24| © Danfoss | 2022.11
AQ221686472754en–010401 / LUK4030601
Operating Guide Termix VX with complete insulation
Page 1: ...4 1 Mounting 4 4 2 Start up 7 4 3 Electrical connections 9 5 0 Design 10 5 1 Design 10 5 2 Schematic diagram 11 6 0 Controls 12 6 1 Heating circuit 12 6 2 Other 16 6 3 Maintenance 18 7 0 Troubleshooti...
Page 2: ...heat meter as well as strainers and ball valves Heating HE The heating side consists of a stainless steel plate heat exchanger safety valve manometer thermometers ball valves drain valve air valve exp...
Page 3: ...g personnel and call for expert help immediately REACH All Danfoss A S products fulfill the requirements in REACH One of the obligations in REACH is to inform customers about presence of Candidate lis...
Page 4: ...ating DH supply 2 District heating DH return 3 Heating HE supply 4 Heating HE return 5 Tank flow line TFL 6 Tank return line TRL Connection sizes DH HE G int thread TFL TRL G int thread Dimensions mm...
Page 5: ...n during transport all substation connections must be checked and tightened before installation Unused connections Unused connections and shut off valves must be sealed with a plug Should the plugs re...
Page 6: ...ints of the bracket for the energy display and screw the two plugs supplied into the insulation front Mount the bracket for the display of the energy meter Mount the display calculator of the energy m...
Page 7: ...in Start up 1 Pump speed Set the pump to highest speed before start up 2 Start pump Start the pump and heat through the system 3 Open shut off valves The shut off valves should then be opened and the...
Page 8: ...e at risk of seizure and any remaining warranty will be withdrawn Summer operation Switch off pump In summer the circulation pump must be switched off and the shut off valve to HE supply closed Runnin...
Page 9: ...rically connected so that it can be disconnected for repairs Outdoor temperature sensor Outdoor sensors should be mounted so as to avoid exposure to direct sunlight They should not be placed close to...
Page 10: ...ansion tank 1 Summer valve 14 Sensor pocket energy meter 41 Fitting piece energy meter 4 Safety valve HE 20 Filling drain valve 48 Air vent manual 7 Thermostatic controller HE 26 Pressure gauge HE 9 S...
Page 11: ...n valve 41 Fitting piece energy meter 9 Strainer 24 Delivered loose with unit 48 Air vent manual DH Supply District Heating Supply DH Return District Heating Return HE Supply Heating Supply HE Return...
Page 12: ...temperature controller 6 1 3 RAVK controller RAVK controller 25 65 C The temperature setting is as follows 1 25 C 2 35 C 3 45 C 4 55 C 5 65 C The values are intended as a guide Thermostatic control Th...
Page 13: ...direct sunlight They should not be placed close to doors windows or ventilation outlets 6 1 6 Circulator pump UPM3 UPM3 Pumps can be controlled in constant pressure proportional pressure or constant...
Page 14: ...Constant pressure Auto adapt Proportional pressure 1 Proportional pressure 2 2 pipe systems Proportional pressure 3 MAX Constant pressure 1 1 pipe systems Constant pressure 2 Under floor heating Cons...
Page 15: ...6 1 8 HE pressure gauge The HE pressure gauge indicates the pressure of the HE system AQ221686472754en 010401 LUK4030601 Danfoss 2022 11 15 Operating Guide Termix VX with complete insulation...
Page 16: ...bserve any dripping from the safety valve It is recommended to check the operation of safety valves at intervals of 6 months This is done by turning the valve head in direction indicated 6 2 2 Straine...
Page 17: ...on the fitting piece 3 Remove fitting piece Remove the fitting piece and replace it with the energy meter Do not forget the gaskets 4 Tighten connections After mounting of the energy meter remember t...
Page 18: ...mperature and DHW temperature Connections Checking all connections for leakages Safety valves The operation of the safety valves should be checked by turning the valve head in the indicated direction...
Page 19: ...H is at the normal level summer at least 60 C winter at least 70 C the differential pressure is equal to or higher than the normal local differential pressure in the DH network if in doubt ask the DH...
Page 20: ...lation thoroughly Limiting of the return temperature adjusted too low Adjust according to instructions Defective radiator valves Check replace Uneven heat distribution in building because of incorrect...
Page 21: ...The system should feature electronic controls as well as return sensors Pump pressure too high Adjust pump to a lower level Air in system Vent the system Defective or incorrectly set radiator valve s...
Page 22: ...er to the applicable take back scheme for the recycling of electrical and electronic equipment Dispose of the product through channels provided for this purpose Comply with all local and currently app...
Page 23: ...8 0 Declaration 8 1 Declaration of conformity AQ221686472754en 010401 LUK4030601 Danfoss 2022 11 23 Operating Guide Termix VX with complete insulation...
Page 24: ...24 Danfoss 2022 11 AQ221686472754en 010401 LUK4030601 Operating Guide Termix VX with complete insulation...