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Gas Fired Boiler

Harsco Industrial, Patterson-Kelley Technical Service 1.877.728.5351

53

6.1.6 SC-3000 & SC-4000 480V Wiring Diagram

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Содержание SC-2000

Страница 1: ...ALLATION O W N E R S M A N U A L INSTALLATION O W N E R S M A N U A L CE RTIF IE D C S A Design Certified Complies with ANSI Z21 13 CSA 4 9 Gas Fired Low Pressure Steam and Hot Water Boilers INSTALLAT...

Страница 2: ...ct the boiler s nameplate labels which describe the power supply requirements Provide an appropriate power feed to the boiler with overcurrent protection Boiler Model Power Supply Requirements SC 2000...

Страница 3: ...tion is useful to help size an appropriate circulation pump Keep in mind this pressure drop represents the boiler only additional consideration is needed for any connected piping valves strainers coup...

Страница 4: ...only additional consideration is needed for any connected piping valves strainers couplings flanges etc The table below summarizes the minimum and maximum flow restrictions for the SC 3000 Flow Condit...

Страница 5: ...l NURO Control Setup Adjustment 32 3 11 Fuel Air Adjusment 34 4 Operations 36 4 1 General 36 4 2 Normal Lighting and Shut down Procedures 37 4 3 Emergency Shut Off 37 4 4 Typical Boiler Operating Cond...

Страница 6: ...nd yet because of poor circulation control or other operating characteristics may not deliver heat to the desired location Additional equipment such as temperature sensors pumps flow switches balancin...

Страница 7: ...y Technical Service 1 877 728 5351 7 Ga as s F Fi ir re ed d B Bo oi il le er r REVISION NOTES 1 13 2015 Revised flame signal information 12 10 14 Revised to include SC 2000 NURO controls 07 8 14 Edit...

Страница 8: ...nd lighting with a structure sufficiently strong and rigid to support the weight of the boiler all piping and accessories NOTICE Each safety device must be maintained and checked per the recommended s...

Страница 9: ...boiler or any electrical components Electrical Hazard Do not alter wiring connections 2 4 2 Crush Hazards Lifting Hazards Use properly rated lifting equipment to lift and position the boiler The load...

Страница 10: ...g boiler Fire and Explosion Hazards Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other gas fired appliance Burn hazard Possible hot surfaces Do not...

Страница 11: ...NFPA 54 latest edition in the U S In Canada the equipment shall be installed in accordance with the current Installation Code for Gas Burning Appliances and Equipment CAN CSA B 149 latest edition and...

Страница 12: ...y be used for 3 8 anchor bolts 3 3 3 Clearances If the boiler is to be installed near combustible surfaces the minimum clearances shown in Table 3 3 3 and Figure 3 3 3 must be maintained Failure to pr...

Страница 13: ...t be installed and grounded in accordance with local codes or in the absence of such requirements in the U S with National Electrical Codes ANSI NFPA No 70 latest edition or in Canada to the Canadian...

Страница 14: ...steps down two hot leads from the incoming three phase power in order to supply 110 120VAC single phase power to the boiler s control system Be aware that SC 3000 SC 4000 boilers ordered in the 240V c...

Страница 15: ...configurable relay output 1 The normally open contacts on this relay have a maximum voltage rating of 240VAC and maximum current capacity of 1 2 Amp Relay B User configurable relay output 2 The normal...

Страница 16: ...irect sunlight exposure This circuit is energized by the boiler with a 5VDC potential Night Setback TB1 13 and TB1 14 can be used to connect a day night or occupancy timer Closure of the Night Setback...

Страница 17: ...2 1004906989 14 NOTE This table is for information only Combustion air dampers and vent adapters are listed for use of design and may or may not be specific to your application Design and installation...

Страница 18: ...ceived Relay C closes the 120VAC circuit external power supply which provides power to the damper motor opening the damper Once the motorized damper is fully open its end limit switch completes the Ai...

Страница 19: ...TM 493 Canada CPVC Pipe Fitting and Sealant listed and labeled to ULC S 636 Standard for Type BH Venting Systems Polypropylene Venting US and Canada Polypropylene such as InnoFlue from Centrotherm or...

Страница 20: ...uction while the possibility of drywall dust demolition dust etc exists The combustion air supply must be completely free of chemical fumes which may be corrosive when burned in the boiler Common chem...

Страница 21: ...han the sum of the areas of all vent connectors in the room When using two permanent openings one opening shall commence within 12 inches above the floor and the other within 12 inches below the ceili...

