Related Manuals for IVT Greenline HC 22
Summary of Contents for IVT Greenline HC 22
- Page 1 Greenline HC HC 22 / HC 33 6 720 641 855-01.1I Installation manual 6 720 645 504 (2011/04) en...
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Page 2: Table Of Contents
Contents Contents Key to symbols and safety instructions ..4 10 Installation ......25 Explanation of symbols . - Page 3 Contents 15 Menu overview ......50 18 Factory settings ......97 18.1 Return to factory settings .
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Page 4: Key To Symbols And Safety Instructions
Key to symbols and safety instructions Key to symbols and safety instructions Explanation of symbols Safety precautions Warning symbols General B Read the guide carefully and keep it to hand for future Safety instructions in this document are use. framed and identified by a warning triangle which is printed on a grey background. -
Page 5: Included In The Delivery
Included in the delivery Included in the delivery 6720645504-01.1I Fig. 1 Heat pump Flow sensor Adjustable feet Outdoor sensor Warranty Card Guides Particle filter for hot water Particle filter for the heating system Particle filter for the collector circuit Pliers for particle filter Safety valve, 4 bar 6 720 645 504 (2011/04) en... -
Page 6: Installation And Transport Tools
Installation and transport tools Installation and transport tools The heat pump may be transported only with a handling DANGER: Personal injuries may occur. The trolley/lift truck . heat pump weighs between 330 and 360 kg. B Never lift the heat pump by hand. 6 720 616 938-22.1I Fig. -
Page 7: Lifting The Heat Pump
Lifting the heat pump Lifting the heat pump DANGER: Personal injuries may occur. The heat pump weighs between 330 and 360 kg. B Never lift the heat pump by hand. Remove the packaging and the transport pallet from the heat pump. Dismantle also the front and side plates before lifting the heat pump into the building. -
Page 8: Product Details
Product details Product details Positioning the heat pump Only qualified installers may carry out the B The heat pump is placed indoors, on a level and stable installation. The installer must follow surface that withstands a weight of at least 400 kg. applicable rules and regulations and B Adjust the rubber feet so the heat pump does not recommendations from the supplier. -
Page 9: Can-Bus
Product details CAN-BUS The various circuit boards in the heat pump are joined by CAUTION: Do not mix up the 12V and CAN- a communications cable, CAN-BUS. CAN (Controller BUS connections! Area Network) is a two-wire system for communication The processors are destroyed if 12V is between microprocessor based modules/circuit boards. -
Page 10: Handling Circuit Boards
Product details 5.10 Handling circuit boards Circuit boards with control electronics are sensitive to A condition for good ESD protection is a ground- discharges of static electricity (ESD – ElectroStatic connected bracelet when handling electronics. This Discharge) when handled. To prevent damaging the bracelet must be put on before opening the screened components, special care is therefore required when metal bag/packaging or before exposing an installed... -
Page 11: Heating, General
Heating, general Heating, general Circuits for heating Control methods for heating • Circuit 1; the first circuit is included by default in the • Outdoor sensor; a sensor is fitted on the outside wall control unit and is controlled by the installed flow of the house. -
Page 12: Operating Modes
Heating, general Operating modes For all operating modes shall Mixed additional heat be used. • Without additional heat; the heat pump is sized so as to cover at least 100 % of the peak output of the house. – This choice is not in the control, choose Mixed additional heat at Start-up and thereafter Block additional heat in the menu for additional heat Chapter 16.7). -
Page 13: Dimensions And Clearance
Dimensions and clearance Dimensions and clearance HC 22 - 33 ≥100 ≥350 6 720 614 967-8.2I Fig. 8 Top view 6 720 645 504-03.1I All dimensions are stated in mm.: Fig. 7 Front view Collector circuit out Collector circuit in Return, hot water heater Flow, hot water heater Heat transfer fluid in... -
Page 14: Technical Information
Technical information Technical information Component parts 8.1.1 HC 22 - 33 6 720 614 967-5.1I Fig. 9 Evaporator Sight glass Type plate High pressure switch Collector circuit pump Expansion valve Heat carrier pump 3-way valve Low pressure switch Drying filter Condenser Transport locking devices (2) and Vibration dampers (2) Compressor (1 and 2) -
Page 15: System Solutions
Technical information System solutions Detailed system solutions can be found in the product's planning documentation. 8.2.1 System solution explanations Compressor 1 E10.T2 Outdoor sensor Heat pump Tab. 3 E21.F111 Automatic air vent E21.G2 Heat carrier pump Circuit 1 E21.G3 Collector circuit pump E11.C101 Expansion vessel E21.Q102... - Page 16 Technical information Collector circuit Additional heat Collector circuit, compressor 1 Additional heat E31.C101 Expansion vessel E71.E1.F101 Safety valve E31.F101 Safety valve E71.E1.F111 Automatic air vent E31.F102 Safety valve E71.E1.G71 Circulation pump E31.F111 Automatic air vent E71.E1.P111 Thermometer E31.Q21 Ball valve filling unit E71.E1.P101 Pressure gauge E31.Q22...
