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CFC-E

ClearFire Condensing Boiler

Boiler Book
02/2018

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Содержание CFC-E 1000

Страница 1: ...CFC E ClearFire Condensing Boiler Boiler Book 02 2018...

Страница 2: ...Boiler Air Inlet 39 Horizontal through wall venting using inside air for combustion 42 Horizontal flue through wall with direct vent combustion intake 43 Inside Air Vertical Vent 45 Vertical Stack wi...

Страница 3: ...mum Flow Recommendations for ClearFire Model CFC E Boiler 24 Condensate piping for multiple boilers 28 Model CFC E Minimum and Maximum Gas Pressure 31 Model CFC E Minimum Required Gas Pressure Altitud...

Страница 4: ...the extended heating surface tubes the CFC E boiler will provide fuel to water efficiency of up to 99 at low fire and 95 at high fire with 80 degrees F return water temperature Ease of Maintenance Th...

Страница 5: ...outdoor reset controls radiant floor heating snow melt systems ground source heat pump systems and systems that utilize variable speed circulating pumps It may also be employed in standard hot water s...

Страница 6: ...Cutoff manual reset NTC negative temp coefficient sensor for hot water supply temperature NTC sensor for hot water return temperature ASME Safety Relief Valve set 125 psig 8 6 Bar Optional SRV set poi...

Страница 7: ...on the burner is capable of direct vent combustion G Ignition of the main flame is via direct spark utilizing high voltage electrodes and a UV scanner for flame supervision H To ensure adequate combus...

Страница 8: ...door control E Header temperature sensor for multiple boiler Lead Lag operation F Auxiliary Low Water Control shipped loose for field piping by others into the system piping G Alarm Horn for safety sh...

Страница 9: ...BOILER BOOK CFC E DIMENSIONS AND RATINGS 9 Figure 4 Model CFC E Dimensional Views OPTIONAL ADJUSTABLE FEET ALLOW FOR 1 56 TO 3 88 ADDITIONAL HEIGHT...

Страница 10: ...RF Flange 2 1 2 2 1 2 2 1 2 4 4 Z Air Vent NPT 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 AA Vessel Drain NPT 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 BB Flue Gas Outlet Standard Nominal 6 6 8 8 8 Option Nominal 8 8 6 10 10...

Страница 11: ...192 N Rear of Base to Flue Outlet 165 165 165 190 190 P Casing Depth 921 921 921 1077 1077 Q Casing Height 1703 1703 1703 1749 1749 R Floor to Lower Return Connection 428 428 428 428 428 S Floor to Up...

Страница 12: ...39 53 KW 129 193 258 387 516 MAWP psi 125 125 125 125 125 Bar 8 6 8 6 8 6 8 6 8 6 MAWT F 210 210 210 210 210 C 99 99 99 99 99 Maximum Operating Setpoint F 194 194 194 194 194 C 90 90 90 90 90 Water Co...

Страница 13: ...ficiencies The tables below list the operating efficiencies of each size Model CFC E boiler including radiation losses As the Model CFC E is a fully condensing boiler maximum efficiency is obtained wh...

Страница 14: ...emperature F C 68 80 100 120 130 140 160 20 27 38 49 55 60 72 20 99 0 98 8 97 0 93 3 90 7 88 9 88 0 50 97 8 96 9 94 7 91 5 89 8 88 5 87 7 75 96 9 95 4 92 7 90 0 89 0 88 2 87 5 100 95 9 93 8 90 8 88 6...

Страница 15: ...turn Water Temperature 40 F Temperature Di eren al CFC E 500 Efficiency Curve 20 Firing Rate 50 Firing Rate 75 Firing Rate 100 Firing Rate F 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 60 70 80 90 1...

Страница 16: ...Return Water Temperature F 40 F Temperature Di eren al CFC E 1000 Efficiency Curve 20 Firing Rate 50 Firing Rate 75 Firing Rate 100 Firing Rate 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 60 70 80 9...

Страница 17: ...ls and is virtually vibration free Thus it is very suitable in applications that demand low noise levels Table 7 Noise level dBA measured 3 feet in front of boiler POLLUTANT UNITS CO ppm 20 lb MMBTU 0...

