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Gebwell GEMINI 40, Installation, Operation And Maintenance Manual

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Gebwell GEMINI 40 Installation, Operation And Maintenance Manual Download Page 54

54 

 

Gebwell GEMINI 

17.2

 

Controls 

 

 

 

 

 

 

GEBWELL HEAT PUMP 

TARIFF CONTROL, 230 VAC 
EXTERNAL PREVENTION MESSAGE 
230V 

ELECTRIC RESISTOR, HEATING STAGE 2 
CONTROL 230 VAC 
 
ELECTRIC RESISTOR, HEATING STAGE 1 
CONTROL 230 VAC 
 
ELECTRIC RESISTOR, DOMESTIC HOT WATER 
CONTROL 230 VAC 
 
Q4 DOMESTIC HOT WATER CIRCULATION PUMP 
CONTROL 230 VAC, max. 0,7 A 
 
Q2 PUMP FOR PUMP HEATING CIRCUIT 
CONTROL 230 VAC, max. 0,7A 
 
Y1/Y2 HEATING CIRCUIT ACTUATOR 
230V 3-POINT CONTROL 
 
 
Q6 PUMP FOR MIXING HEATING CIRCUIT  
CONTROL 230 VAC, max. 0,7A 
 

ALERT, 230 VAC 
max. 0,7A 

CONTROLLER 1, UPPER COMPRESSOR UNIT 

EXTERNAL 

Y/GR 

Y/GR 

Y/GR 

Y/GR 

Y/GR 

Y/GR 

BR 

WH 
BR 
BLU 

WH 
BLU 

Y/GR 

Y/GR 

Summary of Contents for GEMINI 40

Page 1: ...Installation Operation and Maintenance Manual GEMINI Heat Pump WWW GEBWELL FI...

Page 2: ...on air heat recovery 18 7 5 Connections for external fixed fuel burners 18 7 6 Connecting of domestic hot water system 18 8 ELECTRICAL CONNECTIONS 20 8 1 General 20 8 2 Power supply 20 8 3 Compressor...

Page 3: ...culation pump 35 12 8 Cooling circuit 35 12 9 Heat pump settings 37 12 10 Programming the reservoir s resistors and output water s electrical heaters 38 12 11 Control of additional heat source 39 12 1...

Page 4: ...ve the instructions provided Request a technician to fill out the Commissioning and Warranty Protocoll which must be returned to the device manufacturer The protocoll is a requirement for maintaining...

Page 5: ...ting instructions are followed carefully The liability of the guarantor is limited according to these terms and conditions and the war ranty does not extend to such damage as the product may cause to...

Page 6: ...t the en tire estimated economic life of the heat pump How to submit a service request All warranty repairs service requests and orders for spare parts will primarily be submitted directly to the auth...

Page 7: ...e Shut off valve Collector loop 1 length Collector loop 2 length Collector loop 3 length Collector loop 4 length Collector loop 5 length Collector loop 6 length Collector loop 7 length Collector loop...

Page 8: ...nish Heat Pump Association www gebwell com www sulpu fi 3 3 Ground source cooling The cold temperature of the brine can also be used to cool dwell ings In summer the free cooling energy can be transfe...

Page 9: ...al 2840 6 C Out put water set point 30 C Condenser s temperature difference t 6K The charging procedure is activated when the return water meas urement value B71 reaches 21 C The charging ends when th...

Page 10: ...mp has been tilted in transit you must allow the pump to stand upright for at least two hours before activation so that the compressor s lubrication oil has time to reach the required locations Only l...

Page 11: ...arried to living ar eas through the floor Reserve at least 700 mm of maintenance space in front of the pump so that the compressor unit can be taken out for mainte nance For the same reason do not ins...

Page 12: ...evice 2 J Condenser device 2 K Charging pump Q9 2 L Condenser drain M Adjustable feet N Lifting loops O User terminal controller 2 P Brine out device 1 Q Brine in device 1 R Soft starter compressor s...

Page 13: ...ut water sensor B22 Fixed fuel burner sensor B38 Domestic hot water consumption sensor 5 3 Pumps Inside the heat pump Q9 Charging pump External pumps of the system Q8 Source pump collector Heating cir...

Page 14: ...14 Gebwell GEMINI 6 DIMENSIONS AND PIPE CONNECTIONS 6 1 Heat pump connections 6 2 Pipe connections 1 Charge output 35mm 2 Charge return 35mm 3 Brine in 35mm 4 Brine out 35mm...

Page 15: ...st be maintained for at least 30 min Insulate all of the building s source brine pipes with closed cell insulation in order to prevent water con densation Rinse the pipes of any installation debris pr...

