Danfoss DHP-AX User Manual Download Page 4 | Manualshive

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DHP-AX – 4

VUBMI102

These instructions are valid for the following model of Danfoss heat pump:

DHP-AX

If these instructions are not followed during installation, operation and mainte-

nance, 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.

© 2009 Copyright Danfoss AS.

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Summary of Contents for DHP-AX

Page 1: ...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 sec...

Page 2: ...DHP AX 2 VUBMI102...

Page 3: ...2 31 Adjusting CURVE values 7 3 32 Adjusting a specific part of the heat curve 7 4 32 Setting MIN and MAX values 7 5 32 Setting HEAT STOP 7 6 33 Reading off temperatures 7 7 33 Manual defrost 7 8 34...

Page 4: ...DHP AX If these instructions are not followed during installation operation and mainte nance Danfoss AS s liability according to the applicable warranty is not binding Danfoss AS retains the right to...

Page 5: ...sory or psychological capacity or who do not have knowledge or experience unless supervised or they have received instruc tions on how the apparatus functions from a safety qualified person D D Childr...

Page 6: ...ection to the safety valve s overflow pipe D D Water expands when it is heated this means that a small amount of water is released from the system via the overflow pipe The water that exits the overfl...

Page 7: ...1 The relationship between consumed electrical energy and free solar energy In order for the heat pump to be able to retrieve heating energy from the outdoor air and transfer it to the heating system...

Page 8: ...house z z The refrigerant is then transported through the expansion valve where the pres sure and temperature drop and the process starts again Components 2 2 DHP AX is a complete heat pump installati...

Page 9: ...ns the following z z The defrost sequence starts when the temperature of the incoming refrigerant is lower than the set value which is based on a curve that is related to the outdoor temperature z z T...

Page 10: ...n information 3 Heat production calculating 3 4 1 The indoor temperature is adjusted by changing the heat pump s heat curve which is the control system s tool for calculating what the supply temperatu...

Page 11: ...curve If you increase the CURVE value the heat curve will become steeper and when you reduce it it will become flatter The most energy efficient and cost effective setting is achieved by changing the...

Page 12: ...in supply tem perature is usually needed to increase the indoor temperature 1 C Figure 6 Changing the ROOM value changes the heat curve upwards or downwards The relationship of the supply temperature...

Page 13: ...e changed by plus minus 5 degrees HEAT STOP 3 4 4 The HEAT STOP function automatically stops all production of radiator heat when the outdoor temperature is equal to or higher than the value entered f...

Page 14: ...adjusted between one minute and one hour factory setting is one minute History is available for all sensors but only the set value is shown in the display for the room sensor The integral value that...

Page 15: ...completed hot water pro duction to give the heating system time to stabilise the temperature Heat surplus Integral INTEGRAL A1 Heat surplus Heating deficit Compressor start A1 INTEGRAL A2 INTEGRAL A1...

Page 16: ...t the control system makes a calculation using the temperature of the refrigerant return and the outdoor temperature What guides the calculation is a linear defrosting curve that can be set so that th...

Page 17: ...er be used for heating or hot water production if the outdoor temperature is the same as or lower than the value Heating and hot water production then occurs with the help of the auxiliary heater The...

Page 18: ...ce the control panel is used to set and change values that have to be adapted according to the house demand The control panel is inte grated into the front of the heat pump and consists of a display a...

Page 19: ...e set ROOM value and the status of the heat pump The display s symbols are only shown as examples Certain sym bols cannot be displayed at the same time Display Keypad Plus sign used to scroll up a men...

Page 20: ...y heating is permitted only AUTO or OFF can be selected as operating mode HEAT PUMP The control computer is controlled so that only the heat pump unit compressor is allowed to operate NOTE No peak hea...

Page 21: ...rating status text Message Meaning ROOM C Shows the set ROOM value Factory setting 20 C If the accessory room sensor is installed it first shows the actual tempera ture and then the desired indoor tem...

Page 22: ...heater demand Message Meaning DEFROST Indicates the temperature for defrost RAD FLOW LOW Indicates that the flow in the heating system is low Menu information 5 INFORMATION menu 5 1 The control compu...

Page 23: ...stomer if necessary AUTO Automatic operation with both heat pump and auxiliary heater permitted If no auxiliary heating is permitted only AUTO or OFF can be selected as opera ting mode By the customer...

