Specifications

MAINTENANCE &
SPECIFICATIONS
(Pages 92–124)
This section covers maintenance requirements for all
boilers, repair parts lists, boiler dimensions and speci-
fications.
BASIC INSTALLATION
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Pages
Procedure
4
Please read before proceeding
Read safety information before proceeding•
5–6
Prepare boiler location
Clearances, oor and foundation•
Air openings to room for ventilation•
7–8
Prepare boiler
Make sure vent/air piping can be connected•
Remove from crate•
Convert for propane, if required•
Hydrostatic test•
Place boiler in position•
9–14
Install water piping
Install boiler trim and near boiler piping•
Complete system piping and connections•
15
Appliances left on an existing vent system
For appliances remaining on a vent system aer old •
boiler is disconnected — verify that the vent system
works for remaining appliances
16-22
Vent/air piping
Locate air intake piping to prevent contaminants from •
entering boiler
Install vent/air termination•
Install vent and air piping using acceptable •
materials
23–24
Install condensate piping
Connect condensate hose•
Install condensate pump and lter, if required•
25
Gas piping
Verify gas pipe size•
Connect boiler to gas line•
26-27
Field wiring
Connect wiring to boiler and components•
28–30
U-Control operation and setup
U-Control operation and setup information•
31–38
Start-up
Clean system, then ll; add inhibitor•
Verify water chemistry•
Purge air from system•
Perform nal checks•
Start and operate boiler•
Perform nal verication tests•
Fill out Installation and Service Certicate•
BASIC INSTALLATION
ADVANCED INSTALLATION
(Pages 39–91)
Read and follow the instructions in the
BASIC INSTALLATION section first. Then
use the ADVANCED section for additional
information.
This section covers multiple boiler systems
and additional 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.
Part number 550-100-090/0809
3
BASIC INSTALLATION
(Pages 3–38)
This section covers basic installation and start-up for
most applications. It is limited to conventional systems
and to sidewall vent/air piping using the Weil-McLain
termination cap.
For applications not covered in this section, see the
ADVANCED INSTALLATION section.