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1. SW T V vent Terminal a Air Supply Inlet Area where terminal is not permitted VENT TERMINAL CLEARANCES porch deck or balcon may be opened window D Vertical clearance to ventilated soffit 18 Inches 46 cm 18 Inches 46 cm located above the terminal within a horizontal distance of 2 Feet 61 cm from the center line of the terminal 12 Inches 30 cm 12 Inches 30 cm Clearance to each side of center line 3 Feet 91 cm within a height Clearance in accordance with extended above meter regulator 15 Feet 4 5m above the meter local installation codes and the assembl regulator assembl requirements of the eas supplier I Clearance to service regulator 3 Feet 91 cm Clearance in accordance with vent outlet local installation codes and the requirements of the eas supplier J Clearance to nonmechanical air supply 12 Inches 30 cm 12 Inches 30 cm inlet to building or the combustion air inlet to any other appliance Clearance to a mechanical air supply 6 Feet 1 83 m 3 Feet 91 cm above if within inlet 10 Feet 3 m horizontall L Clearance above paved sidewalk or 7 Feet 2 13m A vent shall not Clearance in accordance with paved driveway located on public terminate directly above a sidewalk or local installation codes and the property paved driveway that is located between requirements of the gas supplier two single family dwellings and serves both dwellings M Clearance under veranda porch 12 Inches 30 cm
2. 2x2 Main Burner Orifice Natural Gas Main Burner Orifice L P Gas Sight Glass Sight Glass Cover Sight Glass Pilot Burner Gasket 3 1 2x2 3 4 Pilot Burner Q350A2493 Natural Gas Pilot Burner Q350A2501 L P Gas Electrode Electrode Wire Piezo Sparker Piezo Sparker Bracket Valve MV Dexen 6003 Natural Gas for CDV155 41 84085 166 60 Generator Q313A1014 for CDV155 CDV156 43 Pilot Tubing w fittings 44 Thermostat 45 Thermostat Wire N A Insulated Staples N A Air Pan Assembly w Gasket for CDV15 N A 90 Degree Elbow 56 Vent Terminal Shield N A Blower Housing w M otor amp Blower 46 130 70 Junction 47 5 10 Junction Box Cover 48 6 30 Fan Switch 120 Degrees 50 7 80 Cord Set 51 80202 5 10 Cover plate N A 2 90 ATIN CONTRACTORS and SERVICE TECHNICIANS we only sell parts through our wholesalers but the prices listed above are for your convenience For prompt parts service contact the wholesaler from which you purchased your Cozy heater NOTE parts and schematic drawings on current models are shown at www cozyheaters com Page 17 MARCH 2013 REV 02 08 MODEL NUMBERS DIRECT VENT WALL FURNACE PARTS LIST Prices and specifications subject to change NATURAL GAS L P GAS CDV255B CDV256B without notice All prices are F O B factory CDV335B CDV336B COZY DIRECT VENT WALL FURNACE CDV25 B CDV33 B Ref No 61 62 amp 63 Not illustrated OPTIONAL VENT EXTENSION
3. HOLES INTAKE TUBE FIG 6 CDVI5 B 34 1 2 CABINET 9 DIA OPENING SHUT OFF zi FLOOR VALVE PRESSURE TAP DRIP LR SUPPLY LEG 1 2 BLACK IRON PIPE 1 MINIMUM SIDE WALL TYP WALL STUDS 16 O C TEMPLATE INTAKE TUBE CDV25 33 B FIG 6 Page 7 Inside Wall Wall Stud Wall Thimble Extension Wall Thimble Assembly Outside Wall Vent Terminal Spacer Plate Lu Terminal GAS CONNECTION Make gas connection between manual shut off valve and furnace valve with approved connectors Compounds used on threaded joints of gas piping shall be approved for use with L P gas The gas lines must be checked for leaks by the installer with soapy water or liquid detergent never an open flame If connections are not exposed a pressure test must be run Be sure to disconnect the gas supply line from the appliance valve before pressure testing The manifold pressure is pre set at the factory and should be 3 5 w c for Natural Gas and 10 w c for L P Gas The minimum inlet pressure for Natural Gas is 4 5 w c and 11 w c for L P Gas for purpose of input adjustment The maximum inlet pressure should never exceed 7 0 w c on Natural Gas or 14 w c on L P Gas FIGURE 7 To heater gas control valve Manual cut off valve gt y Gas 1 8 NPT supply y Pressure Tap Line Drip Leg FIG 4 A FOR CDV
4. 11 CDV25 B CDV33 B JULY 2012 P N 70925 Page 12 MODEL DVB 3 OPTIONAL BLOWER KIT Cont d INSTALLATION INSTRUCTIONS INSTALL ONLY ON CDVI5 B CDV25 B CDV33 B SERIES PART PART DESCRIPTION NO Sonic Blower Housing w Motor 70201 amp Blower Junction Box 43610 Junction Box Cover 43620 Fan Switch 120 Degree 70110 Cord Set 80202 FAN SWITCH Cover Shield 43078 Blower Shield CDV25 33 B 43625 PICTORIAL SCHEMATIC BLOWER If any of the original wire supplied with this appliance has to be replaced it must be replaced with type 105 degree C wire or its equivalent FIGURE 12 COVER SHIELD REMOVE AND DISCARD FIGURE 13 Page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
5. 15 CDV25 and CDV33 B Page 8 LIGHTING INSTRUCTIONS MILLIVOLT SELF GENERATING MODELS CDV155B CDV156B CDV255B CDV256B CDV335B CDV336B FOR YOUR SAFETY READ BEFORE LIGHTING This appliance has a pilot which must be lighted by hand If you cannot reach your gas supplier call the fire When lighting the pilot follow these instructions exactly department BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some Use only your hand to push in or turn the gas control knob gas 1s heavier than air and will settle on the floor Never use tools If the knob will not push in or turn by WHAT TO DO IF YOU SMELL GAS hand don t try to repair it call a qualified service Do not try to light any appliance technician Force or attempted repair may result in a fire Do not touch any electric switch do not use any phone in or explosion your building Do not use this appliance if any part has been under water Immediately call your gas supplier from a neighbor s Immediately call a qualified service technician to inspect phone Follow the gas supplier s instructions the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS STOP Read the information on the safety label Set thermostat to lowest setting Sight Glass Sight Glass Turn off all electric power to the appliance Remove cabinet Push in gas contr
