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...............................................................................................
23
Water connections................................................................................................................
25
Condensate drain..................................................................................................................
26
Electrical connections............................................................................................................
28
Easy-Link System....................................................................................................................
29
Multi-Unit System..................................................................................................................
33
APPLICATIONS............................................................................................................................
34
INITIAL OPERATION...................................................................................................................
36
Owner's Guide
OPERATING SAFETY ..................................................................................................................
38
NORMAL OPERATION ...............................................................................................................
40
Temperature controller and Remote controller.....................................................................
40
General...................................................................................................................................
40
Temperature settings.............................................................................................................
41
Temperature table of controller.............................................................................................
41
Additional features.................................................................................................................
42
Temperature settings on the PCB (Without remote controller)............................................
43
Flow.......................................................................................................................................
44
Freeze protection system.......................................................................................................
44
Maintenance and service.......................................................................................................
45
Unit draining and filter cleaning............................................................................................
45
Descaling...............................................................................................................................
46
TROUBLESHOOTING...................................................................................................................
47
General...................................................................................................................................
47
Error codes............................................................................................................................
49
COMPONENTS DIAGRAM...........................................................................................................
52
PARTS LIST.................................................................................................................................................
57
OUTPUT TEMPERATURE CHART................................................................................................
59
LIMITED WARRANTY..................................................................................................................
60
