Specifications

Part number 550-100-090/0809
39
g a s -f i r e d w a t e r b o i l e r — Boiler Manual
ADVANCED INSTALLATION
ADVANCED INSTALLATION
Quick view . . .
Pages
Procedure
40–43
Identify and locate boiler components
Read about boiler features and functions.•
44–45
Modify boilers for propane operation, if required
All boilers except the Ultra-399 require an orice change to •
operate on propane — follow instructions.
46–47
Wall mounting option
Wall mounting Ultra boilers requires a special kit.•
Follow instructions in this section to wall mount the boiler.•
48–51
Additional system piping applications
is section provides additional piping suggestions not covered •
in the BASIC section.
It includes an application with an existing indirect water heater •
piped as a zone.
52–53
Sizing DHW piping and circulators
is section provides information on boiler head loss vs ow •
and other information needed for sizing DHW piping.
54–60
Installing multiple Ultra boilers
is section provides application information and suggested •
piping for multiple boiler systems.
62–76
Vent / air piping alternatives
This section provides installation instructions for four •
additional vent / air piping methods not covered in the
BASIC section (two sidewall congurations and two vertical
congurations).
77
Gas piping
Size or verify sizing of gas supply lines with the information •
in this section.
78–82
Field wiring
is section includes wiring diagrams and additional wiring •
options available with the U-Control module.
83–91
U-Control operation and setup — advanced
is section provides a complete description of U-Control •
setting options and diagnostics.
Part number 550-100-090/0809
39
ADVANCED
INSTALLATION
(Pages 39–91)
READ AND FOLLOW
INSTRUCTIONS IN THE
BASIC INSTALLATION
SECTION FIRST. This
section is supplemental
information only.
This section covers
multiple boiler systems
and system types not
covered under the BASIC
section. It also includes
alternative vent/air piping
methods, water and gas
pipe sizing guidelines
and advanced, detailed
information on the
U-Control and boiler
wiring.