- Page 17 Technical information 8.2.2 System solution without additional heat Fig. 10 Heating circuit and buffer tank without additional heat ( Chapter 8.2.1, 8.3) 6 720 645 504 (2011/04) en...
- Page 18 Technical information 8.2.3 System solution with mixed additional heat Fig. 11 Heating circuit, buffer tank and mixed additional heat ( Chapter 8.2.1, 8.3) 6 720 645 504 (2011/04) en...
- Page 19 Technical information 8.2.4 System solution with electric additional heat Fig. 12 Heating circuit, electric additional heat and buffer tank ( Chapter 8.2.1, 8.3) 6 720 645 504 (2011/04) en...
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Page 20: Functional Description Of System
Technical information Functional description of system solutions System without additional heat ( Chapter 8.2.2) Additional heat and heat pump work separately When the heat pump is responsible for all of the heating, Heating it supplies heat to E11.C111 and keeps the temperature Heat for E11 is taken directly from buffer tank E11.C111. - Page 21 Technical information System with electric additional heat Chapter 8.2.4) This system solution is also suitable for 0- 10V output-controlled gas/oil-fired boiler. Heating Heat for E11 is taken directly from buffer tank E11.C111, with possible afterheating by E71. Heat for E12 is taken from buffer tank E11.C111, with possible afterheating by E71, and is shunted to the set temperature using mixing valve E12.Q11.
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Page 22: Technical Information
Technical information Technical information 8.4.1 HC 22 - 33 Unit HC 22 HC 33 Liquid/water operation Emitted output / COP (0/35) EN14511 21.0/4.4 33.8/4.2 Emitted output / COP (0/45) EN14511 19.9/3.5 31.6/3.2 Emitted output / COP (0/35) EN255 21.6/4.8 34.2/4.4 Emitted output / COP (10/35) EN255 26.4/5.8 41.7/5.2... - Page 23 Technical information 8.4.2 Motor cut-out compressor 8.4.4 Measurement values for temperature sensors Compressor HC 22 HC 33 °C °C °C °C Ω Ω Ω Ω T... T... T... T... –40 154300 –5 19770 3790 No. 1 13 A –35 111700 15280 3070 No.
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Page 24: Regulations
Regulations Regulations The following regulations and requirements must be – DIN VDE 0100, (Installation of High-Power observed: Equipment with Rated Voltages up to 1000 V) • The responsible power supply company's local – DIN VDE 0105 (Operation of Power Installations) regulations and requirements, including the –... -
Page 25: Installation
Installation Installation 10.2 Heating system Only qualified installers may carry out the installation. The installer must follow Flow over the heating system applicable rules and regulations and When the heat pump works with a buffer tank, there can recommendations from the supplier. be significant variations in the flow into the heating system. -
Page 26: Siting The Appliance
Installation WARNING: CAUTION: The heat pump may become damaged in the event of dirt or other B Never block the safety valve outlet. particles in the pipework. B Flush out the system to remove all dirt 10.3 Siting the appliance residues. -
Page 27: Temperature Sensor Installation
Installation 10.9 Temperature sensor installation 10.10 Filling the heating system B Open the heating system's valves. 10.9.1 Flow sensor T1 B Open the tap on particle filter E22.V101 of the heating B Operation mode without additional heat with buffer system. Open valve E22.Q101. tank. - Page 28 Installation B Turn the valves on the filling unit so that they are in Double U pipes, each of which consists of filling position ( Figure 17). two descending and two ascending pipes, are most often used as a rock collector. The following description of filling presupposes the use of the filling station accessory.
