Bosch EHP 6-11 LM User And Installation Manual Download Page 76

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TECHNIC

AL INF

ORMA

TION

Technical information

Technical information single-phase models

Compress 3000

EHP7LW/M EHP9LW/M

11 LW/M

Emitted/ Supplied output at 0/35°C

7.2/1.7

9.1/2.1

10.6/2.4

Emitted/ Supplied output at 0/50°C

6.8/2.2

8.5/2.7

10.0/3.2

Minimum fl ow heating side

l/s

0.18

0.22

0.26

Nominal fl ow heating side

l/s

0.25

0.31

0.38

Maximum pressure available heating side (at nominal fl ow)

kPa

Nominal fl ow of antifreeze mixture to the collector hose

l/s

0.38

0.46

0.57

Maximum pressure available to collector hose (at nominal fl ow)

kPa

Type of antifreeze

Bioethanol - water or

Propylene/ethylene glycol - Water

Maximum pressure heating side

bars

1.5

Maximum pressure on collector hose side

bars

Maximum outgoing temperature to the heating system

°C

Working temperatures on collector hose side

°C

-5 to +20

Integrated collector hose and heat carrier pump

Yes

Power supply

230V 1N~ 50Hz

Additional heat settings

3.0 / 6.0 / 9.0

The recommended type of fuse depends on the electrical output

6 kW electric cassette

9 kW electric cassette

AaM

Starting current. soft start

23.8

30.9

34.6

Compressor

Scroll

Type R407c HFC refrigerant

1.60

1.80

2.40

Connection for heat fl uid out/in

Cu 22

Out/in collector hose connection

Cu 28

Dimensions of Model LW (LwDxH)

600x600x1520

Weight of model LW

152

155

170

Dimensions of Model LWM (LwDxH)

600x600x1800

Weight of model LWM Hot water heater in stainless steel

201

210

218

Integrated hot water heater with double shell on model LWM.

Stainless steel

Hot water heater model LWM

litres

185

Control unit

Rego 637

Output data at 0/35°C and min heating medium fl ow are stated according to the European standard EN 255.

Output data at 0/50°C and maccord. to clockeating medium fl ow are stated according to the European standard EN 255.

aM type fuse, D curve circuit breaker

Electric anode included

Summary of Contents for EHP 6-11 LM

Page 1: ...En User and Installation Guide 6 720 642 634 2009 11 Heat Pump Compress 3000 EHP 6 11 LW M EHP 6 17 LW ...

Page 3: ...ting 15 Set the desired room temperature 18 Set the heat pump for extra hot water 18 Heating and hot water settings 19 Read the temperatures on the heat pump 19 Extra functions Customer level 2 21 Menu outline for Extra functions Customer level 2 21 Temperature settings 22 Set extra heat curve with mixing valve 23 Hot water settings 24 Timer control 24 Reading operating times on the heat pump and ...

Page 4: ...internal water and bypass 55 LW model individual temperature control in each room increasing volume of internal water and bypass 56 LWM model Increasing volume of internal water without bypass 57 LW model Increasing volume of internal water without bypass 58 Filling water in the heating system 59 Filling the heat transfer fluid in the collector hose 59 Connecting the heat pump to the power supply ...

Page 5: ...ontrol and monitoring function that stores important settings about the heat pump s operation and maintenance The settings are made by the installer and the user via a control panel on the front of the heat pump Settings intended for the user are presented under the headings Basic functions and Extra functions When the heat pump has been installed and started there are a number of points you shoul...

Page 6: ...sure and water then boils at 80ºC The refrigerant in the heat pump acts in the same way the boil ing point changes when the pressure changes However the boiling point of the refrigerant is as low as approxi mately 40ºC at atmospheric pressure Consequently it is also suitable for low heat source temperatures Note Rock heat Soil heat Lake heat The heat pump consists of four main parts 1 Evaporator T...

Page 7: ...d into the condenser The condenser transfers the heat to the house s heating system radiators and floor heating and the hot water system The vapour is cooled in the condenser and becomes fluid The pressure in the refrigerant is still high when it is led on to the expansion valve The refrigerant pressure is lowered in the expansion valve At the same time the temperature also drops to approximately ...

