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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