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Summary of Contents for Gebwell T2
- Page 1 Installation, operation and maintenance manual T heat pump W W W. G EB WEL L . CO M...
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Page 2: Table Of Contents
Connections of a fixed fuel boiler ......................... 19 Connecting the domestic water system ......................... 19 Cascade connections ............................. 20 ACCESSORIES ....................................21 General .................................. 21 Room sensor QAA55............................21 Wireless room unit QAA78 ..........................21 Gebwell T² Installation, Operation and Maintenance Manual... - Page 3 Wired room unit QAA74 ............................21 Change-over valve ..............................21 Heating control group / pump circuit ........................21 Collector valve group ............................22 Hot water package ..............................22 Electrical heater of supply water ........................... 22 8.10 Contactor centre ..............................22 8.11 SmartWEB remote control ............................
- Page 4 13.13 Call for heating (VAK control) ..........................45 13.14 ModBus communication ............................45 SYSTEM INFO ....................................45 14.1 Special situations ..............................45 14.2 Heat pump status ..............................45 14.3 Heating circuits’ status information ........................46 Gebwell T² Installation, Operation and Maintenance Manual...
- Page 5 14.4 Domestic hot water status information ........................46 14.5 Measurements ............................... 46 FAILURES ......................................48 15.1 Alerts ..................................48 15.2 Troubleshooting ..............................48 15.3 Troubleshooting table ............................50 MAINTAINING AND SERVICING THE HEATPUMP ........................53 16.1 Maintenance notice ............................... 53 16.2 Inspections ................................
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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, heat pump a warranty regarding manufacturing and material faults, with the following contents. The warranty does not extend to or is not valid in case the Warranty period and start date product is used in any other way than required by the sizing. - Page 7 Maintenance service in Finland change that is at the manufacturer’s responsibility. Maintenance work for this product, during the warranty period Gebwell Ltd. is not liable for the breakdown of a wrongfully and after the warranty period, is performed by the maintenance installed device.
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Page 8: Installation Record
Date: Domestic water: System pressure tested System flushed Safety valve Pressure gauge Buffer accumulator Description Note: Inspected by: Date: Electricity: Property fuses Heat pump fuses Phase sequence 32A power socket Outdoor temperature sensor Gebwell T² Installation, Operation and Maintenance Manual... -
Page 9: Heat Pump Operating Instructions
Water system as a heat source 3 HEAT PUMP OPERATING INSTRUCTIONS General Gebwell T is a perfect heat pump, which saves energy and offers efficient technical possibilities. A well-designed and appropriately dimensioned ground source heating system is affordable in terms of operating expenses and energy efficient. -
Page 10: Heating Functions
The charging procedure is activated when the return water measurement value (B71) reaches 21°C. The charging ends, when the return water measurement value is 27°C. The heat pump’s charging pump rotates whenever it is in heating mode. Gebwell T² Installation, Operation and Maintenance Manual... -
Page 11: Delivery And Handling
4 DELIVERY AND Removing the packaging HANDLING The product is packaged in protective plastic such that the installation can be performed without removing the plastic. The protective plastic can be kept in place to protect the pump until activation. Delivery contents •... -
Page 12: Heat Pump's Location
For the same reason, do not install the pump Charge output below the floor surface. Leave free space behind the heat D. Supply water electrical heater (accessory) pump to prevent the transfer of any vibrations. Charge return Gebwell T² Installation, Operation and Maintenance Manual... -
Page 13: Sensor Locations
Condenser Accumulator sensors: G. Charging pump (LP) Domestic water H. Drain valve, charging circuit Additional accumulator 1 (upper) Control centre Supply water electrical heater, operating switch Additional accumulator 2 (lower) (accessory) Additional accumulator 3 (middle) K. Brine to the ground Brine from the ground M. -
Page 14: Control Valves
Ø 28mm cu Ø 35mm Charge return cu Ø 28mm cu Ø 35mm Brine from the cu Ø 28mm cu Ø 35mm ground Brine cu Ø 28mm cu Ø 35mm ground Pipe connections Gebwell T² Installation, Operation and Maintenance Manual... -
Page 15: Pipe Installation
PIPE INSTALLATION When 40x4.2 PN6.3 PEM hoses are used Device Recommended Recommended length of collection active drilling piping (m) depth (m) Collector When viewing from the front, the heat pump’s collector T206 250 – 2x250 100 - 160 pipes are at the right edge of the device. T208 300 –... - Page 16 The line coming from the ground must be branched to the expansion tank. The expansion tank must be directly above the line coming upwards, so that air can rise directly Gebwell T² Installation, Operation and Maintenance Manual...
