AERCO Innovation (G-10-1350 to G-11-0563) - Manual (Page 3)

Innovation Series Water Heaters
GF-128
Table of Contents USER MANUAL OMM-0079_0B
07/21/11 AERCO International, Inc.
· 100 Oritani Dr. · Blauvelt, NY 10913 · Ph: 800-526-0288 Page 3 of 200
TABLE OF CONTENTS
FOREWORD ................................................................................................................... 7
CHAPTER 1. SAFETY PRECAUTIONS .................................................................. 9
1.1 WARNINGS & CAUTIONS ................................................................................................. 9
1.2 EMERGENCY SHUTDOWN ............................................................................................. 10
1.3 PROLONGED SHUTDOWN ............................................................................................. 10
CHAPTER 2. INSTALLATION ............................................................................... 13
2.1 INTRODUCTION ............................................................................................................... 13
2.2 RECEIVING THE UNIT ..................................................................................................... 13
2.3 UNPACKING .................................................................................................................... 13
2.4 SITE PREPARATION ....................................................................................................... 13
2.4.1 Installation Clearances ..............................................................................................14
2.4.2 Setting the Unit ..........................................................................................................15
2.5 WATER INLET AND OUTLET PIPING ............................................................................. 15
2.6 TEST HOSE BIB CONNECTION ...................................................................................... 16
2.7 PRESSURE & TEMPERATURE RELIEF VALVE INSTALLATION .................................. 17
2.8 SYSTEM RECIRCULATION LOOP .................................................................................. 17
2.9 CONDENSATE DRAIN & PIPING .................................................................................... 17
2.10 GAS SUPPLY PIPING .................................................................................................... 19
2.10.1 Gas Supply Specifications. ........................................................................................20
2.10.2 Manual Gas Shutoff Valve .........................................................................................20
2.10.3 External Gas Supply Regulator ..................................................................................20
2.11 AC ELECTRICAL POWER WIRING ............................................................................... 21
2.11.1 Electrical Power Requirements ..................................................................................21
2.12 FIELD CONTROL WIRING ............................................................................................. 22
2.12.1 Outdoor Air Sensor ....................................................................................................23
2.12.2 AUX SENSOR IN ......................................................................................................23
2.12.3 ANALOG IN ...............................................................................................................23
2.12.4 B.M.S. (PWM) IN .......................................................................................................24
2.12.5 SHIELD .....................................................................................................................24
2.12.6 mA OUT ....................................................................................................................24
2.12.7 EXHAUST SENSOR IN .............................................................................................24
2.12.8 INTERLOCKS............................................................................................................24
2.12.9 FAULT RELAY ..........................................................................................................25
2.12.10 AUXILIARY RELAY CONTACTS.............................................................................25
2.13 FLUE GAS VENT INSTALLATION ................................................................................. 25
2.14 COMBUSTION AIR ......................................................................................................... 25
2.14.1 Combustion From Outside the Building .....................................................................26
2.14.2 Combustion Air from Inside the Building ....................................................................26