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INSTALLER/CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL 
Brookhaven
BEFORE INSTALLING AND 
USING APPLIANCE
Direct Vent Model: 
WARNING! 
IF THE INFORMATION IN THIS 
20DVT
MANUAL IS NOT FOLLOWED 
EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING 
PROPERTY DAMAGE, PER-
SONAL 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 any
                    
                    Summary of the content on the page No. 2 
                    
                        Brookhaven Direct Vent Gas Fireplace Table of Contents PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS  BEFORE USING 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 fully may result in a possible fire hazard and will void the warranty. Installation & Operating Instructions  Important Curing/Burning Instructions ...............
                    
                    Summary of the content on the page No. 3 
                    
                        Brookhaven Direct Vent Gas Fireplace Installation & Operating Instructions This gas appliance should be installed by a qualified  This appliance may be installed in an aftermarket per- installer in accordance with local building codes and with  manently located, manufactured home or mobile home,  current CSA-B149.1 Installation codes for Gas Burning  where not prohibited by local codes. Appliances and Equipment. For USA Installations follow  This appliance is only for use with the type of gas ind
                    
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                        Brookhaven Direct Vent Gas Fireplace 20DVT Fireplace Dimensions Rough E Opening Depth L Q K F N L O - Rough Opening Width M No drywall in this area. Rough  Must use noncombustible  Opening wall board such as DuraRock. Height J P D B C Gas Line Access G H A I Electrical Access Fig. 2  Fireplace specifications and framing dimensions.  Ref. 20DVT  A 20” (508 mm)  B 29 ¹⁄₂” (749 mm)  C 13 ¹⁄₂” (343 mm)  D 19 ³⁄₄” (502 mm)  E 14 ³⁄₄” (375 mm) 9459 20DVT specs  F 15” (381 mm) 5/06  G 1 ¹⁄₂” (38 mm)  H 
                    
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                        Brookhaven Direct Vent Gas Fireplace Clearance to Combustibles Top of Unit to Ceiling ................................32” (813 mm) Front of Unit to Combustibles ...................36” (914 mm) Appliance  Top of Standoff .........................................0” (0 mm)  Bottom ......................................................0” (0 mm)  Side .....................................................3/4” (19 mm) J I H  Back .........................................................0” (0 mm) G Vent
                    
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                        Brookhaven Direct Vent Gas Fireplace Framing and Finishing Gas Specifications      Max. Min. Air Check fireplace to make sure it is levelled      Input Input Shutter  Model Fuel Gas Control BTU/h BTU/h Setting and properly positioned.        Sides &  To mount the appliance:   20DVTRN Nat. Millivolt Hi/Lo 13,000 8,700 Bottom         Half Open 1. Choose the location.        Sides & 2. This unit comes with four (4) flanges pre-mounted   20DVTRP Prop. Millivolt Hi/Lo 13,000 8,700 Bottom  on both sides 
                    
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                        TP TPTH TH Brookhaven Direct Vent Gas Fireplace Remote ON/OFF Switch 1/2” Gas Supply Do not wire the remote ON/OFF wall switch for this gas  1/2” NPT x 1/2” Flare Shut- off Valve appliance into a 120v power supply. 3/8” Flex Line 1. Thread wire through the electrical knockout located  (From Valve) on either side of the unit. Take care not to cut the  wire or insulation on metal edges. Ensure the wire is  secured and protected form possible damage. Run  one end of the gas control valve and the ot
                    
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                        V Operable Brookhaven 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 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  A = Clearance above grade, veranda, porch,  12” (30cm) CFM145a 12” (30cm) DV Termin Location   deck, or balcony 5/01/01 Rev. 12/05/01  sta  B = Clearance t
                    
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                        Brookhaven 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 Brookhaven Direct Vent Gas Fireplace 30 Twist Lock Pipes 29 When using CFM Corporation twist-lock pipe it is not  28 necessary to use sealant on the joints. The only areas 27 26 of the venting system that need to be sealed with high  25 temperature silicone sealant are the sliding joints of any  24 telescopic vent section used in the system. 23 To join the twist lock pipes together, simply align the  22 beads 
                    
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                        Brookhaven Direct Vent Gas Fireplace Example:  According to the vent graph (Page 10) the  Horizontal plane means no vertical rise exists on this  maximum horizontal vent length in a system with a 7.5’  portion of the vent assembly. (2.3 m) vertical rise is 20’ (6 m) and if a 90° elbow is  • The maximum number of 90° elbows per side wall  required in the horizontal vent it must be reduced to 17’  installation is three (3). (Fig. 11) (5.2 m). In Figure 13 Dimension A plus B must not be  • If a 90°
                    
