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Danfoss DHP-R 7Ua, Руководство пользователя

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Danfoss DHP-R 7Ua Скачать руководство пользователя страница 41

VUBMG102

76*'+

Danfoss – 41

7  Digital inputs and outputs

On the front of the WM HPC unit there are led indicating the status of digital 
inputs and outputs. Below are tables of what the different inputs and outputs 
are connected to.

DIGITal OuT

usage

DO1

Start/stop compressor

DO2

Start/stop brinepump

DO3

Start/stop rad.pump

DO4

Channel 36

DO5

Block. extra heater

DO6

Sum alarm

DO7

System pump

DIGITal In

usage

DI1

High comressor current

DI2

High pump current

DI3

Control pressostat

DI4

Högtryckspressostat

DI5

Lågrtryckspressostat

DI6

Flowsensor

DI7

DI8

External brine start

Discharge pipe temp

Содержание DHP-R 7Ua

Страница 1: ...VU 102 user s manual CONTROL SYSTEM DHP R...

Страница 2: ...VU 102 2 Danfoss...

Страница 3: ...formation 21 3 6 Settings 21 3 6 1 Heat pump 21 3 6 2 Heating 23 3 6 3 Extra heater 24 3 6 4 Heat stop 24 3 6 5 Brine control 25 3 6 6 Hot water 25 3 6 7 WCS 26 3 6 8 TWC 26 3 6 9 Shunt groups 27 3 6...

Страница 4: ...76 4 Danfoss...

Страница 5: ...e An outdoor temperature sensor a primary supply temperature sensor and the system primary circulation pump are all connected to the mas ter control system The master can also control auxiliary heatin...

Страница 6: ...76 6 Danfoss...

Страница 7: ...erature is looked up in a curve This curve must be adjusted to fit the tem perature needs of the specific building it is to control The temperature that is looked up is used as a set point for the int...

Страница 8: ...multiple heat pumps If all the heat pumps are running but the integral still drops then the auxiliary heater is needed Start extra heater decides how much below the starting va lue for the last heat p...

Страница 9: ...The heater is started when the integral passes the limit for starting the auxiliary heater and is tur ned of when it rises above the limit for starting the last heat pump When the heater is started i...

Страница 10: ...in circulation pump to stand still for a long time There is therefore a pump exercise function Once every day the circulation pump is started and run for one minute The pump exercise times can be adju...

Страница 11: ...tion to start as the integral starts at zero In order to speed up the heating after a restart it is possible to activate forced start conditions If the primary supply temperature falls more than Lim f...

Страница 12: ...ope rating pressure switch is activated When a heat pump stops producing hot water it will instead produce heat for the building if there is a demand for heat 2 2 4 Top Up function Before hot water p...

Страница 13: ...if heater seldom reaches high tem peratures in normal operation 2 3 Heat pump restrictions 2 3 1 Time restrictions The heat pump has two time conditions that must be met if it is to be allowed to star...

Страница 14: ...ne circulation pump and one shunt valve and measure one temperature The purpose of the shunt module is to control the measured tem perature using the shunt valve The functiona lity can be configured f...

Страница 15: ...h a cooling system the cold side of the heat pumps are used to generate comfort cooling or cooling for other purposes To control a cooling system the module HPC CM is used 2 5 1 Cooling tank and integ...

Страница 16: ...n and disconnect the bore hole The brine will then circulate only through the cooling tank and the heat pumps so that maximum heat is removed from the cooling tank 2 5 2 Surplus heat dumping The heat...

Страница 17: ...emperature and relative humidity When connected the dew point con trol can be activated The control system will then calculate the dew point and if necessary raise the cooling circuit set point to avo...

Страница 18: ...76 18 Danfoss...

Страница 19: ...rom a menu and to abort editing without saving the value The red alarm LED is lit when an alarm is active If there are alarm that needs to be acknowledged the LED will blink When the operator panel is...

Страница 20: ...l press escape 3 3 Alarms The menu Active alarms shows all the alarms that are currently active if there are any The alarms monitor the occurrence of errors Some alarms indicate se rious malfunctions...

