Watts AERCO INN 600N - Page 3

Innovation - Edge [i] Installation, Operation, Maintenance Manual
CONTENTS
OMM-0143_A • GF-216 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 3 of 170
2.15 DUCTED COMBUSTION AIR ...........................................................................................34
CHAPTER 3. OPERATION ......................................................................................... 35
3.1 INTRODUCTION.................................................................................................................35
3.2 EDGE CONTROLLER DESCRIPTION ...............................................................................35
3.2.1 Touchscreen Button Functionality .................................................................................37
3.2.2 Logging In .....................................................................................................................38
3.3 MENU STRUCTURE ..........................................................................................................38
3.3.1 Unit Status Menu ..........................................................................................................39
3.3.2 Calibration Menu ...........................................................................................................40
3.3.3 Diagnostics Menu .........................................................................................................41
3.3.4 Main Menu → Advanced Setup ....................................................................................43
3.4 START SEQUENCE ...........................................................................................................51
3.5 START/STOP LEVELS .......................................................................................................54
CHAPTER 4. INITIAL START-UP ............................................................................... 55
4.1 INITIAL START-UP REQUIREMENTS ................................................................................55
4.2 TOOLS & INSTRUMENTs FOR COMBUSTION CALIBRATION .........................................55
4.2.1 Required Tools & Instrumentation .................................................................................56
4.2.2 Installing Gas Supply Manometer .................................................................................56
4.2.3 Accessing the Analyzer Probe Port ...............................................................................57
4.2.4 Connecting Multimeter to Flame Detector .....................................................................57
4.2.5 Recommendations for Temperature Calibration ............................................................58
4.2.6 Recommendations for WHM Operation .........................................................................58
4.3 COMBUSTION CALIBRATION ...........................................................................................59
4.4 REASSEMBLY ....................................................................................................................63
4.5 TEMPERATURE CONTROL CALIBRATION ......................................................................63
4.5.1 Setting the Outlet Water Temperature Setpoint .............................................................64
4.5.2 Minimum Load Adjustment ............................................................................................65
4.5.3 Maximum Load Adjustment ...........................................................................................65
4.6 OVER-TEMPERATURE LIMIT SWITCHES ........................................................................66
CHAPTER 5. SAFETY DEVICE TESTING .................................................................. 67
5.1 INTRODUCTION.................................................................................................................67
5.2 LOW GAS PRESSURE FAULT TEST .................................................................................67
5.3 HIGH GAS PRESSURE FAULT TEST ................................................................................68
5.4 LOW WATER LEVEL FAULT TEST ....................................................................................69
5.5 WATER TEMPERATURE FAULT TEST .............................................................................69
5.6 INTERLOCK TESTS ...........................................................................................................70
5.6.1 Remote Interlock ...........................................................................................................70
5.6.2 Delayed Interlock ..........................................................................................................71
5.7 FLAME FAULT TESTs ........................................................................................................71
5.8 AIR FLOW FAULT TESTS ..................................................................................................72
5.9 SSOV PROOF OF CLOSURE SWITCH .............................................................................74
5.10 PURGE SWITCH OPEN DURING PURGE .......................................................................75
5.11 IGNITION SWITCH OPEN DURING IGNITION.................................................................75
5.12 SAFETY PRESSURE RELIEF VALVE TEST ....................................................................76
CHAPTER 6. MAINTENANCE .................................................................................... 77