106636-04 - 8/22
9700609
X-2
TM
Installation, Operating and Service Instructions for
• Water Boiler
• Cast Iron
• Chimney Vent
• Gas Fired
Models:
• X-202
• X-203
• X-204
• X-205
WARNING
Read these instructions carefully before installing. This boiler must only be installed, serviced, or repaired
by a qualified installer, service agency or gas supplier. Improper installation, adjustment, alteration, service,
or maintenance can cause severe personal injury, death, or substantial property damage. For assistance or
additional information, consult a qualified installer, service agency or gas supplier.
!
Manual Contents Page
1. Qualified Installer, Service Agency or Gas Supplier
Read Before Proceeding .........................3
2. User/Homeowner Read Before Proceeding ..........4
3. Specifications ..................................5
4. Locating Boiler .................................6
5. Preparing Boiler .................................9
6. Venting ........................................9
7. Water Piping ...................................12
8. Gas Piping ....................................16
9. Electrical .....................................17
10. System Start-up and Checkout ...................21
11. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
12. Before Leaving Jobsite ..........................30
13. Service and Maintenance ........................31
14. How it Works ..................................34
15. Troubleshooting ...............................36
16. Service Parts ..................................41
Appendix A Combination Refrigeration/Heating System ..48
Appendix B Water Quality and Boiler Additives .........49
Appendix C Low Water Return Temperature ............50
WARNING
Attention Installer - Affix these instructions
adjacent to boiler. Provide model number and
serial number when seeking information and
support.
Attention Building Owner - Retain these
instructions for future reference. Contact a
qualified installer, service agency or gas
supplier for all issues and support.
• X-206
• X-207
• X-208
• X-209
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