- Page 29 Installation B When the fluid level has fallen to 25% in the filling If other equipment is used, the following is required, station, the pump should be stopped and more among other things: collector circuit fluid should be filled and mixed. •...
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Page 30: Electrical Connections
Electrical connections Electrical connections 11.2 Phase guard DANGER: Risk of electric shock! A phase guard is mounted and connected to the heat B Switch off the main power supply before pump in order to monitor the phase sequence to the starting work on the electrical part. -
Page 31: Electrical Connection Wiring Diagram
Electrical connections 11.4 Electrical connection wiring diagram 11.4.1 Overview of connection between distribution box and heat pump (HC 22 - 33) 6 720 618 981-11.1I Fig. 22 Overview of connection between distribution box and heat pump Power supply to the distribution box Power meter for heat pump, low tariff Tariff control Power meter for the property, 1-phase high tariff... - Page 32 Electrical connections 11.4.2 Overview of electric box (HC 22 - 33) 6 720 616 938-3.1I Fig. 23 Overview of electric box Electric box heat pump HC 22 Electric box heat pump HC 33 E21.F11 Motor cut-out compressor E21 E22.F11 Motor cut-out compressor E22 E21.B1 Phase guard for E21 and E22 E21.F1...
- Page 33 Electrical connections 11.4.3 Overview of circuit boards Fig. 24 Overview of circuit boards and factory-assembled cables LCD Display board PEL Low-voltage external terminal board BAS Circuit board PHV Terminal board 230V PGB Circuit board Low-voltage internal terminal board XB1 Circuit board 6 720 645 504 (2011/04) en...
- Page 34 Electrical connections 11.4.4 Power supply of EVU signal EVU means a special electrical connection Time difference used primarily in countries like Germany and B Ensure a maximum time difference of 5 Austria. seconds between current control and EVU signal control. EVU relay (no.
- Page 35 Electrical connections 11.4.5 Power supply (HC 22 - 33) 6720614967-21.1I Fig. 26 X1 The terminal block in the heat pump The PEL card where the EVU signal is connected PE (protective earth) Standard design without EVU Alternative A The terminal blocks are strapped at the factory to a The power supply can also be connected as low tariff common power supply.
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Page 36: External Connections
Electrical connections 11.5 External connections Alternative B If the collector circuit pumps should be supplied All external connections are made on terminal board PEL separately, they are connected to PE, 2N, 2L2 and 2L3. (low current) and PHV (high current): Remove all terminal straps. -
Page 37: Other Wiring Diagrams
Electrical connections 11.6 Other wiring diagrams 11.6.1 Explanations E11 Circuit 1 Compressor 2 (Step 2) E10.T2 Outdoor sensor External input 1 E11.G1 Circulation pump, heating system External input 2 E11.P2 General alarm Circuit breaker, collector circuit pump E11.S11 External set point value Motor cut-out compressor E11.T1 Flow sensor... - Page 38 Electrical connections 11.6.2 Internal wiring diagram Fig. 30 Internal wiring diagram 6 720 645 504 (2011/04) en...
