Danfoss DHP-AL, User Manual

Page 1: ...e 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 second...

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Page 3: ...c part of the heat curve 26 5 5 Setting MAX and MIN values 26 5 6 Setting HEATSTOP 26 5 7 Reading off temperatures 27 5 8 Calculating energy consumption 27 5 9 Manual defrost 28 6 Regular checks 29 6...

Page 4: ...may work on the refriger ant circuit See the References section System modifications Only authorized installers may carry out modifications on the following components The heat pump unit The pipes fo...

Page 5: ...e heat transfer fluid circuit The heat transfer fluid circuit holds the fluid that circulates in the heating system of the house and in the heat pump s water heater The figure below shows how the diff...

Page 6: ...ment which provides auxiliary heat that can be used when the heating requirement exceeds the capacity of the heat pump The heat pump supplies as much of the heat demand as possible before auxiliary he...

Page 7: ...upply pipe that has three outputs ADD HEAT 1 ADD HEAT 2 and ADD HEAT 3 and can be controlled in five steps Step 1 ADD HEAT 1 3 kW Step 2 ADD HEAT 2 6 kW Step 3 ADD HEAT 1 ADD HEAT 2 9 kW Step 4 ADD HE...

Page 8: ...r cannot be adjusted Hot water production does not cease at a determined temperature but when the compressor s operating pressure switch reaches its maximum operating pressure which corresponds to a h...

Page 9: ...e will be adjusted in connection with installation It must be adapted later on however to obtain a pleasant indoor temperature in any weather conditions A correctly set heat curve reduces maintenance...

Page 10: ...r temperature change the ROOM value The differ ence between changing the ROOM value and the CURVE value is that the system s heat curve does not become steeper or flatter if the ROOM value is changed...

Page 11: ...tures 5 C 0 C and 5 C The supply temperature can be changed by plus minus 5 degrees HEATSTOP The HEATSTOP function automatically stops all production of heat when the outdoor tem perature is equal to...

Page 12: ...values that you as a customer have to set The heat demand in the house depends on the season and weather conditions and is not constant The heat demand can be expressed as temperature difference over...

Page 13: ...ring sudden changes of the heat demand there is a value HYSTERESIS which controls the difference between the actual supply temperature t1 and the calculated supply temperature t2 If the difference is...

Page 14: ...Supply sensor brine Bleed valve Bleed valve Bleed valve at stainless steel water heater Brine flow during defrosting Mixer valve Shut off valve Filler cock Safety valve 1 5 bar Safety valve Safety val...

Page 15: ...is used to navigate the desired settings and values Figure 11 Display control buttons and indicator for the heat pump Use the four control buttons on the keypad to navigate the menus and increase or...

Page 16: ...e heat pump unit compressor is allowed to operate ADD HEAT The control computer only permits the auxiliary heater to be in operation This operating mode can be used when a new installation is being us...

Page 17: ...e actual temperature is first displayed and then the desired indoor temperature within brackets ERR PHASE SEQ Alarm that indicates that there is an incorrect phase sequence to the compressor Only disp...

Page 18: ...of minutes ADD HEAT Indicates that there is an auxiliary heater demand DEFROST Indicates the temperature for defrost 3 2 Menus 3 2 1 Main menu INFORMATION The control computer s main menu INFORMATION...

Page 19: ...ained otherwise there is a risk of frost damage By the customer if necessary AUTO The heat pump and the auxiliary heater are automatically controlled by the control computer By the customer if necessa...

Page 20: ...C By the customer if necessary CURVE 0 Used to adjust the heat curve at an outdoor temperature of 0 C By the customer if necessary CURVE 5 Used to adjust the heat curve at an outdoor temperature of 5...

Page 21: ...temperature for hot water production is shown in brackets Not adjustable The computer calcu lates the temperature required to maintain the indoor tempera ture RETURN PIPE Shows the read return tempera...

Page 22: ...stable ADD HEAT 2 Shows the total time in hours that the auxiliary heater 6 kW has been in opera tion since installation Not adjustable ADD HEAT 3 Shows the total time in hours that the auxiliary heat...

Page 23: ...n minutes since last defrost Reset after a defrost is completed Not adjustable FAN H OFF AT Fan high speed is deactivated at this outdoor temperature and low speed is activated By the customer if nece...

Page 24: ...points in time over a 24 hour period 6 Adjust the ROOM value so that the reference room reaches your desired indoor tempera ture of 20 21 C Remember that other rooms will have different temperatures d...

Page 25: ...ates the current operating mode 3 Mark the new desired operating mode using the up or down button 4 Press the right button once to confirm your choice The asterisk moves to your selected operating mod...

Page 26: ...menu The cursor is in the OPERATION menu option 2 Press the down button to move the cursor to the HEATCURVE menu option 3 Open the menu by pressing the right button once The cursor is at the CURVE val...

Page 27: ...value 6 Open your selection by pressing the right button once A graph appears in the display 7 Move the cursor along the time axis using the up plus or down minus buttons An exact value at the releva...

Page 28: ...EAT 3 hours by 6 Note the result 9 Add up the multiplied values to obtain the total energy consumption 5 9 Manual defrost If the outdoor unit requires defrosting you can run a defrosting procedure man...

Page 29: ...hat the installation is working correctly It is not always the case that you will notice a problem with the installation for example in the event of a fault with the compressor the auxiliary heater st...

Page 30: ...k See the Piping installation principle solution section for information on where the manometer is located You can use normal tap water when topping up the heating system In certain exceptional cases...

Page 31: ...m The heat pump must be switched off at the main switch before cleaning can be started The brine circuit s strainer must be cleaned twice a year after installation The interval can be extended if ther...

Page 32: ...n the filler cock To clean the strainer 1 Switch off the heat pump 2 Remove the insulation around the filler cock 3 Turn both shut off cocks to the closed position see figure above 4 Unscrew the cover...

Page 33: ...iew the outdoor temperature In the room temperature sensor there is a temperature sensor that provides a further value that the control computer can use when calculating the supply temperature The inf...

Page 34: ...cked strainer in the heating system Open radiator floor loop thermo stats Top up and bleed the heating system or contact your installer MOTOR P ERROR Motor protection cut out The compressor stops and...

Page 35: ...EGRAL INTEGRAL is the heating system s energy balance Heat generation is controlled by a calculated requirement This value is determined by comparing the actual supply temperature with its calculated...

Page 36: ...t Control computer The control computer controls the entire heating installation All settings are stored and the history of the installation is registered here The control computer s settings can be c...

Page 37: ...by the installation contractor in connection with installation of the heat pump Make sure that the installation contractor enters any settings made during installation that are particular to your heat...

Page 38: ...e compressor Outdoor sensor Accessories Brine installation Type of brine Filling number of litres Leak test Function test safety valve Control computer Basic settings Test operation Manual test carrie...

Page 39: ...CAL INSTALLATION Date Company Name Tel No If these instructions are not followed during installation operation and maintenance Danfoss AS s liability according to the applicable warranty is not bindin...

Page 40: ...Danfoss 40 VUBMF102...

Page 41: ...Danfoss 41 VUBMF102...

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