Danfoss DHP-AL User Manual
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Danfoss DHP-AL User Manual

Danfoss DHP-AL User Manual

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USER'S MANUAL
DHP-AL
Navigate through the control computer's menu by:
To increase or reduce the set values use:
To adjust the room temperature: starting by pressing
The degree information that now appears in the display is the
last desired room temperature.
To increase the temperature: press
To lower the temperature: press
The temperature you now require is registered immediately.
(After approximately ten seconds the desired room tempera-
ture appears in the display again, together with other infor-
mation.) The heat pump now starts to work to reach the new
temperature.
Want to know more? Read this User's Manual!
VUBMF102

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  • Page 1 USER’S MANUAL DHP-AL Navigate through the control computer’s menu by: To increase or reduce the set values use: To adjust the room temperature: starting by pressing The degree information that now appears in the display is the last desired room temperature.

  • Page 3: Table Of Contents

    Installation performed by: ............. . 39 VUBMF102 Danfoss – 3...

  • Page 4: Important Information

    Protection Corrosion Protection Due to the risk of corrosion, avoid using different types of sprays in the vicinity of the heat pump. This particularly applies to: • Solvents • Chlorinated cleaning agents • Paints • Adhesives Danfoss – 4 VUBMF102...

  • Page 5: About Your Heat Pump

    The brine obtains energy from the heat source by the fluid temperature in the hose being heated a few degrees by the surrounding heat source. The fluid filled hose is also known as a collector. VUBMF102 Danfoss – 5...

  • Page 6: Components

    2 .2 Components DHP-AL is a heat pump installation for both heating and producing domestic hot water for the home. The heat pump uses outdoor air as a heat source and retrieves energy from the air using an air heat exchanger in a separate outdoor unit.

  • Page 7: Auxiliary Heat

    • Water heater with defrosting tank 5 Outdoor unit • Air heat exchanger • Fan Figure 2: Complete DHP-AL heat pump installation . 2 .3 Auxiliary heat The auxiliary heater is made up of an electric heating element on the supply pipe that has three outputs, ADD.HEAT 1, ADD.HEAT 2 and ADD.HEAT 3, and can be controlled in five steps:...

  • Page 8: Water Heater

    2 .4 Water heater Danfoss DHP-AL is supplied with an integrated 180 litre water heater with a tank outside the water heater that contains the anti-freeze. Position Name Hot water line Cold water Defrosting tank Water heater TWS coil Figure 3: Water heater in DHP-AL .

  • Page 9: Regulation Information

    Figure 4: Graph showing the set value 40 for CURVE . At outdoor temperatures colder than 0°C, supply water hotter than 40°C is sent out to the heating system and at outdoor temperatures greater than 0°C, supply water cooler than 40°C is sent out. VUBMF102 Danfoss – 9...
  • Page 10 ROOM value. The reason that the curve is adjusted 3° is that an approximate 3° increase in supply temperature is needed to increase the indoor temperature 1°. Supply temperature Maximum supply temperature Outdoor temperature Figure 6: Changing the ROOM value changes the heat curve upwards or downwards . Danfoss – 10 VUBMF102...
  • Page 11 If your house has under floor heating and parquet floors, the supply temperature must not exceed the recommendations of the floor manufacturer. Otherwise there is a risk that the parquet floors might be damaged If you have under floor heating and stone tiles, the MIN VUBMF102 Danfoss – 11...
  • Page 12 Auxiliary heater stop Auxiliary heater start (-660) (latest at -60) start (-660) Auxiliary Auxiliary heater heater Compressor Compressor No operation No operation Heat pump operation Figure 8: Starting and stopping heat pump operation based on integral values . Danfoss – 12 VUBMF102...
  • Page 13 INTEGRAL A1 or to the stop value 0°min. SUPPLY TEMP. HYSTERESIS (∆t) ≥ x HYSTERESIS (∆t) ≥ x Compressor start (-60) TIME INTEGRAL Compressor stop Figure 9: Conditions for HYSTERESIS to force the integral value to change . VUBMF102 Danfoss – 13...

  • Page 14: Installation Principle

    Safety valve, 1.5 bar Location of the expansion tank when the outdoor unit is level with the heat pump. Shut-off valve Filler cock Brine flow during defrosting Figure 10: Principle solution for an installation . Danfoss – 14 VUBMF102...

  • Page 15: Control Computer

    The main menu INFORMATION with its sub-menus. The main menu, INFORMATION, is opened by pressing the left or right buttons. From INFORMATION one of the four sub-menus can be opened: OPERAT.; HEATCURVE; TEMPERATURE and OPERAT. TIME. VUBMF102 Danfoss – 15...

  • Page 16: Display

    Indicates that the 3-way valve’s position is for hot water production. SYSTEM Indicates the set system VL / D / VL+F / D+F (+F indicates that a flow switch is installed) CLOCK Indicates that tariff control is active. Danfoss – 16 VUBMF102...
  • Page 17 SQUARE Either indicates that the operating pressure switch has deployed, or ⚠ ⚠⚠⃞ that the hot gas temperature has reached its maximum temperature. Symbols specific to DHP-AL Displays the operating status of the heat pump using symbols. Symbol Meaning DEFROST Displayed if defrosting is active.

