10/27/2016 BI516
TABLE OF CONTENTS
Description Page
Introduction 1
System or Water Flow 2
Multiple Zones & Radiant Temperatures 2
Zone Controller 2
Room Thermostat Placement 3
Two-Temperature Operation or Feature 3
Multiple Boilers 4
Boiler/Plumbing Kit Placement 5
Installation Requirements 5
Mechanical Installation
Under-Floor Radiant 7
Dual Heat 8
Electrical Hookup 9
Standby Boiler 10
Water Fill Procedure 10
Controller Setup 11
Staging/Modulating Jumper 12
Operational Tips 13
Standby Switchover, SOT Timer 14
Replacement Parts List 15
Troubleshooting/Repair Helps 16
WarmFlo Operational Information 17
Drawings:
Hookup BH511
Basic Mechanical BX505
Plumbing, Series Dual Boilers BX506
Internal Wiring Schematic UAW416
Low Voltage Wiring Diagram UAW849
Boiler Accessories BL001
Warranty XX017