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Lennox Hearth EPIC33 - page 1
1 Report No. 050-S-21b-5 INST ALLA TION AND OPERA TION MANUAL W ARNINGS • Hot! Do not touch! The glass and surfaces of this appliance will be hot during operation and will retain heat for a while after shutting off the appliance. Severe burns may result. • Carefully supervise children in the same room as appliance. Do not store or use gasoline ...
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Lennox Hearth EPIC33 - page 2
2 FOR YOUR SAFETY do not install or operate your Epic™ gas stove without first reading and understanding this manual. Any installation or operation of the appliance deviating from that which is stated in this manual WILL void the warranty and may be hazardous. INST ALLA TION AND REP AIR SHOULD ONL Y BE DONE BY A QUALIFIED SERVICE TECH ...
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Lennox Hearth EPIC33 - page 3
3 T able of Contents Cautions and Safety ....................................................................................................... 2 Orifice Size / Altitude Adjustment ....................................................................................... 4 Codes and Approvals ......................................................... ...
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Lennox Hearth EPIC33 - page 4
4 Orifice Size/Altitude Adjustment For altitudes above 2,000 feet (In Canada 4,500 FT/1370 M),the orifice should be de-rated by 4% for ever y 1,000 feet to maintain the proper ratio of gas to air . Improper orifice sizing may result in damage and unsafe conditions. Chang - ing the orifice should only be done by a qualified service technician. ...
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Lennox Hearth EPIC33 - page 5
5 Inspection The state or local gas inspector of the side wall horizontally vented gas fuel ed equi pme nt shal l not app rove the insta lla tion unless, upon ins pect ion, the inspector obser ves carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4. Exemptions Th e fo ll ow in g eq ui p ...
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Lennox Hearth EPIC33 - page 6
6 Pre-Installation Features Installation Options Residential Vented vertical and horizontal Manufactured (mobile) home Natural gas (NG) or propane (LP) Bedrooms Optional wall-mounted or remote thermostat Venting This stove can be vented with Security™ Secure Vent™ pipe*. Coaxial pipe diameters are 6-5/8” outer and 4” inner . The combustion ...
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Lennox Hearth EPIC33 - page 7
7 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Dimensions The gas line attaches to the gas valve at the lower left corner at the back of the stove. T est all gas connections for leaks with a gas leak test solution. Preparing Y our Epic™ Stove For Installation Read all instructions before beginning your installation. If instructions have ...
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Lennox Hearth EPIC33 - page 8
8 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Clearances to Combustibles Minimum clearances to combustible materials in inches (millimeters): Parallel Installation Corner Installation Alcove dimensions The minimum width between the alcove side walls is 48” (12 19 mm) . The min imu m heigh t of the alc ov e is 69” (753 mm ) and the max ...
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Lennox Hearth EPIC33 - page 9
9 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Installation T rim Installation: CAUTION: Always ensure that plated surfaces are clean and free of fingerprints before lighting stove. Fingerprints will leave permanent blemishes if left on plated surface when lit. When installation is complete, the trim should be gently cleaned with a soft c ...
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Lennox Hearth EPIC33 - page 10
10 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Log Stands Secondary Air Holes Air Deflector Gas Ports 1 2 3 4 Do not cover any secondar y air holes or gas ports (see Burner Pan Diagram above) behind this line. T o ensure a proper burn leave a 1” space free of any embers or rockwool directly in front of the air deflector (see Burner Pa ...
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Lennox Hearth EPIC33 - page 11
11 Brick Panel Installation CAUTION: The brick panels are required for your appli- ance to function correctly and safely . Pa cka g i n g Lis t : Re a r br i c k pan e l ( A ) , le f t bri c k pa n e l ( B ) , ri g ht br ick p a ne l ( C ) , r e t a in ing b r ac ket s ( D ) - i n flu e r e s t ri cto r b ag 1. Remo ve the bric k pan els from the ...
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Lennox Hearth EPIC33 - page 12
12 A B C D E F C D B A Log Set and Ember Installation If logs are not installed according to the log installation inst ruc tion s, flame imping eme nt and imprope r combu sti on cou ld occ ur and resu lt in soo t and/o r exce ss ive pro du cti on of carbon monoxide (CO), a colorless, odorless, toxic gas. The size and position of the log set is cri ...
