User Guide

2 Page
CONTENTS
Installation Manual
SPECIFICATIONS .......................................................................................................................... 4
INTRODUCTION .......................................................................................................................... 5
SAFETY GUIDELINES .................................................................................................................... 6
INSTALLATION ............................................................................................................................. 7
General.....................................................................................................................................7
Warning for installations..........................................................................................................9
Clearances..............................................................................................................................10
Included accessories..............................................................................................................10
Optional items.......................................................................................................................10
High-altitude installations......................................................................................................12
Venting instructions...............................................................................................................13
Gas supply and gas pipe sizing...............................................................................................18
Water connections................................................................................................................20
Electrical connections............................................................................................................21
Remote controller connections............................................................................................22
Pump control connections............................................................................................23
Easy-Link System....................................................................................................................24
APPLICATIONS............................................................................................................................28
INITIAL OPERATION...................................................................................................................30
Owner's Guide
OPERATING SAFETY .................................................................................................................. 32
NORMAL OPERATION ............................................................................................................... 34
General..................................................................................................................................34
Temperature settings-with remote controller-.....................................................................34
Temperature settings on the PCB......................................................................................38
Flow.......................................................................................................................................39
Freeze protection system.......................................................................................................39
Maintenance and service.......................................................................................................40
Unit draining and filter cleaning............................................................................................40
TROUBLESHOOTING...................................................................................................................41
General...................................................................................................................................41
Error codes............................................................................................................................43
COMPONENTS DIAGRAM...........................................................................................................46
PARTS LIST..................................................................................................................................50
OUTPUT TEMPERATURE CHART....................................................................................................54
LIMITED WARRANTY..................................................................................................................55
Contents