Installation (cont.), Installation guide air quality tw series, Current output (2-wire, 4-20 ma) – Veris Industries TW SERIES Install User Manual
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Installation Guide
Air Quality
TW Series
TM
5. Mount the backplate onto the wall using the screws provided.
Five screwholes available; use a
minimum of two for secure mounting.
6. Wire the backplate.
Current Output (2-Wire, 4-20 mA)
POWER SUPPLY
12-30 VDC
CONTROL SYSTEM
COMMON
T RETURN
RTD/THERMISTOR OVERRIDE
SETPOINT SLIDER
PWR (4-20 SEND
)
T OUT (4-20 R
TN)
RTD/THERMIST
OR O
VERRIDE
RTD/THERMIST
OR O
VERRIDE
SLIDER RIGHT
SLIDER LEFT
SLIDER WIPER
+
-
-
Voltage Output (3-Wire, 0-5/0-10 V)
POWER SUPPLY
12-30 VDC/24 VAC
CONTROL SYSTEM
COMMON
T INPUT 0-10 V
RTD/THERMISTOR/OVERRIDE
SETPOINT SLIDER
PWR COMMON
T OUT
RTD/THERMIST
OR/O
VERRIDE
RTD/THERMIST
OR/O
VERRIDE
SLIDER RIGHT
SLIDER LEFT
SLIDER WIPER
+
-
-
7. Install the sensor onto the backplate and use the switch to select voltage or current output. Output selection must be correct
before applying power to the sensor.
VOLTS
OUTPUT SELECT
mA
10V 5V
50-95(F)
10-35(C)
32-122(F)
0-50(C)
0C
0F
T OUT
T RANGE
T SCALE
8. When the installation is complete, replace the cover and snap it into position.
Installation
(cont.)