Enviro EF3 Technical Manual
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Enviro EF3 Technical Manual

Freestanding, fireplace insert, and built-in heater
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See also: Owner's Manual , Technical Manual
SHERWOOD INDUSTRIES IS AN ENVIRONMENTALLY RESPONSIBLE COMPANY. THIS MANUAL IS PRINTED ON RECYCLED PAPER.
PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
PELLET STOVE
EF3
Freestanding, Fireplace Insert,
and Built-In Heater
TECHNICAL MANUAL
Contact your building or fire officials about restrictions and
installation inspection requirements in your area.
2008
PLEASE READ THIS ENTIRE MANUAL BEFORE INSTALLATION AND USE OF THIS
PELLET-BURNING ROOM HEATER. FAILURE TO FOLLOW THESE INSTRUCTIONS
COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY OR EVEN DEATH.
50-1767

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  • Page 1 SHERWOOD INDUSTRIES IS AN ENVIRONMENTALLY RESPONSIBLE COMPANY. THIS MANUAL IS PRINTED ON RECYCLED PAPER. PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE PELLET STOVE Freestanding, Fireplace Insert, and Built-In Heater TECHNICAL MANUAL Contact your building or fire officials about restrictions and installation inspection requirements in your area.

  • Page 2: Table Of Contents

    Table of Contents Safety Warnings & Recommendations....................3 Rating Label Location......................5 Installation.............................6 Deciding Where to Locate your Pellet Appliance..............6 Removing Pellet Stove From Pallet..................6 Dimensions - Freestanding....................7 Dimensions - Fireplace Insert and Built-In Heater..............7 Specifications........................8 Clearances to Combustibles - Freestanding................9 Clearances to Combustibles - Fireplace Insert.................9 Clearances to Combustibles - Built-In Heater.................10 Pedestal Installation......................10 Vent Termination Requirements...................11...

  • Page 3: Safety Warnings & Recommendations

    To prevent the possibility of a fire, ensure that the appliance is properly installed by adhering to the installation instructions. An ENVIRO dealer will be happy to assist you in obtaining information with regards to your local building codes and installation restrictions.
  • Page 4 GLASS: Do not abuse the glass by striking or slamming the door. Do not attempt to operate the stove with broken glass. The stove uses ceramic glass. Replacement glass must be purchased from an ENVIRO dealer. Do not attempt to open the door and clean the glass while the unit is in operation or if glass is hot.

  • Page 5: Rating Label Location

    Safety Warnings & Recommendations FRESH AIR: Outside Fresh Air connection is optional. Fresh Air must be connected to all units installed in “Air Tight Homes” or where required by local codes. Consider all large air moving devices when installing your unit and provide room air accordingly. NOTE: Extractor fans when operating in the same room or space as the appliance, may cause problems.

  • Page 6: Installation

    Installation eciding here to ocate your ellet ppliance 1. Do not install the stove in a bedroom or room where people sleep in. 2. Locate the stove in a large and open room that is centrally located in the house. This will optimize heat circulation.

  • Page 7: Dimensions - Freestanding

    (559 mm) (532 mm) Figure 2: Dimensions of EF3 Freestanding. imenSionS ireplace nSert and uilt eater " (600 mm) " " (557 mm) (322 mm) Insert " (582 mm) Built-In " (626 mm) Figure 3: Dimensions of EF3 Fireplace Insert.

  • Page 8: Specifications

    Installation peciFicationS...

  • Page 9: Clearances To Combustibles - Freestanding

    Floor protection - 6 inches (15.2 cm) 8" (20.3 cm) on either side and to the front must be protected by non-combustible material. Floor Protection; Minimum 6" (15 cm) in front of door Figure 6: EF3 Fireplace Insert Clearance to Combustibles.

  • Page 10: Clearances To Combustibles - Built-In Heater

    Recess depth: - 11 inches (30 cm) 6" (15 cm) Floor Protection Figure 7: EF3 Built-In Heater recommended framing. edeStal nStallation The all models require a pedestal that has to be attached prior to installation: • Remove the unit from the box •...