Страница 22: ...on air opening defined in paragraph A D When combustion air is supplied by natural airflow into a space containing both types of appliance described in paragraphs B and C the cross sectional area of t...

Страница 23: ...into any building The bottom of the vent terminal shall be at least 12 in above grade or highest expected snow line if applicable Through the wall terminations shall not terminate over public walkway...

Страница 24: ...tub This drain stub should be connected with the condensate drain on the boiler The condensate drains shall have a 4 tall trap to prevent the passage of flue gases through the condensate system The bo...

Страница 25: ...nd using a vent rain cap of any type 3 5 4 Venting for Multiple Boilers While the vent design parameters outlined in Section 3 5 3 still apply achieving those same parameters in a combined vent system...

Страница 26: ...be fabricated from PVC CPVC single wall galvanized steel or other suitable materials The duct must be rigid enough to maintain the full required cross sectional area under all operating conditions Pr...

Страница 27: ...le a maximum inlet pressure of 14 w c 1 2 psig Typical gas pressure supply for natural gas is 7 w c 11 w c for propane If the available gas pressure exceeds 14 w c a suitable additional intermediate g...

Страница 28: ...a hot water heating boiler connected to heating coils located in air handling units where they may be exposed to refrigerated air circulation must be equipped with flow control valves or other automa...

Страница 29: ...mit controls may be required by certain codes or in certain installations Review applicable local codes for details Drain Valve and Piping A drain valve is factory installed in the boiler inlet system...

Страница 30: ...llowing checks of safety systems must be made before putting the boiler into normal operation Before firing the boiler refer to Section 4 for information on the use of the controls lighting and shut d...

Страница 31: ...the manual reset high temperature limit by a thin metal capillary tube The manual reset high temperature limit is located inside the boiler s front door toward the top of the control panel and is iden...

Страница 32: ...it will remain on the NURO display until the boiler is manually reset 3 10 Initial NURO Control Setup Adjustment This manual covers basic NURO control setup and adjustment For a basic walkthrough of t...

Страница 33: ...Pump Flame Detected and Air Damper to the relays NOTE The relay assignments must agree with the wiring to from the boiler For example if Relay A is user configured to enable disable the Boiler Pump th...

Страница 34: ...operation must be greater than the minimum indicated on the rating plate Nominal gas supply pressure is 7 w c for natural gas The gas pressure must not exceed 14 w c which is the maximum allowable pr...

Страница 35: ...ed above and decrease the firing rate to 1 Once the boiler has reached low fire operation check combustion readings using the combustion analyzer If combustion readings are not in accordance with Tabl...

Страница 36: ...can be opened by pinching the clasp and swinging open to the left 4 1 3 Factory Tests Safe lighting and other performance criteria were met with the gas manifold and control assembly provided on this...

Страница 37: ...ror is indicated refer to the NURO Advanced User s Guide to troubleshoot the problem and take necessary corrective action before proceeding 3 Set the desired high temperature limit and operating tempe...

Страница 38: ...Volts Typical flame signals should read between 20 50V If the flame signal is below 20V the ignition electrode may need to be replaced 2 Test the low water level cut off Refer to Section 3 9 2 3 Test...

Страница 39: ...pen the lid and inspect the limestone rocks If they are absent or have been significantly worn away replace them with new limestone rocks Use high calcium or pure limestone 7 Examine the venting syste...

Страница 40: ...ashing turn off the hose and allow all the wash water to drain from the boiler 18 Reinstall the plugs into the two washout ports if applicable 19 Reconnect the condensate tubing to the condensate neut...

Страница 41: ...ition the fan is driven to low fire and the CH LOW FIRE HOLD TIME timer is started Once the LOW FIRE HOLD TIME timer expires the boiler is released to modulation 7 The NURO control modulates the firin...

Страница 42: ...Gas Limit close the gas valve and lock the boiler out When proper gas pressure is restored and the on screen reset button is pressed the boiler will reset and resume the sequence of operation at Step...

Страница 43: ...Period 107 Flame Lost Early in Run or 108 Flame Lost in Run is displayed the boiler lost the flame signal during operation Check that combustion is adjusted properly the gas pressure is correct and th...

Страница 44: ...ox SC 3000 SC 4000 Only The power box is located in the front of the boiler at the lower left corner This power box houses the control transformer fuses the power box terminal strip circuit breakers a...

Страница 45: ...Voltage 1 2Amp Max Current 18 15 RELAY C 17 14 RELAY D User Configurable Normally Open Dry Contact D 240VAC Max Voltage 1 2Amp Max Current 16 13 RELAY D N A 12 GROUND Ground Terminals for I O Devices...

