User Guide

4 Page
Model
110
Indoor
(T-KJr2-IN)
110
Outdoor
(T-KJr2-OS)
310
Indoor
(T-K4-IN)
310
Outdoor
(T-K4-OS)
510
Indoor
(T-D2-IN)
510
Outdoor
(T-D2-OS)
Natural Gas Input
(Operating Range)
BTU/h
Min.: 19,500
Max.: 140,000
Min.: 11,000
Max.: 190,000
Min.: 11,000
Max.: 199,000
Propane Gas Input
(Operating Range)
BTU/h
Min.: 19,500
Max.: 140,000
Min.: 11,000
Max.: 190,000
Min.: 11,000
Max.: 199,000
Gas Connection 3/4" NPT
Water Connections 3/4" NPT
Water Pressure* psi 15 - 150*
Natural gas
Inlet Pressure
" W.C.
Min. 5.0
Max. 10.5
Propane gas
Inlet Pressure
" W.C.
Min. 8.0
Max. 14.0
Manifold
Pressure**
Natural
" W.C. 2.0 2.5 2.0 2.5 2.0 2.5
Propane
" W.C. 2.5 3.1 3.7 4.0 3.7 4.5
Weight lbs. 33 38 39
Dimensions inch
H 20.5 x W 13.8 x D 6.7 H 20.5 x W 13.8 x D 8.5
Ignition Electric Ignition
Electric
Supply VAC / Hz 120 / 60
Consumption
Operation W / A 73.1 / 0.61 87.6 / 0.73 89.8 / 0.75
Standby W / A 6.2 / 0.05 6.2 / 0.05 6.2 / 0.05
Freeze-
Protection
W / A 111 / 0.93 111 / 0.93 111 / 0.93
SPECIFICATIONS
*The maximum flow may need water pressure equal to or above 40 psi.
** The Manifold Pressure is the factory setting and generally should not need adjustment.
NOTE:
• Checktheratingplatetoensurethisproductmatchesyourspecifications.
• InaccordancewithANSIZ21.10.3,COemissiondoesnotexceed400PPMfornormalinput.
• The manufacturer reserves the right to discontinue, or change at any time, specifications or designs
without notice and without incurring obligations.
Specicaons
Installaon Manual