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
!
