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Summary of Contents for CTC Union Expansion EnergyFlex
- Page 1 162 505 78-1 2020-10-13 Providing sustainable energy solutions worldwide Installation and Maintenance Manual CTC Expansion EnergyFlex Important! • Read carefully before use, keep for future reference. • Translation of the original instructions.
- Page 3 162 505 78-1 2020-10-13 Installation and Maintenance Manual CTC Expansion EnergyFlex...
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Page 4: Table Of Contents
Innehållsförteckning 4.3.6 Pool ____________________________________ 23 Technical data _______________________________________________________ Delivery includes: 4.3.7 Valve 2 tanks (Y30) ________________________ 23 ________________________________________________________ Accessories 4.3.8 Valve bedrock (Y31) _______________________ 23 _______________________________________________________________ EnergyFlex Sensor installation _____________________________________________________________ ____________________________________________ System options 4.4.1 Sensor connection (extra low-voltage __________________________________________________ 2.1.1 EnergyFlex schematic diagrams ______________ 9 protection) _______________________________ 25 2.1.2 EcoSol - Exemple CTC EcoHeat and 4.4.2 Factory-fitted sensors _____________________ 26... - Page 5 CTC Expansion EnergyFlex System requirements Program version for the display card must be With CTC Expansion EnergyFlex, you can control your 2014-12-19 or later. solar collectors or heat your pool, for example, directly from the menus of your CTC product, providing an CTC Expansion EnergyFlex complements the following integrated control system.
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Page 6: Technical Data
Technical data Supply 230V 1N~. Max fuse size 10 A Total max. load CTC Expansion EnergyFlex 10 A Max load relay output Electrical data 3-way valve 230V 1N~. Sensor (extra-low voltage protection), NTC22k, 0/66k, 10/41.8k, 15/33.5k, 20/27.1k, 25/22k, °C/ohm 30/18k, 35/14.8k, 40/12.2k, 50/8.4k, 60/6.0k, 70/4.3k, 80/3.1k, 90/2.3k, 100/1.7k... -
Page 7: Energyflex
If you are unsure how to make the connection, contact CTC for suggestions on how to install the system. The picture shows the possible connections. The installation engineer fi ts expansion tank, safety valves, bleeders, etc. and sizes the system. CTC Expansion EnergyFlex... -
Page 8: System Options
(CTC EcoHeat 400 or CTC EcoZenith i255), the system needs to be supplemented with an accumulator tank. Example of wood-fired system with group of chargers. Energyflex can also be used to draw energy, e.g. to heat a swimming pool. CTC Expansion EnergyFlex... -
Page 9: Energyflex Schematic Diagrams
Solar: Heat bedrock option Solar: Alternative solar coil (only "Solar system 2" with CTC EcoTank) Diff thermostat system Pool system The picture shows the possible connections. The installation engineer fits expansion tank, safety valves, bleeders, etc. and sizes the system. CTC Expansion EnergyFlex... -
Page 10: Ecosol - Exemple Ctc Ecoheat And Ctc Ecozenith I255 H/L
Energy can be collected through the solar outputs (solar panels, wood-fired boiler) or generated (swimming pool). Available as accessories are pre-bent pipes with couplings and insulation to facilitate installation. The EnergyFlex kit 400 pipe kit accessory fitted to H-tank. CTC Expansion EnergyFlex... -
Page 11: System Structure
3. System structure The various systems that can be connected to the product are shown here. Solar Panel The number of solar panels which can be connected depends on the volume of water in the product/tanks to which the solar panels are to be connected. These diagrams are just basic outlines, so the exact placement may differ in reality. -
Page 12: Solar System 2
3.1.2 Solar system 2 System design with H-tank (CTC EcoHeat 400/CTC EcoZenith i255) and CTC EcoTank (buffer tank). It is not possible to connect an EHS- tank to this system. This system allows for a larger solar collector area since it carries a greater volume of water and the energy can be stored in the bedrock. -
Page 13: Solar System 2B With Solar Coil
3.1.3 Solar system 2b with solar coil System design with H-tank (CTC EcoHeat 400/CTC EcoZenith i255) and CTC EcoTank (buffer tank). It is not possible to connect an EHS- tank to this system. This system allows for a larger solar collector area since it carries a greater volume of water and the energy can be stored in the bedrock. -
Page 14: Solar System 3
EcoTank sensor. Exchange will take place when the prioritised tank reaches its charge temperature. Bedrock/ground source heating only The picture shows the possible connections. The installation engineer fits expansion tank, safety valves, bleeders, etc. and sizes the system. CTC Expansion EnergyFlex... -
Page 15: System Option: Bedrock Heating
Example of bedrock charging with "Solar system 1". Bedrock charging can also be activated in "Solar systems 2 and 3". The picture shows the possible connections. The installation engineer fits expansion tank, safety valves, bleeders, etc. and sizes the system. CTC Expansion EnergyFlex... -
Page 16: Pool
Pool A pool can be connected to the system using a 3-way valve (Y50). A heat exchanger should be fitted to separate the liquids. When the pool is heated, the 3-way valve (Y50) changes direction and the pool pump (G51) starts. Diff thermostat function The diff thermostat function is used to transfer heat from, for example, a buffer tank or existing wood boiler... -
Page 17: Parts List
