Thermostats Crestron
CHV-TSTAT and CHV-THSTAT
Slot 3 – Slab Control (continued)
SIGNAL I/O
SIGNAL
TYPE
DEFINITION
MaxSlabTemp Output
Analog
Reports the maximum slab temperature value. The
scale (Fahrenheit or Celsius) is based on the current
setting in the unit.
Values range from 390 to 1220 (39° to 122°F); or 44 to
500 (4° to 50°C).
This value is always at least one degree higher than the
slab setpoint, but is disabled in floor-warming system
types (Slab1, 5A/5B).
Slot 4 Detail View – Current System State
Slot 4 – Current System State
SIGNAL I/O
SIGNAL
TYPE
DEFINITION
Heat1Call Output
Digital
Goes high when the system calls for heat or stage 1 heat.
Remains high for as long as the heat system is running.
High/1 = Heat/Stage 1 heat running; Low/0 = System not
running
Heat2Call
Output
Digital
Goes high when the system calls for stage 2 heat. Remains
high for as long as the heat system is running.
High/1 = Stage 2 heat running; Low/0 = System not running
AuxHeatCall Output
Digital Goes high when the system calls for auxiliary heat. Remains
high for as long as the emergency heat system is running.
High/1 = Aux heat running; Low/0 = System not running
Cool1Call
Output
Digital
Goes high when the system calls for cool or stage 1 cool.
Remains high for as long as the cool system is running.
High/1 = Cool/Stage 1 cool running; Low/0 = System not
running
Continued on the following page
70
•
Thermostats: CHV-TSTAT and CHV-THSTAT
Operations and Installation Guide – DOC. 8163C