34
Description / Part #
Internal CH/DHW Recirculation
Pumps: 7855P-081
Check Point
(Main PCB)
CN9
Function
Provides circulation through the heat exchanger and internal storage tank
Failure Event
Water flow is not detected.
Effects
① Unit does not opperate
② Internal CH/DHW circulation pump is not operating
Error Code
N/A
Diagonostic
① Visual inspection : check wiring for proper connection
② Check supply voltage
Color / Wire Number
Internal DHW circulation pump (yellow/green) : Connector ③, ⑨
Internal CH primary circulation pump (white) : Connector ⑤, ⑪
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
Chapter 2 Components description
CN9
LP-528 REV. 8.01.14
Summary of Contents for EFTC-140F
Page 3: ...1 LP 528 REV 8 01 14 ...
Page 13: ...11 Operation flow chart Chapter 1 Product Characteristics LP 528 REV 8 01 14 ...
Page 14: ...12 Operation flow chart Chapter 1 Product Characteristics LP 528 REV 8 01 14 ...
Page 15: ...13 Wiring Diagram Chapter 1 Product Characteristics LP 528 REV 8 01 14 ...
Page 16: ...14 Wiring Diagram Chapter 1 Product Characteristics Mixing Valve LP 528 REV 8 01 14 ...
Page 42: ...40 Chapter 3 How to use control panel LP 528 REV 8 01 14 ...
Page 67: ...65 Chapter 4 Troubleshooting 1 Flame Detection LP 528 REV 8 01 14 ...
Page 70: ...68 Error code Chapter 4 Troubleshooting LP 528 REV 8 01 14 ...
Page 71: ...69 Chapter 4 Troubleshooting LP 528 REV 8 01 14 ...
Page 72: ...70 Chapter 4 Troubleshooting LP 528 REV 8 01 14 ...
Page 106: ...104 1 Cabinet Replacement Parts Chapter 7 Repair Part Diagram LP 528 REV 8 01 14 ...
Page 107: ...105 Chapter 7 Repair Part Diagram LP 528 REV 8 01 14 ...
Page 108: ...106 2 Combustion System Replacement Parts Chapter 6 Repair Parts Diagram LP 528 REV 8 01 14 ...
Page 109: ...107 Chapter 7 Repair Part Diagram LP 528 REV 8 01 14 ...
Page 110: ...108 Memo LP 528 REV 8 01 14 ...
Page 111: ...109 Memo LP 528 REV 8 01 14 ...
Page 112: ...110 Memo LP 528 REV 8 01 14 ...