6. 5 D to 15 wall use Vent Kit No VK1525 9 15 B Do not attempt to lengthen the exhaust tube air intake tube or wall thimble extension provided with furnace or the VK1525 9 15 B Vent Kit Disconnect the air intake tube and the exhaust tube from the back of the furnace and discard See Figure 6 Replace with exhaust tube and air intake tube from Kit No VK1525 9 15 B Discard the 5 telescoping wall thimble extension that surrounds the wall thimble assembly Center the wall thimble assembly in the 9 opening and attach to inside wall using eight 8 screws Install furnace flush to wall by sliding exhaust tube and air intake tube through the wall thimble assembly Secure the furnace to the wall with screws through each of the four holes in the mounting brackets located on the back of the furnace These holes are spaced so as to allow the screws to enter into studs that are on 16 inch centers On certain types of wall anchors not provided may be required From outside the building install the thick wall thimble extension Part No 43835 supplied in Vent Kit No VK1525 9 15 B by sliding it through the cut out and over the wall thimble assembly The wall thimble extension should be even with the outside wall some trimming may be necessary Slide the vent terminal onto the exhaust tube and the air intake tube Secure vent terminal and vent terminal spacer plate to wall providing a slight downward slope to the vent tubes This will prevent water from e
7. DIRECT VENT WALL FURNACE INSTALLATION AND OPERATING INSTRUCTIONS P N 70905 REV 03 2013 MODEL NUMBERS 9 NATURAL GAS CDV155B CDV255B CDV335B L P GAS CDV 156B CDV256B CDV336B 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 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions INSTALLER Leave this manual with the If you cannot reach your gas supplier call the fire appliance department CONSUMER Retain this manual for future reference INSTALLATION AND SERVICE MUST BE The coating selected to provide longer life to PERFORMED BY A QUALIFIED INSTALLER the heat exchanger may smoke slightly upon SERVICE AGENCY OR THE GAS SUPPLIER initial firing Please provide adequate ventilation if this occurs The appliance may be installed in an aftermarket permanently located manufactured home USA only or mobile home where not prohibited by local codes This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases unless a certified kit i
8. E MANUFACTURER BE LIABLE FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES OR EXPENSES ARISING DIRECTLY OR INDIRECTLY FROM ANY COMPONENT OR FROM THE USE THEREOF THE REMEDIES SET FORTH HEREIN SHALL BE THE EXCLUSIVE REMEDIES AVAILABLE TO THE USER AND ARE IN LIEU OF ALL OTHER REMEDIES SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE TABLE A Product Cozy Gas Fired Floor Furnace Cozy Gas Fired Wall Furnace Cozy Gas Fired Vented Console Heater Cozy Gas Fired Direct Vent Heater Cozy Gas Fired Counterflow Furnace Cozy Gas Fired Counterflow Direct Vent Furnace Cozy Gas Fired Mobile Home Direct Vent Furnace Cozy Gas Fired Hi Efficient Direct Vent Wall Furnace Cozy Gas Fired Direct Vent Baseboard Heater Cozy Fan Type Direct Vent Through The Wall Gas Heater Cozy Blue Flame Vent Free Heater Cozy Infra Red Vent Free Heater Warranty Period Heat Exchanger Tubes Burners 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years N A N A 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years 10 Year
9. S VK15 25 9 15 Vent Kit Assembly VK33 9 15 Vent Kit Assembly A VK15 25 15 24 Vent Kit Assembly OPTIONAL BLOWER ASSEMBLY DVB 3 DV B3 Blower Kit also includes 43078 Cover Plate 43625 Blower Shield for CDV25 33 REV 10 10 HOW TO PROPERLY ORDER PARTS In addition to part description and part number please give model number serial number and type of gas used This information can be found on the rating plate located in control compartment MODEL NUMBERS 2 CDV256B CDV336B paxrpescewrion no mcr PART DESCRIPTION NO NO PRICE NO PRICE Heat Exchanger Kit INCLUDES 1 Wrapper Ref 2 Cabinet Leg Right Leg Left Front Heat Shield Assembly Bottom Heat Shield Assembly Vent Cap with Spacer Plate Air Intake Tube Assy 5 9 Wall 6 3 4 Dia Air Intake Tube Assy 9 15 Wall Air Intake Tube Assy 15 24 Wall Air Intake Tube Gasket 8 1 2 Circle Vent Exhaust Tube Assy 5 9 Wall 4 3 16 dia Vent Exhaust Tube Assy 9 15 Wall Vent Exhaust Tube Assy 15 24 Wall Vent Exhaust Tube Gasket Requires 4 5 3 8 Circle Wall Thimble 5 9 Wall Wall Thimble Extension 5 9 Wall Wall Thimble Extension 9 15 Wall Wall Thimble Extension 15 24 Wall Wall Thimble Gasket 11x11 Burner Access Door Burner Access Door Gasket 5 1 2x11 3 8 Burner Manifold Manifold Gasket 2x2 Main Burner Orifice Nat Gas Main Burner Orifice L P Gas Sight Glass Sight Glass Cover Si
10. TEP3 NOTE BLOWER MOTOR SHOULD BE ON OPPOSITE END FROM PIEZO FOR MODELS CDV25 33 B SECURE P N 43625 BLOWER SHIELD TO BOTTOM OF HEAT SHIELD USING TWO 2 8X 1 2 SCREWS PROVIDED SEE FIGURE 11 CONNECT PIEZO WIREAND ATTACH FLOOR SHIELD TO HEATER SLIDETHE WHITE CABLE CLAMP PROVIDED OVER BOTH MOTOR LEAD WIRES AND THE POWER CORD SECURE TO LEFT SIDE OF HEATER WITH THE FRONT SCREW USED TO SECURE THE FLOOR SHIELD ATTACH THE JUNCTION BOX TO LEFT SIDE OF WRAPPER USING FOUR 8X 1 2 SCREWS PROVIDED PLUG POWER CORD INTOA 115 VOLT GROUNDED OUTLET REPLACE OUTER CASING AND FOLLOW LIGHTING INSTRUCTIONS TO PLACE HEATER IN OPERATION THE UNIT MUST BE ELECTRICALLY GROUNDED ACCORDING TO THE NATIONAL ELECTRICAL CODE ANSI NFPA NO 70 1987 THIS APPLIANCE IS EQUIPPED WITH ATHREE PRONG GROUNDING PLUG FOR YOUR PROTECTION AGAINST SHOCK HAZARD THIS APPLIANCE SHOULD BE PLUGGED DIRECTLY INTO A PROPERLY GROUNDED THREE PRONG RECEPTACLE DO NOT CUTOR REMOVE THE GROUNDING PRONG FROM THIS PLUG NOTE THIS BLOWER ASSEMBLY IS EQUIPPED WITH A TEMPERATURE ACTIVATED FAN SWITCH THAT WILL AUTOMATICALLY CYCLE THE BLOWER ON WHEN THE HEATEXCHANGER HAS REACHED A PREDETERMINED TEMPERATURE ONCE THE BURNER SHUTS OFF THIS SWITCH WILL CYCLE THE BLOWER OFF AFTER THE HEAT EXCHANGER COOLS TO THE FAN SWITCH DIFFERENTIALSETTING THIS BLOWER WILL NOT OPERATE UNLESS THE MAIN BURNER IS IN USE SHIELD COVER SHIELD Remove amp Discard CDV15 B FIGURE
