John Wood Takagi - 240H-340H-540H - Manual (Page 2)

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
INITIAL OPERATION...................................................................................................................32
Owner's Guide
OPERATING SAFETY .................................................................................................................. 34
NORMAL OPERATION ............................................................................................................... 36
Temperature controller and Remote controller.....................................................................36
General...................................................................................................................................36
Temperature settings.............................................................................................................37
Temperature table of controller.............................................................................................37
Additional features.................................................................................................................38
Temperature settings on the PCB (Without remote controller)............................................39
Flow.......................................................................................................................................40
Freeze protection system.......................................................................................................40
Maintenance and service.......................................................................................................41
Unit Draining and Filter Cleaning...........................................................................................41
TROUBLESHOOTING...................................................................................................................42
General...................................................................................................................................42
Error Codes...........................................................................................................................44
COMPONENTS DIAGRAM...........................................................................................................47
PARTS LIST.................................................................................................................................51
OUTPUT TEMPERATURE CHART................................................................................................54
LIMITED WARRANTY..................................................................................................................55