Wiring Inputs And Outputs - United Technologies Carrier Unit Vent Open Integration Manual

Wiring inputs and outputs

Wiring inputs and outputs
I/O Type
Zone Temp/ AI
Zone Temp*
AI
RAT or CO
2
Sensor
SAT Sensor AI
OAT Sensor AI
Changeover Temp AI
Input Channel #5 BI
Freezestat BI
OA Damper AO
Valve / F&B AO
Cooling Valve AO
Fan High Spd BO
Fan Med Spd BO
Fan G / Low Spd BO
BO-4 BO
BO-5 BO
Legend
AI AO
- Analog Input - Analog Output
BI BO
- Binary Input - Binary Output
NOTE
Connect ZS or SPT sensor to the Rnet port.
* These outputs are configurable.
Unit Ventilator
Integration Guide
I/O Gnd
Terminal Terminal
Rnet Gnd Space Temperature - Prime Variable
IN-1 2 - Gnd Return Air Temperature
Optional IAQ sensor
IN-2 4 - Gnd Supply Air Temperature
IN-3 6 - Gnd Outdoor Air Temperature
IN-4 8 - Gnd Changeover switch
Changeover sensor
IN-5 1 - Gnd Remote Occ Contact
Fan Status
IN-6 1 - Gnd Low Limit Thermostat
AO-1 2 - Gnd Mixed Air Damper
AO-2 4 - Gnd Face & Bypass Damper
Heating Valve
2-Pipe H/C Valve
AO-3 6 - Gnd Cooling Valve
BO-1* 1 - Pwr High Speed Fan
Stage 2 EH
BO-2* 1 - Pwr Medium Speed Fan
Stage 3 EH)
BO-3 1 - Pwr Low Speed Fan
BO-4* 1 - Pwr 2-Pipe/2-Pos Valve (for equip w/F&B)
2-Pos Heating Valve (for equip
w/F&B)
EH stage 1
BO-5* 1 - Pwr 2-Pos Cooling Valve (for equip w/F&B)
DX stage 1
EH stage 1 (w/2-Pipe/Electric Heat)
Point Name/
Function
2
Hardware/ Jumper
Position of
Signal
Pins
Communicating N/A
10K Thermistor IN-1 Top
0-5 Vdc IN-1 Bottom
10K Thermistor IN-2
Top
10K Thermistor N/A
Dry Contact N/A
Thermistor
Dry Contact N/A
Dry Contact N/A
0-10 Vdc N/A
2-10 Vdc
0-10 Vdc N/A
0-10 Vdc N/A
Relay N/A
Relay N/A
Relay N/A
Relay N/A
Relay N/A
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