- Page 39 Electrical connections 11.6.3 Wiring diagram E21, high current Fig. 31 Wiring diagram E21, high current Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
- Page 40 Electrical connections 11.6.4 Wiring diagram E22, high current Fig. 32 Wiring diagram E22, high current Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
- Page 41 Electrical connections 11.6.5 Wiring diagram E21, low current Fig. 33 Wiring diagram E21, low current Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
- Page 42 Electrical connections 11.6.6 Wiring diagram E22, low current Fig. 34 Wiring diagram E22, low current Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
- Page 43 Electrical connections 11.6.7 External connections E21 Fig. 35 External connections E21 Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
- Page 44 Electrical connections 11.6.8 External connections E22 Fig. 36 External connections E22 Solid line = factory connected. Dotted line = connected at installation. 6 720 645 504 (2011/04) en...
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Page 45: Connection Of Additional Heat Alarm
Electrical connections 11.7 Connection of additional heat alarm 11.8 Connection of domestic hot water electric heater 6 720 616 938-40.1I Fig. 37 Alarm, additional heat 6 720 616 938-27.2I Fig. 38 Connection, hot water electric heater Additional heat E71.E1.E1.F21 Alarm, additional heat PHV1 Circuit board in the control unit A1, A2, 11, 14 Relay... -
Page 46: Connection Of Circulation Pump
Electrical connections 11.9 Connection of circulation pump 11.10 Connection of low energy pump E41.E1.G1 E11.G1 6 720 645 810-01.1I Fig. 40 Connection of low energy pump E11.G1 When a low energy circulation pump is connected in the 6 720 616 938-28.1I heating circuit an intermediate relay must be used for Fig. -
Page 47: Control Panel
Control panel Control panel 12.4 Menu display Settings for the control of the heat pump are made with the control unit's control panel, which also provides Use the menu display in order to: information about current status. • View information from the heat pump. •... -
Page 48: Start Up
Start up Start up The first time the heat pump is started, a number of B Set Groundwater if it is installed. settings are displayed automatically so as to facilitate B Set Circuit 1 Heating\ Type of heating system ( putting it in operation. -
Page 49: Installer Menus
Installer menus Installer menus 14.1 Access to the functions on Installer E21 = Compressor 1 / Heat pump 1 E22 = Compressor 2 / Heat pump 2 level A four digit access code is required to switch from Flow, circuit 1 Customer level to Installer level in the menus. -
Page 50: Menu Overview
Menu overview Menu overview The top menu level for installers is: • Room temperature • General • Hot water • Alarms • Holiday • Access level • Timers • Return to factory settings • External control • Program version • Installer Access level 0 = Customer •... - Page 51 Menu overview Access Room temperature level Circuit 1 Heating External set point value Use temperature from circuit with highest tem- perature Type of heating system Highest permitted flow temperature T1 Lowest permitted flow temperature T1 Heat curve Heat curve hysteresis heat pump x Maximum Minimum Time factor...
- Page 52 Menu overview Access Hot water level Extra hot water Extra hot water duration Extra hot water stop temperature Hot water peak Day of the week Interval in weeks Start time Stop temperature Maximum time Time for warm-keeping Hot water program Active program View/edit active program Hot water mode...
- Page 53 Menu overview Access Timers level Heat pump x timers Compressor start delay Compressor start delay groundwater G2 heat carrier pump stop delay Block low pressure switch Additional heat timers Additional heat start delay Delay mixing valve control after addi- tional heat start Additional heat program activation delay after low outdoor temperature Additional heat start delay after high out-...
- Page 54 Menu overview Access Installer level Operating times and con- The total operating time for the compres- sumptions sor and additional heat (active connec- tion). It can also make short term measurements. Temperatures All connected/acknowledged sensors present values. The opportunity to cor- rect the sensors is also given Inputs The status of all connected inputs is dis-...
- Page 55 Menu overview Access Additional heat level Additional heat general Start delay Allow additional heat timer during energy supply cut-off Additional heat only Ramp time when additional heat only Block additional heat Maximum outdoor temperature for additional heat Additional heat set point value E11.T1 offset Mixed additional heat Delay mixing valve control after additional heat start...
- Page 56 Menu overview Accessle Alarms Alarm log Delete alarm log Alarm history Alarm indication Alarm buzzer signal Interval Blocking time Alarm indication control unit Block alarm buzzer Alarm indication room sensor Block alarm buzzer Block alarm indicator lamp General alarm level Alarms and warnings Tab.
