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Builder Direct Vent
Models: DVBR36
DVBR42
INSTALLER/CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND USING
APPLIANCE
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.
FOR YOUR SAFETY
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light an
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DVBR Series Direct Vent Gas Fireplace Table of Contents Please Read the Installation & Operating Instructions Before Using Appliance. Thank you and congratulations on the 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 .......................................
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DVBR Series Direct Vent Gas Fireplace Installation Instructions This gas appliance should be installed by a qualified installer in WARNING: Check with your electronics manufacturer accordance with local building codes and with current CSA- before installing a television or other electronic de- B149.1 Installation codes for Gas Burning Appliances and vice above this fireplace. Equipment. If the unit is being installed in a mobile home, the This appliance may be installed in an aftermarket ins
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DVBR Series Direct Vent Gas Fireplace Fireplace Dimensions (Installed as Top Vent) C Rough L Opening I Depth S M H Q N � � �" G 5/8” (16 mm) P - Rough Opening Width T Rough S Opening Height R � � �" � � �" E O B D Electrical C Access Gas Line Access F K L J A K Fig. 2 Fireplace specifications and framing dimensions. 584 Ref. DVBR36 DVBR42 Specs - top vent A 40” (1016 mm) 46” (1168 mm) 2/14/02 djt B 36” (614 mm) 36” (914 mm) C 36” (914 mm) 42” (1067 mm) D 23 ¹⁄₄” (591 mm) 24 ¹⁄₄
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DVBR Series Direct Vent Gas Fireplace Fireplace Dimensions (Installed as Rear Vent) � � Rough H Opening Depth R P � � �" G 5/8” (16 mm) O - Rough Opening Width Rough S R Opening Height Q � � �" � � �" E N L B D Electrical C M Access Gas Line Access F J K I A J Fig. 3 Fireplace specifications and framing dimensions. Ref. DVBR36 DVBR42 584 A 40” (1016 mm) Specs - rear vent 46” (1168 mm) 2/14/02 djt B 36” (614 mm) 36” (914 mm) C 36” (914 mm) 42” (1067 mm) D 23 ¹⁄₄” (591 mm) 23 ¹⁄₄” (591 mm)
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DVBR Series Direct Vent Gas Fireplace V Locating Your Fireplace W X Y Z E A B Y X C A B C D E Fireplace D Y B F Top of Combustion Chamber CFM146a LU584-1 Bottom of Door Trim Fig. 1 Locating Gas Fireplace Mantel Chart LU584-1 Locating unit CFM146 A) Flat on wall B) Cross corner C) **Island Mantel Mantel from Top DV Mantel Chart 2/4/99 djt D) *Room divider E) *Flat on wall corner F) Chase installation Ref. Shelf Depth 7/5/01 sta Ref. of Comb. Chamber Y) 6” minimum V 14” (356 mm) A
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DVBR Series Direct Vent Gas Fireplace Gas Specifications Hearth Max. Min. A hearth is not mandatory but is recommended for Gas Input Input aesthetic purposes. We recommend a noncombustible Model Fuel Control B.T.U.H B.T.U.H. hearth which projects out 12” (305 mm) or more from DVBR36RN Natural Gas Millivolt Hi/Lo 24,000 16,000 the front of the fireplace. DVBR36RP Propane Millivolt Hi/Lo 24,000 17,500 DVBR42RN Natural Gas Millivolt Hi/Lo 27,000 18,000 Cold climate installation r
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�� ����������� DVBR Series Direct Vent Gas Fireplace 1/2” Gas Supply EB-1 Electrical Box 1/2” NPT X 1/2” Flare Shut-off Valve The fireplace, when installed, must be elec- 3/8” Flex line trically connected and grounded in accor- (from valve) dance with local codes or, in the absence of local codes, with the current CSA C22.1 Canadian Electrical Code. FP297A For USA installations, follow the local Fig. 6 Typical gas supply installation. codes and the national Electrical Code Always check fo
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DVBR Series Direct Vent Gas Fireplace 6. Secure flue cover to back of flue outlet. Be sure to Optional Top Vent Application replace gasket. (Fig. 12) The DVBR36/42 fireplace is shipped as a rear vent unit. 7. Install flue pipe to top of unit with four (4) screws. Be If the layout requires a top vent, convert the unit follow- sure to replace gasket. (Fig. 12) ing the steps below. 8. Set insulation in back of unit foil side down. DVBR36 9. Secure outer collar adapter to unit with the round 1. Remo
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DVBR Series Direct Vent Gas Fireplace DVBR42 Remove Insulation 1. Remove the seven (7) screws securing the heat shield cover plate to the fireplace. (Fig. a) Discard the heat shield cover plate. Remove Screws (7) Heat Shield Cover Plate FP1543 Fig. b Remove and discard insulation. 4. Set outer collar adapter aside. 5. Remove insulation on top of collector box. (Fig. 11) FP1542 FP1543 6. Remove the four (4) screws securing flue cover to top of unit and remove flue cover. (Fig. 11) Fig. a Remov
