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Summary of Contents for Gebwell Qi Series
- Page 1 Installation, Operation and Maintenance Manual Qi Ground Source Heat Pump W W W. GE B W E L L . CO M...
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Page 2: Table Of Contents
Contents WARRANTY ...................................... 5 INSTALLATION RECORD ................................7 GROUND SOURCE HEAT AND COOLING ............................ 8 Ground source heat energy ............................8 Ground source cooling ............................8 Ground source heat pump’s operating principle...................... 8 Heating functions ..............................9 Tips for saving ................................. 9 DELIVERY AND HANDLING ................................ - Page 3 The heat pump's measurements ..........................41 12.8 Vocabulary ................................42 12.9 Heat pump status information ..........................42 12.10 Special situations ..............................42 12.11 Heat pump status ..............................42 12.12 Heating circuit status information ......................... 42 Gebwell Qi Installation, operation, and maintenance manual...
- Page 4 12.13 Domestic hot water status information ........................43 MAINTAINING AND SERVICING THE GSHP ..........................44 13.1 Maintenance notice ............................... 44 13.2 Inspections ................................44 13.3 Draining the hot water accumulator (LVV1) ......................44 13.4 Draining the heating system ..........................44 13.5 Draining the collector ............................
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Page 5: Warranty
1 WARRANTY Gebwell Ltd. Patruunapolku 5, 79100 LEPPÄVIRTA, tel 020 1230 800, info@gebwell.fi issues the product, QI heat pump a warranty regarding manufacturing and material faults, with the following contents. Warranty period and start date terms and conditions, and the warranty does not extend to... - Page 6 Appealing to a warranty-period manufacturer’s responsibility. notification is not valid after the warranty period is over, Gebwell Ltd. is not liable for the breakdown of a unless the notification has been submitted in writing wrongfully installed device.
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Page 7: 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 Qi Installation, operation, and maintenance manual... -
Page 8: Ground Source Heat And Cooling
More information on heat collection systems and their scaling can be found on the website of Gebwell Ltd. and Bored well as a heat source the Finnish Heat Pump Association. -
Page 9: Heating Functions
2.5°C lower than the supply water set point. Charging is deactivated when the measurement value is 2.5°C higher than the set point. Gebwell Qi Installation, operation, and maintenance manual... -
Page 10: Delivery And Handling
4 DELIVERY AND Storage HANDLING Before installation, the ground source heat pump must be kept in its delivery package in a dry and warm location. Safety instructions Transport The following safety instructions are to be taken into The heat pump may be temporarily tilted, but it must not account when handling, installing and using the be left inclined for a long period of time, not even in equipment. -
Page 11: Removing The Compressor Unit
The weight of the compressor unit: and disconnect the compressor unit plugs from the switchboard and the compressor unit. Qi 6 96 kg Qi 8 103 kg Qi 10 104 kg Qi 13 110 kg Gebwell Qi Installation, operation, and maintenance manual... -
Page 12: Removing The Packaging
Removing the packaging A variety of matters related to safety, comfort of use and maintenance must be considered when positioning the The product is packaged in protective plastic such that the ground source heat pump. installation can be performed without removing the The temperature of the location must be between +5°C plastic. -
Page 13: Dimensions And Pipe Connections
Qi6-10 ø22 mm, Qi 13 ø28 mm C1. Cold water ø22 mm C2. Domestic hot water ø15 mm C3. Hot water circulation ø15 mm E1. Electrical connections (outdoor sensor, flow sensor, actuators, etc.) Gebwell Qi Installation, operation, and maintenance manual... -
Page 14: Heat Pump Components
Heat pump components AIR VENT NIPPLE (VI1) CHANGE-OVER VALVE + ACTUATOR (VV1) HOT WATER ACCUMULATOR (LVV1) SWITCHBOARD CIRCUIT BREAKERS (F2, F3, F4, F10) FLOW-THROUGH RESISTOR (SV1) MOTOR’S PROTECTIVE SWITCH (F1) SHUT-OFF VALVE (VS1) OVERHEAT PROTECTOR FOR FLOW-THROUGH SHUT-OFF VALVE (VS3) RESISTOR (SV2) SHUT-OFF VALVE (VS2) SHUT-OFF VALVE (VS4) -
Page 15: Heat Pump Sensors
Heat pump sensors Domestic hot water Charge heating water supply Brine from the ground Brine to the ground Charge heating water return Gebwell Qi Installation, operation, and maintenance manual... -
Page 16: Pipe Installation
6 PIPE INSTALLATION Collector When 40x4.2 PN6.3 PEM hoses are used. Device *Recommended Recommended length of active drilling collection piping depth (m) 300–400 110–130 350–2x250 130–160 Disconnect the collector pipes from the Qi10 400–2x300 160–200 elbow fittings by pressing the plastic collar Qi13 2x250 –... - Page 17 Do not make a connection to the side branch or otherwise so that air is not prevented from rising freely. Connection from left Gebwell Qi Installation, operation, and maintenance manual...
