Summary of Contents for Gebwell T3
- Page 1 Installation, operation and maintenance manual T3 Inverter and Gemini Inverter heat pump W W W. G EB W EL L . CO M...
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Page 2: Table Of Contents
Venting of air from the charge circuit with the built-in charge pump of the heat pump ............44 10.2 Venting the collector with the source pump of the heat pump ....................44 THE HEAT PUMP START-UP ..........................45 11.1 Operation without the collector and operating during construction ..................45 Gebwell T3 Inverter | Gemini Inverter installation manual... - Page 3 MARKING: The CE mark is the manufacturer’s declaration that the product conforms to EU legal requirements. Gebwell Ltd affirms that the product meets all of the requirements of relevant EU directives. The purpose of the CE mark is to facilitate the free movement of goods on the internal market in Europe.
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Page 4: Warranty
If no confirmation is by installation or placement of the product in contravention of delivered, the customer can ask for it directly from Gebwell Ltd.. If the installation, operation and maintenance manual, or the installation record has not been properly completed, the otherwise incorrectly extended warranty will not be valid. - Page 5 The device replaced under warranty is the manufacturer’s property. The warranty form properly completed in relation to the purchase Gebwell Ltd reserves the right to decide how, where and who will must be presented upon request. After the warranty has expired, it...
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Page 6: Installation Record
Circulator pumps Rotation direction of pumps Actuators Checked by (date) DOMESTIC HOT WATER: System filled System pressure-tested System rinsed Safety valve Pressure measuring device Buffer tank Hot water circulation Checked by (date) Gebwell T3 Inverter | Gemini Inverter installation manual... - Page 7 Register the installed heat pump on our website at www.gebwell.fi/rekisteroi-maalampopumppu/. You can also access the registration page on a smartphone by using the QR code below. If you are unable to register the heat pump, call Gebwell Ltd on +358 20 1230 800.
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Page 8: Ground Source Heat And Ground Source Cooling
Further information about heat collection systems and collected using either a network of pipes embedded in a their dimensions can be found on the websites of Gebwell bored well, a heat collector pipes installed close to the soil Ltd. and the Finnish Heat Pump Association (SULPU). - Page 9 (6). The pressure of the refrigerant decreases in the expansion valve, and the temperature drops to approximately -10°C. Figure: Functional description T3 Inverter 1 Heat pump 8 Change-over valve 2 Condenser 9 Heat collector, ground loop...
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Page 10: Heating Functions
The room sensor also affects the set point. In order for the heat pump to operate at maximum efficiency, the heating system and the collector circuit Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 11: Tips For Making Savings
After commissioning, the heat pump sends telemetry data Factory settings: to the Gebwell Smart cloud automatically. Data storage in Heating temperature difference: 5°C the cloud enables the display of the device’s history data... -
Page 12: Safety Instructions
• Do not rinse the heat pump with water. • During installation, keep all of the device’s housing panels intact to prevent water from Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 13: Delivery And Handling
Content of the delivery • Make sure the frame is not in contact with the • Gebwell T3 Inverter / Gebwell building’s structures, with the exception of the Gemini Inverter Heat Pump leveling feet. • Installation, commissioning and maintenance... - Page 14 Remove the front door before removing the side panels. Remove the side panels by opening the screws on the front and rear edges of the device, after which the side panel is pulled to the side. T3 Inverter Gebwell T3 Inverter | Gemini Inverter installation manual...
- Page 15 The cooling module of the heat pump can be opened from You will need a 6-mm ring spanner or socket wrench to the front, sides and back to facilitate the maintenance of open the cover. the heat pump. T3 Inverter T3 Inverter Gemini Inverter Gemini Inverter v1-1 12082021...
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Page 16: Heat Pump Placement
For the same reason, the device must not be installed below the floor surface. Adequate clearance should be left behind the heat pump to prevent vibrations from being transmitted onward. T3 Inverter Heat Pump Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 17: Dimensions And Pipe Connections
35 mm 35 mm ground T3 Inverter Heat supply 35 mm 35 mm Heat return 35 mm 35 mm Heat pump dimensions T3 Inverter – viewed from the front Gemini Inverter T3 Inverter – viewed from the side v1-1 12082021... - Page 18 Installation dimensions of the T3 Inverter pipe Gemini Inverter – viewed from the front connections Viewed from the top Viewed from behind Gemini Inverter – viewed from the side Gebwell T3 Inverter | Gemini Inverter installation manual...
- Page 19 Installation dimensions of the Gemini Inverter pipe Viewed from behind connections Viewed from the top v1-1 12082021...
