PB Heat MI/MIH series manual Repair Parts, 4 Block/Draft Hood, 4a Block/Draft Hood

Models: MI/MIH series

Figure 11.4:Block/Draft Hood

Table 11.4a: Block/Draft Hood

Table 11.4b: Flue Baffles for MIH Only

Manuals / PB Heat / Household Appliance / Boiler

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REPAIR PARTS

Item

No.

Description

Part Selection

Information

MI/MIH MI/MIH MI/MIH MI/MIH

-03 -04 -05 -06

MI-07 MI-08 MI-09

12	Block Assembly		90419	90420	90421	90422	90423	90424	90425

13	Flue Collector/Draft Hood		90510	90511	90512	90513	90514	90515	90516

14	Flue Collector Blanket Seal	Specify length	50866	50866	50866	50866	50866	50866	50866

Flue Baffle - 4″

1 per flue (specify qty)

Flue Baffle - 8″

1 per flue (specify qty)

Item

No.

Description

Part Selection

Information

MIH-

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PB Heat MI/MIH series manual Repair Parts, 4 Block/Draft Hood, 4a Block/Draft Hood, 4b Flue Baffles for MIH Only

Contents

Gas Boilers Installation Operation & Maintenance ManualSeries MI/MIH TABLE OF CONTENTS TABLE OF CONTENTSUSING THIS MANUAL USING THIS MANUALDANGER A.INSTALLATION SEQUENCE1. PREINSTALLATION PREINSTALLATIONA.ACCESSIBILITY CLEARANCES B.CLEARANCE FROM COMBUSTIBLE CONSTRUCTIONPREINSTALLATION Figure 1.3 Air Openings - All Air Directly fromPREINSTALLATION whereD.INSTALLATION SURVEY PREINSTALLATIONE.PLANNING THE LAYOUT 2.BOILER SET-UP BOILER SET-UPWATER PIPING AND CONTROLS 3. WATER PIPING AND CONTROLSA.BOILER SUPPLY AND RETURN B. SAFETY RELIEF VALVE Figure 3.3 Safety Relief Valve Hook-UpInstallation with Air Elimination in Figure 3.4 Safety Relief Valve Hook-UpwithWATER PIPING AND CONTROLS C.PIPING FOR ZONED SYSTEMSFigure 3.5 Zone Piping with Zone Valves Figure 3.6 Zone Piping with CirculatorsWATER PIPING AND CONTROLS D.EXPANSION TANKE.INDIRECT-FIREDWATER HEATER F.FREEZE PROTECTION4. VENTING VENTINGB.VENT DAMPER INSTALLATION - GENERAL A.INTEGRAL DRAFT HOODVENTING C.VENT PIPING AND CHIMNEYVENTING D.BOILER REMOVAL FROM COMMON VENTING SYSTEM5.GAS PIPING GAS PIPINGGAS PIPING Table 5.1 MI Boiler - Natural GasTable 5.2: MI Boiler – LP Gas Table 5.3 MIH Boiler - Natural Gas6. ELECTRICAL ELECTRICALA. WIRING B.ZONED SYSTEM WIRINGELECTRICAL D.SEQUENCE OF OPERATIONELECTRICAL 2. Intermittent Ignition see Figure 6.3 aboveELECTRICAL Figure 6.6 Zone Wiring with Circulators Figure 6.5 Zone Wiring with Zone ValvesELECTRICAL START-UPPROCEDURES 7. START-UPPROCEDURESA.COMPLETING THE INSTALLATION START-UPPROCEDURES Figure 7.1 Gas Valve, Manifold and Burner Assembly - Standing Pilot Continuous IgnitionSTART-UPPROCEDURES Figure 7.4 Operating InstructionsFOR YOUR SAFETY READ BEFORE LIGHTING START-UPPROCEDURESLIGHTING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCESTART-UPPROCEDURES C.ADJUSTMENT OF GAS PRESSURE REGULATORD.ADJUSTMENT OF PILOT GAS FLOW B.CONTROL DESCRIPTIONSF.CHECK-OUTPROCEDURE START-UPPROCEDURESE.CHECKING BURNER INPUT START-UPPROCEDURES b.Intermittent Ignition System8. TROUBLESHOOTING TROUBLESHOOTINGB.TROUBLESHOOTING GUIDES DANGERPROBLEM TROUBLESHOOTINGTable 8.1 Boiler Troubleshooting Guide POSSIBLE CAUSESTROUBLESHOOTING 9. MAINTENANCE MAINTENANCEMAINTENANCE A.GENERALB.DAILY WITH BOILER IN USE C.WEEKLY WITH BOILER IN USEMAINTENANCE The boiler is at room temperatureDANGER E.ANNUALLY BEFORE START OF HEATING SEASON10. BOILER DIMENSIONS & RATINGS BOILER DIMENSIONS & RATINGSSERIES MI/MIH BOILER DIMENSIONS SERIES MI/MIH BOILER RATINGSREPAIR PARTS 11. REPAIR PARTSREPAIR PARTS SERIES MI/MIH GAS BOILER REPAIR PARTS Figure 11.2 ManifoldREPAIR PARTS Figure 11.3aGas Valve and Pilot - Standing Pilot Figure 11.3b Gas Valve and Pilot - IntermittentREPAIR PARTS Figure 11.4 Block/Draft HoodTable 11.4a Block/Draft Hood Table 11.4b Flue Baffles for MIH OnlyREPAIR PARTS Figure 11.5 Jacket Table 11.5 JacketFigure 11.6 Controls/Circulator/Vent Damper REPAIR PARTSTable 11.6 Controls/Circulator/Vent Damper Installation Operation & Maintenance Manual TO THE INSTALLERQualified Service Agency Series MI/MIH