Related Manuals for Gebwell GEMINI
Summary of Contents for Gebwell GEMINI
- Page 1 Installation, Operation and Maintecance Manual GEMINI Heat Pump W W W. GE B WE L L . FI...
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Page 2: Table Of Contents
Connection of the domestic water charging package (HWExE) ....................22 Connection of domestic water mixing valve (HWEx) ......................22 Control of electric resistors in the accumulator / sequence controlled additional heating ............22 Gebwell Gemini Installation, operation and maintenance manual... - Page 3 Change-over valve(s) ................................23 8.10 Heating circuits ..................................23 8.11 Domestic hot water’s circulation pump ............................ 24 8.12 Connection of external source pump ............................24 8.13 Connection of room unit, QAA74 ............................24 8.14 Room sensor (acceossory) QAA55............................24 8.15 Alarm forwarding ..................................
- Page 4 17.2 Controls ....................................57 SETPOINT EXAMPLES FOR HEAT PUMP ADJUSTMENTS IN DIFFERENT HEATING NETWORKS ....58 MAINTENANCE RECORD ..............................59 ENERGY LABELS ................................. 60 LIITE 1: ELECTRICAL DIAGRAMS LIITE 2: DECLARATION OF CONFORMITY Gebwell Gemini Installation, operation and maintenance manual...
- Page 5 ALWAYS KEEP THE OPERATING MANUAL IN THE IMMEDIATE VICINITY OF THE DEVICE! Carefully study the manual before installing, adjusting or maintaining the device. Observe 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 the validity of the manufacturer’s warranty.
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Page 6: Warranty
1 WARRANTY Gebwell Ltd. Patruunapolku 5, 79100 LEPPÄVIRTA, tel 020 1230 800, info@gebwell.fi issues the product, GEMINI heat pump a warranty regarding manufacturing and material faults, with the following contents. to another item or person. Warranty period and start date... - Page 7 Maintenance service in Finland Gebwell Ltd. is not liable for the breakdown of a wrongfully in- stalled device. Maintenance work for this product, during the warranty period and after the warranty period, is performed by the maintenance The device can only be repaired by a professional.
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Page 8: Installation Record
Buffer reservoir Description Note: Inspected by: Date: Domestic water: System pressure tested System flushed Safety valve Pressure gauge Buffer reservoir Description Note: Inspected by: Date: Electricity: Property fuses Heat pump fuses Phase sequence 32A power socket Outdoor temperature sensor Gebwell GEMINI... -
Page 9: Heat Pump Operating Instructions
More information on heat collection systems and their scaling A heat pump collects heat from the ground and transfers it inside can be found on the website of Gebwell Ltd. and the Finnish the building. The heat can be collected using pipes sunk in a Heat Pump Association. -
Page 10: Heating Functions
The charging procedure is activated when the return water meas- urement value (B71) reaches 21°C. The charging ends, when the return water measurement value is 27°C. The heat pump’s charg- ing pump rotates whenever it is in heating mode. Gebwell GEMINI... -
Page 11: Delivery And Handling
Removal from package and transport 4 DELIVERY AND to final installation location HANDLING The product is delivered without the upper device module being mounted. All products included in the delivery are packed on the same pallet. Delivery contents NOTE! THE HEAT PUMP MUST NOT BE TRANSPORTED •... -
Page 12: Heat Pump's Location
Mounting and unmounting the upper compressor unit For ease of installation Gebwell Gemini is delivered without the upper compressor unit being mounted. The upper compressor unit must be mounted only after the heat pump has been placed on a solid installation platform and adjusted in a horizontally and vertically level position. -
Page 13: Heat Pump Structure
GEMINI structure 5 HEAT PUMP STRUCTURE A. Control centre Electrical switches Charge output device 1 D. Charge return device 1 Condenser device 1 Charging pump Q9.1 G. Conderser drain H. Charge output device 2 Charge return device 2 Condenser device 2 K. -
