Table Of Contents - State Water Heaters 301 Series Instruction Manual

GENERAL SAFETY INFORMATION .............................. 4
Precautions ................................................................ 4
Grounding Instructions ............................................... 4
Hydrogen Gas Flammable ......................................... 4
INTRODUCTION ............................................................ 6
Abbreviations Used .................................................... 6
Qualifications .............................................................. 6
ICOMM and BMS/EMS COMPATIBILITY ................... 6
Preparing for the Installation ...................................... 6
Basic Operation .......................................................... 7
Modulation .................................................................. 7
Blower/Burner Assembly Detail .................................. 7
FEATURES AND COMPONENTS ................................. 7
Components- Top View (All Models) .......................... 8
Side Views .................................................................. 9
INSTALLATION CONSIDERATIONS ........................... 10
Rough-In Dimensions ............................................... 10
Locating the Water Heater ........................................ 11
Optional Direct Vent Terminations ............................ 12
Hard Water ............................................................... 12
Circulation Pumps .................................................... 12
Insulation Blankets ................................................... 12
INSTALLATION REQUIREMENTS .............................. 13
Gas Supply Systems ................................................ 13
Supply Gas Regulator .............................................. 13
Power Supply ........................................................... 13
Mixing Valves............................................................ 14
Dish-washing Machines ........................................... 14
Closed Water Systems ............................................. 14
Thermal Expansion .................................................. 14
Temperature-Pressure Relief Valve .......................... 15
Condensate Drain .................................................... 16
Combustible Material Storage .................................. 16
Contaminated Air ...................................................... 16
Air Requirements ...................................................... 17
Fresh Air Openings For Confined Spaces ................ 18
INSTALLATION REQUIREMENTS - COMMONWEALTH
OF MASSACHUSETTS ................................................ 20
VENTING INSTALLATION ........................................... 21
General Venting Information ..................................... 21
Category IV Appliances ............................................ 21
General Venting Instructions .................................... 21
Venting Requirements .............................................. 22
Common Direct Venting ........................................... 23
Venting Installation Sequence .................................. 23
Power Vent Installation ............................................. 23
Direct Vent Installation .............................................. 24
Vertical Termination Installation ................................ 25
Sidewall Termination Installation .............................. 27
Polypropylene Installations ....................................... 28

TABLE OF CONTENTS

AL29-4C
Common Direct Venting Requirements ........................ 29
Concentric Termination Installation Preparation ........... 30
Concentric Termination Installation .............................. 31
Low-Profile Vent Termination installation ...................... 34
Venting Arrangements .................................................. 35
Venting Arrangements .................................................. 36
Termination Clearances Sidewall Power Vent .............. 37
Termination Clearances Sidewall Direct Vent ............... 38
WATER HEATER INSTALLATION .................................... 39
Condensate Drain Installation ...................................... 39
Supply Gas Line Installation ......................................... 40
Gas Line Leak Testing .................................................. 41
Electrical Wiring ............................................................ 41
Water Line Connections ............................................... 43
T&P Valve Discharge Pipe ........................................... 43
TEMPERATURE REGULATION ...................................... 44
High Temperature Limit Control (ECO)......................... 44
Thermostat Control ....................................................... 44
Firing Rate Modulation ................................................. 44
High Temperature Applications ..................................... 44
CONTROL SYSTEM OPERATION .................................. 45
Control System Navigation ........................................... 45
User Settings & Control System Menus ....................... 48
START UP ........................................................................ 53
Prior to Start up ............................................................ 53
Initial Start Up ............................................................... 53
Lighting Operation & Labels ......................................... 54
Checking The Firing Rate ............................................. 56
High Altitude Installations ............................................. 56
TROUBLESHOOTING ..................................................... 57
Installation Checklist ..................................................... 57
Sequence Of Operation ................................................ 57
Sequence Of Operation Flow Chart ............................. 58
Operational Problems ................................................... 59
Fault And Alert Conditions ............................................ 60
MAINTENANCE ............................................................... 63
General ......................................................................... 63
Draining And Flushing .................................................. 63
Sediment Removal ....................................................... 64
Powered Anode Rods ................................................... 64
Drain Valve and Access Panels .................................... 64
Temperature-Pressure Relief Valve Test ...................... 64
Vent System ................................................................. 65
DIAGRAMS ...................................................................... 66
Central Control Board (CCB) Layout ............................ 66
Wiring Diagram ............................................................. 67
Circulation Pump Wiring Diagrams .............................. 68
Water Piping Diagrams ................................................. 69
NOTES ............................................................................. 77
2
® Vent Installations ......................................... 29