11. TROL WIRES FROM THE SWITCH DOWN THE RIGHT OUTSIDE OF WRAP PER CONNECT ONE WIRE TO THE TH TERMINAL AND ONE TO THE THPP TERMINAL ON THE GAS VALVE SEE FIGURE D SLIDE A WHITE CABLE CLAMP PROVIDED OVER BOTH WIRES AND SECURE TO WRAPPER USING SCREW THAT SECURES THE FLOOR SHIELD STEP 7 IF HEATER IS NOT INSTALLED TO WALL FOLLOW INSTRUCTIONS TO DO SO STEP 8 REMOVE AND DISCARD THE LIGHTING INSTRUCTIONS SUPPLIED WITH HEATER REPLACE WITH LIGHTING INSTRUCTION SUPPLIED IN BBSK KIT STEP 9 PLACE CABINET ONTO HEATER THE CONTROL ROD SHOULD EXTEND UP THROUGH THE 2 HOLE IN TOP OF CABINET STEP 10 PLACE THE CONTROL KNOB ONTO THE CONTROL ROD AND SECURE BY PUSHING DOWN STEP 11 FOLLOW THE LIGHTING INSTRUCTIONS TO PLACE THE HEATER IN OPERATION RIGHT SIDE OF RIGHT SIDE OF p INNER WRAPPER INNER WRAPPER Sensing Bulb FIGURE B FIGURE D Page 14 LIGHTING INSTRUCTIONS for Optional BBSK This appliance has a pilot which must be lighted by hand If you cannot reach your gas supplier call the fire When lighting the pilot follow these instructions exactly department BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some Useonly your hand to push in or turn the gas control knob gas 1s heavier than air and will settle on the floor Never use tools If the knob will not push in or turn by WHAT TO DO IF YOU SMELL GAS hand don t try to repair it call a
12. and air intake tube through the wall thimble assembly Secure the furnace to the wall with screws through each of the four holes in the mounting brackets located on the back of the furnace These holes are spaced so as to allow the screws to enter into studs that are on 16 inch centers On certain types of wall anchors not provided may be required From outside the building install the thick wall thimble extension Part No 43835 supplied in Vent Kit No VK33 9 15 B by sliding it through the cut out and over the wall thimble assembly The wall thimble extension should be even with the outside wall some trimming may be necessary Slide the vent terminal onto the exhaust tube and the air intake tube Secure vent terminal and vent terminal spacer plate to wall providing a slight downward slope to the vent tubes This will prevent water from entering Anchors not provided may be required Caulk around the vent terminal spacer plate with putty provided See Figure 7 NOTE Some framing may be necessary to provide a flat surface for the vent terminal spacer plate to butt against so rain cannot enter through cut out Page 6 Boo CABINET 9 DIA OPENING GAS VALVE INLET 4 NER 1 2 FLOOR Center Line Pipe Elbow E 1 18 N P T SHUT OFF 8 PRESSURE TAP VALVE i GAS SUPPLY DRIP LEG 4 3 Lj 1 2 BLACK IRON PIPE FIG 4 CDVI5 B MINIMUM SIDE WALL WALL STUDS y 16 O C 11 EMPLATE MOUNTING
13. by a qualified installer or service technician SYMPTOM POSSIBLE CAUSES Flame too large 1 Defective operator section of valve 2 Burner orifice too large 3 If installed above 2 000 ft Yellow burner flame 1 Clogged burner ports 2 Obstruction around vent cap Gas odor Delayed Ignition Pilot flame too small 2 Burner ports clogged at pilot 3 Low gas pressure 4 Pilot decreases in size when main burners come on 1 Main gas off 2 Thermostat not set high enough to call for heat 3 Clogged burner orifice Failure to Ignite 4 Thermostat wired wrong or defective 5 Defective valve 1 Defective or damaged thermostat wire or thermostat Burner won t turn off 2 Thermostat location 3 Defective or sticking valve 4 Excessive gas pressure Incorrect gas 1 Gas input not checked input 2 Clogged orifice Not enough heat Furnace undersized 2 Thermostat set too low 3 Incorrect supply pressure CORRECTIVE ACTION 1 Replace valve 2 Check with local gas company for proper oriifce size and replace 3 See burner orifice section Page 10 1 Remove main burner and check for obstructions in throat ports and orifices Clean but do not enlarge ports or orifices 2 Make sure area around vent cap is clear be sure vent system is sealed 1 Gas leak 1 Page 1 1 Adjust pilot flame 2 Clean burner ports do not enlarge 3 Check gas supply pre
14. d replace gasket if needed 4 Follow instructions Check both exhaust and air intake tubes and vent cap Be sure all gaskets are in place and properly sealed Use only tubes and vent cap supplied Do not alter vent tubes or cap Replace with correct tubes MAINTENANCE INSTRUCTIONS For proper and safe operation keep furnace and furnace area clean At regular intervals turn control valve to off let cool and clean inside control compartment and under heater To clean front panel use only a damp cloth do not use any kind of solvent or cleaning fluid that could leave a residue or invisible coating that would burn or give off fumes when furnace is turned on Have the furnace checked cleaned and repaired by a qualified service technician Check venting system pilot and burner operation prior to use each year Follow a regular service and maintenance schedule for safe and efficient operation Do not obstruct combustion and ventilation air Examine the venting system as a routine part of the safety performance check on an annual basis If the air intake tube or the exhaust tube 1s removed follow Step 3 of the installation section for re assembly Be sure to check gaskets and replace if there 1s any sign of damage If the heat exchanger 1s removed check the heat exchanger intake gasket and replace if there 15 any sign of damage Be sure the gasket is in place when the heat exchanger is replaced Failure to replace any gas
