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C
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INSTALLER/CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND
USING APPLIANCE
WARNING!
IF THE INFORMATION IN THIS
Builder Top Vent Direct
MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE OR
Vent Zero Clearance Gas
EXPLOSION MAY RESULT
CAUSING PROPERTY DAMAGE,
Fireplace Heater
PERSONAL INJURY OR LOSS
OF LIFE.
Models:
FOR YOUR SAFETY
33TDVN, 36TDVN, 39TDVN
Installation and service must
be performed by a qualified
installer, service agency or the
gas supplie
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TDVN Series Direct Vent Gas Fireplace Table of Contents PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING THIS APPLIANCE. Thank you and congratulations on your purchase of a CFM Corporation fireplace. IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty. Installation & Operating Instructions General Information, Warnings, Cautions ..............
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TDVN Series Direct Vent Gas Fireplace Installation & Operating Instructions 12. This fireplace requires adequate ventilation and combustion This gas fireplace should be installed by a qualified installer, air to operate properly. preferably NFI or WETT (Canada) certified, in accordance with 13. This fireplace must not be connected to a chimney flue local building codes and with current CSA-B149.1 Installation codes for Gas Burning Appliances and Equipment. For USA serving a separate solid fuel
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TDVN Series Direct Vent Gas Fireplace Installation & Operating Instructions Inspection Requirements for the Commonwealth of Massachusetts The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not All gas fitting and installation of this heater shall only be approve the installation unless, upon inspection, the done by a licensed gas fitter or licensed plumber. inspector observes carbon monoxide detectors and For all side wall horizontally vented gas
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TDVN Series Direct Vent Gas Fireplace Fireplace Dimensions Rough E Opening Depth R H O F Q N- Rough Opening Width R Rough Opening P Height Electrical Access M G B D Low C Gas Line Voltage Access Electrical Access L I I A 1" J (25mm) K Gas Line Access 7636 7636 Fig. 1 Fireplace specifications and framing dimensions. TDVN specs 5/04 Ref. 33TDVN 36TDVN 39TDVN A 33” (838 mm) 36” (914 mm) 39” (991 mm) B 28 ⁷⁄₈” (733 mm) 34 ¹⁄₄” (870 mm) 34 ¹⁄₄” (870 mm) C 31” (787 mm) 33” (838 mm) 36” (914
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TDVN Series Direct Vent Gas Fireplace V Locating Your Fireplace W X Y E A Z B Y X C A B C D E D Y X B Fireplace F Top Louvre Assembly LU584-T Top of Combustion Chamber Fig. 2 Locate gas fireplace. LU584-T Locating unit A - Flat on wall B - Cross corner C - **Island CFM146 Bottom of Door Trim 12/18/02 djt D - Room divider E - Flat on wall corner F - Chase installation Y - Refer to “Clearance to Combustibles” Section Mantel Chart CFM146 Note (Fig. 2): DV Mantel Chart Mantel Shelf Mantel fro
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TDVN Series Direct Vent Gas Fireplace Hearth Final Finishing Noncombustible materials such as brick or tile may be A hearth is not mandatory but is recommended for extended over the edges of the face of the appliance. aesthetic purposes. We recommend a noncombustible hearth which projects out 12” (305 mm) or more from DO NOT cover any vent or grille panels. the front of the fireplace. If a Trim Kit is going to be installed on the fireplace, the brick or tile will have to be installed flush w
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TDVN Series Direct Vent Gas Fireplace 5. For natural gas, a minimum of 3/8” iron pipe with a Gas Line Installation gas supply pressure of 4.5” w.c. (from the gas me- ter). Consult with local gas utility and ANSI Z223.1/ When purging gas line, the front window NFPA 54 if any questions arise concerning pipe frame assembly must be removed. sizes. 1. The gas pipeline can be brought in through the rear 6. Turn the gas supply to ‘ON’ and check for leaks. DO of the fireplace as well as the bottom.