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Page 57: Settings
Settings Settings 16.1 Room temperature Press the button in the standard display to open the >>> Delay before change over to winter operation main menu. Select Room temperature to adjust the heating. Factory setting The following options are available under Room Lowest value temperature: Highest value... - Page 58 Settings > Shut down protection during change over from hot Ensure that the incoming signal does not water to heating generate higher flow temperature than what Circuit 1 withstands. Factory setting 180s All safety functions for the heating system Lowest value must be handled by the external equipment.
- Page 59 Settings > Heat curve The right point of the curve (-35 °C) can be The heat curve constitutes the basis for the control changed in Minimum outdoor temperature unit's control of the temperature on the heating water to Chapter 16.1.1). Set value applies for all the circuit and indicates how high it needs to be in heat curves.
- Page 60 Settings Setting of heat curve Change the right point: B Turn the menu dial when the square is marked. The If the heat curve has been set too high, the upper square is changed to outdoor temperature with display will show the message Too high heat the corresponding curve value after the colon.
- Page 61 Settings B Turn the menu dial to change the value. > Heat curve hysteresis heat pump x >> Maximum Factory setting 16.0K Lowest value The value in Minimum Highest value 30.0K Tab. 55 Maximum hysteresis B Set how big the maximum hysteresis for the flow 6 720 614 789-22.3I temperature can be.
- Page 62 Settings > Room sensor > Room temperature program >> Room temperature influence Factory setting Optimised operation Factory setting Alternative • Optimised operation • Program 1 Lowest value • Program 2 Highest value 10.0 Tab. 62 Program selection, circuit 1 Tab. 59 Room temperature influence B Choose if the circuit should be controlled with a B Set how much a 1 K ( °C) difference in room program or not.
- Page 63 Settings B Go back one step with >> Air handling unit in circuit B Select Saving alternative: Factory setting – Return without saving – Program 1 Alternative No/Yes – Program 2 Tab. 67 Air handling unit The set changes are saved as a selected program or B Select Yes when such a unit exists in the circuit.
- Page 64 Settings >> Setting temp. increase/decrease >> Room temperature exception >>> Limit value for left or right end point >> Copy to all heating circuits The same as when there is a room sensor, see above. Factory setting 0.0 °C Lowest value -10.0 °C It always takes some time for a change of a heating setting, e.g.
- Page 65 Settings > Type of heating system > Lowest permitted flow temperature T1 Factory setting Underfloor Factory setting 10.0 °C Alternative Radiator/Underfloor Lowest value 10.0 °C Tab. 74 Type of heating system Highest value 80.0 °C B Select type of heating system. Tab.
- Page 66 Settings >> I constant >> Mixing valve fully closed Factory setting 300.0 Factory setting 2.0K Lowest value Lowest value 1.0K Highest value 600.0 Highest value 10.0K Tab. 80 I constant Tab. 85 Mixing valve fully closed >> D constant B Set how many K ( °C) below the maximum permitted flow temperature T1 the mixing valve is to be fully closed.
- Page 67 Settings 16.1.4 Set point The heating circuit's set point value is the temperature Fixed set point value of the flow that the heat pump attempts to maintain. A fixed set point value (not curve-based) applies in the Sometimes, the measured actual value fluctuates a bit event of: upward and downward depending on changes in the •...
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Page 68: Hot Water
Settings 16.2 Hot water The heat pump's hot water production presupposes that Additional amount of hot water is produced by sensor E41.T3 is acknowledged and that heat pump 1 is temporarily increasing the temperature of the hot water set to produce hot water. Heat pump 2 can be set for hot during the set number of hours to the indicated stop water production. - Page 69 Settings >> Start time > Hot water program Program 1 and Program 2 enables you to block hot Factory setting 3:00 water production during the set time. Lowest value 0:00 >> Active program Highest value 23:00 Factory setting Always hot water Tab.
- Page 70 Settings >> Start temperature T3 economy mode > Block heating during hot water demand Factory setting 47 °C Factory setting Lowest value 20 °C Alternativ No/Yes Tab. 105 Block heating Highest value 57 °C B Yes should always be used. Tab.
