Neptronic HRO20 Specification And Installation Instructions

Model
HRO20
Description
The Humidity Controller is a combination controller and
humidistat. The Humidity Controller is an advanced application
to control relative humidity for general purpose applications.
They are specially designed to control humidifiers and
dehumidification equipment.
Features
Outputs & Inputs
• 4 analog outputs (0-10 Vdc or 2-10 Vdc)
• 2 dry contact outputs
• External humidity sensor input
• Window or external temperature sensor input
• Alarm status input
Operation & Display
• Wall mounted controller
• Adjustable setpoint with auto reset from external sensor
• Multi level lockable access menu
• Lockable setpoint and control mode
• Backlit LCD with simple icon and text driven menus
• Selectable Celsius or Fahrenheit scale
• Humidification and dehumidification indicator
Technical Specifications
Description
Outputs
Inputs
Power supply
Power consumption
Setpoint range
Sensor precision
Proportional band
Electrical connection
Operating condition
Storage condition
Temperature compensation reset
Housing degree of protection
Weight
HRO20-141202-ETL
- Actual humidity (0-100% RH), 0-10 Vdc/2-10 Vdc
- Humidity setpoint (0-100% RH), 0-10 Vdc/2-10 Vdc
- Humidification proportional control signal, 0-10 Vdc/2-10 Vdc
- Dehumidification proportional control signal, 0-10 Vdc/2-10 Vdc
- Humidification dry contracts 24 Vac, 1 A max, 3 A in-rush
- Dehumidification dry contracts 24 Vac, 1 A max, 3 A in-rush
- Window temperature sensor or outside temperature sensor (10 K Ω)
- External setpoint from Neptronic humidifier, external humidity sensor (0-10 Vdc/2-10 Vdc) or
high limit (0-10 Vdc/2-10 Vdc)
- 1 alarm status digital input (24 Vac or dry contact)
22 to 26 Vac 50/60 Hz or 28 to 32 Vdc
1 VA
10%-90% RH (in 1% increments)
± 3% or better at 40% RH and 23ºC [73ºF]
2%-10% for control signal
2
0.8 mm [18 AWG] minimum
0ºC to 40ºC [32ºF to 104ºF], 0-95% RH
-10ºC to 50ºC [14ºF to 122ºF], 0-95% RH
Automatic readjustment of setpoint from a window temperature sensor (SHW0-11),
or external temperature sensor (STC8-11)
IP 30 (EN 60529)
130 g. [0.3 lb]
Humidity Controller
Specification and Installation Instructions
HRO20
HRO20
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