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FRONT OF UNIT TDVN Series Direct Vent Gas Fireplace Remote ON/OFF It is strongly suggested that the wiring of Switch or Thermostat or the EB-1 Electrical Junction Box be carried Remote Control out by a licensed electrician. Ensure that the power to the supply line has been disconnected before commenc- ing this procedure. TP Gas TH The EB-1 Electrical junction box has been fitted stand- Control ard on this model to allow for the easy connection of an Valve TP optional fan
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TDVN Series Direct Vent Gas Fireplace General Venting Your fireplace is approved to be vented either through There must not be any obstruction such as bushes, the side wall, or vertical through the roof. garden sheds, fences, decks or utility buildings within 24” from the front of the termination hood. • Only CFM Corporation venting components spe- Do not locate termination hood where excessive snow cifically approved and labelled for this fireplace or ice build up may occur. Be sure to check v
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V Operable TDVN Series Direct Vent Gas Fireplace General Venting Information - Termination Location INSIDE CORNER DETAIL G V N H A N D E L C B ����� B V B V ������ V Fixed Operable Closed F V B M V B J X B X I V K A CFM145a VENT TERMINATION X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED V 1 2 Canadian Installations US Installations CFM145a A = Clearance above grade, veranda, porch, 12” (30 cm) 12” (30 cm) DV Termin Location deck, or balcony 5/01/01 Rev. 12/05/01 B = Clearance t
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TDVN Series Direct Vent Gas Fireplace Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Alcove Applications* Outside Corner D C C F = Combustible G = 6" (152 mm) Combustible V G 6" (152 mm) Noncombustible V E 2" (51 mm) Noncombustible O V F 2" (51 mm) Balcony - Balcony - with no side wall with perpendicular side wall E = Min. 6” (152 mm) for non-vinyl sidewalls Min. 12” (305 mm) for vinyl sidewalls O = 8’ (2.4
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Vertical dimension from the floor of the fireplace to the center of the horizontal vent pipe TDVN Series Direct Vent Gas Fireplace Twist Lock Pipes 30 When using CFM Corporation twist-lock pipe it is not 29 necessary to use sealant on the joints. The only areas 28 27 of the venting system that need to be sealed with high 26 temperature silicone sealant are the collars on the 25 fireplace and termination, and the sliding joint of any 24 telescopic vent section used in the system. 23 22 To join
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TDVN Series Direct Vent Gas Fireplace 20' (6m) A B Pipe Straps Every 3’ (914mm) 7.5' Pipe Straps 1 x 90° elbow in horizontal plane = 3’ (914mm) Every 3’ (914mm) (2.3m) Firestop/Zero A + B = 17' (5.2m) Max. Clearance Sleeve FP1012 Fig. 13 Support straps for horizontal runs. FP1238 Horizontal plane means no vertical rise exists on this FP1012 Fig. 15 Maximum vent run with elbows. portion of the vent assembly. Top vent max run 1/25/00 djt • The maximum number of elbow degrees in a system
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TDVN Series Direct Vent Gas Fireplace Vent Opening for Combustible Wall 9 ³⁄₈” (240mm) Framing Detail 9 ³⁄₈” X (240mm) Fireplace Hearth Opening for Noncombustible Wall FP1240 7 ¹⁄₂” (190mm) Fig. 19 Vertical height requirement. VO584-100 of the inner and outer elbow. Again secure joints with Fig. 17 Locate vent opening on wall. three (3) sheet metal screws. Wipe off any excess high Noncombustible Walls: (Fig. 17) Hole opening must temperature sealant. be 7 ¹⁄₂” (190 mm) in diameter. STEP 5
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TDVN Series Direct Vent Gas Fireplace Support horizontal pipes every 3’ (914 mm) with metal pipe straps. Make sure the horizontal vent pipe is in- stalled on a level horizontal plane. Vertical Sidewall Installation Flex Vent Pipe NOTE: The 40” (1016 mm) flex vent is used for 90° off the top of the unit then out the back wall. Follow Step 1 and 2 on Page 14. Step 3 Install the four (4) spacer springs on the 4” flex vent pipe. When installing the spacer springs around the 4” pipe, stretch the sp
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TDVN Series Direct Vent Gas Fireplace Step 4 Install window well (not supplied). Refill hole with 12” (305 mm) of coarse gravel leaving a clearance of Install the 4” (102 mm) flex vent pipe to the termination approximately 4” (102 mm) below snorkel. (Fig. 23) cap collar as described on Page 11. 3. Install vent system. Step 5 4. Ensure a watertight seal is made around the vent Slide the 7” (178 mm) flex vent pipe over the 4” flex pipe coming through the wall. vent pipe and secure the 7” coll
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TDVN Series Direct Vent Gas Fireplace Vertical Through-the-Roof Applications This Gas Fireplace has been approved for: • Vertical installations up to 40’ (12 m) in height. Up Max. 8' (2.4m) to a 10’ (3 m) horizontal vent run can be installed within the vent system using a maximum of two 90° 4 elbows. (Fig. 28) 1 + 2 + 3 + 4 = 270° Max. 10' (3m) 3 Max. Height 40' (12m) Min. Height 7 ¹⁄₂' (2.3m) 1 2 Pipe Straps Every 3’ (914mm) FP1245 FP1244 Fig. 29 Typical offset application. Fig. 28 Suppor
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TDVN Series Direct Vent Gas Fireplace Vertical Restrictor Plate Attic Insulation Shield (33TDVN only) When installing the 33TDVN with a Vertical Through- the-Roof configured flue system the restrictor plate, Joist (#10002495) supplied with the appliance MUST BE FITTED TO THE APPLIANCE at installation. Install restrictor plate to firebox top using two (2) screws. 11" Upper Floor Ceiling 11" (279mm) (279mm) Installation Joist Firestop Spacer The legs of the restric- Nails (4) tor plate CFM100a m
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TDVN Series Direct Vent Gas Fireplace If there is a room above ceiling level, firestop spacer must be installed on both the bottom and the top side of the ceiling Min. 2’ (610 mm) joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed. The enlarged ends of the vent section always face downward. (Fig. 35) CFM190 Fig. 36 Minimum termination to roof clearance. CFM190 TTR Ternim. 2' 1/25/02 sta 20 20007636
