Danfoss DTW 300 SP User Manual Download

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Installation, Service and

User Manual

DTW 300 SP

VMGFK202

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Summary of Contents for DTW 300 SP

Page 1: ...Installation Service and User Manual DTW 300 SP VMGFK202...

Page 2: ...e applicable war ranty is not binding Danfoss A S retains the right to make changes to components and specifications without prior notice 2011 Copyright Danfoss A S The English language is used for th...

Page 3: ...ressure and drainage 13 6 6 Solar energy coil electrical instruction 13 7 Duct Connections 15 8 Electrical Connection 18 8 1 Electrical wiring illustration 18 8 2 Connecting external supply voltage 18...

Page 4: ......

Page 5: ...rent symbols are used to indicate the degree of danger DANGER Indicates an immediate danger that leads to fatal or serious injury if necessary measures are not taken Warning Risk of personal injury In...

Page 6: ...be earthed effectively in order to avoid the risk of an electrical shock In order to avoid electric shock fire or injury if any abnormality is detected such as smell of fire turn off the power supply...

Page 7: ...maintenance If the unit is installed in a space without heating there is a risk of freezing damage if the power is turned off during cold weather conditions Ensure that the system is drained from wate...

Page 8: ...and repair work on the heat pump DANGER Only authorized electricians may modify the electrical installation DANGER Only authorized refrigeration technicians may work on the refrigerant circuit 2 4 2 S...

Page 9: ...mpressor 4 Fan assy 21 Front cover 5 Junction box cover 22 Display 6 Rear cover 23 Cover temperature safety function 7 Junction box 24 Front board 8 Temperature and pressure valve 25 Cover electrical...

Page 10: ...sor T5U 17 Air inlet 36 Lower tank sensor T5L Note All the diagrams and figures in this manual are for explanation purposes only They may be slightly different depending on model from the real product...

Page 11: ...ccessory Name Purpose Quantity Installation service and user man ual Installation service and user instruction this manual 1 Non return valve Prevent water from flowing back 1 Adaptor Drain condensate...

Page 12: ...ances Take this into consideration when deciding the location Caution Installing the unit in any of the following places may lead to malfunction of the unit A site containing mineral oils such as cutt...

Page 13: ...not allow this recommendation and that it is suspected that the air volume and flow will not be sufficient installing flexible duct connections should be considered 5 2 Carrying the unit onto the site...

Page 14: ...lar energy solution is installed the water temperature can rise very quickly Preventive measures must be taken for the piping connections Note If the water pressure is too high above 5 bars a pressure...

Page 15: ...e water flows out from the water outlet the tank is full Turn off the outlet tap and check all pipes If there is any leakage repair it 6 5 Water pressure and drainage If the inlet water pressure is le...

Page 16: ...terminal is high level 5V for outlet it means that the unit is blocked for operation Caution If the water temperature from the solar thermal get overheated it may trig the built in temperature functio...

Page 17: ...ure 7 Air inlet and outlet without flexible air ducts Position Explanation 1 Air outlet 2 Air inlet Flexible air ducts can be connected to both the air outlet 1 and air inlet 2 separately or in combin...

Page 18: ...Round duct Rectangle duct Other shaped ducts Dimension mm 190 190X190 Maximum length 3 m Straight line pressure drop Pa m 2 2 Straight line length m 10 10 Bends pressure drop Pa 2 2 Bends 5 5 16 Inst...

Page 19: ...e 10 Filter position at duct entrance Position Explanation 1 Outlet 2 Inlet 3 Filter Caution To effectively drain condensate water from the evaporator install the unit on a horizontal floor or base Ot...

Page 20: ...e DANGER Electrical voltage The terminal blocks are live and can be highly dangerous due to the risk of electric shock All power supplies must be isolated before electrical installation is started The...

Page 21: ...may result in damage of auxiliary e heater Due to such damage the warranty is not valid Caution Water temperatures over 50 C can cause severe or even fatal scalding injuries Caution If the unit is us...

Page 22: ...dis played to remind you that the outlet tempera ture is too high for direct spray 9 OUTLET TEMP indicator It displays the water tem perature in the upper part of the tank that is the water you are us...

Page 23: ...E heater mode 7 Water temperature indicator It is lit if the actual water temperature exceeds 50 C 15 HYBRID MODE indicator It is lit when the user selects the Hybrid mode 8 Water temperature indicat...

Page 24: ...e lock indicator will also be displayed 11 1 1 Unlocking user interface In order to prevent unwanted user operations a special lock function has been designed If there is no operation from the user or...

Page 25: ...essor according to the heat pump principle Used when the ambient temperature is high Hybrid mode The heated water comes not only from the compressor but also from the electric heater Used when the amb...

Page 26: ...s ten minutes TIME ON You can set a start time in advance using this function The unit will start running at the time set and continue until 24 00 the same day provided that the time is set to a time...

Page 27: ...n these time settings When the start time is later than the stop time the unit will run between the start time the same day and the stop time the next day If the user tries to set the same value for b...

Page 28: ...e hour digit starts Press the UP or DOWN key to adjust the hour setting TIME ON Press the TIME ON key again to confirm or wait 10 seconds TIME OFF Press the TIME OFF key the minute digit on the displa...

Page 29: ...n an unlocked state press the CANCEL key for 1 second the TIME ON and TIME OFF setting will be canceled 11 2 Operational status When running in HYBRID mode the system will adjust the working capabilit...

Page 30: ...e ambient air tempera ture returns within the allowed operating range o When the ambient air temperature returns within the allowed operating range the warning code LA is reset and the unit returns ba...

Page 31: ...verload protection E5 Ambient temperature sensor error P8 Malfunction of electrical heater E6 Discharge pipe temperature sensor error P9 E heater overload protection E7 System error E8 Electrical leak...

Page 32: ...er 11 4 2 Defrosting during water heating In the ECONOMY or HYBRID mode if the evaporation freezes as a result of cold circumstances the system will automatically defrost 3 10 minutes in order to main...

Page 33: ...ature on the display indicate the level of the water temperature in the lower part of the tank When the temperature reaches 40 C the blue one is lit when it reaches 50 C the blue and yellow ones are l...

Page 34: ...for this condition When installing the product the installer must pay attention to this issue and adjust the water temperature set point of the application accordingly 11 5 2 Automatic legionella pre...

Page 35: ...e risk of freezing inside the inner tank Freezing would possibly cause damage to the e heater or tank It is recommended to clean the inner tank and the e heater regularly to keep an efficient performa...

Page 36: ...the compressor If the self protection function causes the system to stop check the following The power indicator is lit but the unit will not start The reason can be that it is forced to run although...

Page 37: ...technician No hot water from the outlet Tap water has been cut away Water pressure is too low Inlet valve has been closed It will return to normal after water has been supplied Use it when the pressur...

Page 38: ...uch waste separately for special treatment is necessary Do not dispose of electrical appliances as unsorted municipal waste use separate collection facilities Contact you local government for informat...

Page 39: ...al overload relay Temperature guard Compressor overload E heater overload Ambient temperature outside operational range Electrical leakage Compressor power 850W E heater power 3000W Refrigerant R134a...

Page 40: ...3 B Gross weight filled 423kg Fuse internal electronics 5A Above performance data at test conditions Test temperature 15 12 C DB WB Water temperature from 15 C up to 45 C 38 Installation Service and U...

Page 41: ...VMGFK202...

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