Page 8: ...dial Distribution box The distribution box is enclosed It houses a reset function for the motor cut out as well as miniature circuit breakers MCB for the heat pump and electric cassette Heat transfer fluid pump The pump is insulated and features an anti corrosive finish It ensures the heat transfer fluid circulates from e g the rock to the heat pump Control unit The control unit is enclosed It con...

Page 9: ...d circulates from e g the rock to the heat pump Control unit The control unit is enclosed It controls and monitors all heat pump functions Expansion valve Lowers the pressure of the refrigerant that enters the evapora tor and collects energy from e g the rock Sight glass Sight glass to check the level in the refrigerant circuit Air bubbles must not form in the sight glass when the heat pump is run...

Page 10: ...ump can once again manage heating on its own the additional heat is automatically disconnected Hot water is given priority over heating water In a house with water based heating a difference is made between heating water and hot water The heating water is for radiators floor heating and hot water is for showers and taps Hot water is heated in a hot water heater The hot water heater is fitted with ...

Page 11: ...re with the help of a number of settings such as selecting the heat curve on the control unit A lower curve gives higher energy savings Control with outdoor sensor supplemented with room sensor Control with an outdoor sensor supplemented with a room sensor means that you also place a sensor in a central position inside the house This is connected to the heat pump and provides the control unit with...

Page 12: ...The heat pump is off Alarm status Lamp flashes A fault has occurred in the heat pump Lamp on The alarm has been acknowledged but the fault remains Temp incr decr Temp incr decr Pressing once gives a shortcut to the most frequent temperature settings Info Pressing once gives continuous information about the heat pump s and additional heat s operating conditions Menu Press once to enter the main men...

Page 13: ...ttons changes depending on which window you are currently in Example If from the initial menu you press the Heat button you will access the menu Temp incr decr In this menu you can increase and decrease the heating in the house Note that the significance of the buttons has now changed You can either return to the initial menu by pressing the Return button or you can choose to change the heating se...

Page 14: ... Main menu Monitor all temperatures 3 Page 19 Temperature readings Return radiator GT1 Temperature readings Out GT2 Temperature readings Hot water GT3 Temperature readings Shunt flow GT4 Temperature readings Room GT5 Temperature readings Compressor GT6 Temperature readings Heat trfluid out GT8 Temperature readings Heat tr fluid in GT9 Temperature readings Ht trfld coll inGT10 Temperature readings ...

Page 15: ...ed by the outdoor temperature When the weather becomes colder the heat pump ensures more heating is produced automatically Return temperature The return temperature is the temperature of the water that returns to the heat pump from the radiators The water led out from the heat pump to the heating system is normally 7 10ºC higher than the return temperature When the outdoor temperature is 10ºC and ...

Page 16: ... return tempera ture of 35ºC when it is 0ºC outdoors If the outdoor temperature drops we can see that the return temperature increases The colder the outdoor temperature the higher the return temperature At an outdoor tempera ture of approximately 30ºC we see the curve slope has nearly reached the limit value 57ºC for the return temperature You should wait at least two days when increasing or decr...

Page 17: ...ure ºC By using the menu dial on the control panel the fine tuning line has been moved up so the heat pump produces more heat In warm weather above 5ºC If you are not satisfied with the indoor temperature when it is warmer than 5ºC outdoors you should offset the curve in the Temp fine tune menu This is what to do 1 Press the Heat button in the initial menu 2 Turn the menu dial clockwise until you ...

Page 18: ... a connected room sensor The range is 10ºC to 30ºC Set the heat pump for extra hot water You can obtain extra hot water by temporarily increasing the temperature of the water in the hot water cylinder This may be appropriate when for example a large number of people need to shower You choose how long the function should run using the Extra hotwater menu This is what to do 1 Press the Heat button i...

Page 19: ...n the heat pump Each sensor plays an important part in the heat pump s daily operations It may for example adjust the heat production so that the pump does not become overheated Proceed as follows to read the temperatures on the heat pump 1 Press the Menu button in the initial menu 2 Turn the menu dial clockwise until you reach the menu Monitor all temperatures menu 3 3 Press the Select button 4 T...

