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PB Heat MI/MIH series Series MI/MIH, Gas Boilers, Installation Operation & Maintenance Manual

Models: MI/MIH series

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Series MI/MIH

Gas Boilers

Installation,

Operation &

Maintenance

Manual

TO THE INSTALLER:

This manual is the property of the owner and must be affixed near the boiler for future reference.

TO THE OWNER:This boiler should be inspected annually by aQualified Service Agency.

HI Division	ASME
of gama

PB HEAT, LLC

PO BOX 447 • NEW BERLINVILLE, PA 19545-0447

©2006	MI8038 R10 (8/06-10M)
	Printed in U.S.A.

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PB Heat MI/MIH series Series MI/MIH, Gas Boilers, Installation Operation & Maintenance Manual, Pb Heat, Llc, To The Owner

Contents

Gas Boilers Installation Operation & Maintenance ManualSeries MI/MIH TABLE OF CONTENTS TABLE OF CONTENTSA.INSTALLATION SEQUENCE USING THIS MANUALUSING THIS MANUAL DANGERB.CLEARANCE FROM COMBUSTIBLE CONSTRUCTION 1. PREINSTALLATIONPREINSTALLATION A.ACCESSIBILITY CLEARANCESFigure 1.3 Air Openings - All Air Directly from PREINSTALLATIONwhere PREINSTALLATIOND.INSTALLATION SURVEY PREINSTALLATIONE.PLANNING THE LAYOUT BOILER SET-UP 2.BOILER SET-UPWATER PIPING AND CONTROLS 3. WATER PIPING AND CONTROLSA.BOILER SUPPLY AND RETURN Figure 3.4 Safety Relief Valve Hook-Upwith B. SAFETY RELIEF VALVEFigure 3.3 Safety Relief Valve Hook-Up Installation with Air Elimination inFigure 3.6 Zone Piping with Circulators WATER PIPING AND CONTROLSC.PIPING FOR ZONED SYSTEMS Figure 3.5 Zone Piping with Zone ValvesF.FREEZE PROTECTION WATER PIPING AND CONTROLSD.EXPANSION TANK E.INDIRECT-FIREDWATER HEATERA.INTEGRAL DRAFT HOOD 4. VENTINGVENTING B.VENT DAMPER INSTALLATION - GENERALC.VENT PIPING AND CHIMNEY VENTINGD.BOILER REMOVAL FROM COMMON VENTING SYSTEM VENTINGGAS PIPING 5.GAS PIPINGTable 5.3 MIH Boiler - Natural Gas GAS PIPINGTable 5.1 MI Boiler - Natural Gas Table 5.2: MI Boiler – LP GasB.ZONED SYSTEM WIRING 6. ELECTRICALELECTRICAL A. WIRINGD.SEQUENCE OF OPERATION ELECTRICAL2. Intermittent Ignition see Figure 6.3 above ELECTRICALELECTRICAL Figure 6.6 Zone Wiring with Circulators Figure 6.5 Zone Wiring with Zone ValvesELECTRICAL START-UPPROCEDURES 7. START-UPPROCEDURESA.COMPLETING THE INSTALLATION Figure 7.1 Gas Valve, Manifold and Burner Assembly - Standing Pilot Continuous Ignition START-UPPROCEDURESFigure 7.4 Operating Instructions START-UPPROCEDURESTO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTINGSTART-UPPROCEDURES LIGHTING INSTRUCTIONSB.CONTROL DESCRIPTIONS START-UPPROCEDURESC.ADJUSTMENT OF GAS PRESSURE REGULATOR D.ADJUSTMENT OF PILOT GAS FLOWF.CHECK-OUTPROCEDURE START-UPPROCEDURESE.CHECKING BURNER INPUT b.Intermittent Ignition System START-UPPROCEDURESDANGER 8. TROUBLESHOOTINGTROUBLESHOOTING B.TROUBLESHOOTING GUIDESPOSSIBLE CAUSES PROBLEMTROUBLESHOOTING Table 8.1 Boiler Troubleshooting GuideTROUBLESHOOTING MAINTENANCE 9. MAINTENANCEC.WEEKLY WITH BOILER IN USE MAINTENANCEA.GENERAL B.DAILY WITH BOILER IN USEE.ANNUALLY BEFORE START OF HEATING SEASON MAINTENANCEThe boiler is at room temperature DANGERSERIES MI/MIH BOILER RATINGS 10. BOILER DIMENSIONS & RATINGSBOILER DIMENSIONS & RATINGS SERIES MI/MIH BOILER DIMENSIONSREPAIR PARTS 11. REPAIR PARTSREPAIR PARTS SERIES MI/MIH GAS BOILER Figure 11.2 Manifold REPAIR PARTSFigure 11.3b Gas Valve and Pilot - Intermittent REPAIR PARTSFigure 11.3a Gas Valve and Pilot - Standing PilotTable 11.4b Flue Baffles for MIH Only REPAIR PARTSFigure 11.4 Block/Draft Hood Table 11.4a Block/Draft HoodFigure 11.5 Jacket Table 11.5 Jacket REPAIR PARTSFigure 11.6 Controls/Circulator/Vent Damper REPAIR PARTSTable 11.6 Controls/Circulator/Vent Damper Series MI/MIH Installation Operation & Maintenance ManualTO THE INSTALLER Qualified Service Agency