Takagi T-K3 Service Manual

T-K3 Service Manual
Ver. 1.05
27
CONFI DENTIAL
10-15. Computer board
T-K3 Part #
#701
Takagi Part #
EKK1L
C heckpo int
N/A
Function
F ailure event
Effects on the T-K3
if the computer
board fails.
Error codes when
the computer board
fails.
D iagnostic
Color/Number of
wires
Controls the functions of most of the parts in the T-K3.
Malfunctioning computer
-A component(s) may not operate within the T-K3. In most cases of computer
board failure, the whole T-K3 does not operate at all.
-Error codes disp lay.
N/A
Visual inspection: connection/breakage of wires and/or burn marks on the
com
p
uter board.
701 721 741 991
761 (during multi-unit operation)
6-1/ 2" (165 .05mm )
5-3/8" (138mm)
1-3/8" (35mm)

Takagi T-K3 Specifications

General

Type	Tankless
Installation Type	Indoor
Maximum BTU Input	199, 000 BTU/h
Gas Connection Size	3/4"
Vent Size	3"
Hot Water Flow Rate (at 35°C rise)	6.6 GPM
Maximum Input	199, 000 BTU/h