Page 20: ...together with a room sensor The menu shows the set point value and present temperature in the room where the sensor is fitted The menu shows the compressor s working temperature The temperature varies between 70ºC and 125ºC during operations The menu shows the temperature of the radiator water as it leaves the heat pump It varies depending on the outdoor temperature and whether the heat pump is ac...

Page 21: ...the Heat button until Access CUSTOMER2 is displayed Initial menu The menu display is standard on all heat pumps The menu display is only shown on the heat pump in combination with an extra sensor or for a specific model Heat curve fine tuning 1 3 Page 22 Menu principal Room temp set ting 1 Page 23 V3V interv 0 10 1 5 Page 23 Adjust V3V range 10 10 1 6 Page 23 Adjust curve V3V 1 7 Page 23 Setting o...

Page 22: ...nes the heat curve Consequently it is important the basic setting of the heat curve s slope and fine tuning are correct Holiday mode The menu is only shown for heat pumps having a room sensor installed The holiday function gives you the possibility to choose a number of days when the room temperature will be lowered to 15ºC the temperature is not adjustable When the days have passed the heat pump ...

Page 23: ... heat curve Turn the menu dial anti clockwise to choose a lower heat curve 6 Save the new value by pressing the Save button Note The initial position of the floor heat ing circuit is heat curve 2 The scale covers the range 0 to 10 Extra heat curve with mixing valve only works with an extra flow sensor T4 GT4 Fine tune the mixing valve 1 Press the Heat button until Access CUSTOMER2 is displayed 2 P...

Page 24: ... access the menu Clock setting HP accord to clock menu 4 1 2 Press the Select button 3 Turn the menu dial clockwise to choose the day Now press the Adjust button to select the weekday with the symbol Turn the menu dial clockwise one step to activate the start day The weekday now has a capital letter 4 Press the right hand arrow until the cursor reaches the first two zeros 00 Extra functions Custom...

Page 25: ...1 ap plies to all active time intervals Clock setting of the hot water according to clock The Clock setting DHW accord to clock menu 4 3 works in exactly the same way as Clock setting HP accord to clock menu 4 1 You can choose to completely disable hot water heating to save energy This is primarily effective when peak tariffs are charged The procedure is the same as in the previous example Use thi...

Page 26: ...entage The number of hours additional heat has been in operation The menu shows the number of hours additional heat has been in operation since the day of installation Set the time and date The heat pump has functions that are dependent on both the clock and date Thus it is important that these are correct This is how you access the menu Clock setting time and date 1 Press the Heat button until Ac...

Page 27: ...in chronological order Read more about the heat pump s alarms under the heading All alarms Return to the heat pump s factory settings If you want to restore the factory settings on the heat pump you can easily reset all the settings you have made This is how you access the Return to factory settings menu menu 12 1 Press the Heat button until Access CUSTOMER2 is displayed 2 Press the Menu button 3 ...

Page 28: ...ront cover from the heat pump 1 Unscrew the two screws on the top See the picture 2 Tilt the front cover towards you 3 Lift the front cover up to release the lower edge Sight glass Sometimes when the heat pump has started you can see the fluid in the refrigerant circuit bubble for a few minutes in the sight glass This is completely normal However if it bubbles continuously you should contact your ...

Page 29: ...e filters on both the hot and cold sides To clean the particle filters 1 Shut down the heat pump using the ON OFF button 2 Close the valve and unscrew the sealing cap 3 Loosen the circlip holding the screen in the valve Use the supplied circlip pliers 4 Lift out the screen from the valve and wash clean with water 5 Refit the screen the circlip and sealing cap 6 Open the valve and start the heat pu...

Page 30: ...ould several alarms have occurred on the heat pump turn the menu dial clockwise to find out more information about each alarm Cause Date when the alarm occurred Time when the alarm occurred Info Acknowledge Dimmed menu display Possible cause 1 Blown fuse in the house s fuse box distribution box Action 1 Check the fuses in the house s fuse box 2 Change the fuse if necessary If miniature circuit bre...

Page 31: ...sure switch High pressure switch Electric cassette Power failure 3 phase 3 phase incorrect 3 phase High return to the heat pump Heat transfer fluid out max High heat transfer fluid delta Sensor fault Heat transfer fluid in under limit and heat transfer fluid out under limit Protective anode List of all alarms All alarms An alarm can sometimes occur temporarily due to various reasons However there ...

