ABB TX series - Switch set for Liquid Flow; Switch set for Level or Air Flow

8 TX Thermal Disperson Level Switches | Operating instruction manual
Default Setting
Switch set for Liquid Flow (Fail Safe Low Flow)
JP 3: Relay setting as shown for State A
Energizes when above ow set-point of R18
Two Jumpers x 2mm
LEVEL OR AIR FLOW
Switch set for Level or Air Flow (Fail Safe) High Level or High
Flow
JP3: Relay set for State B
Energizes when dry or below ow set-point above setting
of R18
Two Jumpers x 2mm
Switch set for Temperature: uses only the reference sensor
(STS or RTD)
JP3: Set for State A or B (as shown)
To energize below or above setting of R18
State A: Energize when temperature is below set-point
State B: Energize when temperature is above set-point
4.0 CONFIGURATION (cont’d)