15. ed waived by the user The manufacturer shall have no liability or be required to perform any obligation under this warranty unless when requested the user returns at the user s expense the component or product claimed defective to the manufacturer for inspection to enable the manufacturer to determine if the claimed defect is covered by this warranty No charges for freight labor or other expenses incurred in the repair removal or replacement of any product or component claimed to be defective will be paid by the manufacturer to the user and the manufacturer will not be liable for any expenses incurred by the user in remedying any defect in the product Service under this warranty is the responsibility of the installer In the event service under this warranty is needed the user of the product shall request such service directly from the installer If the user is unable to locate the installer the user should write directly to the manufacturer and the name of an alternative service source will be supplied The product safety registration card packed inside the appliance must be completed and returned to the factory THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED WHETHER WRITTEN OR ORAL ANY IMPLIED WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE 15 EXPRESSLY LIMITED TO THE DURATION OF THE MANUFACTURER S EXPRESS WRITTEN WARRANTY UNDER NO CIRCUMSTANCES SHALL TH
16. ght Glass Pilot Burner Gasket 3 1 2x2 3 4 Pilot Burner Q350A 2493 Nat Gas Pilot Burner Q350A2501 L P Gas Electrode Electrode Wire Piezo Sparker Piezo Sparker Bracket Valve M V Dexen 6003 Natural Gas 39 84085 166 60 84085 166 60 Valve M V Dexen 6003LP L P Gas 84086 177 20 84086 177 20 mz i Un QN Oo Oo Go GO Ga Go C2 ON BY BR N Go oo Uo Pilot Generator Q313A1014 M illivolt 40 Pilot Tubing w fittings 41 Thermostat M illivolt 42 Thermostat Wire N A Insulated Staples N A 74209 1 60 Gasket Air Pan Top amp Bottom 15 1 4x1 61 70074 1 60 Gasket Air Pan Sides 25x1 62 70073 1 60 90 Degree Elbow 56 70352 13 10 Vent Terminal Shield N A 74 60 Blower Housing w M otor amp Blower 46 70201 130 70 Junction Box 47 43610 5 10 Junction Box Cover 48 Fan Switch 120 degree 50 Cord Set 51 Cover Plate N A Blower Shield N A Left Air Intake Baffle N A Right Air Intake Baffle N A ATTN CONTRACTORS and SERVICE TECHNICIANS we only sell parts through our wholesalers but the prices listed above are for your convenience For prompt parts service contact the wholesaler from which y ou purchased y our Cozy heater NOTE Parts amp schematic drawings on current models are shown at www cozyheaters com Requires 2 Page 19 REV 10 2010 MARCH 2013 TROUBLE SHOOTING CHART For use
17. hru 9 pushed in slightly If knob does not pop up when released STOP and Do not force immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas Wait five 5 minutes to clear out any gas Then smell control knob to OFF and call your service technician or for gas including near the floor If you smell gas gas supplier STOP Follow B in the safety information on the Close sight glass cover safety label If you don t smell gas go to the next step Turn gas control knob counterclockwise to ON Open sight glass cover Replace cabinet Locate red piezo ignitor button inside gas control Replace temperature control knob compartment Locate pilot behind sight glass Follow Turn on all electric power to the appliance metal pilot tube from gas control Set temperature control knob to desired setting TO TURN OFF GAS TO APPLIANCE Set the temperature control knob to it s lowest setting Remove temperature control knob Turn off all electric power to the appliance if service is to be performed Remove cabinet Push in gas control knob slightly and turn clockwise to OFF Do not force Replace cabinet Replace temperature control knob P N 91285 03 07 MPO tA RD IS Page 15 MODEL NUMBERS DIRECT VENT WALL FURNACE MILLIVOLT PARTS LIST NAT GAS L P GAS Prices and specifications subject to change CDV155B CDV156B witho
18. including near the floor If you smell gas STOP Follow B in the safety information on the safety label If you don t smell gas go to the next step Open sight glass cover Locate red piezo ignitor button inside gas control compartment Locate pilot behind sight glass Follow metal pilot tube from gas control PILOT ADJUSTMENT Locate pilot adjustment cap on valve and remove See Figure 8 Pilot flame should surround the top 3 8 to 1 2 inch of powerpile thermocouple see Figure 9 To increase pilot flame turn pilot adjustment screw see Figure 8 counterclockwise To decrease pilot flame turn screw clockwise After a proper pilot flame is established replace pilot adjustment cap be sure gasket located on bottom of cap head is in place The gas supply to the pilot is unregulated When line pressure exceeds 7 w c Natural Gas 11 w c L P Gas pilot adjustment must be made TO REMOVE MAIN BURNER FOR INSPECTION AND CLEANING Remove outer casing Disconnect gas supply to valve Remove 11 screws holding burner door to heat exchanger and lift out complete burner valve assembly 4 After inspecting burner place back into heat exchanger Be sure door gasket is not damaged and will effect a proper seal or pilot outage will occur 5 Tighten screws holding burner door to heat exchanger 6 Connect gas supply back to valve 7 Install front panel and follow lighting instructions per NOTE The furnace and al