Page 32: ...ler Motor cut out HTF pump MB2 Possible cause 1 The HTF pump is blocked due to contamination Action 1 Press the Ackn button 2 Loosen the venting screw and remove the dirt 3 Help to start the pump with a screwdriver The alarm indication goes out even if the fault has not been rectified Possible cause 2 Faulty electric motor on HTF pump Action 1 Contact your dealer Possible cause 3 Temporary error A...

Page 33: ...ump has stopped or is set at too low a speed Action 1 Press the Ackn button 2 Check that the pump has not stopped or is set at the wrong speed Possible cause 5 Ice formation in the heat exchanger due to a lack of anti freeze in the heat transfer circuit Action 1 Contact your dealer Possible cause 6 Faulty expansion valve the alarm appears in time periods of 3 4 weeks Action 1 Contact your dealer C...

Page 34: ...ectric cassette EK Possible cause 1 The electric cassette s miniature circuit breaker has tripped Action 1 Press the Ackn button 2 Reset the miniature circuit breaker button on the heat pump circuit breaker 3 by pushing up the toggle switch 3 Contact your dealer if the miniature circuit breaker trips again Possible cause 2 The electric cassette s overheat protection has tripped Action 1 Press the ...

Page 35: ... cause 2 Phase sequence to the heat pump is incorrect The alarm may only be rectified by an electrician Action 1 Press the Ackn button 2 Switch the phase sequence on the incoming supply The heat pump starts automatically once the phase sequence has been switched High Heat transfer fluid delta T8 T9 GT8 GT9 The heat pump gives an alarm when the temperature difference between the sensors T8 GT8 and ...

Page 36: ...m the radiators becomes too high The limit lies at approximately 58ºC Possible cause 1 The temperature setting is too high Action 1 Lower the temperature setting Temp Possible cause 2 The valves on the radiators or floor heating system are closed Action 1 Open all valves 2 Press the Ackn button Possible cause 3 The hot water temperature is set too high Action 1 An alarm is given accord to clockot ...

Page 37: ... to the heat pump can give an alarm when defective In the example to the right it is sensor T1 GT1 Return radiator which has given an alarm All sensors give alarms in the same way Read more about the sensors under heading Read the temperatures on the heat pump Possible cause 1 Temporary error Action 1 Wait and see Possible cause 2 Short circuit or broken sensor cable Action 1 If you have an ohmmet...

Page 38: ... may be given without there being a fault Contact your dealer at repeated alarms If the fault occurs at the weekend you can wait to the next working day before contacting your dealer Possible cause 2 Faulty electric anode Action 1 Contact your dealer Alarm Anode error 040622 16 08 15 Return Info What to do if a fault occurs ...

Page 39: ...the installer you also read through the For the User section of the manual Here you will find the information necessary to get a comprehen sive understanding of the heat pump Contents Important information to the installer Checklist What the shipment includes Dimensions and plumbing connections The heat pump and collector hose in general Preparations before connection Connecting the heat pump to t...

Page 40: ...ate electrical diagram 10 Connect the external switch as well as additional heat if used and an earth fault breaker 11 Connect a general alarm external controls and load monitor if used 12 Commission the heat pump by making all the necessary settings on the control panel 13 Check the heat pump after commissioning Top up the heat transfer fluid if required Warning For reasons of safety the main pow...

Page 41: ...elivery of the heat pump Manual Quantity 1 Circlip pliers Quantity 1 Return sensor T1 GT1 Quantity 1 Cable 4 m Drain plug Quantity 1 Particle filter with screen Quantity 2 LWM model Quantity 1 LW model Outdoor sensor T2 GT2 with cable Quantity 1 Rubber feet Quantity 4 Safety valve Quantity 1 Room sensor T5 GT5 Quantity 1 ...

Page 42: ...29 79 240 356 471 538 Electrical connections Return radiator Flow radiator Cold water in Hot water out HTF coll in HTF coll out 506 398 123 218 471 183 345 517 165 464 554 569 LW model 105 310 505 596 387 266 211 Electrical connections 1520 Return radiator Flow radiator Return HWH Riser HWH HTF coll in HTF coll in 365 455 321 447 482 569 Dimensions and connections 1 2 3 4 5 6 5 6 3 4 2 1 1 2 3 4 5...