  • Page 11: Vent Termination Requirements

    Installation ermination equirementS IT IS RECOMMENDED THAT YOUR PELLET STOVE BE INSTALLED BY AN AUTHORIZED DEALER/INSTALLER. Table 2: Use in conjunction with Figure 11 for allowable exterior vent termination locations. Letter Minimum Clearance Description 61cm (24 in) Above grass, top of plants, wood, or any other combustible materials. Beside/below any door or window that may be opened.

  • Page 12: Exhaust And Fresh Air Intake Locations

    (132 mm) 12" 12" (304 mm) (304 mm) Figure 12: EF3 Freestanding Inlet and Outlet Figure 13: EF3 Fireplace Insert Inlet and Outlet Location. Location. utSide reSh onnection This Heater must have adequate air for proper combustion in the room that it is installed.

  • Page 13: Corner Through Wall Installation - Freestanding

    Installation orner hrough nStallation reeStanding Fresh Air Intake 1" (2.5cm) Wall thimble manufactured by pellet vent manufacturer. 1" (2.5cm) 6" (15 cm) Floor Protection Figure 15: Corner Installation. orizontal xhauSt hrough nStallation Vent installation: install vent at clearances specified by the vent manufacturer. A chimney connector shall not pass through an attic or roof space, closet or similar concealed spaces, or a floor, or ceiling.

  • Page 14: Through Wall With Vertical Rise And Horizontal Termination Installation - Freestanding

    Installation 6. Install a length of 80mm (3”) vent pipe into the wall thimble. pipe should install easily into the thimble. Exhaust Tube 7. Install the fresh air 3" (75mm) or 4" (100mm) "PL" or "L" vent intake (see o utsIde Wall Thimble resh...

  • Page 15: Outside Vertical Installations - Freestanding

    Vertical section Horizontal frame of vent pipe for thimble Concrete Wall Clean out tee Wall thimble ENVIRO EF3 Clean out tee ENVIRO EF3 Figure 18: Venting horizontally with rise. Figure 19: Venting with concrete wall behind unit . utSide ertical...

  • Page 16: Inside Vertical Installations - Freestanding

    Installation nSide ertical nStallationS reeStanding 1. Choose a stove location that is ideal. See the section “d .” eCIdIng here to oCate your ellet PPlIanCe 2. Place a non-combustible hearth pad where necessary. 3. Place the unit on the hearth Rain cap pad (if installed on a carpeted surface) and space the unit in a...
  • Page 17 PL vent) Flexible vent connector (use this 5 foot [152cm] section of pipe to vent past fireplace damper or small shelf ) Fireplace damper location Clean out tee Existing fireplace ENVIRO EF3 Figure 23: Freestanding hearth mount installation overview.

  • Page 18: Masonry Fireplace Installation - Fireplace Insert

    If the fireplace insert does not fit into a zero clearance fireplace, we recommend you use an ENVIRO freestanding model and install as a hearth mounted unit. Install a 3” (76 mm) flex pipe from the stove to the top of the chimney (see “h :”).

  • Page 19: Installation For A Built-In Heater

    Installation nStallation uilt eater Combustible This unit includes a 3” (75 mm) pedestal materials and structure and surrounding faceplates. The part of the unit behind the faceplate can be enclosed Surround Panel Wall with combustible material. It has 1” (25 thimble mm) standoffs to establish clearances to 12"...
  • Page 20 Installation 2. Attach the other side trim piece to the top trim, using the same method used in Step 1. 3. Using three (3) T-20 screws on each side attach the hinges on the side surround panels to the unit’s side panels (refer to Figure 31). 4.

  • Page 21: Thermostat Installation

    Installation hermoStat nStallation 1. Install the wall thermostat (millivolt rated thermostat recommended, or a 12/24 Volt rated thermostat set to millivolts) in a location that is not too close to the unit but will effectively heat the desired area. 2. Connect the thermostat or Timer using an 2 x 18 gauge wire from the unit to the thermostat. If the unit has been placed in the HI / LOW mode, the unit will be taken to a low or idle setting when the thermostat is not calling for heat.