Страница 21: ...the heat pump and the rest of the system Under Running time run time information is found Under Databases the values stored in databases are listed First select one ca tegory and press Ok then select...

Страница 22: ...ing activates and inactivates the control pressostat alarm when the heat pump is producing heat Hot water stop cond This setting decides whether the heat pump should stop making hot water when the hot...

Страница 23: ...justed at diffe rent room temperature deviations from the set point Calendar room temp A week schedule that decides at what times the room temperature set point should be adjusted Can be used to lower...

Страница 24: ...rolled by the system Heat up delay Heat up delay time from when the extra heater blocking is released starting the burner until the shunt valve starts to use heat from the burner subsys tem Burner off...

Страница 25: ...m allowed number of running pumps Brine out min temp Lowest allowed temperature for outgoing brine Brine in min temp Lowest allowed temperature for incoming brine Brine in max temp Highest allowed tem...

Страница 26: ...hould not close completely this setting defines the minimum shunt signal 3 6 8 TWC Start temp out Temperature limit on the hot water outlet for starting the heater Stop temp out Temperature limit on t...

Страница 27: ...temperatures is set Only for outdoor temp compensated shunt groups Shunt 1 set point Set point for shunt groups keeping a constant temperature Shunt 1 outdoor temp stop Outdoor temperature at which th...

Страница 28: ...zero disables the control completely Circulation delay To allow cold water to be pumped up from the bore hole to the cooling tank before the valve is opened this setting defines a delay that begins wh...

Страница 29: ...e manual override sub menu lists all the outputs and some other signals that can be manually overridden In one setting the value to override the controller is chosen and another activates and deactiva...

Страница 30: ...ly the same module HPC EM The functionality is selected by dip switches on the front and if these are set wrong the module will be shown in the wrong sub menu list These modules will not work until ac...

Страница 31: ...rms are allowed to be sent during a 24 hour period This limit is there to prevent badly set alarm limits and frequently reoccurring errors from spending too much money on SMS When the max limit has be...

Страница 32: ...that uses Ethernet to upgrade software in the controller After 30 minutes the web passwords are reset to the values you get when you buy the web license regardless what they were before 3 8 13 Restor...

Страница 33: ...eat pump In each heat pump regardless of whether it is a master or slave configura tions have to be set as to whether it is connected to make hot water or not In the menu Settings Heat pump you will f...

Страница 34: ...if the sensor wiring is faulty The first step is therefore to check and get rid of all alarms However not all sensors have alarms and the absence of an alarm is not a guarantee that a sensor has been...

Страница 35: ...e settings regarding heat and hot water Among the important things to do is to adjust the set point curve for heat so that it corresponds to the needs of the specific building The last step would be t...

Страница 36: ...ture compensation curve is a kind of P factor for the controller Incorrectly set room temperature compensation can cause the primary supply temperature to oscillate and due to the high inertia of a bu...

Страница 37: ...to relevant personnel also becomes more common E mail thus becomes another way to connect WM HPC to superior supervisory systems 5 3 Control by external PLC In some cases there may be a need to contr...

Страница 38: ...5 4 The sum alarm relay output The heat pump control system has an alarm output that sends out 24 VAC as soon as any A or B alarm is active This signal can be used to send information to a superior c...

Страница 39: ...e Sensor supply temp B X A fault in the heat pump s supply temperature sensor has been detected Sensor return temp B X A fault in the heat pump s return temperature sensor has been detected Broken out...

Страница 40: ...trl err B X Large controller error on shunt group 6 Shunt 7 sensor B X Temperature sensor for shunt group 7 is faulty Shunt 7 ctrl err B X Large controller error on shunt group 7 Shunt 8 sensor B X Te...

Страница 41: ...d outputs are connected to DIGITAL OUT Usage DO1 Start stop compressor DO2 Start stop brinepump DO3 Start stop rad pump DO4 Channel 36 DO5 Block extra heater DO6 Sum alarm DO7 System pump DIGITAL IN U...

Страница 42: ...V6 42 Danfoss...

Страница 43: ...76 Danfoss 43 8 Menu overview...

Страница 44: ...76...

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