Lochinvar COPPER-FIN II CF-1261, Designer'S Manual

Page 1: ...DESIGNER S GUIDE COPPER FIN II WATER HEATER 4 0 0 0 0 0 2 0 7 0 0 0 0 B t u h r ...

Page 2: ...ed in a succinct easy to use manner so you can use and share information confidently and with minimal effort However it is important to remember that this guide is not intended to replace our installation manual Installers should still refer to our installation manual for specific installation instructions We hope this manual will make your work easier and more productive As always we greatly appr...

Page 3: ...g Powered Vent Cap Shown 10 FIG 11 Powered DirectAire Horizontal Powered Vent Cap Shown 11 FIG 12 Vertical Vent Air Inlet 13 FIG 13 Vertical Vent Sidewall Air Inlet 13 FIG 14 Aire Lock Direct Vent 14 FIG 15 Sidewall Vent 15 FIG 16 Outdoor Venting 16 TABLE A Combustible Floor Kits 3 TABLE B Clearances From Combustibles 4 TABLE C Flue Sizes Inlet Air Pipe Sizes 9 TABLE D Powered Sidewall Vent Kits 1...

Page 4: ...local codes LOCATION OF UNIT Locate the unit so that if water connections should leak water damage will not occur When such locations cannot be avoided it is recommended that a suitable drain pan adequately drained be installed under the unit The pan must not restrict combustion air flow 2 L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6 1 5 8 8 9 8 9 0 0 ...

Page 5: ...24 beyond the sides The blocks must be placed in line so that the holes line up horizontally to provide a clear passage through the blocks This procedure should also be followed if electrical conduit or radiant heat distribution piping runs through the floor and beneath the appliance Ensure that combustible floor base meets local fire code requirements The correct kit number for the required base ...

Page 6: ...utdoor Venting Pg 16 SPECIAL LOCATION OUTDOOR USE Outdoor models have additional location and clearance requirements These requirements must be adhered to carefully since wind rain snow and cold cannot be controlled in outdoor applications See Outdoor Installation in the venting section on page 16 Lochinvar 5 FIG 2 MODELS CF 401 751 INSTALLED WITH OPTIONAL COMBUSTIBLE FLOOR BASE TABLE B CLEARANCES...

Page 7: ...OR INTERFACE PANEL GAS CONNECTION DRAIN LEFT SIDE OPERATOR INTERFACE PANEL BURNER INSPECTION PORT FRONT AIR INLET HOT WATER OUTLET COLD WATER INLET FLUE PRODUCTS VENT 120V ELECTRICAL CONNECTION TERMINAL STRIP CF401 751 CF991 2071 FLUE PRODUCTS VENT GAS CONNECTION TERMINAL STRIP DRAIN BURNER INSPECTION PORT LEFT SIDE FRONT COLD WATER INLET HOT WATER OUTLET AIR INLET BACK ...

Page 8: ...top of the enclosure If combustion and ventilation air is taken from the outdoors using a duct to deliver the air to the mechanical room each of the two openings should be sized based on a minimum free area of one square inch per 2000 Btu input 11cm2 per kW If air is taken from another interior space each of the two openings specified above should have a net free Lochinvar 1 2 3 EXAMPLE OF SIZING ...

Page 9: ...ll construction or insulated in the field A Category I appliance operates with a non positive static vent pressure and with flue loss greater than 17 percent Vent installations for connection to gas vents or chimneys must be in accordance with Part 7 Venting of Equipment of the latest edition of the National Fuel Gas Code ANSI Z223 1 or applicable provisions of the local building codes The connect...

Page 10: ...system must be adequately supported in compliance with local codes and other applicable codes Vent Terminations The vent terminal should be vertical and exhaust outside the building at least 2 feet 0 6m above the highest point of the roof when within a 10 foot 3 05m radius Additionally vertical terminations must be a minimum of 3 feet 0 9m above the roof line and when less than 10 feet 3 05m from ...

Page 11: ...ent sizing tables in the latest edition of the National Fuel Gas Code FAN applies to fan assisted combustion appliances in Category I Multiple unit installations with combined venting also require barometric dampers to regulate draft at each unit Again the negative draft must be within the range of 0 02 to 0 08 inches of negative water column to ensure proper operation L o c h i n v a r D E S I G ...

Page 12: ...r draft This will result in condensing of flue products damage of the masonry flue tile insufficient draft and possible spillage of flue products into an occupied living space Carefully inspect all chimney systems during the project design phase If there is any doubt about the sizing or condition of a masonry chimney it is prudent to reline the chimney with a properly sized and approved chimney li...

Page 13: ... powered vent cap must be made with listed Type B double wall or equivalent vent and accessories The installer supplies this vent pipe material For models CF401 751 maximum total equivalent length of the vent pipe cannot exceed 50 equivalent feet 15 24m Models CF991 2071 allow a maximum total equivalent length of 100 feet 30 48m Subtract 5 feet 1 52m for each elbow in the vent Power DirectAire Hor...

Page 14: ...water heater The use of double wall vent material is recommended in cold climates to prevent the condensation of airborne moisture For models CF401 751 maximum total equivalent length of the vent pipe and combustion air inlet pipe cannot exceed 50 equivalent feet 15 24m Models CF991 2071 allow a maximum total equivalent length of 100 feet 30 48m for each pipe Subtract 5 feet 1 52m for each elbow i...

Page 15: ...is used to supply the combustion air to each unit The use of double wall vent material is recommended in cold climates to prevent the condensation of airborne moisture To prevent recirculation of flue products from an adjacent vent cap into the combustion air inlet follow all applicable clearance requirements in the latest edition of the National Fuel Gas Code and instructions in this manual The c...

