8.B
Advanced Programing .......................32
8.B.1 Fahrenheit or Celsius ...........................32
8.B.2 Low Water Cut-Off ................................32
8.B.2.a RESET, Manual or Automatic ...............32
8.B.2.b Testing Low Water Cut OFF .................33
8.B.3 High Limit Differential ...........................33
8.C
Sensor Programming .........................33
8.C.1 Outdoor Sensors ..................................33
8.C.2 Setting Warm Weather Shutdown ........33
8.C.3 Adjusting Outdoor Reset Ratio .............34
8.C.4 Thermal Boost Function .......................34
8.C.4.a Outdoor Reset ......................................34
8.C.4.b Thermal Targeting.................................35
8.D
Restore Factory Default Settings ......35
8.E
View Current Settings ......................35
8.F
DHW Functionality ................................35
SECTION 9 INITIAL STARTUP
9.A
Filling the System .................................36
9.B
System Start Up (Seq of Operation) .....36
9.C
Proper Pilot Flame ................................38
9.D
Lighting Instructions Decal ...................39
9.E
System Shutdown ................................
40
SECTION 10 MAINTENANCE
10.A
Removing the Covers and Panels ........
40
10.A.1 Access Cover Removal ......................
40
10.A.2 Flue Collector Access ..........................
40
10.A.3 Side Panel Removal ............................
41
10.A.4 Draft Hood Removal ...........................
41
10.B
Maintenance .........................................
42
SECTION 11 OPERATING DETAILS AND
TROUBLESHOOTING
11.A
Operating Details ..................................43
11.B
Electrical Troubleshooting ....................43
11.C
Troubleshooting Table ..........................
44
11.D
Troubleshooting Flow Charts ................45
11.D.1 Troubleshtng Flow Chart 1 (burners off) ..45
11.D.2 Troubleshtng Flow Chart 2 (burners on) .
46
11.E
Glossary of Terms.................................47
SECTION 12 REPLACEMENT PARTS
12.A
Parts List ..............................................48
12.B
Accessories List ...................................
49
M
INI-
T
HERM
JX
Residential Boilers
®