Page 16: ...perform the installation to a closed heating system with a diaphragm expansion vessel Ensure that water does not spill on the pump or in the electrical devices during operation The product must be pr...

Page 17: ...hot water 3 Charging output to the heating network 4 Charging return from the heating network Connection of charging circuit 2 device configuration In the example figure the upper compressor unit of...

Page 18: ...tion air heat recovery The extraction air heat recovery system circulates brine to an ex traction air radiator without any need for a collection circuit Ob serve the manufacturer s instructions when i...

Page 19: ...p heats the cold water in the internal reser voir after which the water is led to the external buffer reservoir The electric resistance of the external reservoir maintains the temperature at the desir...

Page 20: ...r It is important that the phase sequence be connected correctly Pump notifies of incorrect phase sequence on the controller screen with the text Soft starter E25 failure The compressor s motor protec...

Page 21: ...a circuit the jump wire H21 M is to be replaced by a domestic hot water flow switch Domestic hot water flow sensor B38 BX21 M Domestic hot water charge pump Q34 control pwm UX21 M Power supply to dome...

Page 22: ...k control 230VAC N blue L10 brown continuous 230VAC Actuator connection 8 10 Heating circuits Three heating circuits can be controlled with the heat pump con troller The circuits can be pump or mixing...

Page 23: ...connectors 11 14 and opening alarm information NC from connectors 11 12 Use a 2 pole ca ble with a cross sectional area of 0 5mm2 at the minimum 8 16 Call for heating 0 10V The heat pump can be contro...

Page 24: ...roller 1 There can be 15 slave devices controllers Device addresses must be specified for the devices in the LPB system menu Connect the data cables in accordance with the image between the devices Th...

Page 25: ...uipment failure The collection circuit is pressurised using an external booster pump K The pump is connected to valves C and D as shown in the figure When increasing the pressure of the collection cir...

Page 26: ...been filled with heat transfer liquid the collector has been vented carefully the collector s filter has been cleaned after venting all the collector s valves have been opened the programming of exter...

Page 27: ...e menu The controller automatically sets the condenser s temperature difference to 7 degrees and the evaporator to 4 degrees Heat pump s return water temp 2 27 Heat pump s output water temp 2 27 Conde...

Page 28: ...ure is at a suffi cient level so that air can exit through the automatic vent valves 7 When the venting is complete continue rotating the pump and repeat until the air has been removed from the system...

Page 29: ...0 Line protection automation Controller 1 control F11 Line protection automation Controller 2 control S8 Source pump s manual use I Manual 0 Automatic 11 2 User terminal AVS74 user terminal 11 3 Displ...

Page 30: ...ure average temperature of 15h and the heating system s measured output water temperature The slope of the automation s curve can be seen at the intersection point of the two values This is separately...

Page 31: ...s turned off Its frost protection is however active frost protection temperature provided that the voltage supply is not cut off Features of protection operation Heating areas off Temperature accordin...

Page 32: ...12 3 Language selection There are several language options for the user terminal You can change the language in Regional settings 3 3 menu 12 4 Time programs Various time programs are available for t...

Page 33: ...tory setting 0 5 SUMMER WINTER HEATING LIMIT The summer winter heating limit activates or deactivates the heating according to annual temperature differences In Auto matic operation this switch is per...

Page 34: ...setting 24h day 24h day The domestic hot water temperature is adjusted independently of time programs all the time according to the domestic hot water temperature s nominal set point Time program 4 do...

Page 35: ...s is done in Expert level A circuit specific definition must be made for each circuit The cooling circuits coming into use must be switched on the Configuration menu of the controller When the switch...

Page 36: ...ling at a mixed outdoor temperature of 35 C without taking summer compensation into account Factory setting 18 C TVKw Output water set point for cooling TAgem Mixed outdoor temperature The set cooling...

Page 37: ...model specific minimum flow must be taken into account The charging flow must not be lower than the heat pump s minimum flow This may cause functional failures in the device Refer to section Technical...

Page 38: ...5 relay input QX1 Menu Expert Parameter list Configuration 11 43 5890 Output water s electrical heater K26 relay input QX2 Menu Expert Parameter list Configuration 11 43 5891 Domestic hot water s elec...

Page 39: ...rt Parameter list DHW reservoir 5 11 5060 Factory setting Replacement Replacement The electric heater control ensures the charging of domestic hot water if the heat pump fails Summer When all the heat...