19. ket that has been damaged may result in property damage personal injury or loss of life WARNING THIS IS A GAS FIRED APPLIANCE KEEP THE AREA CLEAR OF GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS ALL COMBUSTIBLE MATERIAL MUST BE KEPT CLEAR OF THIS AREA TO AVOID FIRE OR EXPLOSION Page 21 SERVICE RECORD VAAL NAZ VAAAA AV AV ANA V AV AV AV A AAAAAAAAAAA VAVAVAVAVAVAVAVA VA VA VAVANVAVA VA VA VA VA V AV AVA VA VA V A VD LIMITED WARRANTY The Louisville Tin amp Stove Co warrants to the original user the accompanying product for the period specified herein provided said product is installed operated maintained serviced and used according to the instructions and specifications accompanying the product AS OUTLINED IN OUR INSTRUCTIONS ANY WARRANTY CONSIDERATIONS ARE CONTINGENT ON INSTALLATION BY A QUALIFIED INSTALLER CONTRACTOR SELF INSTALLATION IS PROHIBITED AND WILL INVALIDATE YOUR WARRANTY If within a period of one year from the date of installation of the product any part supplied by the manufacturer proves to be defective due to workmanship or material it will replace such part provided parts have not been subjected to misuse alteration neglect or accidents The term of the warranty for the heat exchanger and burners is covered in Table A below Any claim not made within ten 10 days after the expiration of the warranty period shall be deem
20. l components must be inspected at least annually by a qualified service technician This should include the burner heat exchanger and vent system Be sure that the flow of combustion and ventilation air are not obstructed BURNER ORIFICE This appliance is orificed at the factory for elevations up to 2 000 ft If installed above 2 000 ft the BTU input must be reduced 446 per 1 000 ft See the following orifice chart for the proper orifice for a specific elevation Orifice change must be completed by a qualified installer or service technician NATURAL GAS SPECIFIC ELEVATIONS ORDER KIT 49800 44 1 HIGH ALTITUDE KIT L P GAS SPECIFIC ELEVATIONS Pilot Adj Screw FIGURE 8 Pilot flame should envelop 3 8 1 2 of powerpile or thermocouple FIGURE 9 WIRING DIAGRAM Thermostat Pilot Generator Leads Wire WIRING DIAGRAM ORDER KIT 49800 44 1 HIGH ALTITUDE KIT Page 10 CAUTION Label all wires prior to disconnec tion when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing PROPER BURNER FLAME The burner flame may be observed by raising the sight glass cover A proper flame will have a dark blue inner mantle that sits right on top of the burner with a lighter blue outer mantle rising over the burner see Figure 10 There may be some yellow where the pilot flame and burner flame meet There is no primary air adjustment on the bur
21. n other than a residential application may result in unsatisfactory performance and may void the warranty 3 This appliance must be installed in accordance with local codes if any if not follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the National Gas and Propane Installation Code CSA B 149 1 Do not install this wall furnace in a recreational vehicle or trailer Do not operate wall furnace unless it is connected to the supplied vent system with vent cap in place Check the rating label attached to the wall furnace to be sure it is equipped for the type gas you intend to use Never use a match candle flame or other source of ignition to check for gas leaks Use only soapy water or liquid detergent Have your wall furnace and vent system inspected at least annually by a qualified service technician CON Page 2 16 17 18 19 20 21 22 25 SAFETY RULES CONT D Before cleaning or servicing turn off the gas and allow furnace to cool Do not operate wall furnace without outer casing in place Due to high temperatures the wall furnace should be located out of traffic and away from furniture and drapes Children and adults should be alerted to the hazard of high surface temperature and should be kept away to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room with the wall furnace Do not place clothing or other flammable material on or nea
22. nace Do not attempt to lengthen the exhaust or air intake tubes this could cause an imbalance in the furnace resulting in poor performance and pilot outage see Figure 6 Extend the telescoping wall thimble extension surrounding the wall thimble assembly to approximately 9 inches Center the wall thimble assembly in the 9 inch opening and attach to inside wall using eight 8 screws The wall thimble extension should extend through the opening and be adjusted so end of wall thimble extension is even with outside wall Install furnace flush to wall by sliding exhaust tube and air intake tube through the wall thimble assembly Secure the furnace to the wall with screws through each of the four holes in the mounting brackets located on the back of the furnace These holes are spaced so as to allow the screws to enter into studs that are on 16 inch centers On certain types of wall anchors not provided may be required Slide the vent terminal onto the exhaust tube and the air intake tube Secure vent terminal and vent terminal spacer plate to wall providing a slight downward slope to the vent tubes This will prevent water from entering Anchors not provided may be required Caulk around vent terminal spacer plate with putty provided See Figure 7 NOTE Some framing may be necessary to provide a flat surface for the vent terminal spacer plate to butt against so rain cannot enter through cut out Page 5 INSTALLING FURNACE 9 TO 15 WALLS CDV15 CD V2