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Page 71: Holiday
Settings 16.3 Holiday >> Time settings During holidays (absence), the heating can, for example, Start time Stop time be kept at a lower or higher level and hot water production can be switched off. 00:00 24:00 Holiday Tab. 108 Time settings B Set up to four separate intervals. -
Page 72: Timers
Settings 16.4 Timers The control unit shows the timers that are in operation. installer, whereas others have a set factory value which There are a number of timers for, e.g., delays of different cannot be changed. Level shows at what level the setting types, but also for extra hot water, hot water peak, etc. -
Page 73: External Control
Settings 16.5 External control When an external input is connected, the control unit >>> Room temperature performs functions which are set to Yes or is separated from 0 (Room temperature). When the external input is Factory setting No (0.0 °C) no longer connected, the control unit returns to normal Lowest value 10.0 °C... -
Page 74: Installer
Settings 16.6 Installer > External input circuit 2, 3... This section includes: >> Invert input • General Factory setting • Heat pump capacity Alternative No/Yes • Connected I/O boards • Operating times and consumptions Tab. 125 Invert input • Temperatures B Select Yes if the input signal is to be reversed (i.e. - Page 75 Settings Anti-seizure mode in summer mode > Operating mode Anti-seizure mode starts only if there is no Factory setting other type of demand. When there is a Alternative L/W mixed additional heat demand, the anti-seizure operation waits for Tab. 134 Operating mode one hour at the most for the demand to be satisfied.
- Page 76 Settings > Display light switch off delay Temperatures. Alarms are triggered and stored in alarm log and alarm history. Factory setting 5min T2 Outdoor, display T2 correction Lowest value 1min Temperatures heat T1 Start/stop limits com- Highest value 240min pump x pressor T6,T8,T9,T10,T11 display, Tab.
- Page 77 Settings 16.6.6 Inputs • G1 Heating circuit pump The status of all inputs is displayed here. Pressure • Heat pump x switches and motor cut-outs are shown for each heat – Q21 Three-way valve (Heating/Hot water) pump. In addition, any alarms for shunted additional –...
- Page 78 Settings > Operation alternative heat carrier pump G2 16.6.9 Screed drying The heat pump alone can not produce Factory setting Automatic enough heating for screed drying. We Alternative Continuous/Automatic recommend using building drying equipment. Tab. 143 G2 B Select if heat carrier pump G2 should run Screed drying requires the installation of continuously or start automatically when the underfloor heating coils under the floor...
- Page 79 Settings > Heat source >> Number of days with maximum temperature Factory setting Additional heat Factory setting Alternative Both/Compressor/Addi- Lowest value tional heat Highest value Tab. 146 Heat source drying Tab. 150 Days with maximum temperature B Select the heat source(s) which should contribute >>...
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Page 80: Additional Heat
Settings 16.7 Additional heat The additional heat works together with the heat pump > Block additional heat to maintain the right heating in the circuits. The additional heat can be selected to work alone. Factory setting Under Additional heat, there are: Alternative Yes/No Tab. - Page 81 Settings Mixed additional heat >> Maximum PID signal Mixed additional heat can be e.g. a oil heater or a gas Factory setting 100% burner. Heat pump and additional heat are allowed to work in parallell. Lowest value > Delay mixing valve control after additional heat start Highest value 100% Tab.
- Page 82 Settings Hot water electric heater Additional heat program This function can be used to set the times between Hot water electric heater is required to be which additional heat mode is blocked. able to use the functions for Extra hot water >...