Страница 18: ...sidered when sizing the system flow so that the flow does not exceed the capacity of the boiler or the demand Flow Rates and Pressure Drops To maintain rated capacity of the boiler recommended flow ra...

Страница 19: ...ATA 19 Figure 10 Waterside Pressure Drop CFC E 500 Figure 11 Waterside Pressure Drop CFC E 750 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 9...

Страница 20: ...BOILER BOOK CFC E ENGINEERING DATA 20 Figure 12 Waterside Pressure Drop CFC E 1000 Figure 13 Waterside Pressure Drop CFC E 1500...

Страница 21: ...d for either with an expansion tank air filled or with a bladder type tank These devices permit the water pressure to expand outside of the boiler and not impact the pressure vessel or pressure reliev...

Страница 22: ...Outlet NPT Valve Capacity MBH CFC E 500 3 4 1 2270 CFC E 750 3 4 1 2270 CFC E 1000 3 4 1 2270 CFC E 1500 3 4 1 2270 CFC E 2000 3 4 1 2270 75 psig Model Inlet NPT Outlet NPT Valve Capacity MBH CFC E 5...

Страница 23: ...n inhibitors are added to glycol systems However all glycols tend to oxidize over time in the presence of oxygen and when heated form aldehydes acids and other oxidation products Whenever inadequate l...

Страница 24: ...ning a boiler isolation valve once a day or turning on a boiler circulating pump Table 12 Glycol Minimum Flow Recommendations for ClearFire Model CFC E Boiler Minimum required boiler circulation rate...

Страница 25: ...mum Firing Rate vs Glycol 4000 4100 4200 4300 4400 4500 4600 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 6100 6200 20 25 30 35 40 45 50 55 High Fire Blower Speed rpm Glycol C...

Страница 26: ...densate water trap 5 required 2 Neutralization Capsule A compact corrosion resistant capsule is piped to the condensate drain downstream of the water trap Capsule is filled with a replaceable neutrali...

Страница 27: ...pH analysis of condensate If condensate is too acidic pH is below acceptable value the neutralization media should be replaced The neutralizing media should be gently agitated periodically to ensure e...

Страница 28: ...f 4 boilers per tank with total BTU per tank not to exceed 8 000 000 See figures below for suggested piping When using the combo tank supply make up water at the connection shown An internal float in...

Страница 29: ...connections made to the boiler must be arranged so that all components are accessible for inspection cleaning and maintenance A drip leg should be installed in the supply line before the connection to...

Страница 30: ...traverse the top of the boiler B Table 14 shows the gas pressure required at the inlet of the gas line Note a pressure regulator is not furnished and if gas pressure exceeds 14 W C a pressure regulat...

Страница 31: ...Maximum gas train pressure rating Natural Gas LP Gas UL cUL CSA 500 7 11 14 WC 1 2 psig 1 psig 1 2 psig 750 7 11 1000 7 11 1500 7 11 2000 7 11 R egulator H eader Pipe M eter G as H eader Piping T ypi...

Страница 32: ...be leveled side to side and front to back using the supply and return nozzles for horizontal and vertical positions If shims are required to level the boiler the weight of the boiler must be evenly d...

Страница 33: ...mum Room Clearance Dimensions Seismic Legs Seismic mounting details shown below Figure 26 CFC E Seismic Mounting FRONT VIEW PLAN VIEW DETAIL A A B A C C Q 7 16 HOLE DIM 750 1000 1500 2000 A 34 35 34 3...

Страница 34: ...r Infiltration Rate Method Where the air infiltration rate is known to be less than 0 40 Air Changes per Hour the Known Air Infiltration Rate Method shall be used See Section 8 3 in the NFPA54 Handboo...

Страница 35: ...gs one terminating within twelve inches from the top and one opening terminating within twelve inches of the bottom of the room 2 The openings must be linked directly or by ducts with the outdoors 3 E...

Страница 36: ...es of at least 1 inch from the sides and back and 6 inches from the front of the appliance 2 The opening shall directly communicate with the outdoors and shall have a minimum free area of 1 square inc...

