ray 200i, Installation And Operation Instructions Manual, Page: 4 / 52

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P/N 42-9470 11/07 Copyright 2007 Mestek, Inc.
Cast iron condensing boiler
Cast iron condensing boiler — Installation and operation manual
Hazard icons
You will fi nd the following icons
throughout this manual.
(English/French)
The WARNING icon indicates
a hazard that can cause severe
personal injury, death or
substantial property damage
.
The CAUTION icon indicates a
hazard that will or can cause minor
personal or property damage .
The NOTICE icon calls out special
instructions that are important, but
are not related to hazards.
Other manuals
You must read and follow this
manual, the
200i
Vent/Air
manual , the
200i
Control manual
and all additional materials
supplied with the boiler. Failure
to do so can result in severe
personal injury, death or substantial
property damage.
Start-up/service history
Before leaving the installation site
after start or service, fi ll out the
Start-up/service history information
on the back page.
Contents
Customer service and technical support
Please direct all questions to your Mestek distributor or contact
the Mestek Customer Service Department at:
260 North Elm Street Westfi eld, MA 01085
Phone (413) 568-9571
Always include the model and serial numbers from the rating
plate of the boiler in question.
Claims for damage or missing components must be fi led imme-
diately against the transportation company by the consignee.
1
Read before beginning the installation . . . . 5
2
Boiler ratings and specifi cations . . . . . . . . . 6
3
Installation site preparation . . . . . . . . . . . 7
4
Prepare the boiler . . . . . . . . . . . . . . . . . 10
5
Water piping . . . . . . . . . . . . . . . . . . . . 11
6
Gas piping . . . . . . . . . . . . . . . . . . . . . . 18
7
Wiring a single boiler . . . . . . . . . . . . . . . 20
8
Control setup . . . . . . . . . . . . . . . . . . . . 25
9
Vent piping (and air piping when used) . . . 28
10
Condensate drain line . . . . . . . . . . . . . . 29
11
Fill and test the system . . . . . . . . . . . . . . 30
12
Starting the boiler . . . . . . . . . . . . . . . . . 32
13
Annual start-up . . . . . . . . . . . . . . . . . . 41
14
Maintenance . . . . . . . . . . . . . . . . . . . . 42
15
Replacement parts . . . . . . . . . . . . . . . . 46
16
Appendix A — suggested wiring . . . . . . . 48