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Wiring Inputs and Outputs
4
RTU-MP Controller
RTU-MP Inputs and Outputs Table
Point Name
BACnet
Object
Name
Type of I/O
Connection Pin
Numbers
Space Temperature Sensor
Inputs
sptsens
AI (10K Thermistor)
J20 - 1, 2
Supply Air Temperature
sat
AI (10K Thermistor)
J2 - 1, 2
Local Outside Air Temperature Sensor
oatsens
AI (10K Thermistor)
J2 - 3, 4
Space Temperature Offset Pot
sptopot
AI (100K Potentiometer)
J2 - 3, 4
Indoor Air Quality
iaq
AI (4 - 20 ma)
J4 - 2, 3
Outdoor Air Quality
oaq
AI (4 - 20 ma)
J4 - 5, 6
Safety Chain Feedback
safety
DI (24 VAC)
J1 - 9
Compressor Safety
compstat
DI (24 VAC)
J1 - 2
Fire Shutdown
firedown
DI (24 VAC)
J1 - 10
Enthalpy Switch
enthalpy
DI (24 VAC)
J2 - 6, 7
Humidistat Input Status
humstat
DI (24 VAC)
J5 - 7, 8
Space Relative Humidity
Configurable Inputs
sprh
AI (4-20 ma)
J4 - 2,3 or J4 - 5,6
Outside Air Relative Humidity
oarh
AI (4-20 ma)
J4 - 2,3 or J4 - 5,6
Supply Fan Status
fanstat
DI (24 VAC)
J5 - 1,2 or J5 - 3,4 or J5 5,6
or J5 - 7,8
Filter Status
filstat
DI (24 VAC)
J5 - 1,2 or J5 - 3,4 or J5 5,6
or J5 - 7,8
Remote Occupancy Input
remocc
DI (24 VAC)
J5 - 1,2 or J5 - 3,4 or J5 5,6
or J5 - 7,8
Economizer Commanded
Outputs
Position
econocmd
4-20ma
J2 - 5
Supply Fan Relay State
sf
DO Relay (24VAC , 1A)
J1 - 4
Compressor 1 Relay State
comp_1
DO Relay (24VAC , 1A)
J1 - 8
Compressor 2 Relay State
comp_2
DO Relay (24VAC , 1A)
J1 - 7
Heat Stage 1 Relay State
heat_1
DO Relay (24VAC , 1A)
J1 - 6
Heat Stage 2 Relay State
heat_2
DO Relay (24VAC , 1A)
J1 - 5
Power Exhaust Relay State
aux_2
DO Relay (24VAC , 1A)
J1 - 3
Dehumidification Relay State
humizer
DO Relay (24VAC , 1A)
J1 - 7, 8
Legend
AI
- Analog Input
AO
- Analog Output
DI
- Digital Input
DO
*These inputs (if installed) take the place of the default input on the specific channel according to schematic. Parallel pins J5
- 1 = J2 - 6, J5 - 3 = J1 - 10, J5 - 5 = J1 - 2 are used for field installation.
- Digital Output
Refer to the input configuration and accessory sections, unit Controls Operation, and Troubleshooting Instructions.
Wiring Inputs and Outputs
Summary of Contents for RTU-MP
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