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VIIGB102

Danfoss Heating Solutions

14

Service

Guide

HDU-SF (Horizontal Distribution Units - Single Flat)

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Summary of Contents for HDU-SF

Page 1: ...MAKING MODERN LIVING POSSIBLE Service Guide HDU SF Horizontal Distribution Units Single Flat www heating danfoss com...

Page 2: ...ty if these instructions are not adhered to during installation or service The English language is used for the original instructions Other languages are a translation of the original instructions Dir...

Page 3: ...for in and outlet connection to the riser 2 Strainer to trap dirt sand etc from pipe water replacement filter available as accessory 3 AB PM automatic balancing valve combines three functions differe...

Page 4: ...Connection to radiator 3 4 Power supply Heat meter A cell battery 3 6 VDC At differential pressure in control loop 10kPa at 100 AB PM set ting 1 3 Accessories and Spare Parts Product Code no Manifold...

Page 5: ...N 41598383 qs 5m3 h qp 2 5m3 h qi 0 025m3 h PS PN 16 DN20 IP54 q 5 130 C 1 180 C 3 177K Pt 500 class 2 E1 M1 P Year 2012 GPM V T T V The following guidelinesmust be observed The cables supplied with...

Page 6: ...p pulse input loop tariff loop and month loop The window content of each loop is programmed with the standard infor mation ex works Various display windows comprise two seven displays that change succ...

Page 7: ...Primary address 1 3 4 Pri_Adr 2 Primary address 2 3 5 Installation position 3 6 Port 1 No of the mounted module at port 1 3 7 Port 2 No of the mounted module at port 2 3 8 Status integrated radio Seq...

Page 8: ...easuring component E 7 No primary power supply only if mains unit used Supply is via back up battery E 8 Warning Battery almost flat Battery should be replaced E 9 Warning Battery almost flat Battery...

Page 9: ...n is electrically isolated Current drawn one M Bus load L Bus The L Bus module is an adapter for an external radio module Packet length can be configured conforms to EN1434 3 Data reading and parametr...

Page 10: ...ata is accumulated separately in registers Data is readable as IN1 and IN2 in the display and can be transmitted over the communication modules Cable length up to 10 m Pulse output function module The...

Page 11: ...cy can be obtained from the Inspection and Test Instruction 6 Replacing the Heat Meter Ordering a new Heat Meter A new Heat Meter can be ordered at Danfoss by using the informations on the existing He...

Page 12: ...tion direction 2 Direction of flow Please note Check function of the new Heat Meter The Heat Meter will only measure energy if the pipes are completely filled with water otherwise a corresponding erro...

Page 13: ...Danfoss Heating Solutions VIIGB102 13 Service Guide HDU SF Horizontal Distribution Units Single Flat...

Page 14: ...VIIGB102 Danfoss Heating Solutions 14 Service Guide HDU SF Horizontal Distribution Units Single Flat...

Page 15: ...Danfoss Heating Solutions VIIGB102 15 Service Guide HDU SF Horizontal Distribution Units Single Flat...

Page 16: ...products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All tr...

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