  • Page 22: Slider/Damper Setting

    Installation lider amper etting This is used to regulate the airflow through the pellet stove. The slider damper should be set by a trained technician using magnehelic. The slider damper is located behind the left side panel. To open the left side panel, undo the one screw located in the upper front corner of the cabinet side between the louvers.

  • Page 23: Troubleshooting

    Troubleshooting DO NOT: ● Service the stove with wet hands. The stove is an electrical appliance, which may pose a shock hazard if handled improperly. Only qualified technicians should deal with possible internal electrical failures. ● Do not remove from the firebox any screws without penetrating oil lubrication. WHAT TO DO IF: 1.
  • Page 24 Troubleshooting Poor Quality Fuel – Insufficient energy in the fuel to produce enough heat to keep the stove burning or operational. Exhaust Temperature Sensor failure. – Bypass sensor located on Exhaust Blower if stove now operates properly, the unit may require cleaning or a new sensor. Contact your local dealer for service. Check the fuse on the circuit board.
  • Page 25 Troubleshooting 7. The convection blower will not function normally. Clean all grill openings at the back and below unit . Press the fan button; does the fan come on? Press again to verify that the blower turns on; if, not contact your local dealer for service.

  • Page 26: Wiring Diagram

    Wiring Diagram Armor Cable Supplied Grey Optional Exterior Vacuum Exhaust Blower Grey Switch Black White White Combustion Blue Brown Blower Exhaust Temperature Sensor Power Cord Brown Ground Black 115V 115V White Black Black White 220V 220V Brown Blue Thermostat Common 5 Amp Ignitor Fuse...

  • Page 27: Parts List

    Parts List Reference Description Part Number Number 120°F (49°C) Ceramic Fan Temp Sensor EC-001 Auger Motor - 220V EF-001-220V Convection Blower - 220V EF-002-220V Convection Blower Impeller EF-004 Convection Blower Insulator (Gasket) EF-006 Combustion Main Impeller EF-008 Combustion Cooling Impeller EF-009 Combustion Blower Mounting Gasket EF-011...
  • Page 28 Parts List Reference Description Part Number Number Firebox Liner Top Plate EF-066 ¾” ID Auger Collar with Set Screw EF-069 Fireplace Insert Pedestal Complete EF-074 Built-In Heater Pedestal EF-074A Freestanding Back Grill EF-097 Freestanding Ash Pan Cover EF-099 Built-In Heater Kit EF-102 Freestanding Hopper Lid With Handle EF-104...
  • Page 29 Exhaust Blower Assembly - 220V 50-900 Wiring Harness 50-914 Control Panel and Decal 50-1475 Control Panel Decal 50-1476 Circuit Board with Thermostat Switch 3sec On Time 230V 50-1522 EMI Filter - 220V 50-1584 EF3 International Owner’s Manual 50-1766 EF3 International Technical Manual 50-1767...

  • Page 30: Parts List - Options

    Parts List - Options Reference Description Part Number Number Log Set 20-036 Decorative Trivet - Painted EF-150 Decorative Trivet - Gold EF-151 Louvre Trim - Brass 50-340 Louvre Trim - Nickel 50-342 Door Cover (No Louvre Trim) - Gold 50-469 Door Cover With Louvre Trim - Nickel 50-470 Door Cover (No Louvre Trim) - Painted...

  • Page 31: Parts Diagram - Components

    Parts Diagram - Components...

  • Page 32: Parts Diagram - Steel

    Parts Diagram - Steel...

  • Page 33: Installation Data Sheet

    _________________________________________ _________________________________________ _________________________________________ PHONE:___________________________________ WARRANTY: If you have any concerns with your unit please contact the dealer where you purchased the stove. MANUFACTURED BY: SHERWOOD INDUSTRIES LTD. 6782 OLDFIELD RD. SAANICHTON, BC, CANADA V8M 2A3 www.enviro.com January 4, 2008 C-11516...

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