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Page 18: Connecting Ground Cooling
Connecting ground cooling Collector installation in multiple loops When using multiple collectors, shut-off and balancing Ground cooling works best when heat is collected by valves must be included in all circuits. Observe the valve means of a bored well. The temperature of a loop installed manufacturer’s instructions when installing the balancing in the ground or in a lake may rise high enough to prevent valves. -
Page 19: Heat Supply Circuit
If the liquid volume of the heating system is too small in proportion to OUTDOOR SENSOR ON NORTH WALL the heat pump’s power, a buffer accumulator can be used in the heating system. Gebwell Qi Installation, operation, and maintenance manual... - Page 20 Radiator heating HC1 Underfloor heating HC2 Buffer reservoir OUTDOOR SENSOR ON NORTH WALL Buffer reservoir OUTDOOR SENSOR ON NORTH WALL Connecting an heating convector post-heating radiator The ground source heat pump can be supplemented with an accessory QiIV1, which enables connection of post- heating radiator of water-circulating air convector.
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Page 21: Connecting The Domestic Water System
Install shut-off valves in the pipe connections as close to the heat pump as possible. Water must not spill on the pump or in the electrical devices during operation. Gebwell Qi Installation, operation, and maintenance manual... - Page 22 The domestic water system must be equipped with a safety valve (max 10bar) installed in the cold water line as shown in the figure. It is recommended to lead the overflow pipe of the safety valves to the nearest floor drain. Install the overflow pipe so that the water can flow out of the pipe without obstructions.
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Page 23: Electrical Connections
"NO GROUND FAULT CIRCUIT INTERRUPTER (GFCI), SOCKET IS TO BE USED FOR GROUND SOURCE HEAT PUMP ONLY" LED light Outdoor sensor The outdoor temperature sensor is equipped with connector X3. The sensor has been connected to the Gebwell Qi Installation, operation, and maintenance manual... -
Page 24: Room Sensor (Accessory) Qaa55
control unit and the sensor head. The sensor is equipped Heating control group 2 (accessory) with a 15m cable. Mixing valve (X1) for heating circuit 2 and flow sensor The outdoor temperature sensor is already wired to the B12 (X2) are equipped with a connector. Heating circuit control centre. -
Page 25: Connection Of The Hot Water Circulation Pump
Turning the switch off will activate the source pump. 7.15 Modbus 350 communication module MODBUS communication module enables the control and monitoring of the heat pump on a computer on your local network. With the help of the Modbus 350 Gebwell Qi Installation, operation, and maintenance manual... -
Page 26: Filling
communication module you will get the heat pump connected to your home automation system. Connection: Connect the ribbon cable of the Modbus 350 FILLING THE GROUND LOOP communication module to X60 connector. 8 FILLING Filling the heating and domestic water circuits The coil of the heat pump’s accumulator contains water of the heating system. -
Page 27: Pressure Test Of The Collector
Pressure test of the collector Perform a pressure test on the filled collector as follows: Increase the pressure to 2bar and check the pressure in 30 minutes. The system has a leak if the pressure has dropped Gebwell Qi Installation, operation, and maintenance manual... -
