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VMBMA602

14.2 Main menu SERVICE

This menu is for use during installation and service to optimise and adjust the operation of the heat pump. Access the menu by holding the

left arrow in for five seconds. The sub menus available in the SERVICE menu are shown in the following table:

Menu

Sub menu

Selection/

settings

SERVICE

HOT WATER

START
HOT WATER TIME
HEATING TIME
TOPH. INTERVAL
TOPH. STOP
INFL. START SEN.
WEIGHT HOT WATER

HEAT PUMP

INTEGRAL A1
HYSTERESIS
MAX RETURN
START INTERVAL
ALARM BRINE
PRESS. PIPE
OUTDOOR STOP
SHUNT COOLING

AUX. HEATER

INTEGRAL A2
HYSTERESIS
MAX STEP
MAX CURRENT
SHUNT TIME
HOT WATER STOP

MANUAL TEST

MANUAL TEST
HEAT PUMP
BRINE PUMP
CIRC. PUMP
REV.V. HOT WATER
SHUNT 1
AUX. HEAT 1
AUX. HEAT 2
AUX. HEAT 3
SHUNT DEFR
FAN L
FAN H
EXT. AUX. HEATER
ALARM
SHUNT COOLING
SHUNT GROUP
HGW-SHUNT
PASSIVE COOLING
ACT COOLING
REV. V. POOL

INSTALLATION

ENGLISH
SYSTEM

HEAT SOURCE
HEATING SYSTEM
COOLING
POOL
SHUNT GROUP
ADDITION

SERVICE TIME
FACTORY SET
RESET OPER. TIME
SENSOR CALIBRATION
VERSION
LOG TIME
BRINE TIME ON
BRINE TIME OFF
TOPH. TIME
TOPH. TIME D

SERVICE CONT’D.

DEFROST

DEFR CURVE 0
DEFR CURVE -XX
DEFR TEMPERATURE
STOP DEFR
UNDER 5°C DEFR
MIN TIME DEFROST
DEFROST SENSOR

OPTIMUM

TEMP DIFF CIRC.
TEMP DIFF BRINE
START FLOW CIRC.
START FLOW BRINE
CONST.FL.CIRC
CONST.FL.BRINE
MIN FLOW CIRC.
MAX HW
MIN HW

HGW

HGW TEMP
TEMP DIFF
HOT WATER DIFF
HOT WATER TO RAD
MAX TEMP
START HGW
INITIALIZING HGW
INTEGRAL DELAY
HGW-SHUNT TIME
HGW INT. BOUND.
HGW INTEGRAL
PULSE WIDTH
PULSES

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Содержание DHP-H

Страница 1: ...VMBMA602 Installation and Service instructions DHP H DHP L DHP A DHP AL DHP C...

Страница 2: ...d during installation operation and maintenance Danfoss AS s liability according to the applicable warranty is not binding 2008 Copyright Danfoss AS Danfoss AS retains the right to make changes to com...

Страница 3: ...ing to system D or VLD 30 7 6 Changing the number of auxiliary heating power stages 30 7 7 Connect outdoor unit DHP A AL 30 8 Brine installation 31 8 1 Heat sources 31 8 2 Information collector pipe 3...

Страница 4: ...In normal use and normal conditions the refrigerant has low toxic ity However although the toxicity of the refrigerant is low it can cause injury or be highly dangerous in abnormal circumstances or wh...

Страница 5: ...n the front panel is flashing and an alarm text is displayed Restart the heat pump by first setting the operational mode to OFF and then back to previous mode AUTO HEATPUMP ADD HEAT HOT WATER Brine ci...

Страница 6: ...e heat pump Position Name 1 Brine in 28 Cu 2 Brine out 28 Cu 3 Heating system supply line 22 Cu 4 10 kW 28 Cu 12 16 kW 4 Heating system return line 22 Cu 4 10 kW 28 Cu 12 16 kW 5 Expansion line 22 Cu...

Страница 7: ...xiliary heating immersion heater 8 Brine in 9 Heating system supply line 10 Brine out 11 Brine pump brine system 12 Drying filter 13 Expansion valve 14 Hot water temperature sensor displays maximum te...

Страница 8: ...Cu 2 Brine out 28 Cu 3 Heating system supply line 22 Cu 4 10 kW 28 Cu 12 16 kW 4 Heating system return line 22 Cu 4 10 kW 28 Cu 12 16 kW 5 Expansion line 22 Cu 6 Hot water line 22 Brass 7 Cold water...

