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Electrical Installation

7.1

Electrical connection

Caution! Electrical installation may only be carried out by an authorized electrician and must follow

applicable local and national regulations.

Caution! The electrical installation must be carried out using permanently 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.

DANGER! The terminal blocks are live and can be highly dangerous due to the risk of electric shock. The

power supply must be isolated before electrical installation is started. The heat pump is internally connected

at the factory.

Remove the front cover from the heat pump.

Pull the power supply cable through the opening in the rear of the heat pump to the terminal blocks.

Connect the supply cable to the designated terminal blocks.

See separate manual for wiring diagram.

DANGER! Electrical current! The power cable may only be connected to the terminal block intended for this

purpose. No other terminal blocks may be used!

Electrical cabinet layout

F10

F11

F0 F3 F4

Figure 14.

Electrical cabinet

Symbol explanation

Contactor compressor

Contactor brine pump

F10

Over current relay compressor.

F11

Over current relay brine pump

Fuse brine pump

Control fuse regulation, overheating

protection compressor

Control fuse heat addition

Control fuse Oil and Electricity

Terminal blocks for incoming supply

and temperature sensor as well as ter-

minal blocks for external components

Space for extra board

7.2

Connecting pump hot gas

Connect the hot gas pump to the designated terminal blocks. The voltage is 230 VAC. The pump is designed
to be placed outside the heat pump casing and must be connected with flexible hoses.

This pump runs in parallel with the compressor.
See separate manual wiring diagram.

18 – Installation instructions

VMIFJ102

Содержание DHP-S&DP

Страница 1: ...Installation instruc tions DHP S DP VMIFJ102 ...

Страница 2: ...otheapplicablewarrantyisnot binding Danfoss A S retains the right to make changes to com ponents and specifications without prior notice 2010 Copyright Danfoss A S The Swedish language is used for the original instructions Other languages are a translation of original instructions Directive 2006 42 EG ...

Страница 3: ...nstallation 18 7 1 Electrical connection 18 7 2 Connecting pump hot gas 18 7 3 Connecting sensor for outside temperature 19 7 4 Connecting hot water sensor 19 7 5 Connecting sensor for system supply temperature 19 7 6 Connecting exchange valve for hot water 19 7 7 Connecting room sensor option 19 7 8 Connecting pressure and flow sensor option 19 7 9 Connecting start and stop auxiliary heater 19 7 ...

Страница 4: ......

Страница 5: ...sibledangerthatcanleadtofatalorseriousinjuryifnecessary measures are not taken Caution Risk of installation damage Indicates a possible hazard that can lead to item damage if necessary measures are not taken A fourth symbol is used to give practical information or tips on how to perform a procedure Note Informationregardingmakingthehandlingoftheinstallationeasierorapossibleoperationaltechnical dis...

Страница 6: ... way and understand the hazards involved Cleaning and user maintenance shall not be made by children without supervision Note Children are not permitted to play with the apparatus 2 1 Refrigerant The heat pump s cooling system refrigerant circuit is filled with R410A refrigerant Caution Work on the refrigerant circuit must only be carried out by a certified engineer Caution Fire risk R410A is not ...

Страница 7: ...R410A voids all guar antees from Thermia Värme AB unless this new refrigerant has been approved in writing as an alternative refrigerant together with other corrective action Scrapping When the heat pump is to be scrapped the refrigerant must be extracted for disposal The local regulations for treatment of refrigerant must be followed See the relevant Swedish Environmental Protection Agency refrig...

Страница 8: ...rhold spanner Figure 2 Cut the hose to the correct length to avoid excess bowing out or stretching at bends Figure3 Cutthehosetothecorrectlengthtoavoidexcessbowing outorstretchingandoffsettheendssothatthehose is installed completely straight Figure 4 Use fixed pipe bends to avoid excess stress on bends next to connections 2 2 2 Preventative measures Some of the following points can also be used wh...

Страница 9: ... flexible hoses in position so that they do not lie against each other or create vibration bridges Ensure that electrical wiring is not put under strain if it is it creates vibration bridges If possible install the heat pump in a location that is sound insulated from areas that are frequented by residents Soundproofing measures to carry out afterwards Go through the aforementioned points and impro...

Страница 10: ...locks are live and can be highly dangerous due to the risk of electric shock The power supply must be isolated before electrical installation is started The heat pump is internally connected at the factory 8 Installation instructions VMIFJ102 ...

