Table of Contents
TABLE OF CONTENTS ........................................................................................... 2
FOREWORD ...................................................................................................... 5
SECTION 1: SAFETY PRECAUTIONS ................................................................... 9
1.1 WARNINGS & CAUTIONS ................................................................................................... 9
1.2 EMERGENCY SHUTDOWN ...............................................................................................10
1.3 PROLONGED SHUTDOWN ...............................................................................................10
1.4 IMPORTANT – FOR MASSACHUSETTS INSTALLATIONS ...............................................11
SECTION 2: INSTALLATION ............................................................................. 13
2.1 INTRODUCTION.................................................................................................................13
2.2 RECEIVING THE UNIT .......................................................................................................13
2.3 UNPACKING .......................................................................................................................13
2.4 SITE PREPARATION .........................................................................................................14
2.4.1 Installation Clearances ................................................................................................................... 14
2.4.2 Setting the Unit .............................................................................................................................. 17
2.5 LIFTING PROVISIONS .......................................................................................................20
2.5.1 BMK750 – 1000 Lifting Provisions .................................................................................................. 20
2.5.2 BMK1500 – 4000 Lifting Provisions ................................................................................................ 21
2.5.3 BMK5000 & 6000 Lifting Provisions ............................................................................................... 21
2.6 SUPPLY AND RETURN PIPING .........................................................................................22
2.6.1 BMK750 – 1000 Supply and Return Piping ..................................................................................... 22
2.6.2 BMK1500 – 4000 Supply and Return Piping ................................................................................... 23
2.6.3 BMK5000 – 6000 Supply and Return Piping ................................................................................... 24
2.6.4 Dual Inlet Return Piping ................................................................................................................. 24
2.7 PRESSURE RELIEF VALVE INSTALLATION ....................................................................25
2.8 CONDENSATE DRAIN AND PIPING ..................................................................................26
2.9 GAS SUPPLY PIPING ........................................................................................................28
2.9.1 Gas Supply Specifications ............................................................................................................... 28
2.9.2 External Gas Supply Regulator ....................................................................................................... 28
2.9.3 Manual Gas Shutoff Valve .............................................................................................................. 32
2.10 AC ELECTRICAL POWER WIRING ..................................................................................32
2.10.1 Electrical Power Requirements .................................................................................................... 32
2.10.2 Power Panel Locations ................................................................................................................. 33
2.10.3 Electrical Power Panel Internal Components ............................................................................... 34
2.11 FIELD CONTROL WIRING – I/O BOARD .........................................................................35
2.11.1 I/O Board Connections ................................................................................................................. 36
2.12 FLUE GAS VENT INSTALLATION ....................................................................................40
2.12.1 MASSACHUSETTS INSTALLATIONS ............................................................................................... 41
2.13 COMBUSTION AIR ...........................................................................................................41
DUCTED COMBUSTION AIR ..................................................................................................................... 42
2.14 BST SEQUENCING ISOLATION VALVE INSTALLATION ................................................42
2.15 BOILER PUMP RELAY .....................................................................................................44
SECTION 3: ONAER SETUP .............................................................................. 45
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