Page 16: ... at the rooftop It is a requirement that both vent pipes terminate in the same pressure zone The vent system has specific vent material and installation requirements The vent piping for flue products uses AL29 4C vent material and must be sealed gas tight at all vent joints The vent connection is made directly to the top of the unit The maximum distance for the flue pipe is 50 equivalent feet 15 2...

Page 17: ... same pressure zone Sidewall Vent This vent system utilizes the internal blower of the unit to vent the by products of combustion to the outdoors This vent system requires the installation of one pipe for flue products The vent pipes terminates horizontally at a sidewall The vent system has specific vent material and installation requirements The vent piping for flue products uses AL29 4C vent mat...

Page 18: ...ning from 25 to 75 based on the materials used OUTDOOR INSTALLATION Units are self venting and can be used outdoors when installed with the optional Outdoor Cap This cap mounts directly to the top of the water heater and covers the flue outlet and combustion air inlet openings on the jacket No additional vent piping is required Maintain a minimum clearance of 3 76mm to combustible surfaces and a m...

Page 19: ...less the existing gas line is of sufficient capacity Verify pipe size with your gas supplier L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6 1 5 8 8 9 8 9 0 0 1 7 TABLE I OUTDOOR VENT KIT PART NUMBERS MODEL NUMBER PART NUMBER CF401 0DK3052 CF501 0DK3052 CF651 0DK3053 CF751 ODK3053 CF991 ODK3049 CF1261 ODK3050 CF1441 ODK3050 CF1801 ODK3051 CF2071 ODK3051 T...

Page 20: ...eater Piping Diagrams LOW WATER TEMPERATURE DELIVERY A number of water heating applications may require delivered water temperature in a system below 140 F Systems such as nursing homes and hospitals would be examples of this type of system A water heating system that will be operated at less than 140 F must use a mixing valve on the outlet side of the storage tank in order to ensure that the prod...

Page 21: ...ns cannot be exceeded when using the standard pump Not more than 45 feet of straight pipe For every elbow and tee in excess of those shown above DEDUCT 5 FEET from maximum allowable straight pipe in heater to tank circulating loop WATER TREATMENT In hard water areas water treatment should be used to reduce introduction of minerals into the system Minerals in the water can collect in the heat excha...

Page 22: ...d in accordance with ASME Boiler and Pressure Vessel Code Section IV Heating Boilers ELECTRICAL REQUIREMENTS North America The appliance is wired for 120 volts All wiring between the unit and field installed devices shall be made of type T wire 63 F 35 C rise The pump must be wired to run continuously when unit is firing It is recommended that the water heater and pump be wired on separate circuit...

Page 23: ...2 0 0 5 E l m H i l l P i k e N a s h v i l l e T N 3 7 2 1 0 6 1 5 8 8 9 8 9 0 0 F a x 6 1 5 8 8 5 4 4 0 3 C O P P E R F I N I I WA T E R H E A T E R P I P I N G D I A G R A M S A P P E N D I X A ...

Page 24: ...K VALVE THERMOMETER COLD WATER SUPPLY BUILDING RETURN INLET OUTLET LOCHINVAR WATER HEATER L E G E N D LIT0133 A1 L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6 1 5 8 8 9 8 9 0 0 This illustration is for concept only and should not be used for any actual installation without engineering or technical advice from a licensed engineer All necessary equipment ...

Page 25: ...HEATER COLD WATER SUPPLY BUILDING RETURN LOCK TEMP STORAGE TANKS RELIEF VALVE DRAIN OUTLET INLET LIT0135 Lochinvar D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 615 889 8900 A2 This illustration is for concept only and should not be used for any actual installation without engineering or technical advice from a licensed engineer All necessary equipment may not be illustrat...

Page 26: ...ET COLD WATER SUPPLY 1400 F HOT WATER SUPPLY 1800 F HOT WATER SUPPLY LOCK TEMP STORAGE TANK LOCHINVAR WATER HEATER MIXING VALVE CHECK VALVE RELIEF VALVE LIT0136 A3 L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6 1 5 8 8 9 8 9 0 0 This illustration is for concept only and should not be used for any actual installation without engineering or technical advic...

Page 27: ...ipe sizing chart provides minimum pipe size for common manifold piping to insure adequate flow NUMBER OF COMMON MANIFOLD SIZE NUMBER OF COMMON MANIFOLD SIZE UNITS Min UNITS Min CF 401 thru 751 CF 991 thru 2071 1 2 1 21 2 2 3 2 4 3 31 2 3 4 4 4 4 5 5 5 5 6 6 5 6 6 Lochinvar D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 615 889 8900 A4 This illustration is for concept only a...

Page 28: ...ZE FOR MULTIPLE WATER HEATER INSTALLATION Pipe sizing chart provides minimum pipe size for common manifold piping to insure adequate flow NUMBER OF COMMON MANIFOLD SIZE NUMBER OF COMMON MANIFOLD SIZE UNITS Min UNITS Min CF 401 thru 751 CF 991 thru 2071 1 2 1 21 2 2 3 2 4 3 31 2 3 4 4 4 4 5 5 5 5 6 6 5 6 6 A5 L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6...

Page 29: ...PIPING DIAGRAM MULTI STACK FRAME W WATER HEATERS AND STORAGE TANK LIT0396 Lochinvar D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 615 889 8900 A6 ...

Page 30: ...20 L o c h i n v a r D E S I G N E R S G U I D E C O P P E R F I N I I W A T E R H E AT E R 6 1 5 8 8 9 8 9 0 0 Notes ...

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Page 32: ...Lochinvar Corporation Lebanon TN 615 889 8900 Fax 615 547 1000 www Lochinvar com CF DG 05 Reprint CF DG 05 1 07 11 07 Printed in U S A ...