Page 28: Ground Source Heat Pump's User Interface
9 GROUND SOURCE HEAT PUMP’S USER INTERFACE On the front door: E2: Controller Operating elements AVS74 operating terminal Behind the front door: F1: Motor’s protective switch Compressor F2: Circuit breaker Flow-through resistor F3: Circuit breaker Source pump Heat supply pump F4: Circuit breaker External heat supply pump F10: Circuit breaker... -
Page 29: Display Symbols
The device is mainly used on End user –level. The mechanic installing the heat pump uses device on Expert –level. Different user levels can be accessed from Service/settings –menu. Gebwell Qi Installation, operation, and maintenance manual... -
Page 30: Activating The Ground Source Heat Pump
10 ACTIVATING THE 10.3 Operation without a collector and at a worksite GROUND SOURCE HEAT The ground source heat pump can be used for heating even PUMP before the collector is connected. In this case, all heat is generated using direct electrical resistor power, and the Upon delivery, all the pump’s motor protection switches maximum heating power is 3 kW/6 kW/9 kW (see and circuit breakers are in the 0 position. - Page 31 • Ensure that there is a sufficient amount of liquid in the system’s expansion vessel. • Once the venting is complete, continue running the source pump (P1) and repeat the procedure Gebwell Qi Installation, operation, and maintenance manual...
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Page 32: Heat Pump Settings
11 HEAT PUMP SETTINGS 11.4 Domestic hot water settings The unit controls the DHW temperature according to the 11.1 Time and date time program, or constantly according to the current set point. "Hot water temperature 1" on heat pump's menu The controller features a year clock that indicates the time, indicates the temperature at the bottom of the accumulator weekday and date. -
Page 33: Settings For Heating Functions
The first circuit of the heat pump is the internal circuit of Frost protection the pump. Heating circuit 1 is on as a factory setting. If the system is installed with a mixing heating circuit, the Gebwell Qi Installation, operation, and maintenance manual... - Page 34 Protection operation automatically prevents the room automatically without the user having the turn the heating temperature from dropping too low. The temperature is at on or off. The annual periods can be shortened or the level defined by the frost protection set point. lengthened by changing the set values.
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Page 35: Settings For The Compressor Functions
NOTE! This menu may only be used to change the control rows advised in this manual. Changing the Allowed adjustment range: 4 - 20°C other values may cause incorrect functions resulting in equipment malfunction. Gebwell Qi Installation, operation, and maintenance manual... -
Page 36: Settings For The Electric Resistor (Sv1)
11.7 Settings for the electric resistor (SV1) The electrical resistor of the heat pump operates in 2 phases according to factory settings. 2-phase resistance means that two resistors with different power operate at different times. If more resistor power is needed, the power can be increased to 3-phase. - Page 37 (2882 and 2883). here. Adjustment range: 0 - 500°C min Adjustment range: (---)** -30 - +30°C min Factory setting: 200°C min Factory setting: --- ** No release temperature defined Gebwell Qi Installation, operation, and maintenance manual...
