Installation Guide
49 Page
Item # Description
Part #
110C, 310C and
510C models
AT-KJr3U-CV, AT-K5U-CV
and AT-D3U-CV models
406
407
Inlet water filter
Inlet thermistor for 110C and 310C models
Inlet thermistor for 510C model
100074382
100074398
100224109
408 Outlet thermistor for 110C and 310C models
Outlet thermistor for 510C model
100074402
100224110
409
410
411
Water outlet
Outlet drain plug
Heat exchanger thermistor for 510C model
100074627
100074264
100224111
412 Hi-Limit switch for 110C and 310C models
Hi-Limit switch for 510C model
100074412
100074280
EM212
413
414
415
Overheat-cut-off fuse
Pipe heater
Inlet heater
100074252
100074682
100074629
EX02A
416
417
418
Pipe inlet for 510C model
Joint outlet for 510C model
Thermo switch
100224112
100224113
N/A
450
451
452
453
Pipe heater fixing plate
Heater fixing plate 16
Fuse fixing plate 18
Combustion chamber fixing plate
N/A
100074310
N/A
N/A
454
455
456
457
100076303
100076305
100076306
100076307
EZF04
EZF06
EZF14
EZF15
458
459
460
461
Fastener “4-11” for 510C model
Fastener “14-22”
Fastener “16A”
100076308
100074282
100074290
100074410
EZF16
EM192
462
463
Fastener “16-25A”
Silicon ring
100074389
N/A
701 Computer board for 110C model
for 310C model
for 510C model
100224114
100224115
100224116
702
703
704
Remote fixing plate for 510C
Surge box
120 VAC wire
100074644
100076100
100074601
705
706
Switch wire
120 VAC Power ON-OFF switch
N/A
N/A
707
708
Remote controller wire for 110C and 310C models
for 510C model
Gas valve wire
100074649
100074650
N/A
709
710
711
Flame rod wire
Cable strap
Igniter assembly
N/A
N/A
100074640
EW022
712
713
714
Computer board cover
24V cables for 510C model
Proportional gas valve wire
100074458
N/A
100074642
EM329
721
722
Temperature controller
Controller fixing plate
100074660
N/A
N/A * Communication cable 100076516
Parts List
Owner's Guide
*Refer to p. 9.