  • Page 18: Menus

    OPERAT.TIME DEFROST Figure 12: The main menu INFORMATION for DHP-AL with sub menus . Use the up and down buttons to select the desired sub-menu and open the menu by pressing the right button once. To go back to the display’s starting point, press the left button once.
  • Page 19 HOT WATER In this mode the heat pump only By the customer, if produces hot water, no heat goes to the necessary. heating system. VUBMF102 Danfoss – 19...
  • Page 20 Determines how large an impact the Factory setting: 2 room temperature is to have when calcu- (interval: 1 - 5) (Only displayed if lating the supply temperature. (1 = small, 5 = large) a Room sensor is installed.) Danfoss – 20 VUBMF102...
  • Page 21 Read the “Regulation information” section for more information. BRINE OUT The temperature of the brine circuit Not adjustable going out from the heat pump. BRINE IN The temperature of the brine circuit Not adjustable going into the heat pump. VUBMF102 Danfoss – 21...
  • Page 22 • Step 3 = ADD.HEAT 1 + ADD.HEAT 2 = 9 kW • Step 4 = ADD.HEAT 2 + ADD.HEAT 3 = 12 kW • Step 5 = ADD.HEAT 1 + ADD.HEAT 2 + ADD.HEAT 3 = 15 kW Danfoss – 22 VUBMF102...
  • Page 23 MANUEL DEFR By using the right-hand arrow and then By the customer, if pressing +, defrost can be started manu- necessary. ally (shunts +20°C for 10 minutes). VUBMF102 Danfoss – 23...

  • Page 24: Trimming The Heating System

    When the reference room has an even temperature of 20-21°C over a 24 hour period, you can adjust the radiator valves in the other rooms so that their indoor temperatures are the same temperature or lower than the reference room. Danfoss – 24 VUBMF102...

  • Page 25: Instructions

    Press the down button to move the cursor to the HEATCURVE menu option. Open the menu by pressing the right button once.. The cursor is at CURVE. Open your selection by pressing the right button once. VUBMF102 Danfoss – 25...

  • Page 26: Adjusting A Specific Part Of The Heat Curve

    Open your selection by pressing the right button once. The text row HEATSTOP is marked. Raise or reduce the value with the up or down buttons. Press the left button three times to exit the menu. Danfoss – 26 VUBMF102...

  • Page 27: Reading Off Temperatures

    To calculate the energy consumption: Press either the right or left button once to open the INFORMATION main menu. The cursor is in the OPERATION menu option. Press the down button to move the cursor to the OPERAT.TIME menu option. VUBMF102 Danfoss – 27...

  • Page 28: Manual Defrost

    Press the down button to move the cursor to the MANUAL DEFROST menu option. Press the right button once. Press the up button once to start defrost. Press the left button three times to exit the menu. Danfoss – 28 VUBMF102...

  • Page 29: Regular Checks

    The brine circuit must be filled with the correct amount of fluid otherwise the installation may become damaged. The brine must be topped up when the level drops so that it is no longer visible in the expansion tank. VUBMF102 Danfoss – 29...

  • Page 30: Checking The Water Level In The Heating System

    For DHP-AL with pressurized brine circuit the manometer on the expansion tank must show approx. 1.0 bar, see figure in section “Installation principle” for more information about the location of the expansion tank.

  • Page 31: In The Event Of Leakage

    Remove the strainer. Rinse the strainer. Reinstall the strainer. Check that the o-ring on the cover is not damaged. Screw the cover back into place. Turn the shut-off cock to the open position. 10 Start the heat pump. VUBMF102 Danfoss – 31...

  • Page 32: Cleaning The Strainer For The Brine Circuit

    Check that the o-ring on the cover is not damaged. Screw the cover back into place. 10 Turn both shut-off cocks to the open position. 11 Reinstall the insulation around the filler cock. 12 Start the heat pump. Danfoss – 32 VUBMF102...

  • Page 33: Accessories

    • To display the outdoor temperature press the up and down buttons at the same time. • To set the desired indoor temperature press either the up or down button. • If the heat pump has an active alarm the text AL appears in the display. VUBMF102 Danfoss – 33...

  • Page 34: Troubleshooting

    SENSOR Return sensor fault. Electrical fault. Contact your RETURN installer. SENSOR HOT Fault in the hot water sensor. Electrical fault. Contact your WATER No hot water production. installer. Danfoss – 34 VUBMF102...

  • Page 35: Terms And Abbreviations

    0°C. Brine Is a water based mixture that transports energy from the heat source to the heat pump. (See the “About your heat pump” section for further information). VUBMF102 Danfoss – 35...
  • Page 36 The control computer determines the correct temperature of the water to be distributed to the heating system based on the heat curve. The indoor temperature is adjusted by changing the gradient of the heating system’s CURVE. Danfoss – 36 VUBMF102...

  • Page 37: Default Settings In The Control Computer

    This will make it easier for you when you make your own adjustments. Setting Factory setting Any customer specific settings ROOM 20°C OPERATION AUTO CURVE 40°C 10°C 55°C CURVE 5 0°C CURVE 0 0°C CURVE -5 0°C HEATSTOP 17°C REDUCTION 2°C VUBMF102 Danfoss – 37...

  • Page 38: References

    Noise check • Customer information □ Control computer, menus, maintenance instructions □ Checking and filling, heating system □ Alarm information □ Function test safety valve ⚠ □ Strainers, cleaning ⚠ □ Trimming information ⚠ □ Warranties Danfoss – 38 VUBMF102...

  • Page 39: Installation Performed By

    If these instructions are not followed during installation, operation and maintenance, Danfoss AS’s liability according to the applicable warranty is not binding. Danfoss AS retains the right to make changes to components and specifications without prior notice. VUBMF102 Danfoss – 39...
  • Page 40 Danfoss – 40 VUBMF102...
  • Page 41 VUBMF102 Danfoss – 41...
  • Page 42 VUBMF102...

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