Страница 11: ...t in to heat pump 7 Lead in for communication cable 8 Lead in for incoming supply and sensor 9 Supply line sensor 10 Condenser with draining for primary side 11 Evaporator 12 Return sensor 13 Compressor 14 De superheater 15 Drying filter 16 Expansion valve 17 Heat transfer fluid pump 18 Coolant pump Installation instructions VMIFJ102 9 14 19 15 12 16 13 17 10 149 5 239 811 5 1054 5 1194 1250 106 1...

Страница 12: ...igure shows an example of how the pipes can be routed Note Remember not to tighten the pipes in the heat pump s panel casing as this transfers vibrations causing noise problems Symbol explanation 1 Coolant out from the heat pump 2 Heat return return line 3 Return line hot gas exchanger 4 Supply line hot gas exchanger 5 Heat supply supply line 6 Coolant in to the heat pump 3 3 Required service spac...

Страница 13: ... 5 4 6 Test pressure MPa 4 5 4 5 4 5 4 5 Design pressure MPa 4 3 4 3 4 3 4 3 Compressor Type Scroll Scroll Scroll Scroll Oil POE POE POE POE Electrical data 3 N Main supply Volt 400 400 400 400 Rated power compressor Rated power circulationpumps kW kW 9 91 0 5 12 40 0 5 14 83 0 6 19 12 0 6 Start current A 21 7 23 8 32 2 37 1 Fuse A 20 25 32 32 Performance COP1 Heating capacity1 Electrical power1 k...

Страница 14: ...R410A T brine C T water C 20 65 0 65 5 60 10 54 10 20 5 20 20 30 0 10 20 30 40 50 60 70 15 10 5 0 5 10 15 20 25 Twater C Tbrine C Min Max Operation Temperature R410A ...

Страница 15: ...2 3 3 4 Figure 10 Making holes Symbol explanation 1 Insert pipe 2 Brine pipe 3 Mortar 4 Sealant 1 Drillholesinthewallfortheinsertpipes 1 forthebrinepipes Followthedimensionandconnectiondiagrams If there is any risk of groundwater infiltration at brine pipe lead ins watertight grommets must be used 2 Position the insert pipes 1 in the holes sloping downwards The inclination must be at least 1cm eve...

Страница 16: ...te 2 Cut off the straps and remove the packaging 3 Lift the heat pump from the pallet 4 Install a condensation drain if required 1 Figure 11 Make sure that the heat pump is level using a spirit level Symbol explanation 1 Adjustable feet 5 Adjust using the adjustable legs 1 so that the heat pump stands upright and level on the floor 5 2 Removing the front cover Remove the front cover plate as follo...

Страница 17: ...2 1 Figure 12 Remove the front cover Symbol explanation 1 Screws 2 Front panel Installation instructions VMIFJ102 15 ...

Страница 18: ...ed in a continuous incline A continuous upwards slope means that the pipe must not slope downwards from the horizontal at any point Caution The brine circuit must be filled with the correct amount of fluid otherwise the installation may become damaged Ensure that system has the necessary pressure however not above maximum pressure of 6 bar Caution Heatingsystemswithclosedexpansiontanksmustalsobesu...

Страница 19: ... 77 Reversing valve 112 Expansion vessel closed 80 Shut off valve 115 Immersion heater 81 Filler valve 117 Auxiliary heat A heat pump can produce both heat and hot water With an external auxiliary heater oil boiler electric boiler district boiler or similar heat production is supported but not hot water production The exchange valve for heating and hot water is located ahead of the external auxili...

Страница 20: ... See separate manual for wiring diagram DANGER Electrical current The power cable may only be connected to the terminal block intended for this purpose No other terminal blocks may be used Electrical cabinet layout K2 K1 F10 F11 X1 F0 F3 F4 1 E1 1 F1 Figure 14 Electrical cabinet Symbol explanation K1 Contactor compressor K2 Contactor brine pump F10 Over current relay compressor F11 Over current re...

Страница 21: ... 7 5 Connecting sensor for system supply temperature The system supply sensor must always be installed on the system s supply pipe after the auxiliary heater The sensor must be positioned so that the heated water has been able to mix properly See separate manual for wiring diagram 7 6 Connecting exchange valve for hot water See separate manual for wiring diagram and exchange valve 7 7 Connecting r...

