Product Overview

TC500A-N COMMERCIAL THERMOSTAT
5 31-00398M-01 | Rev. 10-20
DIMENSIONS
Universal
Inputs
UI1
(2 terminals)
UI1 NA Occupancy Sensor,
Dirty Filter,
Proof of Airflow,
Shutdown,
Mixed Air Sensor,
Outdoor Air Sensor,
Discharge Air Sensor,
CO2 Sensor,
Proof of Waterflow, and
Space Temp Sensor.
UI2
(2 terminals)
UI2 NA
Universal
Inputs/
Outputs
UIO1
(2 terminals)
UIO1 NA Multi-Speed Fan (UIO1)
UIO2
(2 terminals)
UIO2 NA Modulating Heat (UIO2)
Power
R R 24v Power
C C Common
RC RC 24v Power / Cooling
Sylk Bus
1
S-Bus Sylk connection
2
BACnet
MS/TP
1
MS/TP BACnet MS/TP
2
Table 9. Terminal Assignments
Type Terminal Label
Terminal Assignments
(Default & Optional Assignments)
DEFAULT INPUTS OUTPUTS
3 -19/32 ” (91.2 mm)
4 - 15/32”
(113.7 mm)
4 x 11/32”
(9mm)
2 - 3/8”
(60.3mm)
3 - 1/4”
(82.75mm)
4 x 3/16”
(4.5mm)