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Lennox Hearth EPIC33 - page 13
13 Vent Installation Venting: The Epic™ gas stove has been tested and listed as a direct vent heater system by OMNI-T est Laboratories, Beaver- ton, Oregon and is recommended for use with Security™ Secure Vent pipe*. Use only approved chimney brands with this appliance. Important: • Read all instructions carefully before starting the instal - ...
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Lennox Hearth EPIC33 - page 14
14 Vent Parts List Direct vent pipe Security™ Secure V ent™ * may be used with the Epic™ gas stove. Please see the lists below to verify the components available from each direct vent pipe manu - facturer . Snorkel terminations are available for applications which may require vertical rise on the building exterior . The components listed belo ...
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Lennox Hearth EPIC33 - page 15
15 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Vertical V ent Installation Important Notes 1. All vertically terminated vent installations use 6-5/8”x 4” Security™ Secure Vent™ pipe*. 2. If the vent passes through a ceiling or floor , a firestop - Simpson #963 or Security™ #SV4BF - is required. 3. If the vent passes through th ...
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Lennox Hearth EPIC33 - page 16
16 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 2 4 6 8 10 12 14 16 18 20 2 4 6 8 10 12 14 16 18 20 22 24 26 28 MIN. 24" VERT. PIPE SECT. WITH 9" HORIZONTAL SECT. 8' MAX 30' MAX 30 19' 7" MAX VERT. WITH 8' HORIZONTAL VERTICAL HEIGHT (FT) 2 4 6 8 2468 VERTICAL HEIGHT (FT) HORIZONTAL DISTANCE (FT) HORIZONTA ...
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Lennox Hearth EPIC33 - page 17
17 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Exterior Horizontal Vent T ermination Clearance Requirements V V V V V F C B B A B H M I X V D V A A A V L B J X E V A G *18” 18” B C C C * S ee I te m D i n t he T e x t Be lo w . C e n te r Li ne o f T e r mi na ti on E x t er io r W a ll H o r iz on ta l T er mi na t i o n V en ti la t ...
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Lennox Hearth EPIC33 - page 18
18 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Gas Line Installation This stove must be connected to the gas line in accordance with local codes and/or the National Fuel Gas Code, ANSI Z223.1 (In Canada, the current CAN/CSA B149.1 installa - tion code). Remove the four screws holding the back of the pedestal in place. Slide rear cover bac ...
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Lennox Hearth EPIC33 - page 19
19 WHA T TO DO IF YOU SMELL GAS: DO NOT try to light the appliance. DO NOT touch any electric switch. DO NOT use any phone in the 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. C. Use only your hand to push in or t ...
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Lennox Hearth EPIC33 - page 20
20 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Flame Color and Behavior Y our stove is designed for maximum heating efficiency . Therefore, upon lighting of the main burner the flames will be semitransparent or “bluish.” After 10-20 minutes of operation, the logs will heat up and the flames will become a yellow/orange color . Adjus ...
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Lennox Hearth EPIC33 - page 21
21 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Pilot Flame Appearance Figure 31 Air Shutter Adjustment CAUTION: Air shutter is hot while the Epic™ gas stove is operating and should only be adjusted using a heat resistant glove. The air shutter control lever is located inside the main control door above the control panel. The lever is li ...
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Lennox Hearth EPIC33 - page 22
22 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Operating Options Y our stove comes equipped with an “On/Off” rocker switch used to turn the burner on and off while the pilot light is on. The switch is a round rocker switch located behind the main control panel door . A millivolt wall thermostat, or a remote control, can be used to sup ...
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Lennox Hearth EPIC33 - page 23
23 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Maintenance and Ser vicing Maintenance Checklist: The following should only be performed by a qualified service technician. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servici ...
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Lennox Hearth EPIC33 - page 24
24 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Vent Pipe Maintenance Cond uct an inspec tion of the venting system semia nnua lly . Recommended areas to inspect are as follows: 1. Check areas of the venting system which are exposed to the elemen ts for corros ion. These will appe ar as rust spots, streaks, or , in extreme cases, holes. Th ...
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Lennox Hearth EPIC33 - page 25
25 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Opening and Removing Door If the glass in your door is damaged or broken - the com- plete door assembly must be replaced using part #45715. CAUTION: Do not attempt to open the main door while the unit is burning or still hot. Let the unit cool before opening the door . T o replace the door: 1 ...
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Lennox Hearth EPIC33 - page 26
26 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Fuel Conversion Converting the stove between natural gas (NG) and propane (LP) can be accomplished by either changing the cassette (valve and pilot assembly) or installing a conversion kit (regulator , burner orifice and repositioning the slide orifice of the pilot). Only a qualified ser v ...
