Procedures; Verifying Proper Dipswitch Settings - A.O. Smith 110 Troubleshooting Manual

5.4 TROUBLESHOOTING ‐ PROCEDURES
Verifying proper Dipswitch settings...
Draining the unit....................................p.21
Cleaning the filter..................................p.21
Checking for a Cross Connection.........p.21
Check for Reverse Connection.............p.21
Check gas supply pressure...................
Purge the gas line of air.......................
Adjusting manifold pressure................p.22
Resetting the computer board............
Checking the OHCF............................... p.24
VERIFYING PROPER DIPSWITCH SETTINGS:
•
Incorrect Dipswitch settings can cause a 031 error code, or a number of operational problems.
Table 3 – 310 (T‐K4), 110 (T‐KJr2) Dipswitch Settings
No.
1 Gas type
2
3 FM+, FM++, FM+++ 110 Indoor (T‐KJr2‐IN), 310 Indoor (T‐K4‐IN)
4
5 N/A
6 Model type
7 Output temperature settings (Default 122F)
8
p.19
p.21
p.22
p.23
Function
No.4 OFF position
ON position
110 Outdoor (T‐KJr2‐OS), 310 Outdoor (T‐K4‐OS)
No.4 OFF position
ON position
19|
Dipswitch Bank
Figure 15
ON position
Propane
Natural Gas
No.3
OF position
0%
+12%
No.3
OFF position ON position
0%
+8%
N/A
Outdoor 110 (T‐KJr2‐OS),
Outdoor 310 (T‐K4‐OS)
Page
Troubleshooting Guide
OFF position
Disable
Disable
N position
+6%
+18%
+4%
+12%
N/A (Default)
Indoor 110 (T‐KJr2‐IN),
Indoor 310 (T‐K4‐IN)