Страница 22: ...4 8 40 12 2 45 10 1 50 8 5 55 7 1 60 6 0 65 5 0 70 4 2 75 3 7 80 3 1 85 2 7 7 11 1 Measurement checking sensors during fault tracing 1 Disconnect the relevant sensor from I O card terminal block 2 Measure the resistance for the sensor and any extension cables 3 Then measure the sensor only Note To ensure the sensor value the actual temperature must be checked against the measured resistance 20 Ins...

Страница 23: ...o ensure that they have been correctly carried out Piping installation Electrical Installation 8 1 1 Piping installation heating system Pipe connections in accordance with the connection diagram Flexible hoses on the supply and return lines Surge tank on supply line Pipe insulation Strainer on return line Bleeding of the heating system All radiator valves fully open Expansion tank heating system n...

Страница 24: ... 8 2 2 Test the brine pump 1 Start the brine system s brine pump by setting the value BRINE PUMP to 1 2 Check that the brine pump is running by listening putting a hand on the pump checking that the level in the expansion tank is stable If the level is not stable there is air in the system listen for air 3 If the pump does not start automatically perform manual start 4 If there is air in the brine...

Страница 25: ...osition perform fault tracing 8 2 5 Test the compressor 1 Start the circulation pump by setting the value CIRC PUMP to 1 2 Start the heat pump compressor by setting the value HEAT PUMP to 1 At the same time as the value is set to 1 for HEAT PUMP the brine pump starts Warning Riskofburninjury thepressurepipeonthecompressorcangetupto70 80degreesintemperature after operating for a while Installation ...

Страница 26: ... stage by setting the value ADD HEAT 1 to 1 2 Check that the auxiliary heater step works by exiting the MANUAL TEST menu and entering the INFORMATION TEMPERATURE SUPPLY LINE menu and check that the temperature rises 3 Return to the menu MANUAL TEST and stop AUX HEAT 1 by setting the value back to 0 AUX HEAT 2 AUX HEAT 3 1 Repeat the steps in AUX HEAT 1 for AUX HEAT 2 and AUX HEAT 3 2 Stop the circ...

Страница 27: ...is a certain risk that the heat pump can be damaged components may move or get bent and this can cause noise Because of this it is important to check the heat pump when it has been installed and is ready to be commissioned to ensure that everything is in order The heat pump should be tested in both heating and hot water modes to ensure that there is no abnormal noise While doing this check that th...

Страница 28: ...care not to damage the front cover or display cables Install the front cover as follows 1 Align the upper section of the front cover 2 in both the side channels on the unit and slide it carefully downwards until it covers the entire front side 2 Tighten the front plate 2 with the screws 1 26 Installation instructions VMIFJ102 ...

Страница 29: ... the status of the heat pump 3 2 1 ROOM NO HEAT DEMAND OPERAT AUTO 20 C 20 C Figure 18 Display keypad and indicator Position Description 1 The display text and symbols are only shown as examples Certain symbols cannot be displayed at the same time 2 Keypad Plus sign used to scroll up a menu or increase the values Minus sign used to scroll down a menu or reduce the values Right arrow used to select...

Страница 30: ...ump is not powered When the light shines continuously the heat pump has power and is ready to produce heat or hot water Flashing means an active alarm Caution Duringaservicethatconsistsofreplacingthedisplaycard allheatpumpsettingsareresettofactory settings Therefore note current settings before replacement 11 1 SERVICE menu The SERVICE menu is for use during installation and service to optimise an...

Страница 31: ... EXT MANUAL TEST MANUAL TEST HEAT PUMP CIRC PUMP REV V HOT WATER SHUNT SYSTEM SHUNT HGW SHUNT AUX HEAT 1 AUX HEAT 2 AUX HEAT 3 EXT AUX HEATER EXT CIRC PUMP ALARM SHUNT COOLING SHUNT GROUP 2ND H C SHUNT PASSIVE COOLING COOLING A REV V POOL Expansion card 0 10V Table 7 Used to change the heat pump s default settings continued Menu Sub menu Sub menu Sub menu Sub menu SERVICE INSTALLATION SYSTEM HEAT ...

