CTC Union EcoZenith i550 Pro Installation And Maintenance Manual
  1. Manuals
  2. Brands
  3. CTC Union Manuals
  4. Heating System
  5. EcoZenith i550 Pro
  6. Installation and maintenance manual
CTC Union EcoZenith i550 Pro Installation And Maintenance Manual

CTC Union EcoZenith i550 Pro Installation And Maintenance Manual

Hide thumbs Also See for EcoZenith i550 Pro:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Installation and Maintenance Manual
Installation and Maintenance Manual
162 105 20-1
2013-06-13
i
CTC EcoZenith
550 Pro

Advertisement

Table of Contents
loading

Related Manuals for CTC Union EcoZenith i550 Pro

Summary of Contents for CTC Union EcoZenith i550 Pro

  • Page 1 Installation and Maintenance Manual 162 105 20-1 2013-06-13 CTC EcoZenith 550 Pro...

  • Page 2: Table Of Contents

    11.1 Information messages _____________________________________________ ____________________________________ Safety Instructions 11.2 Alarm messages _____________________________________________________ ____________________________________________ Scope of delivery ________________________________________________________ CTC EcoZenith i550 Pro design FOR THE INSTALLER _________________________ Main components 12. Transportation, unpacking and installation ____________________________________________ ______ CTC EcoZenith i550 Pro function 12.1 Transportation...
  • Page 3 General Information Congratulations on buying your new product You have just bought a CTC EcoZenith i550 Pro, which Your CTC EcoZenith i550 Pro has built-in finned copper we hope you will be very pleased with. In the following coils which provide plenty of hot water and another pages you can read about how to operate and maintain finned copper coil to handle the heat from solar panels.

  • Page 4: Check List

    Installation and maintenance manual supplied to the customer Checks and filling, heating system Trimming information, heat curve Alarm information Mixing valve Safety valve function test Warranty conditions Information on procedures for fault registration ______________________________________ ______________________________________ Date / Customer Date / Installer CTC EcoZenith i550 Pro...

  • Page 5: Important To Remember

    Important to remember! Check the following points in particular at the time of delivery and installation: • The CTC EcoZenith i550 Pro must be transported and stored in an upright position. When moving the product, it can be placed temporarily on its back.

  • Page 6: Scope Of Delivery

    General Information Scope of delivery Standard delivery • Multitank CTC EcoZenith i550 Pro • Additional package with: – Installation and Maintenance Manual – Outdoor sensor – Room sensor – Safety valve 9 bar (tap water) – Safety valve 2.5 bar (radiator system) –...

  • Page 7: Ctc Ecozenith I550 Pro Design

    General Information CTC EcoZenith i550 Pro design This chapter illustrates the main components and describes the subsystems which, in different configurations, form part of the main system. For more informa- tion about the EcoZenith configurations, refer to the “Pipe connections” chapter.

  • Page 8: Ctc Ecozenith I550 Pro Function

    It also provides for extensions and additions to the system in the future. The CTC EcoZenith i550 Pro is divided into two tanks which are isolated from each other in order to be able to hold different temperatures in the two tanks.

  • Page 9: Heating System

    See also Heating system Menu in the Detail Description Menus chapter (Installer/Settings/Heating circuit 1-3). See also Room temperature Menu in the Detail Description Menus chapter. You access the menu directly from the main menu. CTC EcoZenith i550 Pro...

  • Page 10: Dhw

    This means that hot water is always available at the tap. To save energy the HWC pump can be time controlled from the EcoZenith. See also Upper tank Menu in the Detail Description Menus chapter (Installer/Settings/Upper tank). CTC EcoZenith i550 Pro...

  • Page 11: Heat Pump

    20 minutes of charging, the diverting valves reverse the direction and the heat pump charges the lower tank. This is to prevent loss of temperature in the heating system. See also Upper tank Menu in the Detail Description Menus chapter (Installer/Settings/Upper tank) CTC EcoZenith i550 Pro...
  • Page 12 The immersion heater is only brought into use if the heat pump is blocked for any reason. See also Lower tank Menu in the Detail Description Menus chapter (Installer/Settings/Lower tank) and the DHW chapter. CTC EcoZenith i550 Pro...
  • Page 13 “recover” and to provide increased output of the installation. Remember that only one heat pump can be connected via the diverting valves and charge hot water in the upper tank. See also Heat pump Menu in the Detail Description Menus chapter (Installer/Settings/Heat pump A1-A3) CTC EcoZenith i550 Pro...

  • Page 14: Wood Boiler

    In special cases, such as operation with a water-jacketed stove, the charge pump may be controlled from the EcoZenith without installing a charge system. See also Wood Boiler Menu in the Detail Description Menus chapter (Installer/Settings/Wood boiler) CTC EcoZenith i550 Pro...