23. ner and proper flame is assured since the correct manifold pressure and orificing has been done at the factory zen 3 4 OUTER FLAME 3 8 INNER 3 8 INNER MANTLE MANTLE FIGURE 10 CDV25 33 B THERMOSTAT INSTALLATION FOR CDVI155B CDV156B CDV255B CDV256B CDV335B CDV336B MODELS ONLY Follow the instructions included with the thermostat If the thermostat is to be wall mounted select a location in the same room as the heater approximately five feet above the floor on an inside wall where it won t be affected by heat or cold sources such as direct sunlight televisions fireplaces hidden hot or cold water pipes drafts etc The thermostat must not be placed in an adjacent room The furnace is equipped with a self generating control system never connect to a 24 volt transformer or household electric system Do not splice or attempt to use more thermostat wire than is supplied Connect thermostat wires to thermostat and mount thermostat to wall run wire to furnace securing with insulated staples provided and connect to valve terminals marked TH see Figure 8 Page 11 MODEL DVB 3 OPTIONAL BLOWER KIT INSTALLATION INSTRUCTIONS INSTALL ONLY ON CDV15 B CDV25 B CDV33 B SERIES STEP 1 STEP 2 STEP 3 STEP 4 REMOVE OUTER CASING REMOVE FLOOR SHIELD FROM BOTTOM OF HEATER AND DISCONNECT PIEZO WIRE REMOVEAND DISCARD COVER SHIELD SAVESCREWS ATTACH BLOWER TO BOTTOM OF FLOOR SHIELD USING SCREWS SAVED IN S
24. ntering Anchors not provided may be required Caulk around the vent terminal spacer plate with putty provided See Figure 7 NOTE Some framing may be necessary to provide a flat surface for the vent terminal spacer plate to butt against so rain cannot enter through cut out INSTALLING FURNACE 15 TO 24 WALLS 15 C D V25 D 15 to 24 wall use only Vent Kit No VK1525 15 24 B Do not attempt to lengthen the exhaust tube air intake tube or wall thimble extension provided with furnace The VK1525 15 24 B Vent Kit has a one inch restrictor in the exhaust tube which is necessary for proper and safe operation of this furnace Do not use any other vent kit Disconnect the air intake tube and the exhaust tube from the back of the furnace and discard see Figure 6 Install the exhaust tube and air intake tube from Vent Kit No VK1525 15 24 B Discard the 5 telescoping wall thimble extension that surrounds the wall thimble assembly Center the wall thimble assembly in the 9 opening and attach to inside wall using eight 8 screws Install furnace flush to wall by sliding exhaust tube and air intake tube through the wall thimble assembly Secure the furnace to the wall with screws through each of the four holes in the mounting brackets located on the back of the furnace These holes are spaced so as to allow the screws to enter into studs that are on 16 inch centers On certain types of walls anchors not provided may be required From out
25. ol knob slightly and turn clockwise fi to Gas Control Knob Turn gas control knob counterclockwise PILOT NOTE Knob can Push in gas control knob and hold in Immediately begin a not be turned from series of pushing and releasing the red piezo ignitor button PILOT to OFF while observing the pilot through the sight glass Continue unless knob is to spark until pilot is lit Continue to hold the gas control pushed in slightly knob in for about one 1 minute after the pilot is lit Release Do not force the gas control knob and it will pop back up Pilot should remain lit If pilot goes out repeat steps 4 thru 9 If knob does not pop up when released STOP and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier Close sight glass cover Turn gas control knob counterclockwise Y to ON Replace cabinet Turn on all electric power to the appliance Set thermostat to desired setting TO TURN OFF GAS TO APPLIANCE Set the thermostat to it s lowest setting Turn off all electric power to the appliance if service is to be performed Open cabinet door Push in gas control knob slightly and turn clockwise to OFF Do not force Close cabinet door P N 91251 03 07 Page 9 Wait five 5 minutes to clear out any gas Then smell for gas
26. onal injury or loss of life Any safety screen or guard removed for servicing must be replaced prior to operating heater A gas appliance must not be connected to a chimney flue serving a separate solid fuel burning appliance CLEARANCES CDV15 B CDV25 CDV33 B ALL VENT CAPS CEILING CEILING TIT ill E ge LEFT SIDE WALL T RIGHT SIDE WALL SR o 2 S B ASAU N 4 z 2 m un L m RIGHT SIDE WALL 1 1 2 FLOOR FIGURE 1 FIGURE 2 FIGURE 3 1 When the wall furnace is installed directly on carpeting or other combustible material other than wood flooring the furnace shall be installed on a metal or wood panel extending the full width and depth of the furnace RESIDENTIAL GARAGE INSTALLATION Gas utilization equipment in residential garages shall be installed so that all burners and burner ignition devices are located not less than 18 inches 46cm above the floor Such equipment shall be located or protected so it 1s not subject to damage by a moving vehicle Use care in selecting a good location within the garage DO NOT locate the appliance where heated air will be directed onto a nearby parked vehicle Paint may discolor or rubber may harden and crack DO NOT allow heated discharge air to blow directly onto open or closed containers of paint gasoline or other liquids having flammable vapors Page 3 FA oe AN EE 8 D