Страница 37: ...boiler room preferably below a height of 7 feet This allows air to sweep the length of the boiler See Figure 30 B Air supply openings can be louvered for weather protection but they should not be cove...

Страница 38: ...0 feet of added elevation 3 Acceptable air velocity in the Boiler Room fpm A From floor to 7 feet high 250 fpm B Above 7 feet above floor 500 fpm Example Determine the area of the boiler room air supp...

Страница 39: ...e that avoids excessive condensate production in the vent Category II A boiler which operates with a non positive vent static pressure and with a vent gas temperature that may cause excessive condensa...

Страница 40: ...uct a window view if the termination is installed in close proximity to windows 2 Prevailing winds could cause freezing of Condensate and water ice buildup on building plants or roof 3 The bottom of t...

Страница 41: ...property 3 Within 6 feet 1 8m of a mechanical air supply inlet to any building 4 Above a meter regulator assembly with 3 feet 900mm horizontally of the vertical centerline of the regulator 5 Within 6...

Страница 42: ...freezing climates it is recommended that 1 The vent shall be installed with a slight upward slope of not more than 1 4 per foot of horizontal run to the vent termination In this case an approved Cond...

Страница 43: ...be installed to prevent the potential accumulation of Condensate in the stack pipes It is recommended that 1 The vent shall be installed with a slight downward slope of not more than 1 4 per foot of h...

Страница 44: ...e non warrantable problems with components and poor operation of the unit due to the recirculation of flue products Table 15 STACK SIZING USING OUTSIDE AIR FOR COMBUSTION DIRECT VENT Boiler Combustion...

Страница 45: ...Vertical Venting Inside Combustion Air See Figure 34 Figure 34 Inside Air Vertical Vent As noted in Paragraph A above these installations use air from within the boiler room for combustion The same r...

Страница 46: ...tion See Figure 35 Figure 35 Vertical Stack with Direct Vent Combustion Air As noted in Paragraph B above these installations use air from outside the building for combustion The same recommendations...

Страница 47: ...BOOK CFC E STACK BREECHING SIZE CRITERIA 47 Boiler Rear Connections Figure 36 CFC E Rear Connections COMBUSTION ELECTRICAL RACEWAY ELECTRICAL RACEWAY HIGH TEMPERATURE RETURN LOW TEMPERATURE RETURN AIR...

Страница 48: ...h history last 15 messages Annunciation Outdoor reset Central Heating and Domestic Hot Water loop control Password protection of configurable parameters High Stack Temperature limit Remote reset Lead...

Страница 49: ...Optional Header Temperature 9 System Configuration CB Falcon configuration is arranged into the following functional groups Table 18 CB Falcon burner sequence Central Heat 1 Heat request detected CH d...

Страница 50: ...2 FLAME STRENGTH LOCAL MODBUS A B C GLOBAL MODBUS A B C POWER FLAME ALARM RESET PIM 1 2 3 4 5 6 CB FALCON HYDRONIC CONTROL J1 J2 J1 J3 ENVIRACOM D R C L1 L2 FOR 120VAC OR 24VAC RETURN OPTOS EGND EX I...

Страница 51: ...SYSTEM SCHEMATICS Typical piping arrangements using the CFC E are shown in the figures that follow Note These diagrams are generic and are not intended for use in a specific design without consultati...

Страница 52: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 52 Figure 38 Primary Secondary Single Boiler...

Страница 53: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 53 Figure 39 Primary Secondary Two Boilers...

Страница 54: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 54 Figure 40 Primary Secondary Three Boilers...

Страница 55: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 55 Figure 41 Primary Variable Flow Single Boiler...

Страница 56: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 56 Figure 42 Primary Variable Flow Two Boilers...

Страница 57: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 57 Figure 43 Primary Variable Flow Three Boilers...

Страница 58: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 58 Figure 44 Primary Variable Flow Single Boiler with Heat Exchanger...

Страница 59: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 59 Figure 45 Primary Variable Flow Single Boiler with Heat Exchanger and Dual Return...

Страница 60: ...BOILER BOOK CFC E EXAMPLE SYSTEM SCHEMATICS 60...

Страница 61: ...BOILER BOOK CFC E e mail info cleaverbrooks com Web Address http www cleaverbrooks com...

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