Danfoss DHP-AL Скачать руководство пользователя страница 19 | Manualshive

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19

VMBME102

8.4

Higher hot water temperature

⚠

NOTE! Never connect the heat pump to provide a higher

temperature unless the heating or hot water systems require

it. Higher temperatures increase the load on the heat pump.

If necessary, the heat pump can be connected to produce hot-

ter water for the heating system and hot water system when it is

installed.

Figure 40: The pressure switches are installed on the compressor’s

pressure pipe.

1. Move the grey cables, which are normally connected to pres-

sure switch A, to pressure switch B.

B

A

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Содержание DHP-AL

Страница 1: ...VMBME102 Installation and service instructions DHP AL...

Страница 2: ......

Страница 3: ...Connecting the outdoor unit 15 6 7 Connecting the defroster sensor 15 6 8 Connecting the exchange valve 15 7 Brine installation 16 7 1 Connection diagram 16 7 2 Installing brine pipes 17 7 3 Filling t...

Страница 4: ......

Страница 5: ...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 w...

Страница 6: ...mpression angle joint 28x28 joint 9674 54168001 1 Pipe insulation IT 9x28 3311 55300001 1 Brine in Cu pipe in TWS packaging 9684 48342001 2 Rubber bellows for 22 32mm hole 9674 54164001 1 Pipe insulat...

Страница 7: ...ure 4 Outdoor unit components and connections Position Name 1 Outdoor unit 2 Cover 3 Front cover 4 Stand 5 Cover 6 Connection brine in 7 Connection brine out Figure 5 Water heater components and conne...

Страница 8: ...nstruc tions The indicator at the bottom of the control panel has two modes Lit steadily the installation has power and is ready to produce heat or hot water Flashing means an active alarm 2 2 Space r...

Страница 9: ...ps from the outdoor unit during defrost must be able to drain into the ground The outdoor unit must therefore not be positioned on asphalt or slabs where water cannot drain easily The outdoor unit s a...

Страница 10: ...ng the heat pump 4 Set up the heat pump and water heater in the installation site 5 Adjust the feet 1 so that they are horizontal 4 2 Removing the front cover NOTE Do not damage the electrical wiring...

Страница 11: ...front cover 6 10 Secure the cover using a screw on each side 7 Figure 17 Secure the cover Figure 18 Finishing by installing the cover 11 Hook the cover onto the stand NOTE Remember that the water tha...

Страница 12: ...ve at stainless steel water heater Bleed valve Safety valve 9 bar Filler cock Safety valve not included Heat pump Water heater Pipe connections in image 2 Water heater return pipe 4 Heating system sup...

Страница 13: ...available to purchase from Danfoss AS The following figures show how appropriate and inappropriate installations look using this type of hose To avoid noise caused by pipe mounting rubber coated clamp...

Страница 14: ...protection 11 Control computer 12 Soft starter card Only available for 400 V 6 1 Connecting the power supply three phase 400V AC NOTE The power cable may only be connected to the termi nal block inte...

Страница 15: ...lect the number of stages and 6 6 Connecting the outdoor unit NOTE The power cable may only be connected to the termi nal block intended for this purpose No other terminal blocks may be used For corre...

Страница 16: ...he same level or lower than the heat pump Bleed valve Moved supply pipe sensor for the brine system Safety valve 1 5 bar Shut off valve Filler cock Brine flow during defrosting Safety valve 1 5 bar He...

Страница 17: ...ir that gets into the brine system when cleaning the filter Figure 35 Filler cock Position Name 1 Cover strainer 3 Shut off valve 4 Shut off valve 5 Shut off valve 6 Strainer 7 Shut off valve Figure 3...

Страница 18: ...or is connected to a safety extra low voltage 1 Install the room temperature sensor somewhere in the house where the room temperature is relatively constant not in a hall way kitchen or a room with al...

Страница 19: ...her temperatures increase the load on the heat pump If necessary the heat pump can be connected to produce hot ter water for the heating system and hot water system when it is installed Figure 40 The...