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                        Brookhaven Direct Vent Gas Fireplace Vent Opening for Combustible Wall 9 ³⁄₈” (240 mm) Framing  X X Detail 9 ³⁄₈” (240 mm) Fireplace Hearth Opening for Noncombustible Wall FP1181 Fig. 17  Vertical height requirements. 7 ¹⁄₂” (190 mm) STEP 5 VO584-100 Measure the horizontal length requirement including a  Fig. 15  Locate vent opening on wall. 2” (51 mm) overlap, i.e. from the elbow to the outside  wall finish plus 2”, or the distance required if installing a  STEP 2 second 90° elbow. (Fig. 18) Mea
                    
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                        Brookhaven Direct Vent Gas Fireplace STEP 7 STEP 4 Apply high temperature sealant to 4” (102 mm) and 7”  Install the 4” (102 mm) flex vent pipe to the appliance  (178 mm) collars or the termination one inch away from  collar as described on Page 13. Secure the end with the  the end. Guide the vent termination’s 4” and 7” collars  first spring 6 ³⁄₄” (172 mm) from the flex pipe end to the  into their respective vent pipes. Double check that the  unit. vent pipes overlap the collars by 2” (51 mm). Se
                    
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                        Brookhaven Direct Vent Gas Fireplace 3. Install vent system. See Page 12, Steps 2 through 5. Vertical Through-the-Roof Application 4.  Ensure a watertight seal is made around the vent  This gas fireplace has been approved for: pipe coming through the wall. • Vertical installations up to 40’ (12 m) in height. Up  5. Apply high temperature sealant caulking (supplied)  to a 10’ (3 m) horizontal vent run can be installed  around the 4” and 7” snorkel collars. within the vent system using a maximum of
                    
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                        Brookhaven Direct Vent Gas Fireplace Attic Insulation Shield 1 + 2 + 3 + 4 = 270° 1 1 2 2 Upper Floor 3 3 11” 11” 4 (279mm) (279mm) 4 Ceiling Installation Joist FP1179 Firestop  Spacer Fig. 24   Maximum elbow usage. 4. Proceed to plumb for additional openings through the  Nails (4) FP1029 roof. In all cases, the opening must provide a mini- mum of 1” (25 mm) clearance to the vent pipe, i.e.,  Fig. 26  Place firestop spacer(s) and secure. the hole must be at least 9 ³⁄₈” x 9 ³⁄₈” (240 x 240 mm). 5
                    
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                        Brookhaven Direct Vent Gas Fireplace Venting Components Starter Kit -  Model 7TDVSK - Sidewall Venting (Twist Lock Pipe)  Model 7FDVSK - Sidewall Venting (Flex Vent Pipe)  Models 7TDVTK/TV - Hot Touch Termination Kits  Model 7TDVTVTK/TV - Cool Touch Termination Kit Starter Kit - Model 7TDVSKV - Vertical Venting  for 7TDVSKV-A order 1/12 to 6/12 roof pitch  for 7TDVSKV-B order 7/12 to 12/12 roof pitch  for 7TDVSKV-F order flat roof Starter Kit for Below Grade Installation   Model 7TDVSKS -Snorkel 
                    
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                        Brookhaven Direct Vent Gas Fireplace Operating Instructions Glass Information Machine Machine  Screw Screw Only glass approved by CFM Corporation  should be used on this fireplace. • The use of any non-approved replacement glass will  void all product warranties. • Care must be taken to avoid breakage of the glass. • Do not operate appliance with glass front  removed, cracked or broken. • Replacement glass (complete with gasket and  Pull Left  Side Latch  window frame) is available through your C
                    
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                        Brookhaven Direct Vent Gas Fireplace 6. Place the log front (J12). Place the two underside  Installation of Logs holes of the log over the two pin studs of the bracket  The logs are fragile and should be handled on the left and right sides of the front burner hous- with care. Keep the packaging material out ing. (Fig. 32) of the reach of children and dispose of the  7. Place ember material on top of burner. Scatter the  mterial in a safe manner.  ember material over the tiles on the front area o
                    
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                        L O   HI Brookhaven Direct Vent Gas Fireplace Large Lava Rock Flame Characteristics The large bag of lava rock provided with this fireplace  It is important to periodically perform a visual check of  must be placed on the firebox base around the sides of  the pilot and the burner flames. Compare them to Fig- the burner assembly and on the tray beneath the grate. ures 35 & 36.  If any of the flames appear abnormal call  Under no circumstances should this large lava rock  a service person. be placed o
                    
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                        F O 3 2 ON 1   T O Brookhaven Direct Vent Gas Fireplace Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING:If you do not follow these instructions exactly, a fire or explosion  may result causing property damage, personal injury or loss of life. A. This heater has a pilot which must be lit manu- er’s instructions. ally. When lighting the pilot follow these instruc- • If you cannot reach your gas supplier, call  tions exactly. the Fire Department B. BEFORE LIGHTING sm