Takagi T-K3 Service Manual

T-K3 Service Manual
Ver. 1.05
3
CONFI DENTIAL
1. Specifications of the T-K3, T-K3-OS, and T-K3-SP
Model T-K3 T-K3-OS T-K3-SP
Dimensions H20.5" ×W13.8"×D8.5" H20.5" ×W13.8"×D8.5" H20.5" ×W13.8"×D8.5"
Weight 40lbs.
Max 199,000 190,000
INPUT
BTU/h
Min 11,000
Combustion
System
Pow er vent
Ins tal latio n
Indoor, Outdoor,
& Direct-vent
Outdoor Indoor & Outdoor
Fan motor PWM turbo f an PWM fan PWM turbo f an
Max
LP 4.4” WC
Natural 2.5” W.C
LP 3.1” WC
Natural 2.8” W.C
LP 4.1” WC
Natural 2.4” WC
Combustion
Man if old
Pressure
Min
LP 0.7” WC
Natural 0.4” WC
LP 0.8” WC
Natural 0.4” WC
LP 0.8” WC
Natural 0.4” WC
Flow rate 0.5 GPM to 7.0 GPM
Available set
temperatures
99ºF ~ 185ºF
default: 122ºF
99ºF ~ 167ºF
Default: 122ºF
Temperature
dipsw itch settings
104ºF, 113ºF, 122ºF,
131ºF, 140ºF, 158ºF,
176ºF, 185ºF
113ºF, 122ºF, 140ºF, 167ºF
Bypass valve Yes N / A
Water control
Thermisters
3 thermisters
(In,Out,Mixing)
2 thermisters (In,Out)
Remote controller
mod el
TM-RE10
TM-RE30
TK- RE02
PCB model T-K3 T-K3 OS/SP
Ind ic ator s
“Burning” LED &
7-SEG LED
“Burning” LED
Operation
Pow er supply
control
GFI ( Including surge
absorber)
Surge absorber & Pow er sw itch
Freeze protection
Ceramic heaters and
Auto-firing system
Ceramic heaters
Self-combustion
improvement
Air-Fuel Ratio Det ection System
Features
Easy-Link system Yes N / A

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