Page 43: ... the temperature rises above this value the heat pump will stop for reasons of safety The maximum outgoing temperature to the heating system is around 65 C However even higher temperature can be attained with the help of the electric cassette Minimum working temperatures The heat pump is from factory preset to minimum temperature of heat transfer fluid collector 0 C inlet and 2 C outlet If anti fr...

Page 44: ...ed by too sharp a bend you can repair the damage using a straight coupling Maximum length of the collector hose The maximum length of the collector hose is based on the heat transfer fluid pressure setting We recommend a heat transfer fluid consisting of max 29 per cent ethanol by volume and water Ethanol has good envi ronmental and technical properties even at low temperatures and should therefor...

Page 45: ...llector Insulation from the wall Example of the collector through the wall from the side Example of the collector through the wall cross section Collector in the ground C C 800 1000 mm C C 800 1000 mm Filling of stone free soil approximately 100 mm around the collector hose Collector PEM 40 x 2 4 PN 6 3 200 mm The heat pump and collector hose in general Note Non inflammable pipe material must be u...

Page 46: ...sion tank are connected to the collecting pipe A safety valve is connected to the outgoing pipe The safety valve leads off any overpressure One circuit at a time is filled with heat transfer fluid Keep the valves closed in the other loops during the process Read more about filling under the headings Connecting the heat pump to the heating system Filling water in the heating system and Filling the ...

Page 47: ...transfer fluid pipes on the heat pump from above they can be fitted from the side side installation Both the right and left hand sides are prepared for side installation The following pages describe side installation Side installation should be done before the heat pump is positioned in its final installation location The heat transfer fluid pipes are fitted for top installation when the heat pump...

Page 48: ...ight hand side installation figures 4 and 5 Follow the measure ments given in figures 6 and 7 5 Solder on a solder elbow and a straight piece of copper tube You can use the piece left over from cutting the heat transfer fluid out pipe as the straight piece Note Do not use compression ring couplings to secure the solder elbow on the copper pipe Compression ring couplings require more space and spac...

Page 49: ... elbow and a piece of straight copper tube Use the material left over from cutting 6 Cut the heat transfer fluid out as in figure 5 Follow the meas urements in figure 7 Solder on a solder elbow and a piece of straight copper tube Use the material left over from cutting Note Do not use compression ring couplings to secure the solder elbow on the copper pipe Compression ring couplings require more s...

Page 50: ...ter is then pumped to a recharge well The intermediate exchanger is installed in the boiler room or the like A filter has to be used in the water circuit A similar filter type as in the brine circuit is recommended A large filter is preferable if there is a risk for much contamination The circuit to the heat pump is installed in the same way as described earlier i e with filling unit expansion tan...

Page 51: ...ng If a single phase pump is used it should always be connected with a contactor It must never be con nected to the P3 output on the heat pump as this can damage the control unit Connecting the heat pump to the heating system Note Only qualified installers may carry out the installation The installer should observe applicable regulations and recommendations from the supplier It is important that a...

Page 52: ...and in a floor heating system it is necessary for at least half of the coils to be fully open The control unit gives an alarm when the temperature increase exceeds 13ºC in the heating system If the heating system is designed so that a minimum flow cannot be guaranteed the heat pump should be connected using a bypass and an external main pump G1 P1 Hot water function Hot water charging is started b...

Page 53: ...sor T3 GT3 which is located in the hot water cylinder When the water in the cylinder reaches the required temperature heat is once more supplied to the heating system Connecting the sensors External sensors T1 GT1 and T2 GT2 must always be connected The sensor T5 GT5 is connected when the heat pump is to be influenced by a room sensor An absolute prerequisite for this type of connection is that a ...

Page 54: ...which is located in the hot water cylinder When the water in the cylinder reaches the required temperature heat is once more supplied to the heating system Connecting the sensors External sensors T1 GT1 and T2 GT2 must always be connected The sensor T5 GT5 is connected when the heat pump is to be influenced by a room sensor An absolute prerequisite for this type of connection is that a minimum flo...