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Page 20: Structure Of The Heat Pump
- IO expansion module TC1.1 Cooling module: (Inverter compressor) - Charge pump Q9 - Source pump Q8 - Compressor K1 - Condenser LS2.1 - Evaporator LS1.1 - Electronic expansion valve - Filter dryer Gebwell T3 Inverter | Gemini Inverter installation manual... - Page 21 Gemini Inverter Control unit: - Main switch Q1 - Electricity meter EM1 - Frequency converter switch F1 - Source pump switch F2 Internal, lower cooling module Automation: - Charge pump switch F3 Internal, lower cooling module - Controller 2 (TC2) - Source pump switch F5 - Modbus RTU expansion module 2 External, upper cooling module...
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Page 22: Heat Pump Sensors
B21 Charge supply water (space heating) B71 Charge heating water return (heating return) B91 Brine from the ground B92 Brine to the ground B81 Hot gas B85 Suction gas T3 Inverter Gemini Inverter Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 23: Pipe Installation
The symbols used in PI-diagrams. connectors. T3 Inverter and Gemini Inverter heat pumps are not equipped with shut-off valves, and these must be installed immediately outside the device to facilitate maintenance. Install a strainer (dirt separator) in the return water pipes... - Page 24 T3 Inverter Gemini Inverter Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 25: Collector Circuit
(m) the flows in the loops. T3 Inverter 800–2,500 360–1,000 The collector pipe network should steadily rise towards the heat pump to prevent air pockets. If this is not possible, Gemini Inverter 1,600–5,000... - Page 26 Connection instructions The T3 Inverter heat pump has an internal source pump. T3 Inverter Gemini Inverter The Gemini Inverter heat pump has two cooling modules. The external (standard) source pump is included in the The lower module has an inverter controlled compressor standard delivery of the heat pump.
- Page 27 Installing the collector onto several loops If you are using several collector loops, every circuit must easy to adjust and inspect, and it does not freeze. Ventof have shut-off and control valves. Follow the valve air from the circuits one at a time and regulate the flow manufacturer’s instructions when you install control rate in relation to the lengths of the circuits.
- Page 28 Cooling outputs Control circuit Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 29: Heat Supply Circuit
Heat supply circuit • The heating system controls the indoor temperature with The product must be protected from overpressure the help of the control regulator and radiators, underfloor using a safety valve. The opening pressure of the heating, ventilation or convector fans. safety valve can be a maximum of 0.6 MPa (6.0 bar), and it should be installed in the return pipe •... - Page 30 Connecting the heating system T3 Inverter Gebwell T3 Inverter | Gemini Inverter installation manual...
- Page 31 Gemini Inverter v1-1 12082021...
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Page 32: Domestic Water System
The higher-temperature circuit should always be connected as Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 33: Connection Options
Connection options Cascade v1-1 12082021... - Page 34 Domestic water connections Heating circuits 1 Gebwell T3 Inverter | Gemini Inverter installation manual...
- Page 35 Connections to an additional heat source v1-1 12082021...
- Page 36 Cooling circuits 1 Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 37: Electrical Connections
Included standard electronic equipment. The heat pump comes with the following standard equipment, which must be installed and connected according to the instructions when installing the device. T3 Inverter: • Outdoor temperature sensor • Room sensor •... - Page 38 The lower sensor of the domestic water accumulator is installed in the middle/bottom (1/3 of the bottom) of the accumulator, in the sensor pocket. Connect the room sensor (B5) to the T3 connectors X8 and M on the controller. Common flow sensor (B11)
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Page 39: Connection Of The Domestic Water Resistor (K6)
Cascade supply temperature sensor (B10) Change-over valve connection (Y3) The cascade supply temperature sensor is installed in The heat pump can be equipped with an external change- systems with several heat pumps producing heat. over valve for the control of domestic hot water and Gemini’s devices always have a cascade supply heating. -
Page 40: Additional Regulated Heat, Additional Heat Source (Y27)
The adjustment can be made using the heat pump’s user interface. NOTE: The maximum load current on the relay output is 1.5 A (230 V AC) Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 41: Connection Of The External Source Pump (Gemini)
ON. The control system of the circulator pump can be terminal information is connected to the controller changed to function according to a programmed schedule. connections T3, +24V and T5, DU1. This function can be This change can be made using the heat pump’s user used for passive cooling. -
Page 42: Cascade Connection
30 minutes, there is a leak in the system. Repair any leaks and repeat the pressure test. Mark the pressure test as complete in the Insallation record when the pressure test is successful. Gebwell T3 Inverter | Gemini Inverter installation manual... - Page 43 v1-1 12082021...
