ESC Installation, Operating, and Service Instructions

8
Installation:
1. Unpack the crate ............................................................................................. 9
2. Position the boiler ............................................................................................ 9
3. Provide combustion air .................................................................................. 10
4. Connect venting ............................................................................................. 10
5. Connect gas piping ........................................................................................ 12
6. Connect boiler water piping ........................................................................... 12
7. Connect electrical wiring ................................................................................ 14
8. Program the controls ..................................................................................... 15
9. Check for gas and water leaks ...................................................................... 18
10. Perform startup checks and adjustments ...................................................... 19
Annual Maintenance Checklist ............................................................................ 21
Troubleshooting .................................................................................................... 23
Repair Parts List ................................................................................................... 29
Internal Wiring ....................................................................................................... 37
Appendices:
A – Combustion Air................................................................................................. 41
B – Venting ............................................................................................................. 42
C – Gas Piping ....................................................................................................... 51
D – System Piping .................................................................................................. 53
E – Filling the System and Checking for Leaks ...................................................... 57
F – Adjusting Gas Input Rate ................................................................................. 58
G – Checking Draft and Combustion ...................................................................... 59
H – Operation ......................................................................................................... 60
I – IQ Control System ............................................................................................. 61
BOILER QUICK-START