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Page 38: Heat Pump Operation
12 HEAT PUMP OPERATION Alarm Alarm acknowledment/requires maintenance Notification Manual Usage rights (1-3) Heat source in process (e.g. oil/gas burner, heat pump...) 12.3 Setting the heating The setting of room temperature is performed in 12.1 Navigating in the menu “Temperatures” - menu. Turn the navigation roller →... -
Page 39: Setting Domestic Water Heating
If a thermostat is in the control range, it may cause unnecessary consumption of electricity. Gebwell Qi Installation, operation, and maintenance manual... -
Page 40: Heating System Tracking
The hot water accumulator's water temperature varies Other displays: between the values set (nominal set point - switching Heating circuit 1 status differential 5°C). Heating circuit 2 status Domestic hot water temperature is set on “Domestic hot Outdoor temperature -menu water”... -
Page 41: The Heat Pump's Measurements
Condenser temperature difference °C 8773 Supply water set point 2 °C 8426 Evaporator temperature difference °C 8830 Domestic water temperature 1 °C 8427 Source incoming temperature °C 8832 Domestic water temperature 2 --- * Gebwell Qi Installation, operation, and maintenance manual... -
Page 42: Vocabulary
Maintenance or deviating behaviour Running hours of domestic water 8840 pump If this symbol appears on the display, the device has issued a maintenance notification or is operating in an abnormal The start-up counter of domestic 8841 way. Press the info button to view additional information. water pump 12.11 Heat pump status * Not in use on Qi heat pump... -
Page 43: Domestic Hot Water Status Information
CHARGING ACTIVE: The heat pump produces hot water. ELECTRIC HEATER CHARGING: Hot domestic water charging is active with the help of electric heater. Gebwell Qi Installation, operation, and maintenance manual... -
Page 44: Maintaining And Servicing The Gshp
13 MAINTAINING AND General appearance and leaks SERVICING THE GSHP Check the interior and exterior of the ground source heat pump for liquid leaks, oil and other deviations from In order to ensure your heat pump’s long service life and normal operation. -
Page 45: Draining The Collector
Connect a hose to drain valve VT2 in the lower connection of the evaporator • Loosen the connection of shut-off valve VS1 between the heat pump and collector so that some air can enter the system Gebwell Qi Installation, operation, and maintenance manual... -
Page 46: Failures
14 FAILURES • Valves closed between the accumulator and the heating circuit In most cases, the controller detects a malfunction of the Open the valves heating system and indicates this with a failure • External switch for the room temperature drop notification appearing on the display. - Page 47 Automatic restart 5 min after the failure Over current after start-up Automatic restart 5 min after the failure Asymmetrical input voltage Automatic restart 5 min after the failure, if all phases are connected Gebwell Qi Installation, operation, and maintenance manual...
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Page 48: Troubleshooting Table
10: Outdoor sensor or it is not connected. system technician. connected. If necessary, contact Gebwell service. Check that the connecter 31: Supply water sensor The supply water sensor for Failure in the electrical Contact a qualified... - Page 49 Air in the heating the heat supply network. of heating. Check that the system. The heating system charging pump is pressures are too low. A running. If necessary clogged strainer. contact a qualified technician. Gebwell Qi Installation, operation, and maintenance manual...
- Page 50 No: Failure message Sensor Description Cause Measure Measure Vent the heating network. Check the network pressure. Check the functioning of High pressure switch has tripped Too low a flow in charging Clean the strainer. 224: Hot water start-up the change-over valves. in connection with the start-up circuit.
- Page 51 RESET FOR THE OVERHEAT PROTECTOR IS UNDER THE FUSE BOX Gebwell Qi Installation, operation, and maintenance manual...
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Page 52: Technical Specifications
15 TECHNICAL SPECIFICATIONS Gebwell Qi Power information 0/35 Heating output (kW) 13.3 Cooling capacity (kW) 10.5 Input power (kW) 0/55 Heating output (kW) 12.2 Cooling capacity (kW) Input power (kW) System’s energy efficiency class. intermediate climate A+++ conditions. underfloor heating... -
Page 53: Set Point Examples For Heat Pump Adjustments In Different Heating Networks
Room sensor compensation 20 % 1030 Summer / winter heating limit Set points of the heat pump Underfloor Radiator Row number Control row Factory setting Air heating heating heating 2840 Return temperature switching (8-10) Gebwell Qi Installation, operation, and maintenance manual... -
Page 54: Maintenance Record
17 MAINTENANCE RECORD Date: Measure: *Fault code: Performed by: *Fault code: If the device fails. enter the fault code issued by the controller in this column. v3-8 23052017... -
Page 55: Energy Labels
18 ENERGY LABELS Gebwell Qi Installation, operation, and maintenance manual... -
Page 62: 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 63 ...
- Page 64 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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