Page 14: Sensors
Domestic water (open / closed) Room sensor 2 Other controls Room sensor 3 Domestic water change-over valve Other sensors: Cooling change-over valve Pool sensor Cooling pump/change-over valve Cooling output water sensor Jäähdytyksen pumppu/vaihtoventtiili Fixed fuel boiler sensor Domestic water consumption sensor Gebwell GEMINI... -
Page 15: Dimensions And Pipe Connections
Pipe connections 6 DIMENSIONS AND PIPE CONNECTIONS Heat pump connections Charge output Ø 35mm Charge return Ø 35mm Brine in Ø 35mm Brine out Ø 35mm v1-4 22092016... -
Page 16: Pipe Installation
GEMINI 40kW 4x500 – 6x500 4x170 – 5x200 are at the right edge of the device. NOTE! In GEMINI devices the source pump must be installed GEMINI 52kW 5x500 – 8x500 5x170 – 7x200 externally. The pump is delivered in conjunction with the equip- ment delivery. -
Page 17: Charging Circuit
EXAMPLE CONNECTION OF COLLECTION INSTALLATION OF AN EXTERNAL SOURCE CIRCUIT, 1-DEVICE CONFIGURATION PUMP The collection circuit must be equipped with module-specific The source pump is included in the equipment delivery. Pump line flow control valves as shown in the figure. The line flow capacity is to be determined for each heating system entity sep- control valves must be adjusted device-specifically in order to arately. - Page 18 Connection of charging circuit, 2-device configuration In the example figure, the upper compressor unit of the leading device produces heating for domestic water, and all four com- INSTALLATION OF CHANGE-OVER pressor units together produce heating for the building heating VALVE system. Gebwell GEMINI...
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Page 19: Connections Of An Additional Heat Source
Install the change-over valve in accordance with the instructions included in the product package. Exercise great care when posi- tioning the actuator to the valve arbour. An incorrectly installed actuator can cause equipment failure. A. Charging, domestic water (Esbe, square) B. -
Page 20: Connections For External Fixed Fuel Boilers
The system uses the external reservoir to prepare for spikes in the consumption of heat energy. If there are radiators in the circulation of hot water, the connection must be confirmed by an HV engineer. Gebwell GEMINI... -
Page 21: Electrical Connections
2. The heat pump’s power supply may not be switched on before the heat pump’s heating network has been filled with water. This GEBWELL HEAT PUMP EXTERNAL may cause the electrical heater, overheat protector, pumps or compressor to get damaged. -
Page 22: Connection Of The Domestic Water Charging Package (Hwexe)
Connection, connector h, BX8/M GEBWELL HEAT PUMP EXTERNAL HEATING CIRCUIT FLOW SENSOR B1 Mixing heating circuit flow sensor B1 is the control sensor of the heating network. Sensor B1 is placed on the heating circuit out- put line at a distance of approx. 1 m from the 3-way mixing valve. -
Page 23: Change-Over Valve(S)
The thermostat and overheat protector combination, included in MIXING HEATING CIRCUIT the delivery of the accumulator electric resistor, must be con- nected to each electric resistor. The thermostats must be adjusted The heat pump’s controller can be used to control one heating at a value greater than the maximum set point defined for the control group and one pump heating circuit. -
Page 24: Domestic Hot Water's Circulation Pump
The domestic hot water’s circulation pump can be connected to the heat pump’s controller. QX13 Domestic hot water’s circulation pump Connector V Control 230VAC, max 0,7A EXTERNAL GEBWELL HEAT PUMP Y/WH Y/WH 8.15 Alarm forwarding HEATING The possible heat pump alarms can be forwarded e.g. to building CIRCUIT PUMP automation or a modem. -
Page 25: Tariff Control
8.20 Connection of a cascade connection COMPRESSOR’S EXTERNAL ACTIVATION PREVENTION E6 Several heat pumps (Gebwell T, GEMINI and Taurus-series) can be connected to one cascade system. The system’s main device 8.18 Tariff control is defined as the master device (controller 1). There can be 15 slave devices (controllers). - Page 26 EXTERNAL GEBWELL HEAT PUMP EXTERNAL OPTION 1 Y/GR Y/GR ADDITIONAL HEAT SOURCE CONTROL ADDITIONAL HEAT SOURCE CONTROL 0-10V OPTION 2 ADDITIONAL HEAT SOURCE VALVE CONTROL ADDITIONAL HEAT SOURCE VALVE CONTROL 0-10V Gebwell GEMINI...
