22HH-50 BELIMO | Alldatasheet
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Technical content
Technical data sheet 22HH-50 www.belimo.com 22HH-50 • en-us • 2019-08-20 • Subject to change 1 / 3 Condensation Sensor For detection of condensation on chilled surfaces (e.g. chilled beams). With signal LED and relay contact for connection to controller and display systems or for series connection with the cooling valve to interrupt the cold water flow directly when condensation begins. NEMA 4X / IP65 rated enclosure. Type Overview Type Output signal condensation detector switch Additional
features
22HH-50 changeover Internal sensor Technical Data Electrical Data Power supply DC 15...24 V, ±10%, 0.8 W Power supply AC 24 V, , ±10%, 1.6 VA Electrical connection Removable spring loaded terminal block max. 2.5 mm² Cable entry Cable gland with strain relief Ø6...8 mm (1/2" NPT conduit adapter included) Functional Data Output signal switch note changeover contact, isolated max. switching current 1 A @ 24 V min. switching current 5 mA @ 10 V Display LED, green - power supply ok red - dew permeation Application water Measuring Data Measuring values condensation Materials Cable gland PA6, black Housing cover: lexan, orange base: lexan, orange seal: 0467 NBR70, black UV resistant Safety Data Ambient humidity max. 95% r.H., non-condensing Protection class IEC/EN III safety extra-low voltage (selv) Protection class UL UL Class 2 Supply EU Conformity CE Marking Certification IEC/EN IEC/EN 60730-1 Certification UL cULus acc. to UL60730-1A/-2-9/-2-13, CAN/ CSA E60730-1:02/-2-9 Degree of protection IEC/EN IP65 Quality Standard ISO 9001
Technical data sheet 22HH-50 www.belimo.com 22HH-50 • en-us • 2019-08-20 • Subject to change 2 / 3 Safety Notes This device has been designed for use in stationary heating, ventilation and air-conditioning systems and must not be used outside the specified field of application. Unauthorised modifications are prohibited. The product must not be used in relation with any equipment that in case of a failure may threaten humans, animals or assets. Ensure all power is disconnected before installing. Do not connect to live/operating equipment. Only authorised specialists may carry out installation. All applicable legal or institutional installation regulations must be complied during installation. The device contains electrical and electronic components and must not be disposed of as household refuse. All locally valid regulations and requirements must be observed. Remarks Sensing devices with a transducer should always be operated in the middle of the measuring range to avoid deviations at the measuring end points. The ambient temperature of the transducer electronics should be kept constant. The transducers must be operated at a constant supply voltage (±0.2 V). When switching the supply voltage on/off, onsite power surges must be avoided. Scope of delivery Scope of delivery Description Type Syringe with thermal paste A-22P-A44 Cable tie 1/2" NPT conduit adapter Wiring Diagram ① LED red: dew permeation ② Sensitivity adjustment - less sensible + more sensible ③ LED green: power supply OK General Remarks Concerning Sensors
Technical data sheet 22HH-50 www.belimo.com 22HH-50 • en-us • 2019-08-20 • Subject to change 3 / 3 Dimensions Dimensions Type Weight 22HH-50 0.26 lb [0.12 kg]