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Page 83: Safety Functions
Settings 16.8 Safety functions 16.9 General This section includes: Among other things, settings for date and time are available here. • Setting collector circuit in T10 > Set date • Setting collector circuit out T11 The settings for collector circuit in/out are: Factory setting >... -
Page 84: Alarms
Settings > Country >> Blocking time B Select country. Factory setting Here, a different country can be selected than was chosen as part of the pre-configuration (start-up). Start time 0:00 - 23:45 Stop time 0:00 - 23:45 16.10 Alarms Tab. 180 Blocking time The different alarms that can occur are described in B Indicate the times between which the alarm buzzer ( Chapter 17). -
Page 85: Access Level
Settings 16.11 Access level Access level is Customer as standard: This level gives you access to all functions that the user requires. The installer also has access to the additional functions required at installation. 16.12 Return to factory settings B Select Return to factory settings and Yes to reset all settings to the factory settings. -
Page 86: Alarms
Alarms Alarms 17.1 Alarms 17.3 Alarm display This section includes: When an alarm/warning occurs, the display shows information about what has happened. At the same time, • Alarm log ( Chapter 16.10). information is saved in the alarm log and alarm history. •... -
Page 87: Alarm Categories
Alarms 17.7 Alarm categories The alarms are divided into different categories Alarm category is displayed in the alarm window, alarm depending on the type and seriousness of the fault. log and alarm history. Category A-H comprises alarms, category I-M warnings and category Z information. Meaning Stops the compressor Stops additional heat/mixing valve... -
Page 88: Alarm Functions
Alarms 17.9 Alarm functions The alarm text is indicated in the heading. 17.9.4 Low pressure collector circuit Function: If Alarm at low pressure in collector circuit is 17.9.1 High hot gas temperature E2x.T6 selected and the external input closes, this alarm is Function: Compressor stops. - Page 89 Alarms 17.9.7 Alarm from groundwater circuit 17.9.11 Phase error E2x.B1 Function: Compressor stops. Activated when pressure/ Function: The compressor stops when the phase guard flow (depending on the installed equipment) becomes trips because of the lack of a phase or the presence of a too low/high in the groundwater circuit.
- Page 90 Alarms 17.9.14 High flow temperature E1x.T1 17.9.17 Failure on sensor E31.T32 anti-freeze cooling Function: The compressor stops because the flow Function: Activated when the sensor's value indicates a temperature is too high for the heating circuit. Activated temperature lower than -10 °C. The sensor is used in the when the sensor shows a value which is 5K higher than collector circuit for cooling in order to prevent the heat the highest set point value for the circuit.
- Page 91 Alarms 17.9.20 Faulty protective anode E41.F31 17.9.24 Short circuit on sensor E12.T1, E13.T1... flow Function: The alarm is activated when the anode in the Function: The alarm is activated when the sensor's value hot water heater is broken or does not work. indicates a temperature higher than 110 °C.
- Page 92 Alarms 17.9.28 Short circuit on sensor E4x.T3 hot water 17.9.32 Short circuit on sensor E31.TT.T5 room Function: The alarm is activated when the sensor's value Function: The alarm is activated when the sensor's value indicates a temperature higher than +110 °C. The hot indicates a temperature higher than +70 °C.
- Page 93 Alarms 17.9.35 Failure on sensor E2x.T9 heat transfer fluid in 17.9.38 Short circuit on sensor E2x.T10 Function: Activated when the sensor's value indicates a Function: Activated when the sensor's value indicates a temperature lower than 0 °C. T9 is calculated according temperature higher than 40 °C.
- Page 94 Alarms 17.9.42 Additional heat is now working at its highest 17.9.45 Screed drying set point value for heating not temperature reached Function: The additional heat begins to be stepped Function: Activated when the set point value for a drying down. The warning is activated in additional heat mode step has not been reached.
- Page 95 Alarms 17.9.49 Check connection to room sensor E1x.TT 17.9.52 Temporary hot water stop due to working area limits Function: Activated when communication with the room sensor is terminated. Function: The information is displayed only if Hot gas stop function activated has been set to Yes. Ongoing hot Reset condition: Communication with the board is re- water operation is aborted and replaced with heating established.