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Page 17: Connecting Ground Cooling
Pressurised collector Connection options A collector can also be pressurised. In this arrangement, Direct connection to convection heater the diaphragm expansion vessel, which is available as an accessory, is used. If the level expansion vessel does not fit the highest location of the circuit, a pressurised system should be used. -
Page 18: Charging Circuit
Technical specifications table for the minimum flow Connection options: Heating supply Heating return Brine in (from the ground) Brine out (to the ground) Cold water Domestic hot water Hot water circulation FILLING Gebwell T² Installation, Operation and Maintenance Manual... -
Page 19: Connections Of An Additional Heat Source
Connections of an additional heat Connections of a fixed fuel boiler source Boiler control Connection of an additional heat source to the Boiler control refers to an uncontrolled heat source, such as a wood boiler or water-circulated fireplace. The use of heating circuit wood boiler control requires the AVS module sold as an Use of an additional heat source requires the AVS... -
Page 20: Cascade Connections
Up to 16 devices can be connected to one cascade system. Cascade with two heat pumps, Master device 1 operates at the producer of domestic hot water: Master Device Device 1 Gebwell T² Installation, Operation and Maintenance Manual... -
Page 21: Accessories
8 ACCESSORIES Valve’s flow direction, devices T 26 – T General Valve ESBE VRG, actuator ESBE ARA635 Accessories are installation accessories and electrical equipment installed at the factory to facilitate installation. The products’ electrical pre-programming has been carried out for the heat pump already at the factory. The devices’... -
Page 22: Collector Valve Group
• device must be equipped with the AVS75 extension 3-way mixing circuit module. The cooling control enables the control of the • Actuator • Domestic hot water consumption sensor Gebwell T² Installation, Operation and Maintenance Manual... -
Page 23: Cooling Control Group
control valve according to the outdoor temperature and the cooling curve. 9 ELECTRICAL Refer to the manual’s section Site-specific definition / Cooling for the placement of cooling. CONNECTIONS 8.13 Cooling control group General The cooling control group includes the cooling control Electrical installations and possible services may only be function for the controller, control valve, actuator, carried out under the supervision of an authorised... -
Page 24: Power Supply
The thermostat/overheat protector combination supplied Heat pump’s compressor has a three-phase motor. It is with the resistor must be connected to each resistor. The important that the phase sequence be connected correctly. Gebwell T² Installation, Operation and Maintenance Manual... -
Page 25: Change-Over Valve(S)
thermostats must be set higher that the heat pump’s highest set point. The direct connection of resistors to the distribution board may cause additional consumption of electricity. We recommend that a separate contactor centre is always installed for the control of resistors. CHANGE-OVER VALVE ESBE actuator connection (Devices T226 and T232): ACCESSORY... -
Page 26: Domestic Hot Water's Circulation Pump
EXTERNAL SOURCE PUMP QX22 Mixing valve closed Connector T Control 230VAC, 3-point BX21 Domestic water consumption sensor B38 Connector n ntc10k HP SOURCE PUMP H2 /M Flow switch or “jump loop” Connector n Gebwell T² Installation, Operation and Maintenance Manual... -
Page 27: Room Sensor (Accessory) Qaa55
instructions, or the quick guide delivered with the source pump. Source pump’s external control Potential free switch data 9.15 Room sensor (accessory) QAA55. For connection refer to the electrical diagram and the 9.19 Home/Away switch instructions delivered with the room sensor. External home / away switch can be connected to enable CL+ / CL- Room sensor... -
Page 28: Installation Of Extension Module
9.24 Connection of a cascade connection The liquid circuit must be filled at a steady rate through Several heat pumps (Gebwell T- and Taurus-series) can the level vessel. The volume of liquid in the collection be connected to one cascade system. The system’s main circuit is sufficient when the liquid level of the expansion device is defined as the master device. -
Page 29: Filling The Collector, Pressurised
FILLING THE GROUND LOOP FILLING THE GROUND LOOP UTILITY ROOM UTILITY ROOM 10.3 Filling the collector, pressurised Fill the collector with a mixture of water and brine that 10.4 Pressure test of the collector can withstand a temperature of at least -15ºC. We recommend bioethanol, a liquid which is environmentally Perform a pressure test on the filled collector as follows: Increase the pressure to 2bar and check the pressure in 30... -
Page 30: Cleaning The Collector Filter
F3 and F4 are in OFF position. 11.2 Activation Set the heat pump’s main switch to (Q1) position I. Set the line protection F10 to position I. The controller updates the information Gebwell T² Installation, Operation and Maintenance Manual... -
Page 31: Venting
Turn the domestic hot water off from the user - Source’s output temperature (18/27) terminal. - Evaporator’s temp. difference (16/27) Operating mode: Stop Let the heat pump run for about 10-15 mins. Set Simulation on from the user terminal, +30°C. 12. -
Page 32: Venting The Heat Supply Circuit