Page 24: ...ve at an out door temperature of 5 C By the customer if necessary HEAT STOP This function stops all production of heat when the outdoor temperature is equal to or higher than the set heat stop value B...

Page 25: ...up sensor is connected and activated Used to change settings for heat curve 2 Menu text Description Adjusted by CURVE 2 Calculated shunt group temperature at 0 C outdoor temperature Shown as a graph t...

Page 26: ...n operating mode AUX HEATER the stop temperature for hot water produc tion is shown in brackets increased by 5 Not adjustable The computer calcula tes the temperature required to maintain the indoor t...

Page 27: ...actual pool temperature The set pool temperature is shown in brack ets Not adjustable SHUNT GROUP Shows the actual supply temperature The calculated supply temperature to the shunt group is within br...

Page 28: ...UMP Shows the total time in hours that the heat pump has been in operation since installation The number of operating hours includes the time for both heat production and hot water production Not adju...

Page 29: ...IME LAST DEFR The operating time of the compressor in minutes since last defrost Reset after a defrost is completed Not adjustable DEFROST CURVE Here the angle of the defrost curve can be changed usin...

Page 30: ...ent points in time over a 24 hour period 6 Adjust the ROOM value so that the reference room reaches your required indoor temperature of 20 21 C Remember that other rooms will have differ ent temperatu...

Page 31: ...er the right or left button once to open the INFORMATION menu The cursor is in the OPERAT menu option 2 Open your selection by pressing the right button once An asterisk indicates the current operatin...

Page 32: ...to the HEAT CURVE menu option 3 Open the menu by pressing the right button once The cursor is at the CURVE value 4 Select CURVE 5 CURVE 0 or CURVE 5 using the up or down buttons 5 Open your selection...

Page 33: ...ERATURE menu option 3 Open your selection by pressing the right button once 4 Press the down button to move the cursor to HOT WATER The value shown at the HOT WATER menu option is the hot water s curr...

Page 34: ...n once to open the INFORMATION menu The cursor is in the OPERAT menu option 2 Press the down button to move the cursor to the DEFROST menu option 3 Open the menu by pressing the right button once 4 Pr...

Page 35: ...he auxiliary heater starts automatically operating mode AUTO For further information about alarms see section 10 Troubleshooting Checking the water level in the heating system 8 2 The line pressure of...

Page 36: ...turning the cap a quarter of a turn clockwise until the valve lets out some water through the overflow pipe If the valve does not work properly it must be replaced Contact your installer see section 1...

Page 37: ...trainer 1 Switch off the heat pump 2 Turn the shut off cock to the closed position see figure above 3 Unscrew the cover and remove it 4 Remove the strainer 5 Rinse the strainer 6 Reinstall the straine...

Page 38: ...set in the menu HEAT CURVE ROOM FACTOR Default setting for ROOM FACTOR is 2 but can be adjusted from 0 no impact to 4 large impact The difference between the desired and actual indoor temperature is m...

Page 39: ...water production Not enough fluid in the brine sys tem Air in the brine system Blocked filter in the brine system Contact your installer HIGH PRESSURE ERROR HIGHPRESS ERROR The com pressor stops and t...

Page 40: ...se 20 C instead Electrical fault Contact your installer ERR PHASE SEQ The compressor in the heat pump is operating in the wrong direction and this means that only the auxiliary heater is maintaining h...

Page 41: ...eat transfer fluid circuit See section 2 About your heat pump for further information Refrigerant Is the fluid gas that transports heat from the air heat exchanger and supplies it to the heating syste...

Page 42: ...s made by the installation contractor in connection with installation of the heat pump Make sure that the installation contractor enters any settings made during installa tion that are particular to y...

Page 43: ...tion z z Direction of rotation of the compressor z z Outdoor sensor z z Accessories z z Function test safety valve z z Control computer z z Basic settings z z Test operation z z Manual test carried ou...

Page 44: ...DHP AX 44 VUBMI102 Installation carried out 13 2 PIPE INSTALLATION Date Company Name Tel No ELECTRICAL INSTALLATION Date Company Name Tel No...

Page 45: ...DHP AX 45 VUBMI102...

Page 46: ...VUBMI102...

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