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Patterson-Kelley MACH-05 manual 6.2.7 C-450Boiler Gas Train

Models: MACH-05

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MACH® Series Gas-Fired Boiler	Parts and Technical Support

6.2.7 C-450 Boiler Gas Train

Mark	Description
1	Main Gas Shut-off Valve

2	Low Gas Pressure Switch

3	High Gas Pressure Switch

4	Gas Safety Shut-off/Control Valve

5	Gas Manifold Shut-off Valve
6	Air/Gas Manifold

7	Swirlplate
8	Blower

9	Gas Leak Test Port
10	Flex Hoses with Gas Valve Adapters

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Patterson-Kelley MACH-05 manual 6.2.7 C-450Boiler Gas Train

Contents

MACH SERIES BOILER GAS-FIREDBOILER PATTERSON-KELLEYMACH-05 MACH Series Gas-FiredBoiler 5.0 MAINTENANCE 4.0 OPERATION2.0 SAFETY 3.0 INSTALLATION8.0 APPENDIX 7.0 LIMITED WARRANTYWhat to do if you smell gas 2.0SAFETY 1.0 INTRODUCTION2.5.2 Burn, Fire, and Explosion Hazards 2.5.1 Electrical Hazards2.4SAFETY LABELS 2.5SAFETY PRECAUTIONS2.5.3 Crush Hazards 2.5.4 Chemical Hazards2.5.5Pressure Hazards 2.5.6Slip, Fall HazardsImproper use may result in fire or injury Improper use may result in fire or injury3.0INSTALLATION 3.1.2 Storage Prior to Installation3.3.2 Placement 3.1.1 Initial Inspection3.3.3 Clearances 3.5.1 Air Inlet Requirements 3.6.2 Flue Connection 3.6.1 Barometric Damper3.6.3 Required Clearances 3.6.4 Vent Terminations 3.6.5 Venting for Multiple Boilers3.6.7Removing an Existing Boiler 3.6.6 Sealed Combustion Air/Venting System3.6.8 Intake/Exhaust Layout Basic Air Inlet/Vent Configurations Sidewall Inlet, Roof VentRoof Inlet and Vent Sidewall Inlet and Vent3.6.12 Intake Duct Terminations 3.6.9 Intake Duct Materials and Sizes3.6.10 Sealing the Intake Duct 3.6.11 Intake Duct Connection to Boiler3.6.13 Vent Elbows tape on gas line threadsIntake Termination Details 3.7GAS PIPING3.7.1 Gas Supply Piping by Installer 3.8.1 Piping DesignPiping With Refrigeration Machines 3.8.2 Boiler Inlet and Outlet ConnectionsPiping With Air Handling Units 3.8.3 Boiler Water Piping by Installer 3.8.4 Flushing and Filling3.9.1 Inspection MACH C300 & C450 3.11.1Test of Ignition Safety SystemMACH C750, C900 & C1050 3.11.4 Test of Gas Pressure Switch Low Gas Pressure SwitchHigh Gas Pressure Switch 3.11.2 Test of Low Water Cut-out3.12.1 Operating Temperature Controller Internal Setpoint Domestic Priority Internal Setpoint Domestic PriorityParameter ValueOutdoor Air Reset optional OUTDOOR AIR vs BOILER SETPOINTParameter ValueAnalog Input to Adjust Setpoint 3.12.2 Gas Pressure AdjustmentAnalog Input to Control Firing Rate 3.12.3 Air Flow Adjustments 3.12.4 Gas Valve Setup and AdjustmentMACH C300 & C450 Boiler Test ModeAdjustment PageMACH C750, C900 & C450 4.2.1 Lighting Procedures 4.2.2 Normal Shut Down Procedures4.0OPERATION 4.1.1 Control Panel Front4.2.3 Emergency Shut-Off 750,000712,500 712,5005.0MAINTENANCE 5.1.2 Weekly5.1.3 Monthly During Operation 5.1.1 Daily5.1.4 Semi-Annuallyevery 6 months 5.1.5 Annually5.5TROUBLESHOOTING The Loss of Power5.4SEQUENCE OF OPERATION Air Switch Closed High Water TemperatureLoss of Water Level Low Gas Pressure5.5.1 Manual Reset Service Codes CodeLockout DescriptionIf any “Manual Reset” limit device trips 5.5.2 Auto-resetService CodesDO NOT MACH Series Gas-FiredBoiler 6.0 PARTS/TECHNICAL SUPPORTParts and Technical Support 6.1WIRING DIAGRAMS Terminal NumberLabel DescriptionTerminal Number LabelDescription DO NOT ENERGIZEMACH Series Gas-FiredBoiler 6.1.2 Wiring Series C-300Parts and Technical Support MACH Series Gas-FiredBoiler 6.1.3 Wiring Series C-450Parts and Technical Support MACH Series Gas-FiredBoiler 6.1.4 Wiring Series C-750/900/1050Parts and Technical Support MACH Series 300/450 6.2.1 Main AssemblyMACH Series 750/900/1050 Mark 6.2.2 Control PanelDescription 6.2.3 Display Panel 6.2.4 C-300/450Heat Engine Mark Description6.2.5 C-750/900/1050Heat Engine Mark 6.2.6 C-300Boiler Gas TrainDescription 6.2.7 C-450Boiler Gas Train Mark 6.2.8 C-750/900/1050Boiler Gas TrainDescription 7.0 LIMITED WARRANTY WARRANTYREMEDY EXCLUSIONSSEVERABILITY THIRD PARTY WARRANTIESNO OTHER WARRANTIES 8.0 APPENDIX DateHi/Low-Fire Stack TempParameter Settings for MCBA Controls Description Manual fanspeed