Страница 20: ...ge inspection 9 2 Manual test Test operate and at the same time check the function of the tested components Activate MANUAL TEST 1 Ensure that the main circuit breaker is on 2 Select operating mode OF...

Страница 21: ...1 Open and remove the bleed screw on the front of the pump Normally a small amount of water comes out when it is removed 2 Insert a flat blade screwdriver and turn it in the direction of rotation of...

Страница 22: ...e most common alarms and corrective 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...

Страница 23: ...rees by the surrounding heat source The fluid filled hose is also known as a collector 2 The brine is routed into the first of the heat pump s heat exchangers evaporator The enclosed refrigerant in th...

Страница 24: ...The heat pump unit consists of five basic units 1 Heat pump unit Scroll compressor Stainless steel heat exchanger evaporator and condenser Circulation pumps for brine and heating systems Valves and sa...

Страница 25: ...utdoor unit a temperature of 11 C is maintained so that the air heat exchanger is defrosted sufficiently The exchange valve shifts back the direction of flow of the brine so that normal flow can be re...

Страница 26: ...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 out...

Страница 27: ...nd 10 C maximum adjustment being reached at 5 C The figure below shows the adjusted CURVE 5 The adjustment can be seen in the graph in the form of a bump Figure 49 The adjusted curve at 5 C You can ch...

Страница 28: ...cit is needed to start the heat pump and there are two integral values A1 and A2 which start the compressor and auxiliary heater During heat production the deficit reduces and when the heat pump stops...

Страница 29: ...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 30: ...enus 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 shows the...

Страница 31: ...operation Number of auxiliary power stages indicated by digit HOUSE Indicates that the 3 way valve position is for heat production for the house TAP Indicates that the 3 way valve s position is for ho...

Страница 32: ...essory flow switch is installed Alarm that indicates that the flow in the brine system is low SENSOR Alarm that indicates a faulty sensor HEATPUMP START MIN Indicates that there is a heating productio...

Страница 33: ...ATION OPERATION AUTO 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...

Страница 34: ...temperature of 5 C Shown in the graph for CURVE 0 C interval 5 C 5 C HEATSTOP Maximum outdoor temperature when heat production is permitted If HEAT STOP applies the outdoor temperature must drop 3 C b...

Страница 35: ...f COOLING is selected Shows the actual supply temperature The set point value is shown in brackets CURRENT Expansion card Only appears if CURRENT LIMITER is selected Shows the actual current con sumpt...

Страница 36: ...ALARM BRINE PRESSURE PIPE OUTDOOR STOP SHUNT COOLING ADD HEAT INTEGRAL A2 HYSTERESIS MAXSTEP MAX CURRENT SHUNTTIME HOT WATER STOP MANUAL TEST MANUAL TEST HEATPUMP BRINEPUMP CIRC PUMP VXV HOT WATER SH...

Страница 37: ...s maxi mum permitted temperature If this value is exceeded the compressor will stop and start again as soon as the temperature has dropped No alarm shown in the display however a square is shown in th...

Страница 38: ...xiliary heat step 1 ADD HEAT 2 0 stop auxiliary heat step 2 1 start auxiliary heat step 2 ADD HEAT 3 0 stop auxiliary heat step 2 1 start auxiliary heat step 3 SHUNT DEFR opens flow from the defrost t...

Страница 39: ...which speeds up the control computer s integral cal culation and start delay by 60 times FACTORY SET 0 starting point the value returns to zero after a change R reset factory settings for radiator sy...

Страница 40: ...arrow and by either pressing or changes the start temperature for defrosting EXTERIOR STOP 4 C interval EXTERIOR STOP 8 C EXTERIOR STOP 1 C DEFR TEMPERATURE The temperature shunted to the outdoor uni...

Страница 41: ...n outside sensor Zero degrees used for calculations SENSOR FRONT Incorrect supply pipe sensor Everything stops except circulation pump SENSOR RETURN Return sensor fault Return temperature Supply pipe...