Page 55: ...nstallation to be increased if the volume of the heating system is inadequate for example with one or two fan assisted radiators Mixed heating system There is a possibility to control a second heating system with a mixing valve This is recommended when a combination of radiators and a floor heating system is used Symbols according to ISO FDIS 14617 Letter codes according to IEC 61346 2 This is a p...

Page 56: ...stributed from the accumulator to the heating system This solution also allows the overall volume of the installation to be increased if the volume of the heating system is inadequate for example with one or two fan assisted radiators Mixed heating system There is a possibility to control a second heating system with a mixing valve This is recommended when a combination of radiators and a floor he...

Page 57: ...e of the heating system is inadequate for example with one or two fan assisted radiators Symbols according to ISO FDIS 14617 Letter codes according to IEC 61346 2 This is a principal drawing C11 Expansion tank C21 storage tank E22 water heater with electric cassette E42 tank with outer shell F21 safety valve F22 safety valve G2 P2 Heat carrier pump V21 Filter Heating system V40 Hot water W40 Cold ...

Page 58: ...creases the overall volume of the installation if the volume of the heating system is inadequate for example with one or two fan assisted radiators C11 Expansion tank C21 storage tank E22 water heater with electric cassette E42 tank with outer shell F21 safety valve G2 P2 heat carrier pump V21 filter heating system V40 hot water W40 cold water ...

Page 59: ... the next page 1 Connect two hoses 1 inch in diameter to both filling valves 1 and 2 One of the hoses should have a submerged pump connected at the other end Pump submersible with a minimum delivery pressure of 450 kPa Minimum flow 4 m h type Wilo Sub TWU 5 SE The submerged pump should be fitted with a particle filter 2 Place the hose and submerged pump in a barrel that holds 100 litres 3 Fill the...

Page 60: ...sioning the heat pump Testing the heat pump manually 8 When venting is complete open valve 3 shut valve 2 and shortly after shut also valve 1 Disconnect the hoses and the heat transfer fluid side is ready for operation Note It is an advantage if an overpressure is created in the heat transfer fluid circuit An underpressure damages the expansion tank and the collector hose Expansion tank Safety val...

Page 61: ...water metre 142 litres of water 40 35Hose type 40 35 40 35Hose type 32 28 Hose type 20 17 Anti freeze type Water l Anti freeze l Water l Anti freeze l Water l Anti freeze l Bioethanol 0 71 0 29 0 42 0 18 0 16 0 07 Propylene ethylene glycol 0 65 0 35 0 39 0 21 0 15 0 08 Table 1 Mixing ratio in litres metre Connecting the heat pump to the heating system Bioethanol Water Propylene ethylene glycol Wat...

Page 62: ...nnections include room and outdoor sensors and mixing valves The electric connection as well as the material used to make this connec tion must comply with existing standards and in particular standard NF C15 100 The heat pump electrical supply must be protected with a D curve earth leakage circuit breaker Wiring must be of the H07RNF type Supply must be of the P N T type 230 V single phase and 3P...

Page 63: ... pump must be connected to the terminal card in those cases a bypass is required The pump is connected to terminal P1 Return sensor radiator T1 GT1 Must always be connected Connect to terminal GT1 Outdoor sensor T2 GT2 Must always be connected Connect to terminal GT2 Hot water sensor T3 GT3 Is connected if the heat pump is to produce hot water Connect to terminal block GT3 X on the terminal card O...

Page 64: ...erent functions on the control unit These functions are available from menu 1 13 Remote control temperature and menu 5 7 Select external controls The input must be short circuited to activate the function Note that the contact must be potential free Load monitor The load monitor has the task of disconnecting the additional heat in the event of a too high load on the house s main fuse Connect the l...

Page 65: ...xtra sensor s Confirming Extra sensor s GT4 GT5 Return Confirm Here follows an example of how to use the control panel The example shows how you move to menu display 5 13 and confirm the external sensors You will also find more information about the control panel under the heading Control Panel in the User section 1 Press the menu button for approximately ten seconds until Access SERVICE is shown ...

Page 66: ...t pump menu 5 6 and quickly restart the heat pump If the heat pump does not start press the Info button to see if a heating demand exists 4 Check the sight glass inside the heat pump during start up Bubbles may appear in the sight glass for a few minutes during start up The bubbles should then stop Bubbles present when the heat pump is running are a fault symptom They are probably due to insuffici...