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Page 96: Alarm Log
Alarms 17.10 Alarm log Information Comment/Value The alarm log shows the alarms, warnings and other Alarm category Letter ( Table 187). Dis- information that has come up. Alarm category ( played in the top left corner Chapter 17.7) is displayed in the top left corner of the of the display. -
Page 97: Factory Settings
Factory settings Factory settings 18.1 Return to factory settings The function exists on both customer and installer level. function is used on installer level. Customer level All settings available to the customer are restored on settings are not affected. customer level. HP x = Heat pump 1 or 2 / Compressor 1 or 2 All settings on installer level are restored when the Access level 0 = customer, 1 = installer... - Page 98 Factory settings Factory set- Access Room temperature ting level Circuit 2, Mixing valve mode Type of heating system Underfloor 3... Highest permitted flow temperature T1 45.0 °C Lowest permitted flow temperature T1 10.0 °C Heat curve Room sensor Room temperature influence (if 0, 1 installed) Acknowledge room sensor...
- Page 99 Factory settings Factory Access External control setting level Heat pump x External input 1, 2 Invert input Block compressor Block additional heat Block heating at tripped underfloor tem- perature limiter Block heating Room temperature (0,0 °C) Block hot water production Start collector circuit pump Alarm at low pressure in collector circuit Alarm groundwater circuit...
- Page 100 Factory settings Factory Access Installer setting level Screed drying Activate Current program step Remaining time for current step Heat source Additional heat Program settings Flow temperature increase per 5,0K heating step Number of days per heating step Maximum flow temperature 45 °C Number of days with maximum temperature...
- Page 101 Factory settings Access Safety functions Factory setting level Setting collector circuit in T10 Lowest permitted temperature E21.T10 -10,0 °C 4,0 °C Groundwater Lowest permitted temperature E22.T10 -10,0 °C 4,0 °C Groundwater Hysteresis alarm reset 1,0K Number of warnings before alarm Setting collector circuit out T11 Lowest permitted temperature E21.T11 -10,0 °C...
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Page 102: Function Check
Function check Function check 19.1 Refrigerant circuit 19.2 Filling pressure in collector circuit B Check the filling pressure in the collector circuit. The refrigerant circuit is hermetically sealed and the amount of refrigerant is less than 6 If the filling pressure is lower than 1 bar: kg. -
Page 103: Operating Temperatures
Function check 19.4 Operating temperatures Check the temperatures in the heat carrier and collector circuit after 10 minutes of operation: • Temperature difference between heating system flow and return approx. 7 ... 10 K. • Temperature difference between collector circuit in and out approx. -
Page 104: Environmental Protection
Environmental protection Environmental protection Environmental protection is a fundamental corporate strategy of the Bosch Group. The quality of our products, their economy and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed. We use the best possible technology and materials for protecting the environment taking account of economic considerations. -
Page 105: Maintenance
Maintenance Maintenance Check the particle filters for the heating system and DANGER: Risk of electric shock! collector system B Switch off the main power supply before The filters prevent dirt from entering the heat pump. If starting work on the electrical part. they are clogged, they can cause malfunctions. -
Page 106: Commissioning Protocol
Commissioning protocol Commissioning protocol Information about the installation: Customer/responsible for installation: Installer/person in charge of commissioning: Heat pump: _____________________________ Serial number: ___________________________________ Commissioning date: ____________________ Date of manufacture: _______________________ Type of collector: ____________________________ Number of circuits: ___________ Length per circuit: _____________ m Additional heat (Oil/Gas/Power): Product / Type: _______________________________... - Page 107 Commissioning protocol Check of electrical connections part 1: Supply fuse:______A type________________ Supply voltage phase - 0: L1 ______ V ... L2 ______ V ... L3______ V. Should be between 220 and 240 V. Turn on fuses and cut-outs in the heat pump. Start the control unit. Run the Start-up menu of the control unit Supplement the Start-up menu with the basic settings.
- Page 108 Commissioning protocol Check that the additional electric heat works and that the control from the heat pump works. E41. E1 Check that external signals and alarms to/from the heat pump work, e.g., EVU block and general alarm Check the pressure and temperature of the collector circuit again, fill up with collector circuit fluid, if necessary Turn on the motor cut-out for compressor 1 (top).
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Page 109: Notes
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