Страница 46: ...4mA 15 4 20mA ANALOG OUTPUT 14 NIGHT SETBACK Contact Closure Enables Night Setback Operation Open Circuit Disables Night Setback Operation 13 NIGHT SETBACK 12 OUTDOOR TEMP SENSOR Outdoor Air Temperatu...

Страница 47: ...Figure 6 1 4b SC 3000 SC 4000 220 240 VAC three phase 60 hertz Before making any electrical connections to the boiler verify that the control transformer is properly configured for the applicable inc...

Страница 48: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 48 Figure 6 1 4c SC 3000 SC 4000 440 480 VAC three phase 60 hertz...

Страница 49: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 49 6 1 4 SC 2000 Wiring Diagram...

Страница 50: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 50...

Страница 51: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 51 6 1 5 SC 3000 SC 4000 240V Wiring Diagram...

Страница 52: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 52...

Страница 53: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 53 6 1 6 SC 3000 SC 4000 480V Wiring Diagram...

Страница 54: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 54...

Страница 55: ...5351 55 6 2 Boiler Parts Identification SC 2000 6 2 1 Main Boiler Assembly SC 2000 Mark Description Mark Description 1 Heat Exchanger 5 Front Door NURO Touchscreen 2 Burner Blower Assembly 6 NURO Cont...

Страница 56: ...Description 1 Push to Test LWCO Button 7 NURO Touchscreen Assembly 2 Manual Reset Hi Temp Limit 8 Clear Plastic Protective Cover 3 Circuit Breaker 9 High Voltage TB2 Terminal Block 4 On Off Switch 10...

Страница 57: ...taulic 9 High Exhaust Pressure Switch Port 2 Relief Valve Port 10 Heat Exchanger 3 Supply Temperature Sensor 11 Heat Exch Temperature Sensor 4 Inlet Coupling 3 Victaulic 12 Burner Flange Hole 5 Manual...

Страница 58: ...wer Transition Piece 2 External Upstream Gas Cock 10 Combustion Blower Fan 3 Gas Piping Supports 11 Burner Transition Piece 4 Air Intake Transition Piece 12 Ignition Electrode Gasket 5 Low Gas Pressur...

Страница 59: ...Parts Identification SC 3000 SC 4000 6 3 1 Main Boiler Assembly SC 3000 SC 4000 Mark Description Mark Description 1 Heat Exchanger 5 Main Power Box 2 Burner Blower Assembly 6 Front Door NURO Touchscr...

Страница 60: ...rk Description 1 Push to Test LWCO Button 7 NURO Touchscreen Assembly 2 Manual Reset Hi Temp Limit 8 Clear Plastic Protective Cover 3 Fuse Holder Fuse 9 High Voltage TB2 Terminal Block 4 On Off Switch...

Страница 61: ...vice 1 877 728 5351 61 6 3 3 Main Power Box SC 3000 SC 4000 Mark Description Mark Description 1 20A Three Phase Breaker Incoming Three Phase Power 4 Fuse Holder 2 Grounding Terminal 5 Power Lead to Bl...

Страница 62: ...SME Section VIII Relief Valve 150 11 Section VIII Economizer 3 Supply Temperature Sensor 12 Interconnecting Elbows 4 Nuts Bolts 13 Internal Couplings 2 1 2 Victaulic 5 Inlet Coupling 4 Victaulic 14 Bu...

Страница 63: ...teel Mesh Burner 8 High Gas Pressure Switch 2 External Upstream Gas Cock 9 Blower Transition Piece 3 Gas Piping Supports 10 Burner Transition Piece 4 Blower Motor Splash Guard 11 Flame Ionization Rod...

Страница 64: ...51 64 6 3 6 Propane Gas Train SC 3000 SC 4000 Mark Description Mark Description 1 External Upstream Gas Cock 5 Internal Downstream Gas Cock 2 Gas Piping Supports 6 High Gas Pressure Switch 3 Flexible...

Страница 65: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 65 7 Limited Warranty...

Страница 66: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 66 Boiler Fire Test Report...

Страница 67: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 67 Appendix 1 Maintenance Log Date Hi Fire Low Fire O2 CO CO2 Stack Temp pH Action By...

Страница 68: ...adjust the gas valves as described in Section 3 10 4 to get 5 O2 in the flue gas If this cannot be achieved perform the following steps If the O2 is too high then the inlet gas pressure should be adj...

Страница 69: ...Gas Fired Boiler Harsco Industrial Patterson Kelley Technical Service 1 877 728 5351 69 Appendix 3 Water Quality Standards for Hydronic Boilers in Multi Metal Systems...

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