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CFA-I-S Rev A
Installation & Service Manual
Models: 90,000 - 500,000 Btu/hr
WARNING:
This manual supplies information for the
installation, operation, and servicing of the
appliance. It is strongly recommended that this
manual be reviewed completely before proceeding
with an installation. Perform steps in the order
given. Failure to comply could result in severe
personal injury, death, or substantial property
damage.
Save this manual for future reference.
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Contents HAZARD DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5. ELECTRICAL CONNECTIONS PLEASE READ BEFORE PROCEEDING . . . . . . . . . . . . 3-4 Boiler Operating Temperature Control . . . . . . . . . . . . . . . 33 RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Room Thermostat or Remote Thermostat Connection . . 33 THE COPPER-FIN --HOW IT WORKS . . . . . . . . . . . . . . . . . 7-9 Power Venter Connection to Terminal Strip . . . . .
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Installation & Service Manual Please read before proceeding This is a gas appliance and should be Improper installation, adjustment, WARNING NOTICE installed by a licensed electrician and/or alteration, service or maintenance can cause certified gas supplier. Service must be injury or property damage. Refer to this performed by a qualified service installer, manual for assistance or additional service agency or the gas supplier. information, consult a qualified installer, service agency or t
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Installation & Service Manual Please read before proceeding To minimize the possibility of serious WARNING personal injury, fire, or damage to your appliance, never violate the following safety rules: 1. Boilers and water heaters are heat producing appliances. To avoid damage or injury, do not store materials against the appliance or the vent-air intake system. Use proper care to avoid unnecessary contact (especially children) with the appliance and vent-air intake components. 2. Neve
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Installation & Service Manual Ratings Copper-fin Other Specifications I=B=R Rating Net I=B=R Input Gross Model Number Boiler Water Ratings Vent MBH Output Water Gas Content Water, MBH Connections Connections Note: Change “N” to Size Gallons (Note 4) MBH “L” for L.P. gas models. (Note 1) (Note 2) (Note 3) Min Max CBN315 158 315 258 224 1.09 2" 3/4" 8" CBN360 180 360 295 257 2" 1" 9" 1.12 CBN399 200 399 328 285 2" 1" 10" 1.22 CBN500 250 500 410 357 1.30 2" 1" 10" Maximum allowe
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Installation & Service Manual Ratings Copper-fin Specifications Model Number Input Water Water Connections Gas Connections Vent Size Note: Change “N” to MBH Content Gallons “L” for L.P. gas models (Note 1) CWN090 90 .91 2” 1/2” 5” CWN135 135 .95 2” 1/2” 6” CWN180 180 .99 2” 3/4” 7” CWN199 199 1.02 2” 3/4” 7” CWN225 225 1.02 2” 3/4” 7” CWN270 270 1.06 2” 3/4” 8” CWN315 315 1.09 2" 3/4" 8" CWN360 360 1.12 2" 1" 9" CWN399 399 1.22 2" 1" 10" CWN500 500 1.30 2" 1" 10" Maximum allowed working pressur
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Installation & Service Manual The Copper-fin - How it works... 1. Control panel cover The control panel cover provides access to the thermostat, 15. Water inlet ignition module, and transformer. The water inlet is a 2" pipe connection that receives water from the system and delivers it to the heat exchanger. 2. Drain port (not shown) Location from which the heat exchanger can be drained. 16. Water outlet The water outlet is a 2" pipe connection that supplies water to 3. Flue outlet the sys
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14 Installation & Service Manual The Copper-fin - How it works... 3 3 10 1 1 10 16 16 9 11 21 9 21 11 15 5 5 15 Models CWN270 Front View Model CWN399 Front View 6 6 7 8 12 13 13 8 12 14 7 23 23 22 22 4 4 Model CWN399 (inside unit) Model CWN270 (inside unit) 8
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Installation & Service Manual The Copper-fin - How it works... (continued) 3 3 20 1 20 10 10 16 16 15 15 9 9 11 11 5 5 Model CBN399 Front View Model CBN500 Front View 6 6 12 12 8 8 7 7 14 14 23 23 22 22 4 4 Models CBN399 (inside unit) Model CBN500 (inside unit) 9 1
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Installation & Service Manual 1 Determine unit location Location of unit 1. Locate the appliance 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 appliance. The pan must not restrict combustion air flow. Under no circumstances is the manufacturer to be 14 " held responsible for water damage in connection with TOP this appliance, or any of its co
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Installation & Service Manual 1 Determine boiler location Combustion and ventilation air requirements for conventionally vented appliances Provisions for combustion and ventilation air must be in accordance with the latest edition of the National Fuel Gas Code, ANSI Z223.1, in Canada, the latest edition of CGA Standard B149 Installation Code for Gas Burning Appliances and Equipment, or applicable provisions of the local building codes. The room where the appliance is installed MUST be provided