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V Operable DVBR Series Direct Vent Gas Fireplace General Venting Information - Termination Location INSIDE CORNER DETAIL G V N H N A D E L C B ����� B V B V ������ V Fixed Operable Closed F V B M V B X J B I V K X A CFM145a VENT TERMINATION X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED V 1 2 Canadian Installations US Installations CFM145a DV Termin Location A = Clearance above grade, veranda, porch, 12” (30cm) 12” (30cm) 5/01/01 Rev. 12/05/01 deck, or balcony sta B = Clear
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DVBR 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 Unit to the Center of the Horizontal Vent Pipe DVBR Series Direct Vent Gas Fireplace Twist Lock Pipes 30 When using CFM Corporation twist-lock pipe, it is not 29 necessary to use silicone to seal the twist-lock joints. 28 The only areas that need silicone are the collars on the 27 fireplace, the telescoping pipe (if used) and the hori- 26 zontal termination connection (when necessary). The 25 female (flared) end secures to the fireplace first with the 24
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DVBR Series Direct Vent Gas Fireplace Vent Opening - Combustible Wall 9 ³⁄₈" (240 mm) 20” (506 mm) Max. Framing 10 ³⁄₈" Detail (265 mm) Top View Flat Installation FP1188 Fireplace Hearth Vent Opening - Noncombustible Wall Fig. 19 Rear vent application, no elbows. 7 ¹⁄₂" Dia. 20” (506 mm) (191 mm) Max. Fireplace Hearth VO584-100 Fig. 21 Locate vent opening on wall. VO584-100 Max. Length Vent Opening 12” (294 mm) 2/99 djt #8 Screws (2) FP1188 Top View Corner Installation Fig. 20 Rear vent
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DVBR Series Direct Vent Gas Fireplace Finished Wall These ends 12" (305mm) These ends should 1/2" (13mm) screwed to appli- be even ance Vent Termination FP1472 Fig. 25 There must be a 1” rise in 24” length. Vertical Sidewall Applications Since it is very important that the venting system FP1005 maintain its balance between the combustion air FP1472 intake and the flue gas exhaust, certain limitations Fig. 23 Side view of final unit location, twist lock pipe. rise in length FP1005 as to vent
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DVBR Series Direct Vent Gas Fireplace 7’ 3 x 90° 3 x 90° (178cm) Elbows Elbows A 10’ (254cm) B A + B = 17’ Max. FP1176 8’ (244cm) Fig. 26 Maximum three (3) 90° elbows per installation. 36" (914mm) Max. 36" V584-201 (914mm) Max. Fig. 29 Maximum vent run with elbows. In Figure 28 & 29, dimension A plus B must not be V584-201 greater than 17’ (5.2m) Horizontal Run 2/99 djt • The maximum number of 45° elbows permitted per side wall installation is two (2). These elbows can be installe
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DVBR Series Direct Vent Gas Fireplace Max. Length Vertical Sidewall Installation 12” (294 mm) Twist Lock Pipe #8 Screws (2) Step 1 Locate vent opening on the wall. It may be necessary to first position the fireplace and measure to obtain hole location. Depending on whether the wall is combustible Firestop or noncombustible, cut opening to size. (Fig. 31) (For combustible walls first frame in opening.) #8 Screws (2) NOTE: When using flex vent, the opening will have to #8 Screws be measured acco
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DVBR Series Direct Vent Gas Fireplace spring 5” (127 mm) from the previously installed spring. Sealing vent pipe and firestop gaps with high tem- Place the next spring 6” (152 mm) from the last spring. perature sealant will restrict cold air being drawn in Finally place the last spring 12” (305 mm) from the last around fireplace. spring installed. (Fig. 35) X 4” Flex Vent Pipe 12" X (305mm) Spacer Spring 6" (152mm) 5" (127mm) 6 � � �" FP1182 (172mm) FP1474 Fig. 34 Horizontal length requirem
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DVBR Series Direct Vent Gas Fireplace Do not back fill around snorkel. Below Grade Installation A clearance of at least 4” must be main- When it is not possible to meet the required vent terminal tained between the snorkel and the soil. clearances of 12” (305 mm) above grade level, a snorkel If the foundation is recessed, use recess brackets (not kit is recommended. It allows installation depth down supplied) for securing lower portion of the snorkel. Fas- to 7” (178 mm) below grade level. Th
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DVBR Series Direct Vent Gas Fireplace 5. Place firestop(s) #7DVFS into position and secure. (Fig. 43) Max. Height 40’ (12.2m) 6. Install roof support (Fig. 44) and roof flashing Min. Height 8’ (2.4m) making sure upper flange of flashing is below the shingles. (Fig. 46) 7. Install appropriate pipe sections until above the Max. 10’ (3m) flashing. (Fig. 46) 8. Install storm collar and seal around the pipe. 9. Add additional vent lengths for proper height. 10. Apply high temperature sealant to