Страница 9: ...ng immersion heater 8 Brine in 9 Heating system supply line 10 Brine out 11 Brine pump brine system 12 Drying filter 13 Expansion valve 14 Hot water temperature sensor displays maximum temperature 15...

Страница 10: ...Dimensions and connections Figure 8 Position Name 1 Brine in 28 Cu 2 Brine out 28 Cu 3 Supply line heating system 22 Cu 4 Return line heating system 22 Cu 5 Expansion line 22 Cu 6 Hot water line 22 Br...

Страница 11: ...t cooling 7 Exchange valve heating hot water 8 Supply line sensor 9 Heating system circulation pump 10 Auxiliary heating immersion heater 11 Brine in 12 Heating system supply line 13 Brine out 14 Brin...

Страница 12: ...ensions and connections Figure 10 Position Name 1 Brine in 28 Cu 2 Brine out 28 Cu 3 Heating system supply line 22 Cu 4 10 kW 28 Cu 12 16 kW 4 Heating system return line 22 Cu 4 10 kW 28 Cu 12 16 kW 5...

Страница 13: ...aporator insulated 5 Heating system circulation pump 6 Supply line sensor heating system 7 Brine out 8 Brine pump brine system 9 Drying filter 10 Expansion valve 11 Control panel for control equipment...

Страница 14: ...outlet brine circuit DN25 int 10 Safety valve for temperature and pressure mounted only on cer tain models see chapter 6 Outdoor unit Dimensions and connections Figure 13 Position Name 1 Brine in from...

Страница 15: ...ne pump brine system 10 Brine in 11 Drying filter 12 Expansion valve 13 Brine out to outdoor unit 14 Hot water temperature sensor displays maximum temperature 15 Control panel for control equipment 16...

Страница 16: ...ing defrosting 28 Cu 12 Domestic hot water 22 Cu 13 Cold water 14 Supply to water heater coil 15 Brine expansion outlet when outdoor unit is positioned at high level 16 Lead in sensor lead 17 Safety v...

Страница 17: ...13 Brine in to defrosting tank during defrosting 14 Condenser 15 Compressor 16 Low pressure pressostat 17 Operating pressostats 18 High pressure pressostat Water heater components and connections Figu...

Страница 18: ...824 1 Expansion and bleed tank without valve 086U0026 5 Rubber collar hole 22 32mm 086U6033 2 Flex hose DN20 L 550 086U6006 1 Filling device brine DN25 086U6005 1 Dirt filter with shut off DN20 Sizes...

Страница 19: ...n its back should be as short as possible After the heat pump has been lifted up again it must stand upright for at least an hour before commissioning 2 10 Space requirement To facilitate the installa...

Страница 20: ...labs or cast footings 3 Drilling holes for brine pipes NOTE Ensure that the holes for the insert pipes are posi tioned so that there is room for the other installations NOTE The brine pipes shall have...

Страница 21: ...orward and then upwards and outwards to remove them Covers Figure 27 8 Slacken off the screws that hold the rear panel and remove it 9 Disconnect the electrical connectors at the exchange valve cir cu...

Страница 22: ...el 2 Tilt the front cover outwards 3 Lift the front cover upwards to remove it from the heat pump 5 3 Unpacking and installing the outdoor unit Applies to DHP A AL The outdoor unit is packed and deliv...

Страница 23: ...nt cover Use only the three screws screwed into the outdoor unit see figure below Use only 3 x M6x15 torx TX25 Secure the cover Figure 36 Assembling the cover and cover plate 15 Hook the cover at the...

Страница 24: ...omponents and parts included in the delivery in italics Selecting the heating system The heat pump is set to VL system on delivery that is with an inte grated electrical auxiliary heater and an exchan...

Страница 25: ...pipe connection DHP L Figure 44 DHP AL connection diagram VL system General connection diagram DHP AL Figure 45 Position Name 1 Supply line 2 Return line 3 Heat pump part of the delivery 4 Safety valv...

Страница 26: ...but with an external auxiliary heater often a boiler that is fired with solid fuel in combi nation with a DHP A or DHP AL DHP A s integrated exchange valve is replaced by an exchange valve that is loc...

Страница 27: ...t water pipes with all the neces sary components according to the connection diagram for the relevant system 6 6 Connecting the heating system supply and return lines All pipes should be routed in suc...

Страница 28: ...nently routed cables It must be possible to isolate the power supply using an all pole circuit breaker with a minimum contact gap of 3 mm The maximum load for externally connected units is 2A Electric...

