2
Page
CONTENTS
Inst
allation Manual
SPECIFICATIONS ..........................................................................................................................
4
INTRODUCTION ..........................................................................................................................
5
SAFETY GUIDELINES ....................................................................................................................
6
INSTALLATION .............................................................................................................................
7
General.....................................................................................................................................
7
Clearances................................................................................................................................
9
Included accessories................................................................................................................
9
Op
tional
items........................................................................................................................
10
High-altitude
installa
tions
........................................................................................................
11
Ven
ting instructions
......................................................................................................
12
Gas supply and gas pipe sizing ...............................................................................................................
22
Water c
onnections
...............................................................................................
24
Condensate drain................................................................................................................
25
Electrical c
onnections
........................................................................................................
27
Easy-Link System.........................................................................................
28
Multi-Unit
System
.................................................................................................
32
Hydro Smart Pre-built Panels................................................................................................
33
Hydro Smart Dual Purpose Panel..........................................................................................
34
INITIAL OPERATION...................................................................................................................
35
Owner's
Guide
OPERATING SAFETY ..................................................................................................................
37
NORMAL OPERATION ...............................................................................................................
39
General...................................................................................................................................
39
Temperature se
ttings
.............................................................................................................
40
Temperature table of controller.............................................................................................
40
Add
iti
onal features.................................................................................................................
41
Temperature se
ttings
on the PCB (Without remote controller)............................................
42
Flow.......................................................................................................................................
43
Freeze prot
ection
system.......................................................................................................
43
Maintenance and service.......................................................................................................
44
Unit draining .........................................................................................................................
44
TROUBLESHOOTING...................................................................................................................
45
General...................................................................................................................................
45
Error codes............................................................................................................................
47
COMPONENTS DIAGRAM...........................................................................................................
50
PARTS LIST.................................................................................................................................
54
OUTPUT TEMPERATURE CHART................................................................................................
56
LIMITED WARRANTY..................................................................................................................
57
Contents