Danfoss Termix VVX-IV 7 Series User Manual Download

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© Danfoss | 2022.02

LGB55001

Termix VVX-IV - 7 Series DS Fully insulated

Operating Guide

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Summary of Contents for Termix VVX-IV 7 Series

Page 1: ...Danfoss 2022 02 LGB55001 Termix VVX IV 7 Series DS Fully insulated Operating Guide...

Page 2: ...VVX IV RAD 13 Schematic description Termix VVX IV UFH 14 Electrical connections and wiring 15 Wiring diagram radiator heating 16 Wiring diagram underfloor heating 16 Fitting of energy meter 17 Commiss...

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

Page 4: ...ent in the 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 requi...

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: ...ent temp 0 40 C in continuous use Dimensions for connections DHF DHR HFL HRL DCW DHW G internal thread Weight Net weight 24 29 kg Dimensions Dimensions H 710 mm x W 530 mm x D 270 mm The recommended o...

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: ...s Temporarily remove the inspection hatch Temporarily remove the service hatch Lift the HIU in the following two places 1 On the left hand side around the DHR pipe 2 On the right hand side around the...

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 02 11 LGB55001 Termix VVX IV 7 Series DS Fully insulated Dismantling the insulation Disassembly of the side frame Disassembly of the inspection and servicehatch...

Page 12: ...M Electrical wiring box 20 Filling drain valve 63 Sieve 2B Double check valve 31 Differential pressure controller 69 On off valve 4 Safety valve 38 Expansion tank 74 IHPT controller DHW 7 Thermostatic...

Page 13: ...8 Air vent manual M Electrical wiring box 20 Filling drain valve 62B Pressure absorber with non return valve 1 Isolation valve 26 Pressure gauge 63 Sieve 2B Double check valve 31 Differential pressure...

Page 14: ...lectrical wiring box 24 Delivered loose with unit 62B Pressure absorber with non return valve 1 Isolation valve 26 Pressure gauge 63 Sieve 2B Double check valve 31 Differential pressure controller 69...

Page 15: ...carried 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...

Page 16: ...16 Danfoss 2022 02 LGB55001 Termix VVX IV 7 Series DS Fully insulated Wiring diagram underfloor heating Wiring diagram radiator heating...

Page 17: ...Heat 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 18: ...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 19: ...nsulated Step 1 Remove the inspection hatch and service hatch Step 2 Remove the cap and connect the flexible hose Step 3 Open both valves Step 4 After filling up the secondary heating system close bot...

Page 20: ...p should run for 10 minutes during the first installation Open isolation valves primary The isolation valves should then be opened and the unit observed as it enters service Visual checking should con...

Page 21: ...ndle 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...

Page 22: ...smooths 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...

Page 23: ...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 Yell...

Page 24: ...pipe 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 prima...

Page 25: ...The set includes circulation pipe single check valve and fitting When mounting the hot water circulation directly on the controller the hot water circulation temperature will be the same as the idle t...

Page 26: ...Expansion tank Double check valve Heat Exchanger The heat exchanger is produced in acid resistant stainless steel 38 see diagram 2B see diagram Fill drain valve Air vent manual secondary side Air vent...

Page 27: ...ter readings Temperatures Check of all temperatures such as Heat Network Supply temperature and DHW temperature Connections Checking all connections for leaks Safety valves The operation of the safety...

Page 28: ...re is normal That there is sufficient differential pressure Measures AFTER troubleshooting Once the troubleshooting has been completed undertake the following measures Tighten all union connections Wi...

Page 29: ...the valve Replace the valve if defective Incorrectly set differential pressure regulator Set the differential pressure regulator to the correct value according to the section Differential pressure re...

Page 30: ...V 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 co...

Page 31: ...Danfoss 2022 02 31 LGB55001 Termix VVX IV 7 Series DS Fully insulated Declaration of conformity...

Page 32: ...ted 31 22 Clip on actuator removed 69 22 Wiring completed 15 16 Mains connected Room controller connected and working Pre payment unit connected and working Pump setting completed 10 22 23 Correct pre...

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