Parts list Designation Designation Comment H-tank Main tank (EcoHeat 400/EcoZenith i255). EcoTank Buffer tank (CTC EcoTank or similar). X-volume Extra volume tank (or pool) Cooling module in CTC EcoHeat, GS 600, GSi 600 or Heat pump CTC EcoPart. Tank for differential thermostat The water volume in the wood-burning system that energy is function taken from with the differential thermostat function. -
Page 18: Installation
Power supply X1 Terminals for communication to Terminal block X5 Screws (x4) for relay card (A2) and display(A1) opening the unit. (RJ-45). NB: Do not touch the PCB’s components. The PCB can be damaged by static discharge. CTC Expansion EnergyFlex... -
Page 19: Safety Switch
The PWM control signal is connected to the following terminal blocks: Expansion card X5: Note the cable colours! PWM+: white Terminal block X5: 1 GND: brown Terminal block X5: 2 Check the function by test running the pump in the "Installer/Service/ Function test/Solar" menu in the control system. CTC Expansion EnergyFlex... -
Page 20: Circulation Pump, Solar Collector (G30) Grundfos Upm3 Solar
Check the function by test running the pump in the "Installer/Service/ Function test/Solar" menu in the control system. The pump must be set to PWM C profile (default) Operation data Setting Selected setting > 2 s. 2 s. 10 s. CTC Expansion EnergyFlex... - Page 21 8.5 m 10.5 m Constant Curve 7.5 m 10.5 m 14.5 m Control Mode Mode xx-75 xx-105 xx-145 PWM C Profile PWM C Profile PWM C Profile PWM C Profile Alarm info: Blocked Supply voltage low Electrical error CTC Expansion EnergyFlex...
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Page 22: Pump Bore Hole Charging (G31, On/Off)
Terminal block A:11(EcoZenith i255, GS 600, GSi 600) Terminal block A:12 (EcoHeat 400) Zero: blue Earth: yellow/green Check the function by test running the pump in the menu"Installer/Service/ Function test/Diff thermostat function" or "Solar" in the control system. CTC Expansion EnergyFlex... -
Page 23: Pool
582581001 22 3/4” Valve 582581001 (see image) must only be connected with relay output, X6 pole 8 and neutral, X6 pole 11 Check the function by test running the valve in the menu "Service/Function test/Solar" in the control system. CTC Expansion EnergyFlex... -
Page 24: Sensor Installation
- Up to 50 m 2 x 0,75m • Avoid positioning sensor cables next to high-voltage cables. NTC22k sensor, white cable Solar sensor PT1000, grey or red cable Contact paste Sensory element Sensor Sensor cable Primary flow pipe Cable tie Insulation CTC Expansion EnergyFlex... -
Page 25: Sensor Connection (Extra Low-Voltage Protection)
X-volume/buffer tank/EcoTank sensor, lower (B42, NTC22k) Measures temperature in the lower part of the tank. Mounted in the lower part of the acc. tank or in the pool. Connected to the expansion card X2: Terminal block X2: 11 Terminal block X2: 12 CTC Expansion EnergyFlex... -
Page 26: Factory-Fitted Sensors
Measures the temperature in the DHW tank. H-tank sensor lower (B6, NTC22k) Measures the temperature in lower part of CTC EcoHeat/EcoZenith i255. Brine temperature sensor (B23, NTC22k) Measures the brine temperature in the heat pump. Factory-installed in EcoHeat/EcoPart. CTC Expansion EnergyFlex... -
Page 27: Resistance Level Of The Temperature Sensors
3130 1347 3650 1385 4280 1461 5045 1535 5960 7080 8450 10130 12200 14770 18000 22000 27100 33540 41800 52400 66200 84750 108000 139000 181000 238000 NTC22k sensor, white cable Solar sensor PT1000, grey or red cable CTC Expansion EnergyFlex... -
Page 28: Wiring Diagram
Wiring diagram... -
Page 29: Connection Table For Expansion Card A3
Pump, bore hole X6:8 3-way valve, pool X7:24 Relay recharging 3-way valve, pool X7:25 Pump, bore hole X6:10 recharging 3-way valve, pool X7:26 Pump, bore hole X6:11 * cable can be connected regardless of terminal block for component recharging CTC Expansion EnergyFlex... -
Page 30: Detailed Menu Descriptions
5. Detailed menu descriptions This chapter describes the display menus that are included with Extension card EnergyFlex. Applies to main products shipped from 14/09/2020. For more information about the design of the menu system, refer to the respective main product’s "Installation and Maintenance Manual". -
Page 31: Installer
Installer The "Installer" menu contains four sub-menus: • Display • Settings • Define • Service Menu: "Installer". Defi ne For more information about possible system configurations, refer to the respective main product’s "Installation and Maintenance Manual". The menu rows shown in the menu screenshots below may vary depending on the model of heat pump/control product. -
Page 32: Def. Pool
5.3.2 Def. Pool Pool No (Yes/No) Select "Yes" to connect the pool to the heating circuit. Block pool ext. config None (None/NC/NO) This menu bar is displayed if an "Input" for remote control is defined for the "Block Pool" function in the "Installer / Define / Remote Control"... -
Page 33: Settings
Settings The settings required for the heating circuit to function optimally are made under the "Settings/" menu. The menu rows shown in the menu screenshots below may vary depending on the model of heat pump/control product. Menu: "Installer / Settings". 5.4.1 Settings Diff thermostat function... - Page 34 Charge stop diff temp °C 3 (3...30) Set the temperature difference at which solar heating charging should start. When the temperature difference between the solar panel and the tank falls below this set value, the charging stops. Charge pump min % 20 (20...100) Specify the minimum permissible speed of the charge pump (G30;...