Страница 42: ...oint of the mix using a refrac tometer If the mixture is not in accordance with the instructions it must be remixed in an external container This is because the fluids do not mix with each other well...

Страница 43: ...rogen through it to release the oil If this does not work it must be replaced Problem Alarm HP high pressure pressure switch Cause Troubleshooting Remedy 1 Blocked strainer in the heating system Check...

Страница 44: ...t sufficient pressure equipment the heating system can be adjusted according to the system solution for large pressure drop 12 Overfilled refrigerant circuit Using manometer apparatus and thermometer...

Страница 45: ...hen it receives signals from the control computer replace it 4 Defective or incorrectly set motor protec tion Use a hook on meter to establish when the motor protection deploys check what the motor pr...

Страница 46: ...urement check for 230 V on the incoming and outgoing connections If the overheating protection is defective replace it 4 Flow sensor fault Check what the flow sensor shows is it a plausible actual val...

Страница 47: ...losed bridge the pressure switch cables temporarily and switch on the current to the heat pump again If there is an indication in the dis play this means that the pressure switch is fault free and the...

Страница 48: ...he safety valve on the expansion ves sel on the hot side Try closing the filler valve and see if water stops dripping from the safety valve if not replace the filler valve 6 No condensation drain to h...

Страница 49: ...lled too close together If something seems to be incorrect accord ing to the troubleshooting window carry out corrective actions 4 Clicking Establish when clicking occurs during heating and or in conn...

Страница 50: ...or Problem Noise miscellaneous Cause Troubleshooting Remedy 1 Vibrating protective sleeves on the pres sure switches Establish where the vibration noise is com ing from Prevent the protection sleeve v...

Страница 51: ...production ends when the oper ating pressure switch opens Check the break pressure using manometer apparatus If the pressure switch opens at the incorrect pressure replace it The replacement pressure...

Страница 52: ...element are intact If the electric heating element is defective replace it 6 The heat pump has stopped on HIGH RETURN Check what the MAX RETURN value is set at in the heat pump s control computer It...

Страница 53: ...a larger proportion of time is used to produce hot water which means less time for heat pro duction only applies to VL systems If the heat pump cannot cope with the demand replace it with one with a h...

Страница 54: ...ry 14 8 Operational problem Miscellaneous Problem The heat pump runs and runs but never stops Cause Troubleshooting Remedy 1 Air in the heating system Listen for air in the heat pump and heating syste...

Страница 55: ...compressor runs back wards it will not cope with compressing the refrigerant and therefore does not pro duce the correct power which leads to the control computer requesting auxiliary heating If the t...

Страница 56: ...s tripped Check if the heat pump s control computer indi cates that the compressor is in operation and if there is voltage between soft starters A1 and A2 Then read off and check that there is voltage...

Страница 57: ...temperature by feeling the delivery pipe that should be hot not just warm even a little distance from the compressor if the phases are correctly sequenced When the compressor runs with the phases inc...

Страница 58: ...ich means less time for heat production only applies to VL systems If the heat pump cannot cope with the demand replace it with one with a higher output or sup plement it with a higher output auxiliar...

Страница 59: ...ient water volume A tight fitting system with poor pipe dimensions may produce the same phenomena Check if the heat pumps starts if the supply tem perature rises quickly whilst nothing happens to the...

Страница 60: ...ocated behind the outdoor unit 20 cm out from the rear side of the outdoor unit 2 Brine temperature in out Measurement check the temperatures with a thermometer If necessary calibrate BRINE IN and BRI...

Страница 61: ...4500 3000 4500 Noise level dB A 8 1 m from the unit 44 52 44 52 47 60 47 60 8 m from the unit 29 37 29 37 32 45 32 45 16 m from the unit 24 32 24 32 27 40 27 40 Nominal flow brine lit s 0 32 0 49 0 5...

Страница 62: ...VMBME102...

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