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System 27 NOVA is a family of modular electronic modules designed for a wide variety of control configurations in refrigeration, heating, ventilation, air-conditioning and other related fields ....
System 27 NOVA is a family of modular electronic modules designed for a wide variety of control configurations in refrigeration, heating, ventilation, air-conditioning and other related fields.
Product selection table
One Stage Humidistat
| Model | Power supply |
Setpoint range |
Additional |
| W27N11 | 24VAC / VDC | 10… 100% Rh | * mode: field adjustable * differential: 2 ... 10% Rh * SPDT contact 10 (5) A 250 VAC * setpoint shift: 0… 20% Rh |
| W27N21 | 230VAC |
Two Stage Humidistat
| Model | Power supply |
Setpoint range |
Additional features |
| W27N12 | 24VAC / VDC | 10… 100% Rh | * mode: field adjustable * differential: 2 ... 10% Rh * 2 x SPDT contact 10 (5) A 250 VAC * setpoint shift: 0… 20% Rh |
| W27N22 | 230VAC |
Humidity Display Modules
| Model | Power supply |
Additional features |
| D27W1N4 | 24VAC | * can be used as stand alone or in conjunction with a humidity control module * display range: 0… 100% Rh |
| D27W2N4 | 230VAC |
Y27M Signal Converter
| Model | Power supply |
Setpoint range |
Team range |
| Y27M1 | 24VAC | 0… 10V | 0… 10V |
| Y27M2 | 230VAC | 0… 10V | 0… 10V |
Accessories
| Model | Description |
| WRE027N600 | quick connector for connecting modules |
Typical applications are:
- computer rooms
- clean rooms
- fruit storage / ripening
- food processing
- industrial processes
The humidity control modules can be used as a stand alone device or in conjunction with other modules such as display modules, signal converter modules etc. to achieve a wide variety of single or multiple stage applications.
The modular concept was specially designed to make control configuration easier and still offer the flexibility necessary to answer the many individual control requirements encountered today.
Parameter
Value
Output relay rating
SPDT 10 (5) A 250 VAC 10 A 30 VDC
operating ambient temperature
-10 to +50 ° C
Storage temperature
-40 to +70 ° C
Operating (storage) Rh
10 to 90% Rh (non condensing)
terminals
screw type max. wire thickness 2,5 mm2
Power supply
230 VAC + 10% / -15%; 50/60 Hz
24 VAC / DC + 10% / -15%; 50/60 Hz
24 VAC / DC + 10% / -15%; 50/60 Hz
