. 6782 OLDFIELD RD. SAANICHTON, BC, CANADA V8M 2A3 www.enviro.com July 2019 C-15104...

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