nVent.com
|
121
Raychem-AR-H58692-ACS30UIT2Programming-EN-1805
3.9.3.
TEMP CONTROL – SURFACE TEMPERATURE CONTROL
Fig. 3.108
Roof & Gutter Surface Temperature Control Window
The Surface Temperature window allows you to control your Snow Melting application using
surface temperature. Tap Surface Temp.
Fig. 3.109
Setup|Snow Melting - Surface Temp Control Window
Setpoint: Enter the setpoint temperature for surface temperature control
Range:
30°F (-1°C)–50°F (10°C)
Default:
40ºF (4°C)
Deadband:
If the measured temperature is above the setpoint temperature plus deadband, the
relay output is turned off. If the control temperature is below the setpoint temperature, the output is
turned on.
Range:
1°F (1°C)–10°F (6°C)
Default:
5ºF (3°C)
High Temperature Override:
The high temperature override will override the control temperature
when multiple RTD inputs are assigned to a circuit.
Range:
40°F (4°C)–90°F (32°C)
Default:
55ºF (13°C)