Watts Aerco INN 1060N - Default Chapter; Table of Contents

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 2 of 170
TABLE OF CONTENTS
FOREWORD ................................................................................................................... 7
CHAPTER 1. SAFETY PRECAUTIONS ..................................................................... 11
1.1 WARNINGS & CAUTIONS ..................................................................................................11
1.2 EMERGENCY SHUTDOWN ...............................................................................................12
1.3 PROLONGED SHUTDOWN ...............................................................................................12
1.4 FOR MASSACHUSETTS INSTALLATIONS .......................................................................13
CHAPTER 2. INSTALLATION .................................................................................... 15
2.1 INTRODUCTION.................................................................................................................15
2.2 RECEIVING THE UNIT .......................................................................................................15
2.3 UNPACKING .......................................................................................................................15
2.4 SITE PREPARATION .........................................................................................................16
2.4.1 Installation Clearances ..................................................................................................16
2.4.2 Setting the Unit .............................................................................................................17
2.5 WATER INLET AND OUTLET PIPING ................................................................................18
2.5.1 WHM Actuator-Controlled Ball Valve Installation ...........................................................19
2.5.2 Automatic Float Vent Installation ...................................................................................20
2.6 TEST HOSE CONNECTION ...............................................................................................20
2.7 INTERNAL RECIRCULATION LOOP ..................................................................................21
2.8 PRESSURE & TEMPERATURE RELIEF VALVE INSTALLATION .....................................22
2.9 CONDENSATE DRAIN & PIPING .......................................................................................22
2.10 GAS SUPPLY PIPING ......................................................................................................24
2.10.1 Gas Supply Specifications. .........................................................................................24
2.10.2 Manual Gas Shutoff Valve ..........................................................................................25
2.10.3 External Gas Supply Regulator ...................................................................................25
2.11 AC ELECTRICAL POWER WIRING ..................................................................................26
2.11.1 Electrical Power Requirements ...................................................................................27
2.12 FIELD CONTROL WIRING ...............................................................................................28
2.12.1 OUTDOOR AIR IN Terminal .......................................................................................29
2.12.2 COMBUSTION AIR Terminals ....................................................................................29
2.12.3 O2 SENSOR Terminals ..............................................................................................29
2.12.4 SPARK SIGNAL Terminals .........................................................................................29
2.12.5 ANALOG IN Terminals ................................................................................................30
2.12.6 VALVE FEEDBACK Terminals ....................................................................................30
2.12.7 SHIELD Terminals ......................................................................................................30
2.12.8 ANALOG OUT Terminals ............................................................................................30
2.12.9 RS485 Comm Terminals .............................................................................................31
2.12.10 RS232 Comm Terminals ...........................................................................................31
2.12.11 VFD/BLOWER Terminals ..........................................................................................31
2.12.12 Interlock Terminals ....................................................................................................31
2.12.13 FAULT RELAY Terminals .........................................................................................31
2.12.14 AUX RELAY Terminals .............................................................................................32
2.13 FLUE GAS VENT INSTALLATION ....................................................................................32
2.14 COMBUSTION AIR ...........................................................................................................33
2.14.1 Combustion from Outside the Building ........................................................................33
2.14.2 Combustion Air from Inside the Building......................................................................33