PB Heat MIH manual Table of Contents

Page 2

TABLE OF CONTENTS

TABLE OF CONTENTS

USING THIS MANUAL

1

A. INSTALLATION SEQUENCE

.1

B. SPECIAL ATTENTION BOXES

.1

1. PREINSTALLATION

2

A. ACCESSIBILITY CLEARANCES . . . . . . . . . . .2

B. CLEARANCE FROM COMBUSTIBLE CONSTRUCTION . . . . . . . . . . . . . . . . . . . . . .2

C. AIR FOR COMBUSTION AND VENTILATION . . . . . . . . . . . . . . . . . . . . . . . . .2

D. INSTALLATION SURVEY . . . . . . . . . . . . . . . .5 E. PLANNING THE LAYOUT . . . . . . . . . . . . . . . .5

2.

BOILER SET-UP

6

3.

WATER PIPING AND CONTROLS

7

A. BOILER SUPPLY AND RETURN . . . . . . . . . . .7 B. SAFETY RELIEF VALVE . . . . . . . . . . . . . . . . .8 C. PIPING FOR ZONED SYSTEMS . . . . . . . . . . .9 D. EXPANSION TANK . . . . . . . . . . . . . . . . . . . .10 E. INDIRECT-FIRED WATER HEATER . . . . . . .10 F. FREEZE PROTECTION . . . . . . . . . . . . . . . . .10

4. VENTING

11

A. INTEGRAL DRAFT HOOD . . . . . . . . . . . . . .11

B. VENT DAMPER INSTALLATION – GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .11

C. VENT PIPING AND CHIMNEY . . . . . . . . . . .12

D. BOILER REMOVAL FROM COMMON VENTING SYSTEM . . . . . . . . . . . . . . . . . . .13

5.

GAS PIPING

14

6.

ELECTRICAL

16

 

A. WIRING

.16

 

B. ZONED SYSTEM WIRING

.16

 

C. CONTROLS

.16

 

D. SEQUENCE OF OPERATION

.17

7.

START-UP PROCEDURES

21

A. COMPLETING THE INSTALLATION . . . . . . .21 B. CONTROL DESCRIPTIONS . . . . . . . . . . . . .25

C. ADJUSTMENT OF GAS PRESSURE REGULATOR . . . . . . . . . . . . . . . . . . . . . . . . .25

D. ADJUSTMENT OF PILOT GAS FLOW . . . . .25 E. CHECKING BURNER INPUT . . . . . . . . . . . . .26 F. CHECK-OUT PROCEDURE . . . . . . . . . . . . . .26

8. TROUBLESHOOTING

28

A. SHUT-DOWN CAUSED BY PILOT OUTAGE,

BLOCKED VENT SHUT-OFF SWITCH OR FLAME ROLL-OUT SAFETY SHUT-OFF SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

B. TROUBLESHOOTING GUIDES . . . . . . . . . .28

9. MAINTENANCE

31

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .32 B. DAILY (WITH BOILER IN USE) . . . . . . . . . . .32 C. WEEKLY (WITH BOILER IN USE) . . . . . . . . .32 D. MONTHLY (WITH BOILER IN USE) . . . . . . .32

E. ANNUALLY (BEFORE START OF HEATING SEASON) . . . . . . . . . . . . . . . . . . . . . . . . . . .33

10. BOILER DIMENSIONS & RATINGS

34

11. REPAIR PARTS

35

A. BASE/COMBUSTIBLE FLOOR PAN . . . . . . .35 B. MANIFOLD/GAS TRAIN . . . . . . . . . . . . . . . .36 C. BLOCK/DRAFT HOOD . . . . . . . . . . . . . . . . .38 D. JACKET . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

E. CONTROLS/CIRCULATOR/VENT

DAMPER . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

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Contents Series MI/MIH Table of Contents Special Attention Boxes Using this ManualInstallation Sequence Clearance from Combustible Construction PreinstallationAccessibility Clearances AIR for Combustion and VentilationAir Openings All Air from Indoors on Different Floors Air Openings All Air from Outdoors through Vertical Ducts Installation Survey Planning the LayoutBoiler SET-UP Water Piping and Controls Boiler Supply and ReturnSafety Relief Valve Parallel Hook-Up with Water ChillerPiping for Zoned Systems Zone Piping with Zone ValvesFreeze Protection Expansion TankINDIRECT-FIRED Water Heater Integral Draft Hood Vent Damper Installation GeneralVenting Vent Piping and Chimney Venting with Vent Damper in Vertical PositionBoiler Removal from Common Venting System Seal any unused openings in the common venting systemGAS Piping Gas Connection to BoilerMIH Boiler Natural Gas Electrical Wiring ControlsZoned System Wiring Sequence of Operation Wiring and Connection Diagram Intermittent Ignition Intermittent Ignition System Operating Sequence Zone Wiring with Zone Valves START-UP Procedures Completing the InstallationValve Tapping and Adjustment Screw Locations Operating Instructions For Your Safety Read Before Lighting Control Descriptions Adjustment of GAS Pressure RegulatorAdjustment of Pilot GAS Flow CHECK-OUT Procedure Checking Burner InputSTART-UP Procedures Troubleshooting Troubleshooting GuidesProblem Possible Causes Corrective Actions Intermittent Ignition System Troubleshooting Sequence Maintenance Weekly with Boiler in USE GeneralDaily with Boiler in USE Monthly with Boiler in USEAnnually Before Start of Heating Season Standing Pilot and Main Burner FlameBoiler Dimensions & Ratings Series MI/MIH Boiler DimensionsRepair Parts Repair Parts Series MI/MIH GAS Boiler2Manifold Manifold/Gas Train MI Standing Pilot 3b Gas Valve and Pilot Intermittent 4Block/Draft Hood 4a Block/Draft Hood 5Jacket 6Controls/Circulator/Vent Damper Series MI/MIH
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