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Page 44: Checks Before The Heat Pump Start-Up
ON/OFF a few times. CHANGE-OVER VALVE: AUTO/ON/OFF AUTO = factory setting > automatically turns the valve according to the heating needs ON = valve position A > flow to the domestic water accumulator’s charging coil Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 45: The Heat Pump Start-Up
11 THE HEAT PUMP START- 12 HEAT PUMP SETTINGS All heat pump settings should be entered primarily using the app. However, the user terminal of the heat pump can Set the heat pump’s main switch (Q1) in the ON position be used to make basic settings for the device. -
Page 46: Heating Circuit 1/2
The set point to which the heat pump will charge the used to adjust the supply water temperature according accumulator temperature. to the prevailing weather conditions. The adjustment Factory setting 55°C curve can be changed at five different outdoor temperature Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 47: Modbus Communication
points so that the heating output and room temperature can minimum and maximum set values, even if the heating be adjusted as required. graph were to exceed the set point. If you use underfloor heating to heat wet rooms, please A steeper adjustment curve gradient means that the temperature of the supply water changes more when the note the minimum temperature increase when setting the... - Page 48 For serial traffic, the required parameters are the baud rate, impedance is 100 ohms. the parity and the stop bits. The data transfer settings of all devices on the same bus must be the same, and they Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 49: Heat Pump Maintenance And Servicing
13.2 Draining heat pump fluids 13 HEAT PUMP If the compressor unit needs maintenance, close the shut- MAINTENANCE AND off valves on the charge circuit and the collector outside the heat pump and drain the fluids from the lower drains SERVICING of the heat exchangers. -
Page 50: Failure
Wait 20 minutes and check whether the compressor starts up • The device has a failure Check the reason for the failure on the Info menu and take the necessary measures with the help of the troubleshooting table. Gebwell T3 Inverter | Gemini Inverter installation manual... - Page 51 Alarms Registers Device Devices Read/ Register Register Resolution Unit 2, 3 etc. Write type address (divider) (master) (slave) Alarm ack 1=ACK DHW storage 0=Nor- tank temp (upper mal/1=Alarm sensor) DHW storage tank 0=Nor- temp (lower sensor) mal/1=Alarm 0=Nor- Common flow temp mal/1=Alarm 0=Nor- LC 1, flow temp...
- Page 52 1 = 1 on and 2 off 2 = 1 off and 2 on 3 = 1 and 2 on 0 = Auto 1 = Protection 2 = Reduced 3 = Comfort Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 53: Technical Details
Maximum external pressure loss at rated flow Minimum input temperature of brine °C Maximum input temperature of brine °C * T3 Inverter: 60 Hz, Gemini Inverter: on/off compressor unit on, Inverter compressor unit 60 Hz T3 Inverter Gemini Inverter Heating circuit Maximum pressure 0.6 (6 bar) - Page 54 Width Height 1,840 Weight 206.5 402.5 Pipe connections Brine / collector Heating / charge circuit Sound power level (L 37–56 37–56 Sound pressure level (L 22–36 22–36 Controller Gebwell CLI Gebwell CLI Gebwell T3 Inverter | Gemini Inverter installation manual...
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Page 55: Performance Value Graphs
17 Performance value graphs Heating circuit T3 Inverter – free lifting height, charge [kPa – l/s] Gemini Inverter – free lifting height, charge [kPa – l/s] v1-1 12082021... - Page 56 Collector circuit T3 Inverter – free lifting height, collector [kPa – l/s] 0,00 0,50 1,00 1,50 2,00 2,50 Gemini Inverter – free lifting height, brine circuit [kPa – l/s] 0,00 0,50 1,00 1,50 2,00 2,50 3,00 3,50 4,00 4,50 5,00...
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Page 57: Set Point Values For Heat Pump Settings In Different Heating Networks
18 SET POINT VALUES FOR HEAT PUMP SETTINGS IN DIFFERENT HEATING NETWORKS Heating circuit set points Row number Control row Factory setting Underfloor Radiator heating Air heating heating 1,010 Comfort operation set point 1,012 Reduced set point 1,020 Heating curve gradient (0.3–0.5) (0.5–1.0) (0.5–1.0) -
Page 58: Energy Labelling
19 ENERGY LABELLING Gebwell T3 Inverter | Gemini Inverter installation manual... -
Page 59: Appendix 1: Declaration Of Conformity
Products are provided with a CE marking of conformity. Produkterna är försedda med CE-märkning av överensstämmelse. Leppävirta 21.4.2021 Janne Rahunen Managing Director Gebwell Ltd. | Patruunapolku 5, FI-79100 Leppävirta, FINLAND | Tel. +358 20 1230 800 | info@gebwell. | www.gebwell. - Page 60 Supply pump status 0=Off / 1=On Request Current capacity Additional heat source information: Additional heat source 0=Off / 1=On status Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 61 Cumulative system energy kWh (32Bit data) consumption Cumulative COP, heating Cumulative COP, DHW Cumulative system COP Momentary heat production Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 62 0=Off / 1=On Passive cooling 0=Off / 1=On HP switching differential °C Source pump minimum speed Source pump maximum speed Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 63 Supply water min. value °C Supply water max. value °C Directional transfer Heating circuit 3 Set point value 1001 °C Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 64 0=Normal/ 1=Alarm Hot gas 0=Normal/ 1=Alarm Evaporator pressure 0=Normal/ 1=Alarm Condenser pressure 0=Normal/ 1=Alarm Source restriction valve 0=Normal/ 1=Alarm Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 65 1 = Protection 2 = Reduced 3 = Comfort 0 = Auto 1 = Off 2 = ---------- Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 66 Resolution Device 1 Unit 3 etc. Write type 1) address (divider) 2) (master) (slave) 3 = Reserve heat Gebwell Ltd. Patruunapolku 5, FI-79100 LEPPÄVIRTA | Tel. +358 20 1230 800 | www.gebwell.com | info@gebwell.fi Business ID: FI20089567 | Domicile Leppävirta...