Страница 29: ...ould be positioned between the second and third storeys Its location must not be completely protected from the wind but not in a direct draft The outdoor sensor should not be placed on reflective pane...

Страница 30: ...ted quick connector 9 Move the supply line sensor out to the position shown in the connection diagram for the VLD system In the control computer To change to system D or VLD 1 Ensure that the main cir...

Страница 31: ...r and is then returned through another borehole The heat pump has a short brine circuit that works directly against the separate groundwater exchanger Ground water as heat source Figure 60 When ground...

Страница 32: ...f high liquid speeds with risk of corro sion noise problems 8 4 Connection of several brine coils When several brine coils are used for a heat pump installation regardless of what heat source is used...

Страница 33: ...e 1 5 bar 9 Bleed and expansion tank 10 Shut off valve DHP A General connection diagram brine pipes DHP A Figure 67 Position Name 1 Brine in 2 Brine out 3 Shut off valve 4 Shut off valve 5 Shut off va...

Страница 34: ...ated Applies to DHP A AL Bear in mind that the outdoor unit may move during defrosts use flexible hoses to connect the pipes from the heat pump and pipes on the outdoor unit 8 7 Filling the brine syst...

Страница 35: ...e to 0 at the same time leave the external pump running 14 Open valve 4 with the external pump running to eliminate the air between the valves 3 and 5 15 Close valve 3 and pressurise the system using...

Страница 36: ...or it is calibrated by holding in both buttons for 15 seconds until the display starts to flash 5 Set the actual room temperature that the thermometer shows 6 Wait 10 seconds until the display stops f...

Страница 37: ...nector on brine in Insulation in the outside wall lead in Other brine pipe insulation Bleeding of brine system Leakage inspection 10 2 Manual test Test operate and at the same time check the function...

Страница 38: ...comes out when it is removed 2 Insert a flat blade screwdriver and turn it in the direction of rotation of the pump clockwise 3 Reinstall the bleed screw with its rubber seal Adaptation to the heatin...

Страница 39: ...e actions Demonstrate how to navigate the control computer and which settings the customer can set themselves Demonstrate how to view history and operating times Show the pipe installation and go thro...

Страница 40: ...oduced during this process is released by the slightly heated brine 3 The refrigerant that now contains a large quantity of energy in the form of heat is transferred to the compressor which both incre...

Страница 41: ...g operation the coil is cooled by the energy exchange at the same time as the humidity causes it to become covered in frost DHP A AL models have an automatic function to defrost the coil using the pro...

Страница 42: ...s that a flow over the de superheater to the water heater The flow through the shunt is continuously regulated by the heat pump control by sending opening or closing pulses to the shunt 12 7 Auxiliary...

Страница 43: ...ionella function tries again In the control computer s TEMPERATURE menu a number of measured and calculated temperatures for the hot water and supply are displayed The current hot water temperature 2...

Страница 44: ...E by means of a graph in the display You can set the heat curve by adjusting the CURVE value The CURVE value indicates the supply temperature of the water to be sent out to the heating system at an ou...

Страница 45: ...sed for a temporary raise or drop For long term increases or reductions of the indoor temperature the heat curve is adjusted instead Sometimes at outdoor temperatures between 5 C and 5 C part of the h...

Страница 46: ...he time interval between the measurement points can be 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 th...

Страница 47: ...t2 If the difference is the same or greater than the set HYSTERESIS value x i e there is a heat demand or the heat demand disappears quicker than the usual integral calculation the integral value is f...

Страница 48: ...he value for DEFR CURVE 0 and DEFR CURVE 20 by means of a graph in the display Graph that shows how the value for DEFR CURVE 0 can be set Figure 89 The value for OUTDOOR STOP that is set means that th...

Страница 49: ...the menus and increase or reduce the set values An up button with a plus sign A down button with a minus sign A right button with a right arrow A left button with a left arrow The display always show...

Страница 50: ...ls Symbol Meaning HP Indicates that the compressor is in operation LIGHTNING Indicates that the auxiliary heater is in operation Number of auxiliary power stages indicated by digit HOUSE Indicates tha...

Страница 51: ...he motor protection has deployed BRINEFLOW LOW Appears if the accessory flow switch is installed Alarm that indicates that the flow in the brine system is low SENSOR Alarm that indicates a faulty sens...

Страница 52: ...HEATPUMP ADD HEAT HOT WATER MANUAL TEST HEATCURVE CURVE MIN MAX CURVE 5 CURVE 0 CURVE 5 HEATSTOP REDUCTION ROOM FACTOR POOL POOL HYSTERESIS HEAT CURVE 2 Expansion card CURVE 2 MIN MAX TEMPERATURE OUT...