18. Return to the start with the button. testing, (No test) 19. The pump is programmed and ready to be used. 20. Test the operation of the source pump from the Input/output test menu Gebwell T² Installation, Operation and Maintenance Manual... -
Page 33: Use Without A Collector And Use During Construction Site
11.6 Use without a collector and use during 12 HEAT PUMP OPERATION construction site 12.1 User interface The heat pump can be used for heating already before connecting the collector. In this case, all the heat is All the usual settings are made from the heat pump’s user produced with direct electric energy. -
Page 34: User Terminals
Expert –level. Different user levels can be accessed from Selecting heating mode Selecting domestic hot water mode Service/settings –menu. Exit settings Acceptance of the setting Change room’s comfort set point on Navigation settings Presence indication button Information display Gebwell T² Installation, Operation and Maintenance Manual... -
Page 35: Heating Settings
12.5 Heating settings Room temperature change If you would like to decrease or increase the room The room temperature is dependent of several factors. temperature either temporarily or permanently, do this by During warn seasons, the heat reflected from the sun, and changing the Comfort set point. -
Page 36: Domestic Hot Water Settings
The domestic hot water accumulator’s water temperature varies between the set points (nominal set point – switching differential 5°C). The domestic hot water temperature is set in the menu: Factory setting: 55°C Gebwell T² Installation, Operation and Maintenance Manual... -
Page 37: Site-Specific Definition
13 SITE-SPECIFIC DEFINITION 13.1 Time and date The controller features a year clock that indicates the time, weekday and date. The time and date must be set correctly for the heating programme to function properly. The time is set in Regional settings 1/3 –menu ACTIVATION OF HEATING CIRCUITS The heating circuit must be activated in the configuration menu. -
Page 38: Domestic Hot Water
The domestic hot water temperature is adjusted independently of time programs, all the time, according to Heating circuit 1 → 4/13 → 740 (min), 741 (max) the domestic hot water temperature’s nominal set point. Gebwell T² Installation, Operation and Maintenance Manual... -
Page 39: Domestic Hot Water Circulation Pump
under the nominal set point (1610) 55°C – switching Time program 4 / domestic hot water differential (5024) 5°C. The controller’s time program 4 is complied with in the heating of domestic hot water. In this case, switch • By increasing the Switching differential set point, the connections are made during the set operation times compressor runs for a longer time to prepare the between the nominal set point and the reduced set point. - Page 40 Factory setting: 20°C Factory setting: 25°C Menu: Expert → Parameter list Cooling circuit 1 → 3/11 → 912 Cooling circuit 2 → 3/11 → 1212 Gebwell T² Installation, Operation and Maintenance Manual...
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Page 41: Heat Pump Settings
Heating / cooling lock time: 13.9 Heat pump settings The lock time between heating and cooling operation. CHARGING PUMP’S SPEED LIMITS When summer heating operation is engaged, cooling is disabled during the reference value set here. The heat pump’s charging pump (Q9 / LP) is speed controlled. -
Page 42: Programming The Accumulator's Resistors And Supply Water's Electrical Heaters
Outdoor temperature Factory setting: Replacement Replacement: The electric resistor control is only used in failure situations. Heat pump full operation: The electric resistor control is used to supplement the compressor in heating use. Gebwell T² Installation, Operation and Maintenance Manual... - Page 43 DHW full operation: The electric resistor control is used Factory setting: 20°Cmin to supplement the compressor is DHW use. In heating use, the resistor functions according to the Replacement Electric supply water below ET operation. This setting is taken into account only when the resistor Heating and DHW operation.: The electric resistor control is used to supplement the compressor use (2880).
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Page 44: Control Of Additional Heat Source
In DHW charging: The additional heat source’s Factory setting: 30min operation in the production of domestic hot water. NOTE! Before changing the setting, it must be ensured that charging hydraulically is possible. Gebwell T² Installation, Operation and Maintenance Manual... -
Page 45: Control Of Fixed Fuel Boiler
13.12 Control of fixed fuel boiler the heat pump produces heat to the accumulator or heating network. The ModBus 350 communication connection is A fixed fuel boiler refers to a heating device that operates delivered with separate instructions for installation and in connection with the heat pump system, and the programming. -
Page 46: Heating Circuits' Status Information
Source outlet temp min °C NOTE! Not all measurements are shown in all 8440 Port 1 min idle time remaining applications. Some of the measurements will require additional equipment. 8442 Remain stage 1 on time min Gebwell T² Installation, Operation and Maintenance Manual... - Page 47 8450 Hours run compressor 1 8773 Flow temp 2 °C Compressor start-up 8773 Flow temp setpoint 2 °C 8451 counter Instantaneous water heater’s 8827 3110 Heat delivered pump (Q34) revolutions 3113 Energy brought in 8830 DHW temp 1 (B3) °C 3116 Performance factor 8832...
