Table Of Contents - Watts AERCO CFR 1500 Operation And Service Manual

Table of Contents

CONTENTS

SECTION 1.

SAFETY PRECAUTIONS ................................................................................ 5

1.1 WARNINGS & CAUTIONS ..................................................................................................................... 5

1.2 EMERGENCY SHUTDOWN ................................................................................................................... 6

1.3 PROLONGED SHUTDOWN ................................................................................................................... 6

1.4 IMPORTANT - FOR MASSACHUSETTS INSTALLATIONS ................................................................. 6

SECTION 2.

EDGE CONTROLLER OPERATION ................................................................ 7

2.1 INTRODUCTION ..................................................................................................................................... 7

2.2 LOGIN AND PASSWORD ENTRY ......................................................................................................... 8

SECTION 3.

START SEQUENCE ........................................................................................ 9

3.1 INTRODUCTION ..................................................................................................................................... 9

3.2 START SEQUENCE ............................................................................................................................... 9

3.3 START/STOP LEVELS ........................................................................................................................ 12

3.4 START/STOP LEVELS - AIR/FUEL & ENERGY INPUT ..................................................................... 13

SECTION 4.

INITIAL START-UP .........................................................................................14

4.1 INITIAL START-UP REQUIREMENTS ................................................................................................. 14

4.2 TOOLS & INSTRUMENTS FOR COMBUSTION CALIBRATION ........................................................ 14

4.2.1 Required Tools & Instrumentation ................................................................................................................. 14

4.2.2 Installing a Gas Supply Manometer ................................................................................................................ 15

4.2.3 Accessing the Analyzer Probe Port ................................................................................................................. 16

4.3 COMBUSTION CALIBRATION ............................................................................................................. 16

4.3.1 NATURAL GAS Manual Combustion Calibration ............................................................................................. 16

4.4 REASSEMBLY ...................................................................................................................................... 19

4.5 OVER-TEMPERATURE LIMIT SWITCHES ......................................................................................... 19

4.5.1 Adjusting the Automatic Reset Limit Switch Temperature ............................................................................ 20

4.5.2 Resetting the Manual Reset Limit Switch ....................................................................................................... 20

4.5.3 Changing the Readout Between Fahrenheit and Celsius ................................................................................ 21

4.6 STACK GUARD SENSOR OPERATION .............................................................................................. 21

SECTION 5.

SAFETY DEVICE TESTING ............................................................................22

5.1 TESTING OF SAFETY DEVICES ......................................................................................................... 22

5.2 LOW GAS PRESSURE TEST .............................................................................................................. 22

5.3 HIGH GAS PRESSURE TEST ............................................................................................................. 23

5.4 LOW WATER LEVEL FAULT TEST ..................................................................................................... 23

5.5 WATER TEMPERATURE FAULT TEST .............................................................................................. 24

5.6 INTERLOCK TESTS ............................................................................................................................. 25

5.6.1 Remote Interlock Test..................................................................................................................................... 25

5.6.2 Delayed Interlock Test .................................................................................................................................... 25

5.7 FLAME FAULT TEST ............................................................................................................................ 26

5.8 AIR FLOW FAULT TESTS - BLOWER PROOF & BLOCKED INLET SWITCHES .............................. 26

5.8.1 Blower Proof Switch Test ................................................................................................................................ 26

5.8.2 Blocked Inlet Switch Test ................................................................................................................................ 27

5.9 SSOV PROOF OF CLOSURE SWITCH CHECK ................................................................................. 28

5.10 PURGE SWITCH OPEN DURING PURGE ........................................................................................ 29

5.11 IGNITION SWITCH OPEN DURING IGNITION ................................................................................. 29

5.12 SAFETY PRESSURE RELIEF VALVE TEST ..................................................................................... 29

SECTION 6.

STANDALONE MODES OF OPERATION ......................................................30

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