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Page 27: Filling And Venting
Venting of the collector’s horizontal 9 FILLING AND VENTING Heating system The heating system is filled with water up to the required pres- sure, and vented. • Vent the system carefully before activating the com- pressor. Air in the heating system may trigger alarms in the system. -
Page 28: Cleaning The Collector Filter
(F1) is in the OFF position • electricity is lead to source pump • the source pump’s line protection switch F4 is in OFF position. 10.2 Activation Set the heat pump’s main switch to (Q1) position I. Gebwell GEMINI... -
Page 29: Venting
Set the controllers’ line protection F10 and F11 to po- Heat pump’s output water temp. (2/27) sition I. Condenser’s temp. difference (16/27) Source’s input temperature (17/27) The controller updates the information Source’s output temperature (18/27) Evaporator’s temp. difference (16/27) Turn the domestic hot water off from the user termi- nal. -
Page 30: Venting The Heat Supply Circuit
10.6 Use without a collector and use during Venting the heat supply circuit must be carried out controller- construction site specifically. (The both of GEMINI’s charging pumps) Set the charging pump’s (LP/Q9) line protection The heat pump can be used for heating already before connecting switch to position I. -
Page 31: Activation Of A Cascade System
Select Emergency operation and set the function on 11 HEAT PUMP OPERATION by pressing the navigation roller and rolling the set- ting to the ON mode. Accept by pressing the naviga- 11.1 User interface tion roller. All the usual settings are made from the heat pump’s user termi- nal, and the wishes regarding comfort that the heat pump should implement, are determined. -
Page 32: User Terminal
• *Expert menu * For experts only, maintenance companies, requires a password: Diagnostics pages Settings/maintenance: • Access to all parameters Alarm Alarm acknowledgment/requires maintenance Notification Manual Usage rights (1-3) Heat source in process (e.g. oil/gas burner, heat pump...) Gebwell GEMINI... -
Page 33: Selecting Heating Mode
- If the room temperature is too high, decrease the heat- ing curve slope value. Warm weather: - If the room temperature is too low, turn the roller to Comfort set point, heating clockwise 0.5°C, and press the OK button. - If the room temperature is too high, turn the roller to Comfort set point, heating counter-clockwise to 0.5°C, and press the OK button. -
Page 34: Domestic Hot Water Settings
11.8 Resetting the heat pump The heat pump’s active failure messages from the Regional set- tings menu. The preset activation delay is not taken into consid- eration, so undesired delays are avoided during commissioning and troubleshooting. Gebwell GEMINI... -
Page 35: Site-Specific Definition
12 SITE-SPECIFIC DEFINI- TION 12.1 Time and date The controller features a year clock that indicates the time, week- day and date. The time and date must be set correctly for the heating programme to function properly. ACTIVATION OF HEATING CIRCUITS The time is set in Regional settings 1/3 –menu The heating circuit must be activated in the configuration menu. -
Page 36: Domestic Hot Water
DOMESTIC HOT WATER RELEASE put water temperature must not exceed the floor manufacturer’s recommendations. The release amount determines when the domestic hot water charging takes place. Menu: Expert→ Parameter list Gebwell GEMINI... -
Page 37: Domestic Hot Water Circulation Pump
Menu: Expert → Parameter list If the domestic hot water temperature is lower than the current set point by the switching differential set here, the domestic hot Domestic hot water → 2/6 → 1620 water charging will be activated. The domestic hot water charging shall end, when the tempera- Factory setting: 24h/day ture reaches the set point. - Page 38 Comfort and Reduced set points. a mixed outdoor temperature of 35°C without taking summer compensation into account. Menu: Expert → Parameter list Factory setting: 18°C Cooling circuit 1 → 1/11 → 902 Cooling circuit 1 → 1/11 → 1202 Gebwell GEMINI...