Page 67: ...lue set in menu 2 3 Only applies when the sensor T3 GT3 is connected Less than 4ºC should be avoided Clock setting of additional heat You can set the control unit so that the additional heat is fully blocked during certain periods of the day Read more under the heading Extra functions Customer level 2 Timer control about how to set the control unit Commiss Service Make a check of all the functions...

Page 68: ...ural cooling The heat transfer fluid pump should in normal mode always start and stop with the compressor Select this menu to see the version number of the control unit Confirm the extra sensors T3 GT3 T4 GT4 and T5 GT5 that are connected externally On confirmation the control unit stores information about the sensors to be used Timer readings There are a number of different menu displays to help ...

Page 69: ...connected electric capacity Check how much additional heat per cent has been enabled See more information under the heading Technical information Return to factory settings If you regret your settings you can return to the factory settings in menu 12 If you are on Customer level 1 or 2 when you select Return to factory settings only the settings in the displays accessible from Customer level 1 and...

Page 70: ... the cooling phase to last Here you set the start and stop temperatures for the drying program Here you set the maximum temperature that the drying program should work at The function is activated and deactivated here Drying program Note During drying operations the heat pump does not produce any hot water and is not affected by timer controls Once the drying program has finished the heat pump ret...

Page 71: ...the motor cut out setting is determined by a value produced during hot water charging and a stable voltage The recommended motor cut out setting may not always be suitable as the voltage in the mains can fluctuate The setting may therefore from case to case need to be adjusted Adjust the setting using a clip on ammeter when the heat pump is producing hot water For the heat pump to perform at its b...

Page 72: ...ay valve Mixing valve sensor T4 GT4 Others Points to be checked prior to commissioning Heating system pressure venting filled checked Notes HTF collector system pressure venting filled checked Notes Electric cassette planned checked Notes Particle filter checked cleaned Notes Sight glass checked Notes Temperatures after 10 minutes heating or hot water mode Heat carrier out T8 GT8 C Heat carrier in...

Page 73: ...llector hose and heating side Functional test carried out Menu settings 1 1 1 4 5 2 and 5 4 carried out The instructions about how to use the heat pump have been sent to the client to the user Documentation about the apparatus has been handed over Date and signature of the installer ...

Page 74: ...valve curve 0º 1 8 Mixing valve curve neutral zone 3º 1 9 Max mixing valve curve at GT4 60º 1 10 inst Int temp 20º 1 11 Setting of room sensor 5 1 12 Setting holiday function 0 day 1 13 Remote control temperature Inactive 1 14 Summer disconnection setting 18º 2 1 No of hours for add hot water 0 hours 2 2 Range for HW peak Inactive 2 3 Heating temp setting 52º 2 4 Setting of DHW hysteresis 2º 4 1 C...

Page 75: ...e heating system C 65 Working temperatures on collector hose side C 5 to 20 Integrated collector hose and heat carrier pump Yes Power supply 400V 3N 50Hz Additional heat settings kW 3 0 6 0 9 0 The recommended type of fuse depends on the electrical output 3 6 kW electric cassette 9 kW electric cassette A 20 25 A 25 32 Starting current 4 A 52 50 Compressor Scroll Type R407c HFC refrigerant kg 2 30 ...

Page 76: ... Yes Power supply 230V 1N 50Hz Additional heat settings kW 3 0 6 0 9 0 The recommended type of fuse depends on the electrical output 3 6 kW electric cassette 9 kW electric cassette AaM 40 50 50 AaM 63 63 63 Starting current soft start A 23 8 30 9 34 6 Compressor Scroll Type R407c HFC refrigerant kg 1 60 1 80 2 40 Connection for heat fluid out in mm Cu 22 Cu 22 Cu 22 Out in collector hose connectio...

Page 77: ...77 TECHNICAL INFORMATION ...

Page 78: ...78 TECHNICAL INFORMATION ...

Page 79: ...79 TECHNICAL INFORMATION ...

Page 80: ...ROBERT BOSCH LIMITED PO Box 42048 Tower Junction Christchurch 8149 Telephone number 64 0 3 943 0750 Fax number 64 0 3 943 0756 ...

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