Thermostat inputs - Johnson Controls - LIT-12011950 - Building automation software - Smart Equipment Controller - 5.0

Smart Equipment Controls Sequence of Operation Technical Bulletin

Brand
Johnson Controls
Product name
Smart Equipment Controller
Document type
Technical Bulletin
Document number
LIT-12011950
Version
5.0
Revision date
2024-06-06
Product status
Active
Language
English

Setpoints and related data

The setpoints and related data include the following item:

  • Thermostat only control enable (Tstat-Only) is set to Yes.
Note: Tstat-Only set to No means all temperature sensor inputs are active and usable, but Tstat inputs still have priority.

Inputs

The inputs include the following items:

  • 24 VAC to limit switch safety terminal LIMIT, LIM2, LIM3
  • 24 VAC to gas valve verification terminal MV, GV2, GV3
  • 24 VAC to high/low pressure switches HPS1 through HPS4 and LPS1 through LPS4
  • Evaporator coil temperature sensor EC1, EC2, EC3, and EC4
  • 24 VAC to thermostat terminals Y1 through Y4
  • 24 VAC to thermostat terminals W1 through W3
  • Operational outdoor air temperature (OprOAT) from the sensor to the OAT terminal or a communicated value

Outputs

The outputs include the following items:

  • 24 VAC from C1, C2, C3, and C4 compressor outputs
  • 24 VAC from CN-Fan and CF2 condenser fan outputs
  • 24 VAC from H1, H2, and H3 heat outputs
  • 24 VAC from FAN