Страница 32: ...ERVICE TIME FACTORY SET CANCEL RADIATOR FLOOR RESET OPER TIME SENSOR CALIBRA TION OUTDOOR SUPPLY LINE RETURN LINE HOT WATER REFR 1 REFR 2 REFR 3 POOL SHUNT GROUP HGW TEMPERATURE BUFFER TANK 2ND HEAT CIR SYSTEM SUPPLY EXTERNAL FACTOR VERSION DISPLAY I O CARD LOG TIME DEFROST DEFR CURVE 0 DEFR CURVE XX STOP DEFR BELOW 5 C DEFR MIN TIME DEFR MAX RAD STMP FAN START FAN STOP REFR 3 30 Installation inst...

Страница 33: ...r directed towards the peak sensor 11 1 2 Sub menu HEAT PUMP Table 9 Used to change the heat pump s operating settings Menu selection Meaning Factory setting INTEGRAL A1 The integral s value for starting the heat pump See Important parameters for more information 60 min range 250 in 5 in HYSTERESIS If the difference between the actual supply temperature and the calculated supply temperature is too...

Страница 34: ...too great see Important parameters either the integral value is set to start value A1 A2 starts the auxiliary heater or to 0 stops the auxiliary heater 20 C range 5 C 30 C DELAY AFTER EVU Time in minutes Indicates how many minutes after EVU are to pass before the auxiliary heater may be activated 30M range 0M 120M Max Current Expansion card Refers to main fuse in the unit in amperes 20 range 16 35...

Страница 35: ...ual test with option of navigating from the SERVICE menu to check that the temperatures rise for example HEAT PUMP 0 stop heat pump 1 start heat pump Note The heat pump cannot be started in the event of an active alarm BRINE PUMP 0 stop the brine pump 1 start the brine pump CIRC PUMP 0 stop the circulation pump 1 start the circulation pump REV V HOT WATER 0 heating mode for the exchange valve 1 ho...

Страница 36: ... AUX HEATER 0 0V on plinth 283 1 control voltage 230V on plinth 283 ALARM 0 stop signal on output External alarm 1 start signal on output External alarm SHUNT COOLING closes shunt 0 shunt unaffected opens shunt SHUNT GROUP closes shunt 0 shunt unaffected opens shunt 2ND H C SHUNT closes shunt 0 shunt unaffected opens shunt Only at buffer tank PASSIVE COOLING 0 stop passive cooling 1 start passive ...

Страница 37: ...displayed if POOL is selected BUFFER TANK See separate instruction for buffer tank BUFFER TANK NO OF CIRCUITS SYSTEM SHUNT 2ND H C SHUNT ADDITION 0 10V Expansion card CURRENT LIMITER ON Expansion card SERVICE TIME Note Only used for test operation The heat pump counts 60 times as fast which means that the waiting times are eliminated during test operation 0 deactivates SERVICE TIME 1 activates SER...

Страница 38: ...an display history from 1 hour up to 60 hours ago The function is not active if there is an active alarm 1M range 1M 60M 11 2 Important parameters 11 2 1 Heat production calculating 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 temperature should be for water that is sent out in the heating system The he...

Страница 39: ...emperatures below 0 C a higher setpoint value is calculated and in the event of outdoor temperatures greater than 0 C a lower setpoint value is calculated 20 0 20 24 40 56 2 3 1 Figure 21 Increasing or reducing the CURVE changes the slope of the curve Position Description 1 Temperature C 2 Maximum setpoint value 3 Outdoor temperature C If the CURVE value is increased the heat curve will become ste...

Страница 40: ...r higher than the value entered for heat stop When the heat stop function is activated the circulation pump will be turned off except when hot water is being produced The circulation pump will be exercised for one minute per day The factory set value for activating heat stop is an outdoor temperature of 17 C If the heat stop function is active the outdoor temperature must drop 3 C when setting bef...

Страница 41: ...value 60 which starts the compressor and A2 factory set 600 which starts the auxiliary heater and A3 which starts the external auxiliary heater During heat production the deficit reduces and when the heat pump stops the inertia in the system causes a surplus of heat The integral value is a measurement of the area under the time axis and is expressed in degree minutes The figure below shows the fac...

Страница 42: ...ce during 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 equal to 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 forced to either the...

Страница 43: ...12 References Piping installation Date Company Name Tel No Electrical Installation Date Company Name Tel No System adjustment Date Company Name Tel No Installation instructions VMIFJ102 41 ...

Страница 44: ...terial Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss Heating Solutions and the Danfoss Heating Solutions logotype are trademarks of ...

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