User Guide

12 Page
WARNING
DO NOT adjust any DIPswitches on the upper bank for the 510 (T-D2)
model.
NOTE: The dark squares indicate the direction the DIPswitches should be set to.
Installaon
Installaon Manual
110 (T-KJr2) and 310 (T-K4) models
Altitude
0 to 2,000 ft.
(DEFAULT)
2,000 to 4,000 ft. 4,000 to 6,000 ft.
Switch No. 3 OFF ON OFF
Switch No. 4 OFF OFF ON
ON
87654321
ON
87654321
ON
87654321
510 (T-D2) model (Left bank of dipswitches)
Altitude
0 to 2,000 ft.
(DEFAULT)
2,000 to 4,000 ft. 4,000 to 6,000 ft.
Switch No. 4 OFF ON OFF
Switch No. 5 OFF OFF ON
ON
654321
ON
654321
ON
654321
110 (T-KJr2) and 310 (T-K4) models
Computer board
DIPswitches
510 (T-D2) model
Computer board
DIPswitches(Lebank)
Installation altitude
The maximum certified or allowable installed altitude is 6,000 ft. for indoor
and outdoor models.
Check the elevation where your water heater is installed. Set DIPswitches shown in the table
below depending on the altitude.
HIGH-ALTITUDE INSTALLATIONS