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Lennox Hearth EPIC33 - page 27
27 T roubleshooting NOTE: When troubleshooting the gas control system, be sure the external gas shut off valve, located at the gas sup- ply inlet is in the “ON” position. IMPORT ANT : Call your gas supplier or plumber for additional help with any gas control problem. Valve system troubleshooting should only be accomplished by a qualified servi ...
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Lennox Hearth EPIC33 - page 28
28 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 1 2 4 15 19 21 12 27 28 29 3 6 7 10 18 11 13 30 14 20 22 23 24 25 26 31 16 17 8 5 32 9 Parts List NO. DESCRIPTION 1 FRONT DOOR 2 RIGHT BURNER SUPPORT 3 LEFT BURNER SUPPORT 4 BURNER P AN / LOG SET 5 BRICK P ANEL SET 6 BRICK P ANEL SET 7 BRICK P ANEL SET 8 BRICK P ANEL BRACKET 9 NAME PLA TE 10 ...
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Lennox Hearth EPIC33 - page 29
29 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 36 38 39 40 41 43 44 45 46 47 48 49 50 51 52 57 35 33 34 53 54 55 56 42 37 NO. DESCRIPTION 33 FLAME CONTROL EXTENSION 34 PILOT CONTROL EXTENSION 35 VAL VE ASSY . 36 BLACK IRON PIPE 37 STREET ELBOW 38 BRACKET , V AL VE 39 CONTROL PANEL 40 DASHBOARD 41 ON/OFF SWITCH 42 RHEOST A T 43 PIEZO Ignit ...
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Lennox Hearth EPIC33 - page 30
30 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Wire Harness Diagram CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. PO WER CORD SNAP SWITCH SPEED CONTROL SWITCH BLO WER MALE SP ADE 1/4" FEMALE SP ADE 1/4" R ...
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Lennox Hearth EPIC33 - page 31
31 Replacement Parts List Epic™ 33/40 (EPIC33/40) Diagram No. Part No. Description 1 H3102 Front Door 2 H5835 Burner Support, Right 3 H5834 Burner Support, Left 4 H3137 Burner Pan 5,6,7 H5872 Brick Panel Set 8 H5836 Brick Panel Bracket 10,11 H3124 Heat Exchanger Kit 12,13 H6014 Side Door 14 H5875 Snap Switch 16,17,24,25,26 H6015 Large Relief Door ...
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Lennox Hearth EPIC33 - page 32
32 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. T ri m K its Ki ts Inc lud e : Ma tch ing T ri m f or Gla ss (Up per a n d Low er) Ca t. No. De scr ipt ion 75 348 B l a c k T ri m, EPI C - T RI M-B 75 349 G o l d T ri m, EP IC- T R I M- G 75 350 B r u s he d N ick el T ri m , EP IC- TRI M-B N 75 351 B lac k N i c k el T ri m , EPI C-T RIM ...
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Lennox Hearth EPIC33 - page 33
33 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Lighting Label CAU TIO N: Y OUR CO UN TR Y G AS APPLI ANC E MUS T A L W A YS BE OP ERA TED W ITH GL ASS D OOR IN P LAC E. ST OP! R ead th e s af ety in fo rma tio n abo ve bef or e p roc ee din g. 1. Open th e l owe r doo r . M ake su re ga s s up ply sh ut- of f c ock s are op en and ON /O F ...
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Lennox Hearth EPIC33 - page 34
34 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Safety / Listing Label MODEL MODÈLE EPIC™ NG 40 MANUFACTURED BY : LENNOX HEARTH PRODUCTS PO BOX 987 AUBURN, WA., USA 98071 SERIAL NO. NUMÉRO DE SÉRIE Report No. / Número de Rapport 050-S-21b-5 RA TINGS EPIC 33 EPIC 40 NA TUR AL GAS LP GAS N A TURA L G AS LP GAS MAXIMUM INPUT BTUH 0-2,00 ...
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Lennox Hearth EPIC33 - page 35
35 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Notes ...
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Lennox Hearth EPIC33 - page 36
36 Y our Stove's Model Number __________________________________________ Y our Stove's Serial Number ___________________________________________ The Date On Which Y our Stove Was Installed _____________________________ The T ype of Gas Y our Stove's Uses _____________________________________ Y our Dealer's Name _________________ ...
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