27. permitted only if Clearance in accordance with deck or balcony veranda porch deck or balcony is local installation codes and the fully open on a minimum of two sides requirements of the gas supplier Tn accordance with the current CSA B 149 1 Natural Gas and Propane Installation Code 2 naaccordance with the current ANSI Z223 1 NFPA 54 National Fuel Gas Code Page 4 LOCATION 1 The wall furnace must be installed on an outside wall 2 For most efficient performance locate furnace as centrally as possible in the area to be heated and where occupants may move about freely without coming into contact with the grille 3 Ifthe furnace is installed in a basement a 12 clearance must be maintained between ground level and the bottom of the vent cap Do not install furnace where vent cap will terminate in a window well or any other opening below ground level INSTALLATION Failure to follow these instructions carefully could result in poor performance property damage personal injury or death STEP 1 LOCATE VENT OPENING Locate wall studs and center 9 vent opening a minimum of 22 for CDV 15 or 24 1 8 for CDV25 33 above the floor To locate furnace at minimum clearance from floor remove template from carton and set on floor at location desired model CDV15 position template no closer than 1 from either side wall For model CDV25 33 position template 1 minimum from a left side wall or 0 from a right side wall Check ou
28. qualified service Do not try to light any appliance technician Force or attempted repair may result in a fire Do not touch any electric switch do not use any phone in or explosion your building Do not use this appliance if any part has been under water Immediately call your gas supplier from a neighbor s Immediately call a qualified service technician to inspect phone Follow the gas supplier s instructions the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS STOP Read the information on the safety label Set temperature control knob located on top of cabinet to lowest setting Turn off all electric power to the appliance Remove temperature control knob by pulling straight up Sight Glass 4 Sight Glass Cover Remove cabinet Push in gas control knob slightly and turn clockwise to OFF Turn gas control knob counterclockwise to PILOT Gas Control Knob Push in gas control knob and hold in Immediately begin a series of pushing and releasing the red piezo ignitor button while observing the pilot through the sight glass Continue NOTE Knob can to spark until pilot is lit Continue to hold the gas control not be turned from knob in for about one 1 minute after the pilot is lit Release PILOT to OFF the gas control knob and it will pop back up Pilot should unless knob is remain lit If pilot goes out repeat steps 4 t
29. r the furnace Installation and repair should be done by a qualified service technician The wall furnace should be inspected before use and at least annually by a professional service technician More frequent cleaning may be required due to excessive lint from carpeting bedding material etc It is imperative that control compartments burner and circulating air passageways of the furnace be kept clean Do not install in a closet alcove or small hallway where the furnace could be isolated from the space to be heated by closing a door Do not put anything around the furnace or vent cap that will obstruct the flow of combustion and ventilation air The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the latest edition of National Electrical Code ANSI NFPA 70 In Canada use CSA C22 1 Canadian Electrical Code Never operate this furnace without the sight glass in place or with the glass broken or missing If it is suspected that rising water may enter the furnace turn off the gas immediately Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water It is necessary to replace damaged gaskets or sealing material within the vent or air intake system Failure to do so may result in property damage pers
30. s 19 Gas 8 Trouble Shooting eee se 18 BBSK Instructions ccccccccccccccceeeeeeeeees 12 13 Pat SO CU 14 16 Lighting Instructions 9 Parts 1S Gcccucacasacdaaccossacavecennce cence 15 17 Pilot Adjustment 10 Warr GUY E 21 INTRODUCTION THIS IS A GAS FIRED DIRECT VENT WALL FURNACE THAT WILL OPERATE SAFELY AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN INSTALLED OPERATED AND MAINTAINED AS RECOMMENDED IN THESE INSTALLATION AND OPERATING INSTRUCTIONS READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING SERVICING OR USING THE APPLIANCE IF YOU DO NOT UNDERSTAND ANY PART OF THESE INSTRUCTIONS CONSULT LOCAL AUTHORITIES OTHER QUALIFIED INSTALLERS SERVICE TECHNICIAN THE GAS SUPPLIER OR THE MANUFACTURER SPECIFICATIONS AND DIMENSIONS Your Direct Vent Wall Furnace is shipped complete in one carton This carton contains the furnace vent cap vent tube air inlet tube template with rough in dimensions installation and operating instructions and the thermostat with thermostat wire 1f applicable NOTE There will be two cartons 1f optional vent kit or blower is purchased MAX WALL MIN WALL HEIGHT THICKNESS THICKNESS SAFETY RULES 1 Improper installation adjustment alteration service or maintenance can cause property damage bodily injury or death 2 Usei
31. s N A LOUISVILLE TIN amp STOVE COMPANY 731 S 13 STREET LOUISVILLE KY 40210 IN NN NNN NVVN VNV VVV VVV V V V V AAA AAAAAAAAA AA AAAAAAAAAAAA AAAA
32. s used WARNING Operation of this furnace without the properly installed furnished vent system and vent cap could result in Carbon Monoxide CQO poisoning and possible death For your safety this furnace and the vent system should be inspected at least annually by a qualified service technician Installation maintenance service trouble shooting and repairs must be performed by a qualified service agency Mr Mrs Homeowner DO NOT attempt any of these procedures yourself as this could expose you to property damage personal injury or loss of life and will invalidate all warranties The State of Massachusetts requires that installation and service of a gas appliance be performed by a plumber or gas fitter licensed in the Commonwealth of Massachusetts CONTENTS 2 Burner 1 10 Specifications and Dimensions 2 Wiring Diagram c M 10 Safety 2 3 Removing 10 1 3 4 Proper Burner Flame 11 5 Thermostat Installation 11 Installation cene 5 8 Installing Optional Blower Kit 11 Vent Kits ccccccsscccccceceseessscccceeeeeeeestaes 5 7 Maintenance Instruction
