2 Page
Contents
CONTENTS
Installation Manual
SPECIFICATIONS .......................................................................................................................... 4
INTRODUCTION .......................................................................................................................... 5
SAFETY GUIDELINES .................................................................................................................... 6
INSTALLATION ............................................................................................................................. 7
General.....................................................................................................................................7
Clearances................................................................................................................................9
Included Accessories...............................................................................................................9
Optional Items........................................................................................................................9
Warning for Installations........................................................................................................11
High-altitude Installations......................................................................................................12
Venting Instructions...............................................................................................................13
Gas supply and gas pipe sizing...............................................................................................20
Water Connections................................................................................................................22
Condensate drain..................................................................................................................23
Electrical Connections............................................................................................................25
Easy-link System.....................................................................................................................26
Multi-unit System...................................................................................................................30
APPLICATIONS............................................................................................................................31
INITIALOPERATION...................................................................................................................32
Owner's Guide
OPERATINGSAFETY .................................................................................................................. 34
NORMALOPERATION ............................................................................................................... 36
TemperaturecontrollerandRemotecontroller.....................................................................36
General...................................................................................................................................36
Temperature settings.............................................................................................................37
Temperature table of controller.............................................................................................37
Additional features.................................................................................................................38
TemperaturesettingsonthePCB(Withoutremotecontroller)............................................39
Flow.......................................................................................................................................40
Freeze protection system.......................................................................................................40
Maintenance and service.......................................................................................................41
Unit Draining and Filter Cleaning...........................................................................................41
TROUBLESHOOTING...................................................................................................................42
General...................................................................................................................................42
Error Codes...........................................................................................................................44
COMPONENTSDIAGRAM...........................................................................................................47
PARTSLIST.................................................................................................................................51
OUTPUTTEMPERATURECHART................................................................................................54
LIMITEDWARRANTY..................................................................................................................55
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