Страница 53: ...f 5 C Shown in the graph for CURVE 0 C interval 5 C 5 C CURVE 0 Local increase or reduction of CURVE at an outdoor temperature of 0 C Shown in the graph for CURVE 0 C interval 5 C 5 C CURVE 5 Local in...

Страница 54: ...STOPP 5 is shown within brackets Return line Shows the actual return temperature The stop temperature MAX RETURN is within brackets HOT WATER Shows the actual hot water temperature INTEGRAL Shows the...

Страница 55: ...The operating time of the compressor in minutes between the 2 last defrosts TIME SINCE DEFROST The operating time of the compressor in minutes since last defrost FAN H OFF AT Fan high speed is deacti...

Страница 56: ...PUMP BRINE PUMP CIRC PUMP REV V HOT WATER SHUNT 1 AUX HEAT 1 AUX HEAT 2 AUX HEAT 3 SHUNT DEFR FAN L FAN H EXT AUX HEATER ALARM SHUNT COOLING SHUNT GROUP HGW SHUNT PASSIVE COOLING ACT COOLING REV V PO...

Страница 57: ...ther infor mation 60 interval 5 250 HYSTERESIS If the difference between the actual supply temperature and the calculated sup ply temperature is too great either the integral value is set to start val...

Страница 58: ...pplies to the VL system The value is read off by the hot water sensor 60 C interval 50 C 65 C Sub menu SERVICE MANUAL TEST Used to manually test and test operate the heat pump s components or signal o...

Страница 59: ...SWEDISH Language setting for the control computer SWEDISH SVENSKA NORSK SUOMI DEUTSCH NEDERLANDS ENGLISH FRANCAIS POLSKI DANSK SYSTEM NOTE The menu selec tion in the SYSTEM menu varies depending on t...

Страница 60: ...e cooling 90S interval 10S 90S BRINE TIME OFF Switch off delay for brine pump in seconds 30S interval 10S 60S TOPH TIME Deactivates time period for peak heating charging does not apply to system D ON...

Страница 61: ...nd 10 is high volt age 10V interval 3V 10V CONST FL CIRC If TEMP DIFF CIRC is set to XX the flow is continuous with this value in the heat ing system Value indicated in Volts 7V interval 3V 10V CONST...

Страница 62: ...AL DELAY Delay of integral calculation in seconds after the integral value for HGW has been reached 10S interval 5S 120S HGW SHUNT TIME The time that the signal is active to open or close the HGW shun...

Страница 63: ...RETURN Return sensor fault Return temperature Supply line 5 is used Calculated supply tem perature limited to maximum 45 C SENSOR HOT WATER Fault on sensor for start temperature No hot water producti...

Страница 64: ...UBE R404A 12 0 kW From fully closed position screw 5 25 turns out Danfoss TUBE R404A 15 3 kW From fully closed position screw 2 75 turns out Danfoss TUBE R407C 11 0 kW From fully closed position screw...

Страница 65: ...of ice under and around the outdoor unit 85 Problem Water run off by the outdoor unit risk of moisture problems in house foundations 85 Problem Alarm LP low pressure pressure switch Cause Troubleshoot...

Страница 66: ...d that the bulb is correctly installed If the overheating reading does not cor respond with the instructions for the specific refrigerant adjust the expansion valve until the correct value is obtained...

Страница 67: ...does not open Incorrect pressure switch installed Same or higher break pressure than high pressure pres sure switch See marking Pressure switch fault opens at a higher pres sure than indicated mark p...

Страница 68: ...for example try blowing nitrogen through it to release the oil If this does not work it must be replaced Problem Alarm MS motor protection Cause Troubleshooting Remedy 1 Phase drop or blown fuse Check...

Страница 69: ...e the incorrect sequence When the compressor is running check the delivery pipe temperature by feeling the deliv ery pipe that should be hot not just warm even a little distance from the compressor if...

Страница 70: ...st the ohm table in the Measurement points section If the sensor is defective replace it 2 Brine temperature too low Check the set value on ALARM BRINE in the heat pump s control computer The alarm is...

Страница 71: ...uctions for the specific refrigerant adjust the expansion valve until the correct value is obtained See separate instructions for cooling techniques If overheating cannot be adjusted with the expansio...

Страница 72: ...the winter water surrounding the hoses in the borehole can freeze In some cases the ice can push against the hoses slightly Due to the reduction in volume in the hose the anti freeze fills the expansi...

