Table Of Contents - Watts AERCO Benchmark BMK5000 Operation And Service Manual

Benchmark Platinum-Edge [ii]: Operation-Service Manual
CONTENTS

Table of Contents

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: EDGE CONTROLLER OPERATION .................................................. 13
2.1 INTRODUCTION ................................................................................................................................... 13
2.2 LOGIN AND PASSWORD ENTRY ....................................................................................................... 14
SECTION 3: START SEQUENCE ........................................................................ 15
3.1 INTRODUCTION ................................................................................................................................... 15
3.2 START SEQUENCE ............................................................................................................................. 15
3.3 START/STOP LEVELS ......................................................................................................................... 23
3.4 START/STOP LEVELS - AIR/FUEL & ENERGY INPUT ..................................................................... 24
3.4.1 BMK750/1000 Air/Fuel Valve Position and Energy Input ............................................................................... 24
3.4.2 BMK1500 Air/Fuel Valve Position and Energy Input....................................................................................... 25
3.4.3 BMK2000 Air/Fuel Valve Position and Energy Input....................................................................................... 27
3.4.4 BMK2500 Air/Fuel Valve Position and Energy Input....................................................................................... 28
3.4.5 BMK3000 Air/Fuel Valve Position and Energy Input....................................................................................... 29
3.4.6 BMK4000 Air/Fuel Valve Position and Energy Input....................................................................................... 30
3.4.7 BMK5000N Air/Fuel Valve Position and Energy Input .................................................................................... 31
3.4.8 Benchmark 5000 Air/Fuel Valve Position and Energy Input ........................................................................... 32
3.4.9 Benchmark 6000 Air/Fuel Valve Position and Energy Input ........................................................................... 33
SECTION 4: INITIAL START-UP ........................................................................ 34
4.1 INITIAL START-UP REQUIREMENTS ................................................................................................. 34
4.2 TOOLS & INSTRUMENTS FOR COMBUSTION CALIBRATION ........................................................ 35
4.2.1 Required Tools & Instrumentation ................................................................................................................. 35
4.2.2 Installing Gas Supply Manometer ................................................................................................................... 35
4.2.3 Accessing the Analyzer Probe Port ................................................................................................................. 39
4.3 BENCHMARK 5000 & 6000 PILOT FLAME IGNITION ........................................................................ 40
4.4 FUEL TYPES AND COMBUSTION CALIBRATION ............................................................................. 40
4.5 COMBUSTION CALIBRATION ............................................................................................................. 40
4.5.1 NATURAL GAS Manual Combustion Calibration ............................................................................................. 41
4.5.2 PROPANE GAS COMBUSTION CALIBRATION .................................................................................................. 48
4.6 REASSEMBLY ...................................................................................................................................... 53
4.7 DUAL FUEL SWITCHOVER ................................................................................................................. 54
4.8 OVER-TEMPERATURE LIMIT SWITCHES ......................................................................................... 54
4.8.1 Adjusting the Automatic Reset Limit Switch Temperature ............................................................................ 55
4.8.2 Resetting the Manual Reset Limit Switch ....................................................................................................... 56
4.8.3 Changing the Readout Between Fahrenheit and Celsius ................................................................................ 56
SECTION 5: SAFETY DEVICE TESTING .............................................................. 58
5.1 TESTING OF SAFETY DEVICES ......................................................................................................... 58
5.2 LOW GAS PRESSURE TEST .............................................................................................................. 59
5.2.1 LOW GAS PRESSURE TEST: BMK750 - 2500 ................................................................................................... 59
OMM-0137_J •
12/20/2022
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Page 2 of 167