33. side the building install the wall thimble extension Part No 43730 supplied in Vent Kit No VK1525 15 24 B by sliding it through the cut out and over the wall thimble extension For walls 15 to 19 the wall thimble extension air intake tube and the exhaust tube must be trimmed even with the outside wall Slide the vent terminal onto the exhaust tube and into the air intake tube Secure vent terminal and vent terminal spacer plate to wall providing a slight downward slope to the vent tubes This will prevent water from entering Anchors not provided may be required Caulk around the vent terminal spacer plate with putty provided see Figure 7 NOTE Some framing may be necessary to provide a flat surface for the vent terminal spacer plate to butt against so rain cannot enter through the cut out INSTALLING FURNACE 9 TO 15 WALLS CD V33 B Foro to 15 watt use Vent Kit No VK33 9 15 B Do not attempt to lengthen the exhaust tube air intake tube or wall thimble extension provided with furnace or the VK33 9 15 B Vent Kit Disconnect the air intake tube and the exhaust tube from the back of the furnace and discard See Figure 6 Replace with exhaust tube and air intake tube from Kit No VK33 9 15 B Discard the 5 telescoping wall thimble extension that surrounds the wall thimble assembly Center the wall thimble assembly in the 9 opening and attach to inside wall using eight 8 screws Install furnace flush to wall by sliding exhaust tube
34. ssure 4 Supply piping is too small Consult local gas company or competent installer 1 Open all manual gas valves 2 Set thermostat to higher temperature 3 Clean burner orifice do not enlarge 4 Check wiring jump across thermostat terminals at valve if valve opens re check wires replace thermostat 5 Replace valve 1 Can be checked by removing wire from valve terminal If valve goes off replace wire or thermostat 2 Follow instructions check location 3 Clean or replace valve 4 Contact utility supplying gas 1 Re check gas input 2 Clean orifice with a smooth wood toothpick do not enlarge 1 This is especially true when a dwelling or room is enlarged Have the heat loss calculated and compare to furnace output Your gas company can supply you with this information If furnace is undersized replace with correct size unit 2 Raise temperature setting 3 Check supply pressure loo muc Thermostat set too high Lower temperature setting 2 Combination control valve stuck open 2 Replace combination control valve Pilot and main burner go out during normal operation 1 Weak powerpile or thermocouple 2 Input too high 3 Cover around pilot lighter hole not air tight 4 Vent tubes not properly installed or sealed 5 Incorrect vent tubes Page 20 Check millivoltage and replace if low 2 Check input rate 3 Tighten wing nuts securing cover and sight glass Check an
35. tside wall to be sure there is proper clearances around the vent cap See Figure 3 Next mark and cut out the vent openings on both the inside and outside walls be sure to keep the holes level See Figure 5 If a higher location on the wall 1s desired raise bottom of template to desired height make sure template is level and centered between studs mark and cut out vent openings STEP 2 ROUGH IN GAS SUPPLY Install a 1 2 diameter gas supply line This line can enter through the floor side or rear wall For location of gas connection to valve see Fig 4 The gas supply line must have an individual manual shut off valve located outside the cabinet accessible from the room where the heater is installed Install a drip leg immediately ahead of the gas valve and provide a 1 8 N P T plugged tapping accessible for test gauge connection immediately upstream of the gas supply connection The furnace and the individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5kPa The furnace must be isolated from the gas supply piping system by closing the individual manual shut off valve during any pressure testing of the gas piping system at test pressures equal to or less than 1 2 psig 3 5kPa STEP 3 INSTALLING FURNACE 5 TO 9 WALLS Use only the exhaust tube air intake tube wall thimble extension and vent terminal provided with fur
36. ut notice All prices are F O B factory COZY DIRECT VENT WALL a CDV15 B 9 OPTIONAL VENT EXTENSIONS O VK1525 9 15 Vent Kit Assembly 5 A VK1525 15 24 Vent Kit Assembly OPTIONAL BLOWER ASSEMBLY DVB 3 DVB2 Blower Kit also includes 43078 Cover Plate 43625 Blower Shield for CDV25 33 REV 12 08 HOW TO PROPERLY ORDER PARTS In addition to part description and part number please give model number serial number and type of gas used This information can be found on the rating plate located in control compartment NAT CDV155B REF PART LIST 1 Heat Exchanger 42565 218 00 70062 2 40 Vent Exhaust Tube Gasket 5 3 8 Circle Wrapper Assembly w Comb Air Pan 43051 116 00 Cabinet 42555 148 90 Front Heat Shield 9 60 Bottom Heat Shield 7 20 Vent Cap amp Spacer Plate 136 70 Air Intake Tube Assy 5 9 Wall 6 3 4 Dia 18 80 Air Intake Tube Assembly 9 15 Wall Air Intake Tube Assembly 15 24 Wall Air Intake Tube Gasket 8 1 2 Circle Vent Exhaust Tube Assy 5 9 Wall 4 3 16 Dia Vent Exhaust Tube Assembly 9 15 Wall Vent Exhaust Tube Assembly 15 24 Wall Wall Thimble Assembly 5 9 Wall Wall Thimble Extension 5 9 Wall Wall Thimble Extension 9 15 Wall Wall Thimble Extension 15 24 Wall Wall Thimble Gasket 11x11 Burner Access Door Heat Exchanger Door Gasket 11 3 8x5 1 2 Burner Gasket Main Burner Manifold Manifold Gasket

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