Takagi T-K3 User Manual

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CONTENTS
*40 psi or above is recommended for maximum flow
NOTE
*Check the rating plate to ensure this product
matches your specifications.
*In accordance with ANSI Z21.10.3 and
SCAQMD Rule 1146.2, CO emission does not
exceed 400 PPM for normal input
SPECIFICATIONS
T-K3 and T-K3-Pro
Natural Gas Input
(Operating Range)
Min: 11,000 Btu/h
Max: 199,000 Btu/h
LPG Input
(Operating Range)
Min: 11,000 Btu/h
Max: 199,000 Btu/h
Gas Connection ¾” NTP
Water Connections
¾” NTP
Water Pressure 15 - 150 psi*
Natural Gas Pressure
Inlet
Min. 5.0” WC
Max. 10.5” WC
LP Gas
Pressure Inlet
Min. 8.0” WC
Max. 14.0” WC
Manifold Pressure Natural: 2.5” WC
Propane: 4.4” WC
Weight 40 lbs.
Dimensions
H20.5” x W13.8” x D8.5”
Ignition Electric Ignition
Supply 120VAC (60Hz)
Operation
92 W
(0.77A)
Standby
6.2 W
(0.05A)
Electric
Consumption
Freeze-
Protection
111 W
(0.93A)
SPECIFICATIONS……………………...
INTRODUCTION…………………….…
SAFETY GUIDELINES…………….…..
INSTALLATION……………………..….
General…………………………….…
Included Accessories……………….
Outdoor Installation………………….
Indoor Installation…………………....
Direct Intake Vent System………….
Venting Instructions………………....
Gas Supply / Gas Pipe Sizing…...…
Water Connections……………..……
Pressure Relief Valve…………….…
Electrical Connections……………....
Remote Controller Connection…..…
Easy Link System………..………..…
Pump Connection………………..…..
Initial Operation………………………
NORMAL OPERATION…………..……
Normal Operation…………………...
Flow………………………………...…
Freeze Protection System …………
Temperature Settings ………………
Maintenance and Service…………..
GENERAL TROUBLESHOOTING……
WIRING DIAGRAM…………………….
OPERATING SAFETY…………………
APPLICATIONS...………………………
Space Heating……….………………
Re-Circulation………….…………….
Dual-Purpose Heating………………
OPTIONAL ITEMS……………………..
COMPONENTS DIAGRAM……………
PARTS LIST…………………………….
OUTPUT TEMPERATURE CHART….
WARRANTY………….………………....
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Takagi reserves the right to discontinue, or change at any time, specifications
or designs without notice and without incurring obligations.

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