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Page 39: Heat Pump Settings
Cooling circuit 2 → 5/11 → 1223 Output water min set point/ET 35 °C This setting defines the lowest permissible output water temper- ature at a mixed outdoor temperature of 35°C. If an acceptable outdoor temperature value is not available, the controller will use the setting of parameter “Output water min set point/ET 35°C”. -
Page 40: Programming The Reservoir's Resistors And Output Water's Electrical Heaters
“None”. Output water’s electrical heater K25 (relay input QX1) 2840 Return temperature switching difference Menu: Expert → Parameter list Switching off point Configuration → 11/43 → 5890 Switching on point Output water’s electrical heater K26 (relay input QX2) Gebwell GEMINI... - Page 41 Menu: Expert → Parameter list Heat pump → 13/23 → 2881 Configuration → 11/43 → 5891 Adjustment range: 0 - 255min Domestic hot water’s electrical heater K6 (relay input QX3) Factory setting: 30min Menu: Expert → Parameter list Electric output water release integral Configuration →...
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Page 42: Control Of Additional Heat Source
Additional heat source refers to a heating device that operates with the heat pump system, which produces additional heat to the heating and/or domestic hot water system. Additional heat sources may be natural gas, oil, electricity, pellets or district Gebwell GEMINI... -
Page 43: Control Of Fixed Fuel Boiler
message (0-10V) is provided to the heat pump’s Hx switch, which must be programmed as active in the Configuration menu. When the heat pump is controlled with a 0-10V Call for heating control, all the secondary network’s settings and controls must be in the control of the building automation system. -
Page 44: System Info
COMPRESSOR LOCKED: The compressor is locked due to too high or too low temperature of the collector or charging circuit. The compressor will return to normal mode once the tempera- tures return to the correct temperature range. Gebwell GEMINI... - Page 45 Compressor 1 start-up coun- Row num- 8451 Control row Unit/status 3110 Heat delivered 8006 State heat pump On/Off 3113 Energy brought in 8400 Compressor 1 On/Off 3116 Performance factor 8402 El imm heater 1 flow On/Off * 8395 Generated thermal power 8403 El imm heater 2 flow On/Off...
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Page 46: Failures
• Air in the heating system Vent the heating system • Valves closed between the accumulator and the heat- ing circuit Open the valves • External switch for the room temperature drop acti- vated Check any external switches Gebwell GEMINI... - Page 47 Room temperature too high: Soft starter failure notification • Heating circuit setting values are too high Failure in soft starter shows as Soft starter E25 failure notifica- If the room temperature is too high only in tion on controller's display. The amount of flashes of the red cold weather, decrease the heating curve LED light on soft starter indicates the failure.
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Page 48: Troubleshooting Table
If neces- nected. sary, contact Gebwell service. 25: Fixed fuel boiler sen- Failure in the boiler’s Failure in the electrical Contact a qualified Check that the sensor is intact and sensor. - Page 49 No: Failure message Sensor Description Cause Measure Measure 98: Extra module 1 The controller cannot de- Failure in the electrical Contact a qualified Check the fastening of the flat cable tect the extra module 1 system technician. between controllers. Check that the from the channel.
- Page 50 Change the phase se- phases are reversed. In- quence on the plug. stantaneous power failure. Check that the heat Power supply is missing a pump’s fuses are in- phase. The fuse is blown. tact. Contact a quali- fied technician. Gebwell GEMINI...
