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DEVIreg™ 850 ground and roof sensors

Installation and user manual

16

Warranty

A 2-year product warranty is valid for:

•  DEVIreg™ 850 ground and roof sensors.

Should you, against all expectations, experience a 

problem with your DEVI product, you will find that 

Danfoss offers DEVIwarranty valid from the 

date of 

purchase

 on the following conditions: During the 

warranty period Danfoss shall offer a new compa-

rable product or repair the product if the product 

is found to be faulty by reason of defective design, 

materials or workmanship. The repair or replacement.

The decision to either repair or replace will be solely 

at the discretion of Danfoss. Danfoss shall not be 

liable for any consequential or incidental damages 

including, but not limited to, damages to property or 

extra utility expenses. No extension of the warranty 

period following repairs undertaken is granted.

The warranty shall be valid only if the WARRANTY 

CERTIFICATE is completed correctly and in accord-

ance with the instructions, the fault is submitted to 

the installer or the seller without undue delay and 

proof of purchase is provided. Please note that the  

WARRANTY CERTIFICATE must be filled in, stamped 

and signed by the authorized installer performing 

the installation (Installation date must be indicated). 

After the installation is performed, store and keep the 

WARRANTY CERTIFICATE and purchase documents 

(invoice, receipt or similar) during the whole warranty 

period.

DEVIwarranty shall not cover any damage caused by 

incorrect conditions of use, incorrect installation or if 

installation has been carried out by non-authorized 

electricians. All work will be invoiced in full if Danfoss 

is required to inspect or repair faults that have arisen 

as a result of any of the above. The DEVIwarranty shall 

not extend to products which have not been paid 

in full. Danfoss will, at all times, provide a rapid and 

effective response to all complaints and inquiries 

from our customers.

The warranty explicitly excludes all claims exceeding 

the above conditions.

For full warranty text visit 

www .devi .com .

devi .danfoss .com/en/warranty/

WARRANTY CERTIFICATE

The DEVIwarranty is granted to:

Address

Stamp

Purchase date

Serial number of the product

Product

Art. No.

*Connected output [W]

Installation Date 

& Signature 

Connection Date 

& Signature

*Not mandatory

Summary of Contents for DEVIreg 850

Page 1: ...www DEVI com Installation and user manual DEVIreg 850 ground and roof sensors EN...

Page 2: ...Placing the following ground sensors in a zone 6 2 1 3 Example with ground sensors 7 2 1 4 Extending the ground sensor cable 7 2 2 Installing ground sensors 8 2 3 Placing roof sensors 10 2 3 1 Placin...

Page 3: ...m by looking at the fig below S N E W 3 4 2 1 1 Walkways and parking areas 2 Steps and stairs 3 Roofs and roof edges 4 Gutters and down pipes For ground areas like 1 and 2 you have one or more ground...

Page 4: ...a roof and a ground area Dual zones e g if steps should have a better performance than a walkway If the power supply is limited both combi and dual zones gives you the possibility to prioritize which...

Page 5: ...measures the ground temperature and other sensors measure the moisture whereas a single sensor must switch between temperature and moisture measurements Now decide how the ice and snow melting system...

Page 6: ...dirt leaves and pebbles 2 1 1 Placing the first ground sensor in a zone Find one who knows the area and make him describe the area function and weather conditions The first ground sensor in a zone mu...

Page 7: ...system Sensor no 3 is relevant if more detection safety is required as additional to sensor no 1 Can be prepared for later installation 2 1 4 Extending the ground sensor cable The ground sensor consi...

Page 8: ...e g a concrete plate or similar in order to ensure that the sensor is not pushed into the ground if e g a lorry runs over it The tube is designed to be mounted on a plate using the two screw holes ins...

Page 9: ...p before the concrete is poured or the bricks are laid Make sure that air gaps are filled with cement f Coil approx 0 5 m of the sensor cable inside the tube If the sensor cable needs extension see se...

Page 10: ...shade or oriented to the north west b In the main gutter close to the main down pipe If you have a dual zone system the first sensor for the other zone must be placed by following the same steps abov...

Page 11: ...n a dual zone system Sensor no 3 is relevant if a higher detection safety is required It could both be placed near another down pipe or in the gutter valley Thus it can be an additional sensor to both...

Page 12: ...actual construction work and connected at a later date The following applies for all types of installations min 1 cm a The sensor must be placed between or next to the heating cables with a distance o...

Page 13: ...f Max 13W Max 8W IP class IP 67 Ambient temperature Ground Roof 30 C to 70 C 50 C to 70 C Sensor type Devibus connected moisture sensor s Sensor lead 15 m of 4x1 mm2 may be extended in accordance with...

Page 14: ...nsors 1 or 2 3 4 Cable type 1 mm2 1 5 mm2 2 5 mm2 4 mm2 Max length m 300 450 750 1200 Max length m 150 225 380 600 Max length m 80 120 200 310 Roof system Number of sensors 1 2 3 4 Cable type 1 mm2 1...

Page 15: ...ble extensions from separate zones 1 2 3 4 5 6 7 8 II III Zone A sensor I sensor II Zone B sensor III Red Black White White Red Black White White Red Black White White Note each new colour of the 4 wi...

Page 16: ...without undue delay and proof of purchase is provided Please note that the WARRANTY CERTIFICATE must be filled in stamped and signed by the authorized installer performing the installation Installatio...

Page 17: ...DEVIreg 850 ground and roof sensors Installation and user manual 17...

Page 18: ...DEVIreg 850 ground and roof sensors Installation and user manual 18...

Page 19: ...DEVIreg 850 ground and roof sensors Installation and user manual 19...

Page 20: ...DEVIreg 850 ground and roof sensors 08095360 AQ000086456385en 010202 Produced by Danfoss 06 2023 Danfoss A S Nordborgvej 81 6430 Nordborg Syddanmark Denmark...

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