S+S Regeltechnik HYGRASREG RH-30 Operating Instructions, Mounting & Installation page 6

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HYGRASREG RH - 30
Electronic room hygrostats and humidity sensors HYGRASREG
thresholds, optional with or without display indicating the actual humidity, accuracy class ± 3 % r. H. They are used to control and monitor
the relative humidity, e.g. in venti lation and air conditioning ducts, laboratories, production facilities, climatic test cabinets, indoor swimming pools,
greenhouses, etc. to control humidifying and dehumidifying equipment. These measuring transducers are designed for exact humidity measurement.
HYGRASREG ® RH-30 uses a digital long-term stable sensor as measuring element for humidity measurement. Applications in dust-free,
pollutant-free, non-aggressive air.
TECHNICAL DATA:
Power supply: ........................ 24 V AC ⁄ DC (optional 230 V AC via external power supply unit)
Power consumption: ................ < 2 VA ⁄ 24 V DC
Setting range: ....................... 5 ... 95 % r. H. (switch steps 1 and 2 are separately adjustable)
Operating difference: ............... Mode 1: both switch steps are arbitrary adjustable
Output: ................................. potential-free changeover contacts (2 x changeover contact 24 V,
Sensors: ............................... digital humidity sensor
Deviation, humidity: ................. ± 3 % r. H. (20...90 %); at + 20 °C, otherwise ± 5 % r. H.
Long-term stability:................. ± 1 % per year
Hysteresis: ............................ max. 3 % r. H.
Enclosure: ............................. plastic, material ABS,
Enclosure dimensions: ............. 98 x 106 x 34 mm (Frija II)
Installation: ........................... wall mounting or on in-wall flush box, Ø 55 mm, base with 4-hole for mounting on vertically or
Protection class: .................... III (according to EN 60 730)
Protection type: ..................... IP 20 (according to EN 60 529)
Electrical connection: ............. 0.14 - 2.5 mm
Standards: ............................ CE conformity, EMC directive 2004 ⁄ 108 ⁄ EC
Optional: ............................... Single-line display, shifting, 36 x15 mm (W x H), for displaying ACTUAL humidity respectively
FUNCTION:
Humidifying: .............................. 1
Dehumidifying: .......................... 1
Type ⁄ WG2 Setting Range
Humidity
RH - 30
R H - 3 0 W 5 ... 95 % r. H.
R H - 3 0 W_ DI S P L AY 5 ... 95 % r. H.
RH - 30 - U
R H - 3 0 W U 5 ... 95 % r. H.
®
Mode 2: 5 % between both switch steps
separately adjustable, 1x 0 - 10 V ^ = 0 - 100 % r. H.)
colour pure white (similar RAL 9010)
horizontally installed in-wall flush boxes for cable entry from the back, with predetermined breaking point
for on - wall cable entry from top ⁄ bottom in case of plain on - wall installation
2
, via terminal screws
for humidity setpoint adjustment
st step: wire contacts 4 - 5.
When actual humidity falls more than 3 % r. H. (hysteresis)
below switching threshold S1, changeover contact switches to 4 - 5.
nd
2 step: wire contacts 7 - 8.
When actual humidity falls more than 3 % r. H. (hysteresis)
below switching threshold S 2, changeover contact switches to 7 - 8.
Terminal 2: 1x 0 - 10 V equivalent to 0...100 % r. H.
st step: wire contacts 5 - 6.
When actual humidity exceeds switching threshold S 1,
changeover contact switches to 5 - 6.
2 nd step: wire contacts 8 - 9.
When actual humidity exceeds switching threshold S 2,
changeover contact switches to 8 - 9. Terminal 2: 1x 0 - 10 V ^ = 0 - 100 % r. H.
Output
2 x Changeover contact, 1x 0 -10 V
2 x Changeover contact, 1x 0 -10 V
2 x Changeover contact, 1x 0 -10 V
RH-30 with one continuous and two switching outputs, adjustable switching
Steps
two-step
two-step
two-step
Display Item No.
External setting
1202-3046- 1011- 000
■ 1202-3046-1111- 000
Internal setting
1202-3046- 1021- 000