- Page 35 5.4.2.2 Panel protection This is where settings are made for the functions that protect the solar panels from overtemperatures and the risk of freezing. Over temp protection panel No (Yes/No) Activate the protection function to protect the solar panel overtemperatures. This is done by cooling the solar panel.
- Page 36 5.4.2.4 Settings H-tank/ EHS-tank/ EcoTank/ X-volume The menu heading displayed (Settings H-tank or Settings EHS-tank) depends on the model of heat pump/indoor module. Menu heading "Settings H-tank" is displayed for "Solar system 1-3". Menu heading "Settings EHS-tank" is displayed for "Solar system 2". Menu: "Installer / Settings / Solar Panels / H-tank".
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Page 37: Settings Dhw Circulation
5.4.2.5 Charge H-tank settings Function applicable to charging conditions between EcoTank and main tank (H-tank) in "Solar system 2". However, this function cannot be combined with "Diff thermostat function" since the same circulation pump (G46) is used by both functions. Charge start diff temp °C 7 (3...30) Set the temperature difference at which charging to... -
Page 38: Settings Pool
5.4.4 Settings Pool For more information about setting a weekly program and remotely controlling functions, refer to the main product’s "Installation and Maintenance Manual". Pool Blocked (On/Blocked) Select whether the pool heating should be "On" or "Blocked". Pool temp °C 22 (20...58) Set the desired pool temperature. -
Page 39: Operation Data
Operation data Operation data menus for the functions added with the Extension Card EnergyFlex are described below The operating values specified in the menu screenshots are only examples. Menu: "Operation Data". (Example: model CTC EcoZenith i360 with air/water heat pump The pumps and tanks shown in the CTC EcoAir). - Page 40 Pump (G46) Shows whether the charge pump is in operation during EHS-tank transfer. Pump H-tank (G46) Shows whether the charge pump is in operation during main tank transfer. Pump bedrock (G31) Shows whether the charge pump is in operation during bedrock charging.
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Page 41: Operation Data, Pool
5.5.2 Operation data, Pool The heat sources that can charge the pool vary depending on the model of heat pump/control product. Status Blocked Shows the current operating status ("On", "Off", "Blocked" or "Blocked Externally"). • "Blocked" means that pool heating has been blocked from the "Installer / Settings / Pool"... -
Page 42: Service
Service This menu is intended for the installer and service engineer only. The tanks that can be defined vary depending on the model of heat Menu: "Installer / Service" (EZ i360) pump/control product. 5.6.1 Function test This menu is intended to test the function of the various components in the product. - Page 43 5.6.1.2 Test Diff thermostat/EHS/ External Boiler The menu rows displayed in the test menu depend on the model of heat pump/indoor module and configuration. Pump (G46) On/Off Function test of charge pump for EHS-tank. Pump H-tank (G46) On/Off Function test of charge pump for H-tank. Mixing valve (Y41) Opens/Closes Menu: "Installer / Service/ Function Test / Diff Thermostat"...
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Page 44: Alarm Texts And Troubleshooting/Appropriate Measures
“Cool overtemp” are activated. (Menu: Panel protection functions). When the “Comm. fault expansion card” alarm flashes, this indicates that Comm. error expansion card the communication between the display card and the expansion card is not working. Action: Check the connection between the cards. CTC Expansion EnergyFlex... - Page 45 CTC Expansion EnergyFlex...
- Page 48 162 505 78-1 2020-10-13 Enertech AB. P.O Box 309 SE-341 26 Ljungby Sweden. www.ctc.se, www.ctc-heating.com...
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