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34 VAV-PRC003-EN
Electrical Data
and Connections
Digital Sensor
Terminal Connection Chart
Sensor
UCM
Field Wire
Color Code
TB1–1 TB1–1
TB2–1
TB1–2
TB2–6
TB2–2
TB2–5
TB3–1
TB3–3
TB3–1
TB2–3
TB3–2
TB1–2
TB3–2
Digital Sensor
Board
TB1–1
TB3–1
TB2–1
GND
24V
–2–2
–2
–2
–2
Temperature
Signal Common
Setpoint
Communications
+ (High)
Communications
– (Low)
1
Optional
Field Mounted
Aux. Temp. Sensor
J11
ACT
ADDRESS
SWITCH
D.D.C.\U.C.M.
CONTROL BOARD
J8
J7
J9
J10
TB1–1
TB1–2
TB4–1
PRESS
TB2–1
TB2–2
TB2–3
TB2–4
TB2–5
TB2–6
TB3–6
TB3–5
TB3–3
TB3–2
TB3–1
1
J3
S
GNDA/CO2SET
GNDZONE
GRNYEL
J1
GNDBIP
–+–+
–
+
1
24V
Figure 38. DDC zone sensor with LCD
Figure 39. DDC zone sensor wiring
J11
ACT
ADDRESS
SWITCH
D.D.C.\U.C.M.
CONTROL BOARD
J8
J7
J9
J10
TB1–1
TB1–2
TB4–1
PRESS
TB2–1
TB2–2
TB2–3
TB2–4
TB2–5
TB2–6
TB3–6
TB3–5
TB3–3
TB3–2
TB3–1
1
J3
S
GNDA/CO2SET
GNDZONE
GRNYEL
J1
GNDBIP
–+–+
–+
1
24V
Optional
Field Mounted
Aux. Temp. Sensor
1
2
Mechanical Sensor
Terminal Connection Chart
Sensor
UCM
Field Wire
Color Code
TB1–1 TB3–1
TB1–4
TB3–2
TB1–5
TB2–5
TB2–6
TB1–2
1
2
Figure Notes:
Shield must be spliced with other
communication link shields
Shield must be cut back and taped
at sensor.
Temperature
Signal Common
Setpoint
Communications (Optional)
+ (High)
Communications (Optional)
– (Low)
TB1–1
–4
–3
–2
–5
Communications
Jack
Adjustable
Setpoint Option
Night Setback
Override Option
Comm 1
Cooler
Warmer
Sensor
ON
PB1