- Page 67 Gebwell CLI control menu structure ► Main menu ► Heat pump ► Domestic hot wateri ► Heat circuit 1-3 ► Cool circuit 1 ► Information ► Service menu Heat pump ► Heat pump ► System clock Year Month Houri Minute...
- Page 68 Heat circuit 1-3 ► Heat circuit 1-3 HC operating mode Auto, Off/Prt, Recuced, Comfort ► Sp.room temp. Actual ˚C Comfort ˚C Reduced ˚C Protect ˚C Sp.correction Room temp. control Value is read-only Room temp. comp. Ti room Room influence K, Value is read-only ►...
- Page 69 ► Heat circuit 1-3 ► Week calender HC1 Exception Start time Day of week, Day, Month, Year End time Day of week, Day, Month, Year Selection-1 Day, Area, Day of week, Calendar (Start)day Day of week, Day, Month, Year End day Day of week, Day, Month, Year Weekday Day of week, Day, Month, Year...
- Page 70 Su/Wi Temperature ˚C ► Viikkokalenteri JP1 Present value Value is read-only Monday Time-1 Value-1: Off/Pro., Comfort, Eco Tuesday Wednesday Thursday Friday Saturday Time-6 Time-6: Off/Pro., Comfort, Eco Sunday Exception Start time Day of week, Day, Month, Year End time Day of week, Day, Month, Year Selection-1 Day, Area, Day of week, Calendar (Start)day...
- Page 71 Information ► Information ► Status data and Outside temp. ˚C, Value is read-only measurements Supply pump %, Value is read-only Flow temp. ˚C, Value is read-only Return temp. ˚C, Value is read-only dT supply K, Value is read-only Source pump %, Value is read-only Source temp.
- Page 72 ► Information ► Status data and Setpoint ˚C, Value is read-only measurements Present value ˚C, Value is read-only Control output %, Value is read-only ► Operating hours, Values read- Automation stat. only Compressor 1 Compressor start-ups Hot water charges Supply pump Source pump El.heater Add.
- Page 73 ► Service menu ► Measurements +Circuit 1 (Values read-only) Cond.press. Evap.press. Cond. temp. ˚C Evaporatr temp. ˚C Suct.gas temp. ˚C Superheat Capacity request Present capacity Compressor 1 VSD Compressor 1 Compressor 2 VSD Compressor 2 Discharge templ. ˚C Feedb.esxp.val. +EXD-TEVI Valve SuctionT1 ˚C...
- Page 74 ► Service menu ► Commissioning Restart Execute ► Heat circuit 1-3 Heat circuit 1-3 Enable, Disable Room sensor Disabled, Wired, Wireless 1, Wireless 2, Wireless 1&2 ► Cool circuit 1 Cool circuit 1 Enable, Disable Room sensor Disabled, HC1, HC2 Transfer pump (Q28) Enable, Disable ►...
- Page 75 ► Service menu ► Device settings ► El.heater Switch on Switch hys. Switch on 2 Switch hys 2 Switch on 3 Switch hys. 3 Gain (Kp) Ti Integr.act.t. ► Domestic hot Circulation pump Off, On water ► Heat circuit 1-3 ►...
- Page 76 Service menu Communication ► Service menu ► Communication ► Modbus module 1 State Value is read-only Comm.failure Value is read-only +Kanava 1: Value is read-only Slave Value is read-only Slave address Baud rate Stop bits Parity Parill., Pariton, Ei mitään ►...
- Page 77 Gebwell Ltd. Business ID: 2008956-7 Patruunapolku 5, FI-79100 Leppävirta, FINLAND Tel. +358 20 1230 800 | info@gebwell.fi | www.gebwell.com...
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