Page 1
Specification and Installation Instructions Model HRC20 Description The HRC20 is a wall mounted humidistat capable of monitoring and controlling relative humidity for applications using a room distribution system. Its primary function is to act as a room sensor for On/Off humidifiers.
Page 2
1 = Common Jumper (JP1) 2 = 24 Vac or Vdc Not Available = Wet Contact (for SKE4) 5 = Contact Terminal 5 6 = Contact Terminal 6 = Dry Contact (for SK300/SKE and SKR) Setpoint Dial www.neptronic.com HRC20-180522-ESA Page | 2...
Page 3
Room Humidistat Specification and Installation Instructions Wiring Diagrams On/Off SKE4 Humidifier Standard Field Wiring SKE4 PCB Control Connections 24 Vac HRC20* Airflow Switch High Limit Humidistat Interlock On/Off Demand Contact Common Common 24 Vac 24 Vac Control Demand (0-10Vdc) Room Humidity (0-10Vdc)
Page 4
Room Humidistat Specification and Installation Instructions On/Off SKR Humidifier - Kit N (North America) Standard Field Wiring SKR-N Printed Circuit Board Dip switches 24 Vdc HRC20* *Ensure that JP1 is set to terminals 2&3: Common 24 Vdc Normally Contact Terminal 5...
Need help?
Do you have a question about the HRC20 and is the answer not in the manual?
Questions and answers