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AERCO BMK 6000 Dual Fuel User Manual

Page 3

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Benchmark 6000 DF

Installation, Operation & Maintenance Manual

OMM-0096_0B

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913

Page 3 of 219

GF-141

Ph.: 800-526-0288

03/21/2014

TABLE OF CONTENTS

FOREWORD .............................................................................................................................................. 7

CHAPTER 1.

SAFETY PRECAUTIONS ................................................................................................ 11

1.1 WARNINGS & CAUTIONS ..................................................................................................................................... 11

1.2 EMERGENCY SHUTDOWN.................................................................................................................................... 12

1.3 PROLONGED SHUTDOWN ................................................................................................................................... 13

1.4 MASSACHUSETTS INSTALLATIONS ............................................................................................... 13

CHAPTER 2.

INSTALLATION ............................................................................................................... 15

2.1 INTRODUCTION ................................................................................................................................................... 15

2.2 RECEIVING THE UNIT ........................................................................................................................................... 15

2.3 MOVING & UNPACKING THE UNIT ...................................................................................................................... 15

2.4 SITE PREPARATION .............................................................................................................................................. 16

2.4.1 Installation Clearances ................................................................................................................................. 16

2.4.2 Setting the Unit ............................................................................................................................................ 18

2.5 SUPPLY AND RETURN PIPING .............................................................................................................................. 20

2.6 PRESSURE RELIEF VALVE & PRESSURE/TEMPERATURE INDICATOR INSTALLATION ............................................ 20

2.6.1 Pressure Relief Valve Installation ................................................................................................................. 20

2.6.2 Pressure/Temperature Gauge Installation ................................................................................................... 21

2.7 CONDENSATE DRAIN & PIPING ............................................................................................................................ 22

2.8 GAS SUPPLY PIPING ............................................................................................................................................. 23

2.8.1 Gas Supply Specifications ............................................................................................................................. 24

2.8.2 Manual Gas Shutoff Valve ............................................................................................................................ 24

2.8.3 External Gas Supply Regulator ..................................................................................................................... 24

2.8.3.1 Massachusetts Installations Only .......................................................................................................... 24

2.8.3.2 All Installations (Except Massachusetts) ............................................................................................... 25

2.9 AC ELECTRICAL POWER WIRING .......................................................................................................................... 25

2.9.1 Electrical Power Requirements .................................................................................................................... 27

2.10 FIELD CONTROL WIRING .................................................................................................................................... 27

2.10.1 OUTDOOR AIR IN Terminal ......................................................................................................................... 29

2.10.2 COMBUSTION AIR Terminal ....................................................................................................................... 30

2.10.3 O

2

SENSOR Terminals ................................................................................................................................. 30

2.10.4 SPARK SIGNAL Terminals ............................................................................................................................ 30

2.10.5 ANALOG IN Terminals ................................................................................................................................. 30

2.10.6 B.M.S. (PWM) IN Terminals ........................................................................................................................ 30

2.10.7 SHIELD Terminals ........................................................................................................................................ 30

2.10.8 ANALOG OUT Terminals ............................................................................................................................. 30

2.10.9 RS485 Comm Terminals .............................................................................................................................. 31

2.10.10 RS232 Comm Terminals ............................................................................................................................ 31

2.10.11 VFD/BLOWER Terminals ........................................................................................................................... 31

2.10.12 Interlock Terminals ................................................................................................................................... 31

2.10.12.1 Remote Interlock In (OUT & IN)......................................................................................................... 31

2.10.12.2 Delayed Interlock In (OUT & IN) ........................................................................................................ 31

2.10.13 FAULT RELAY Terminals ............................................................................................................................ 32

2.10.14 AUX.RELAY Terminals ............................................................................................................................... 32

2.11 FLUE GAS VENT INSTALLATION ......................................................................................................................... 32

2.12 COMBUSTION AIR .............................................................................................................................................. 33

2.12.1 Combustion From Outside the Building ..................................................................................................... 33

2.12.2 Combustion Air from Inside the Building ................................................................................................... 33

2.13 DUCTED COMBUSTION AIR ............................................................................................................................... 34

2.14 SEQUENCING VALVE INSTALLATION .................................................................................................................. 34

CHAPTER 3.

OPERATION .................................................................................................................... 37

3.1 INTRODUCTION ................................................................................................................................................... 37