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Page 48: Failures
LED light on soft starter indicates the failure. • Program for heating circuit is switched on o Go to menu Time program heating circuit and adjust the time program to wanted level • Air in the heating system Gebwell T² Installation, Operation and Maintenance Manual... - Page 49 Number of flashes, red Failure Operation Incorrect phase Changing the phase sequence sequence Automatic restart 5 min after the Incorrect voltage failure Incorrect Automatic restart 5 min after the frequency failure Rotor is not Automatic restart 5 min after the spinning failure Automatic restart 5 min after the...
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Page 50: Troubleshooting Table
Failure in the control Contact a qualified Check the device addresses. duplication pumps with the same system technician. Master device = 1, Device 2 = 2 device address in the etc.… (LPB system) cascade system Gebwell T² Installation, Operation and Maintenance Manual... - Page 51 No: Failure message Sensor Description Cause Measure Measure 98: Extra module 1 The controller cannot Failure in the electrical Contact a qualified Check the fastening of the flat detect the extra module system technician. cable between controllers. Check 1 from the channel. that the extra module is connected to power supply (green light).
- Page 52 Instantaneous Check that the heat power failure. Power pump’s fuses are supply is missing a intact. Contact a phase. The fuse is blown. qualified technician. Gebwell T² Installation, Operation and Maintenance Manual...
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Page 53: Maintaining And Servicing The Heatpump
16 MAINTAINING AND commissioning. However, avoid unnecessary opening of the collector. SERVICING THE Checking the safety valves HEATPUMP Check the operation of the valves twice a year by turning the cap. Ensure that water comes out of the overflow pipe. In order to ensure your heat pump’s long service life and 16.3 Nominal curves of sensors uninterrupted operation, the following inspections must... - Page 54 End the charging pump’s test by setting to control End the test by setting to control row No test. row 7716 ---. CHANGE-OVER VALVE TEST Select Input/output test in menu Relay test (7700) Gebwell T² Installation, Operation and Maintenance Manual...
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Page 55: Technical Specifications
17 TECHNICAL SPECIFICATIONS Gebwell T Power information 0/35 13.3 15.9 22.5 30.5 34.6 Heating output 10.5 12.6 17.5 24.0 27.4 Cooling capacity Input power 0/55 Heating output 12.2 14.6 20.3 27.3 30.9 Cooling capacity 12.8 17.6 20.1 Input power 10.8 5/35 11.2... - Page 56 Max external pressure loss at rated flow Max heating water’s output temperature °C Sound power level 38.5 38.5 43.5 Dimensions and weight Width 1200 Height Depth Weight Pipe connections Brine Charging Controller Gebwell Albatros Compressor Scroll Gebwell T² Installation, Operation and Maintenance Manual...
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Page 57: Controller's Connection Points
18 CONTROLLER’S CONNECTION POINTS Alert output 230V MLP Cont. 0-10V/PWM Source pump control K8 (T20-T30) CC control. 0-10V/PWM Additional accumulator 2 (LOW) Not in use Free measurement Electrical heater DHW Tot. Supply water B10 K6, Control 230V Additional accumulator 1 (UP) B4 Electrical heater K26, Control 230V Brine to ground B92 Electrical heater K25, Control 230V... -
Page 58: Setpoint Examples For Heat Pump Adjustments In Different Heating Networks
Factory setting 1600 Operating mode 1610 Nominal set point 50°C Heat pump’s set points: Control row Factory Underfloo Radiator Air heating number setting r heating heating 2840 Return water temperature switching differential (8-10) Gebwell T² Installation, Operation and Maintenance Manual... -
Page 59: Maintenance Record
20 MAINTENANCE RECORD Date: Measure: *Fault code: Performed by: Nature of maintenance: R= repair maintenance S = change of settings *Fault code: If the device fails, enter the fault code issued by the controller in this column. v2-7 24052017... -
Page 60: Energy Labels
21 ENERGY LABELS Gebwell T² Installation, Operation and Maintenance Manual... - Page 61 v2-7 24052017...
- Page 79 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 80 Gebwell Ltd. Patruunapolku 5 FI-79100 Leppävirta 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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