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Installation & Service Manual 1 Determine boiler location Under no circumstances should the room CAUTION where the appliance is installed ever be under a negative pressure. Particular care should be taken where exhaust fans, attic fans, clothes dryers, compressors, air handling units, etc., may take away air from the appliance. The combustion air supply must be completely free of any flammable vapors that may ignite or chemical fumes which may be corrosive to the appliance. Common corrosive
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Installation & Service Manual 1 Determine boiler location (continued) TABLE - 1B MINIMUM RECOMMENDED COMBUSTION AIR SUPPLY TO EQUIPMENT ROOM *Outside Air from *Outside Air from **Inside Air from 2 Openings Directly from 2 Ducts Delivered from 2 Ducts Delivered from *Outside Air from Input Outdoors Outdoors Interior Space 1 Opening Directly Btu/hr 2 from Outdoors, in Top Bottom Top Bottom Top Bottom 2 2 2 2 2 2 Opening, in Opening, in Opening, in Opening, in Opening, in Opening, in 23 23 30 45
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Installation & Service Manual 2 Venting The distance of the vent terminal from adjacent build ings, windows that open and building open ings MUST comply with the latest edition of the National Fuel Gas Code, ANSI Z223.1, in Canada, the latest edition of CGA Standard B149 I n stal la tion C o de for Gas B u r n ing A p plianc es and Equipment. Vent connection is made directly to the top of the ap pli ance. This appliance is designed with a built-in draft diverter. No additional external draft
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Installation & Service Manual 2 Venting (continued) Locate appliance as close as possible to a chimney or gas vent. (e) Test for spillage at the draft hood/relief opening after 5 minutes of main burner operation. Use the flame of a Avoid long horizontal runs of the vent pipe, 90° el bows, match or candle, or smoke from a cigarette, cigar or reductions and restrictions. Horizontal portions of the pipe. venting system shall be supported to prevent sagging. Horizontal runs must slope up wards no
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Installation & Service Manual 2 Venting Vertical Vent Termination Clearances 10' OR LESS 10' OR LESS 10' OR LESS CHIMNEY 2' MIN 2' MIN 3' MIN 2' MIN 3' MIN RIDGE CHIMMEY WALL OR CHIMMEY PARAPET Figure 2-2_Vent Termination from Peaked Roof 10' or Figure 2-4_Vent Termination from Flat Roof 10' or Less Less from Ridge from Parapet Wall 10' OR MORE MORE THAN 10' 3' 10' 2' MIN CHIMNEY RIDGE 3' MIN NOTE: NO HEIGHT ABOVE PARAPET REQUIRED WHEN DISTANCE FROM WALLS OR PARAPETS IS MORE THAN 10'. WALL OR
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Installation & Service Manual 2 Venting (continued) Masonry Chimney Installation A masonry chimney must be properly sized for the An induced draft fan MUST be interlocked into the appliance’s installation of a gas fired appliance. Venting of an appliance control circuit to start when the appliance calls for heat. The into a cold or oversized masonry chimney can result in in duced draft fan MUST also be equipped with a prov ing op era tion al and safety problems. Exterior masonry switch, pro
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Installation & Service Manual 2 Venting Automatic Vent Damper Figure 2-7_CB with Vent Damper and Vent Damper Terminal Block This heating boiler is design certified for use with the automatic VENT DAMPER vent damper (FIG. 2-7) part number printed on the boiler’s rating plate. A vent damper is optional on heating boilers above 360,000 Btu/hr. Automatic vent dampers are not required or furnished on potable wat er heaters. Water heaters with inputs of 360,000 Btu/hr and less may be ordered with t
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Installation & Service Manual 3 Gas connections Gas Supply Gas Pressure Test Verify that the appliance is supplied with the type gas 1. The appliance must be disconnected from the gas supply spec i fied on the rating plate. This appliance is orificed for piping system during any pressure testing of that system at operation up to 2000 feet altitude. The ap pli ance will be a test pressure in excess of 1/2 PSIG (3.5kPa). derated 4% per 1000 feet above 2000 feet el eva tion. Consult 2. The app
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Installation & Service Manual 3 Gas connections TABLE - 3E MULTIPLE APPLIANCE INSTALLATIONS GAS PIPING SIZE CHART Nominal Length of Pipe in Straight Feet Maximum Iron Pipe Capacity of Pipe Size in Thousands of Inches 10 20 30 40 50 60 70 80 90 100 125 150 175 200 Btu/hr per hour for gas pressures 3/4 369 256 205 174 155 141 128 121 113 106 95 86 79 74 of 13.5 Inches Water Column 1 697 477 384 328 292 267 246 226 210 200 179 164 149 138 (0.5 PSIG) or less and a pressure 1 1/4 1,400 974 789 677 5