Страница 73: ...ne whether the compressor is unu sually loud If the compressor is defective replace it Problem Shrieking whistling noise Cause Troubleshooting Remedy 1 Whistling expansion valve 1 Take overheating rea...

Страница 74: ...Check that the start temperature is correctly set Should not be set above the factory set value If the start value is set too high reduce it to the factory set value If the system has a high 8 C brine...

Страница 75: ...ng Remedy 1 The heat pump s control computer is not set adjusted to the customer s require ments wishes Check the ROOM and CURVE and MAX set tings Adjust incorrect values in the heat pump s control co...

Страница 76: ...MAXSTEP 5 15 kW only DHP A Check the set value on MAXSTEP in the heat pump s control computer If necessary adjust the MAXSTEP value in the heat pump s control computer MAXSTEP 1 3 kW MAXSTEP 2 6 kW M...

Страница 77: ...the outdoor temperature 2 Sensor fault OUTDOOR ROOM Supply line Check what the relevant sensor shows is it a plausible actual value Measure the resistance of the sensor check against the ohm table in...

Страница 78: ...ear external doors windows and heat sources Install the outdoor sensor according to the instructions and calibrate it if necessary OTHER Problem The heat pump runs and runs but never stops Cause Troub...

Страница 79: ...eck what the return line sensor shows is it a plausible actual value If not take a resistance reading from the sensors and check against the ohm table in the Measurement points section If the MAX RETU...

Страница 80: ...mpressor has been stopped by the operating pressure switch or delivery pipe sensor Check if a square appears in the display s lower let corner if so the operating pres sure switch is open or the deliv...

Страница 81: ...heck what the difference between the supply and return line is using a thermometer t The difference should not be more than 4 C A greater t results in reduced efficiency in the heat pump If the differ...

Страница 82: ...pipe temperature gets so hot that the compressor stops start by leak tracing the unit Rectify the leak if a leak is found If no leak is found try draining and refilling the unit and then restarting th...

Страница 83: ...re appears to be a leak in the refriger ant circuit carry out leak tracing and any necessary corrective action If leak tracer is not available brush soap water on the suspected leak and look for bubbl...

Страница 84: ...itioning the outdoor unit Determine whether the outdoor unit can be moved to a more suitable location When positioning the outdoor unit its direction does not affect its performance The outdoor unit d...

Страница 85: ...ing cable may have to be installed in the drainpipe Problem Water run off by the outdoor unit risk of moisture problems in house foundations Cause Troubleshooting Remedy Insufficient drainage During s...

Страница 86: ...iliary heater compressor off 7 15 kW auxiliary heater compressor off 8 Nominal flow heating circuit 10K cooling circuit 3K 9 Pressure drop that must not be exceeded outside the heat pump without the n...

Страница 87: ...compressor off 7 15 kW auxiliary heater compressor off 8 Nominal flow heating circuit 10K cooling circuit 3K 9 Pressure drop that must not be exceeded outside the heat pump without the nominal flow b...

Страница 88: ...iary heater compressor off 7 15 kW auxiliary heater compressor off 8 Nominal flow heating circuit 10K cooling circuit 3K 9 Pressure drop that must not be exceeded outside the heat pump without the nom...

Страница 89: ...heater compressor off 7 15 kW auxiliary heater compressor off 8 Nominal flow heating circuit 10K cooling circuit 3K 9 Pressure drop that must not be exceeded outside the heat pump without the nominal...

Страница 90: ...5 kW 7 Pressure drop that must not be exceeded outside the heat pump without the nominal flow being reduced For the cooling circuit these values require a pipe of 40x2 4 8 Nominal flow heating circuit...

Страница 91: ...pump with 9 kW auxiliary heater 1 N 4 5 kW 7 Pressure drop that must not be exceeded outside the heat pump without the nominal flow being reduced For the cooling circuit these values require a pipe of...

Страница 92: ...kW auxiliary heater 1 N 1 5 kW 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 7 Pressure drop that must not be exceeded outside the heat pump withou...

Страница 93: ...ry heater 1 N 4 5 kW 7 Pressure drop that must not be exceeded outside the heat pump without the nominal flow being reduced For the cooling circuit these values require a pipe of 40x2 4 8 Nominal flow...

Страница 94: ...ry heater 1 N 1 5 kW 5 Heat pump with 6 kW auxiliary heater 1 N 3 kW 6 Heat pump with 9 kW auxiliary heater 1 N 4 5 kW 7 Pressure drop that must not be exceeded outside the heat pump without the nomin...

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