Takagi AT-KJr3U-IN Installation Manual And Owner's Manual page 54

Computer board assembly
110U (AT-KJr3U-IN/OS) and
310U (AT-K5U-IN/OS)
711
708
408
407
714
707
068
701
705
103
709
402
402
721
064
712
Surge box assembly
053
062
703
704
705
716
54
Components Diagram
510U (AT-D3U-IN/OS)
711
709
714
403
120
706
Page
Owner's Guide
701
708
705
103
402
402
713
721
713
707
712
705