Danfoss 3 Series User Manual Download

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© Danfoss | 2022.11

LGB53080

Termix VX-IV - 3 Series DS Fully insulated

Operating Guide

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Summary of Contents for 3 Series

Page 1: ...Danfoss 2022 11 LGB53080 Termix VX IV 3 Series DS Fully insulated Operating Guide...

Page 2: ...ulation 11 Design 12 Schematic description Termix VX IV RAD 13 Schematic description Termix VX IV UFH 13 Electrical connections and wiring 14 Wiring diagram radiator heating 15 Wiring diagram underflo...

Page 3: ...HVAC technician All electrical connections must be carried out by an authorised electrician Daily operations After correct installation and commissioning under normal circumstances further adjustment...

Page 4: ...flow medium should not exceed 150 mg l The risk of corrosion increases significantly if the recommended chloride content is exceeded REACH All products from Gemina Termix A S meet the requirements in...

Page 5: ...es DS Fully insulated Unit label The unit label is affixed to the back plate Image of a unit label is shown as an example Should the unit label become unreadable damaged or fall off completely then it...

Page 6: ...40 C in continuous use Dimensions for connections DHF DHR HFL HRL G internal thread Weight Net weight 19 22 kg Dimensions Dimensions H 710 mm x W 530 mm x D 270 mm The recommended operational paramete...

Page 7: ...vibrations during transport and lifting handling it is important that all union connections are re tightened After filling the system with water and once it is in operation all union connections must...

Page 8: ...factory Assembly installation and commissioning Unpacking and preparation Remove the packaging from the unit Cling film and cardboard must be disposed of in accordance with locally applicable legisla...

Page 9: ...ifting instructions Temporarily remove the inspection hatch Temporarily remove the service hatch Lift the HIU in the following two places 1 With your left hand around the DHR pipe 2 With your right ha...

Page 10: ...or correct connection of the pipes Please refer to the section Key to symbols Adequate space Please allow adequate space around the HIU for mounting and maintenance purposes Orientation The unit must...

Page 11: ...Danfoss 2022 11 11 LGB53080 Termix VX IV 3 Series DS Fully insulated Dismantling the insulation Disassembly of the side frame Disassembly of the inspection and service hatch...

Page 12: ...p 38 Expansion tank M Electrical wiring box 14 Sensor pocket energy meter 41B Fitting piece energy meter 4 Safety valve 20 Filling drain valve 48 Air vent manual 7 Thermostatic valve HTG 26 Pressure g...

Page 13: ...69 4 bar 26 48 48 M 41 01 01 01 L Heating Supply Heating Return Heat Network Supply Heat Network Return Mounting rail Schematic description Termix VX IV UFH 1 Isolation valve 20 Filling drain valve 4...

Page 14: ...arried out according to DS HD 60364 4 41 2007 and IEC 60364 5 54 2011 Disconnection The electrically connected HIU must be disconnected for repairs Wires and cables It must be ensured that wires and c...

Page 15: ...Danfoss 2022 11 15 LGB53080 Termix VX IV 3 Series DS Fully insulated Wiring diagram underfloor heating Wiring diagram radiator heating...

Page 16: ...eat network return if there is water in the system Loosen nuts Loosen the nuts on the fitting piece Remove fitting piece Remove the fitting piece and replace it with the energy meter Don t forget the...

Page 17: ...lug replaced Pre pressure The expansion vessel is supplied prepressurised to 0 5 bar The pre pressure required for the individual HIU will depend on system head the distance between the lowest and hig...

Page 18: ...d any remaining warranty is forfeited Start pump Start the pump and adjust to its highest speed Remark The circulator pump should run for 10 minutes during the first installation Open isolation valves...

Page 19: ...dle on the thermostatic controller to select a lower number RAVK controller 35 75 C 07 see diagram Removing the RAVK sensor 1 Setting Before removing the RAVK sensor from the valve turn to setting 5 2...

Page 20: ...mooths out the fluctuations in pressure arriving from the heat network The operating pressure in the HIU is thus held steady The AVPL can be set within the region of 5 kPa to 25 kPa 0 05 bar to 0 25 b...

Page 21: ...pressure 2 factory setting Proportional pressure 3 Max Constant pressure 1 Constant pressure 2 Constant pressure 3 Constant curve 1 Constant curve 2 Constant curve 3 Max Function PP Red CP Green Yello...

Page 22: ...ipe to drain 04 see diagram IMIT Thermostat The IMIT thermostat is used to limit the underfloor heating flow temperature The IMIT thermostat is preset to 60 C and will shut off the pump and the primar...

Page 23: ...S Fully insulated Expansion tank Heat Exchanger The heat exchanger is produced in acid resistant stainless steel 38 see diagram A see diagram Fill drain valve Air vent manual secondary side Air vent m...

Page 24: ...parts can be ordered from SAV Systems Ltd Please ensure that any enquiry includes the HIU s serial number The serial number is found on the unit label Authorised personnel All troubleshooting and mai...

Page 25: ...p has been set at too low a level Set the pump correctly see the section Circulation pump UPM3 Uneven heat distribution in the building due to incorrectly set balancing valves on heat emitters Adjust...

Page 26: ...plug has been removed from the socket The unit has cooled down Gloves It is recommended that suitable work gloves are used in connection with handling and lifting of the HIU Disposal This product con...

Page 27: ...Danfoss 2022 11 27 LGB53080 Termix VX IV 3 Series DS Fully insulated Declaration of conformity...

Page 28: ...ifferential pressure controller adjusted 31 20 Clip on actuator removed 69 20 Wiring completed 14 15 Mains connected Room controller connected and working Pre payment unit connected and working Pump s...

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