Page 40: ...released and returned ac cording to the set integral value Factory setting 50 Cmin TVxSch Common output water temperature B10 TVwSch Common output water set point Int Return integral 3720 Int Release...

Page 41: ...s You can browse heat pump status information and his torical data at the Expert level in Mode or Info menu 13 1 Special situations In exceptional situation the display of the basic unit shows one of...

Page 42: ...connected to hot domestic hot water or the hot do mestic hot water is produced in a heat exchanger CHARGING ACTIVE The heat pump produces hot water ELECTRIC HEATER CHARGING Hot domestic hot water char...

Page 43: ...Outside temp min C 8702 Outside temp max C 8703 Outside temp attenuated 6h average temperature C 8704 Outside temp composite C 8730 8735 Actuators of heating circuit 1 8740 Room temp 1 C 8740 Room set...

Page 44: ...ximum output water set point sufficiently high on the menu Heating cir cuit Program for heating circuit is switched on o Go to menu Time program heating circuit and adjust the time program to wanted l...

Page 45: ...ging the phase se quence 3 Incorrect volt age Automatic restart 5 min after the failure 4 Incorrect fre quency Automatic restart 5 min after the failure 5 Rotor is not spinning Automatic restart 5 min...

Page 46: ...act and correctly connected If neces sary contact Gebwell service 36 Hot gas sensor 1 B81 Hot gas sensor is dam aged Failure in the electrical system Contact a qualified technician Check that the conn...

Page 47: ...alarms per 8 hours are allowed with automatic restoring Contact a qualified technician Check the functioning of the cool ing unit 127 Legionella tempera ture The heat pump has not been able to mainta...

Page 48: ...compressor 243 Swimming pool sensor B13 Failure in the electrical system 324 BX same sensors The sensors with same marking are connected to BX entries Failure in the electrical system Contact a quali...

Page 49: ...el some water due to pressure changes as part of their normal operation Liquid level and strainers of the collector Check the liquid level of the collector and add more liquid if necessary After commi...

Page 50: ...lve turns to the heating charging position B red triangle points to B 4 End the test by setting to control row No test HEATING CIRCUIT MIXING VALVE TEST 1 Select Input output test in menu Relay test 7...

Page 51: ...put power kW 10 2 13 4 14 8 COP 5 1 5 3 5 4 5 55 Output power kW 46 4 62 4 70 6 Cooling power kW 31 4 42 8 48 8 Input power kW 15 0 19 6 21 8 COP 3 1 3 2 3 2 System s energy efficiency class intermedi...

Page 52: ...2 36 3 00 Max external pressure loss at rated flow kPa 81 70 100 Minimum brine output temperature C 5 Maximum brine output temperature C 20 Charging circuit Energy class charging pump low energy A Int...

Page 53: ...T HEATING CIRCUIT 1 FLOW SENSOR ADDITIONAL RESERVOIR 1 HEATING UPPER COMMON OUTPUT WATER DOMESTIC HOT WA TER RESERVOIR ADDITIONAL RESERVOIR 2 HEATING LOWER OUTDOOR TEMPER QAA55 ROOM SENSOR QAA74 ROOM...

Page 54: ...TRIC RESISTOR DOMESTIC HOT WATER CONTROL 230 VAC Q4 DOMESTIC HOT WATER CIRCULATION PUMP CONTROL 230 VAC max 0 7 A Q2 PUMP FOR PUMP HEATING CIRCUIT CONTROL 230 VAC max 0 7A Y1 Y2 HEATING CIRCUIT ACTUAT...

Page 55: ...Reduced set point 19 714 1014 1314 Frost protection set point 15 720 1020 1320 Heating curve slope 0 5 0 5 0 3 0 5 0 8 0 5 1 2 0 8 0 5 1 2 740 1040 1340 Flow temp setpoint min 12 12 12 12 741 1041 13...

Page 56: ...19 MAINTENANCE RECORD Date Measure Fault code Performed by Nature of mainte nance R repair M maintenance S change of set tings Fault code If the device fails enter the fault code issued by the control...

Page 57: ...v1 6 29082018 57 20 ENERGY LABELS...

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Page 73: ...tions have been applied LVD EN 61439 1 2011 EN 61439 2 2011 EN 61439 3 2012 EMCD EN 61439 1 Annex J Point J 9 4 2 HD 60364 Low voltage electrical installations 384 Electrical installations of building...

Page 74: ...Gebwell Ltd Patruunapolku 5 FI 79100 Lepp virta FINLAND Business ID 2008956 7 Tel 358 0 20 123 0800 Telefax 358 0 17 554 1102 info gebwell fi www gebwell com...

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