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Page 51: Maintaining And Servicing The Heatpump
Checking the safety valves 15 MAINTAINING AND SER- VICING THE HEATPUMP Check the operation of the valves twice a year by turning the cap. Ensure that water comes out of the overflow pipe. 15.3 Nominal curves of sensors In order to ensure your heat pump’s long service life and unin- NTC10k (all sensors of the device, excluding the outdoor sensor) terrupted operation, the following inspections must be conducted a few times a year, and more frequently during the first year. -
Page 52: Testing Inputs And Outputs
K26 resistor control is activated. row. (50-100%) Select to row Relay output QX3, accept with button. Ensure the pump’s operation by feeling the pump, re- K6 domestic hot water resistor control is activated. ducing the shut-off valve of the charging circuit (pipe Gebwell GEMINI... - Page 53 End the test by setting to control row No test. Select to row Relay output QX6, accept with button. The alarm relay is activated. The K10 further alarm relay receives control. ALARM FORWARDING TEST End the test by setting to control row No test. Select Input/output test in menu Relay test (7700) v1-4 22092016...
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Page 54: Technical Specifications
16 TECHNICAL SPECIFICATIONS Gebwell GEMINI Power information 0/35 Output power 45,0 61,0 69,2 Cooling power 35,0 48,0 54,8 Input power 10,0 13,0 14,4 0/55 Output power 40,6 54,6 61,8 Cooling power 25,6 35,2 40,2 Input power 15,0 19,4 21,6 5/35... - Page 55 Gebwell GEMINI Refrigerant circuit R410A Refrigerant Refrigerant volume per compressor unit 2,95 2,95 2,95 Cut-off, overpressure 42,0 Difference, overpressure Cut-off, under pressure Difference, under pressure Collector Energy class, collector pump low energy (A) Integrated collector pump Maximum pressure Minimum flow...
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Page 56: Säätimen 1 Kytkentäpisteet
17 SÄÄTIMEN 1 KYTKENTÄPISTEET: 17.1 Sensors GEBWELL HEAT PUMP ADDITIONAL WHITE RESERVOIR 2 BROWN (HEATING LOWER) COMMON OUTPUT WHITE WATER BROWN WHITE ADDITIONAL RESERVOIR 1 BROWN (HEATING UPPER) HEATING CIRCUIT 1 WHITE FLOW SENSOR BROWN WHITE OUTDOOR TEMPER- BROWN ATURE... -
Page 57: Controls
17.2 Controls EXTERNAL GEBWELL HEAT PUMP ALERT, 230 VAC max. 0,7A Y/GR Y/GR ELECTRIC RESISTOR, HEATING STAGE 2 CONTROL 230 VAC ELECTRIC RESISTOR, HEATING STAGE 1 CONTROL 230 VAC ELECTRIC RESISTOR, DOMESTIC WATER CONTROL 230 VAC Q4 DOMESTIC WATER CIRCULATION PUMP... -
Page 58: Setpoint Examples For Heat Pump Adjustments In Different Heating Networks
Row number Control row Factory setting 1600 Operating mode 1610 Nominal set point 50°C Heat pump’s set points: Row number Control row Factory Underfloor Radiator heat- Air heating setting heating 2840 Return water temperature switching differen- tial (8-10) Gebwell GEMINI... -
Page 59: Maintenance Record
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 controller in this column. v1-4 22092016... -
Page 60: Energy Labels
20 ENERGY LABELS Gebwell GEMINI... -
Page 61: Declaration Of Conformity
Declaration of Conformity We, Gebwell Ltd, hereby declare under our sole responsibility that the product Gemini E-Flex Taurus to which this declaration relates is in conformity with the LOW VOLTAGE DIRECTIVE 2006/96/EC ELECTROMAGNETIC COMPATIBILITY DIRECTIVE 2004/108/EC and the following harmonised standards and technical speci cations have been applied:... - Page 62 Gebwell Ltd. Patruunapolku 5 FI-79100 Leppävirta FINLAND VAT number: FI20089567 Tel. +358 (0) 20 123 0800 Telefax +358 (0) 17 554 1102 info@gebwell.fi www.gebwell.com...