  • Page 15: Additional Boiler (Pellets, Oil, Gas, Electricity)

    60°C and stops once the temperature has reached 65°C. A shorter operating time may be set to ensure the external boiler is in operation even if the charge pump is switched off. See also External Boiler Menu in the Detail Description Menus chapter (Installer/Settings/Ext boiler) CTC EcoZenith i550 Pro...

  • Page 16: Solar Energy

    Based on the factory setting, the sun will heat the lower tank in the EcoZenith to 85°C before the charging is stopped. See also Solar Panels Menu in the Detail Description Menus chapter (Installer/Settings/Solar panels) CTC EcoZenith i550 Pro...

  • Page 17: Recharging Bedrock/Ground

    Safety measures for the collector/solar system are available. See also Protection Collector Menu in the Detail Description Menus chapter (“Installer/Settings/Solar panels/Protection collector”) and also Winter Mode Menu in the Detail Description Menus chapter (“Installer/ Settings/Solar panels/Winter mode”) CTC EcoZenith i550 Pro...

  • Page 18: External Hot Water Tank

    It is also possible to set the pool priority to high or low, which determines whether or not additional heat can be used for heating the pool. See also Pool Menu in the Detail Description Menus chapter (Installer/Settings/Pool) CTC EcoZenith i550 Pro...

  • Page 19: External Buffer Tank

    Efficiency of the solar panels increases when they work towards a low water temperature, which is the case in spring and autumn, as there is no great need for heating during either of these seasons. The temperature levels stated above can be adjusted. CTC EcoZenith i550 Pro...
  • Page 20 Charging from the buffer tank to both the upper and the lower tanks in the EcoZenith is stopped when the temperature difference has fallen to a difference of 3 degrees. The temperature levels stated above can be adjusted. CTC EcoZenith i550 Pro...

  • Page 21: Cooling Ctc Ecocomfort

    flows and floor heating/fan convector capacity, and will vary during the warm part of the year. See CTC EcoComfort manual for more information. See also Cooling Menu in the Detail Description Menus chapter (Installer/Define system/Cooling) CTC EcoZenith i550 Pro...

  • Page 22: The House Heating Curve

    Installer/Settings/Radiator system menu. Recommended values are: Floor heating only Inclination 35 Low temperature system (well insulated houses) Inclination 40 Normal temperature system (factory setting) Inclination 50 High temperature system (older houses, small radiators, poorly insulated) Inclination 60 CTC EcoZenith i550 Pro...
  • Page 23 50 °C when the outdoor temperature is –15 °C (if adjustment is set to 0). If the adjustment is set to +5, the temperature will be 55 °C instead. The curve is increased by 5 °C at all temperatures, i.e. it is parallel displaced by 5 °C. CTC EcoZenith i550 Pro...
  • Page 24 Installer/Settings/Radiator system menu. When the heat is switched off in this way, the radiator pump stops and the mixing valve is shut down. The heating starts up automatically when it is required again. Outside Temperature Heating off, out CTC EcoZenith i550 Pro...

  • Page 25: Dhw

    General Information 4. DHW The CTC EcoZenith i550 Pro has a total of approx. 40 m finned copper coils for the heating of hot water. These coils preheat the water in the lower tank and the water then runs through the upper tank for the final temperature increase.
  • Page 26 • Avoid running hot water at the highest flow capacity. If you run a bath at a rather slower rate instead, you will get a higher temperature. • Remember that a poor mixing valve or a poor shower mixer can affect the hot water temperature. CTC EcoZenith i550 Pro...

  • Page 27: Technical Data

    General Information 5. Technical data CTC EcoZenith i550 Pro 3x400V 1x230V Main dimensions on delivery 750x950x1700 Main dimensions when installed 886 x 1067 x 1700 Weight IP class IPX1 Insulation (polyurethane, PUR) Kvs value mixing valve 17-28kW (option mixing valve...

  • Page 28: Measurements

    4. Cold water, Ø22mm 5. Domestic hot water, Ø22mm 6. Domestic hot water circulation, Ø22mm 7. Radiator primary flow, spring clip 28mm 8. Radiator return, spring clip 28mm 9. Connection elecric (behind the front) Distr till/Antal Ytjämnhet RA Skala CTC EcoZenith i550 Pro...

  • Page 29: Menu Overview

    General Information 7. Menu overview CTC EcoZenith i550 Pro Tuesday 08:45 Room temp. Operation Installer 22,2 ºC 21,2 ºC 58 ºC -5 ºC Room temp. Heating circuit 1 22.3ºC (23.5)ºC Heating circuit 2 22.4ºC (23.5)ºC Night reduction Holiday Hot water...

  • Page 30: Room Temp

    Weekly program DHW Weekly program Day by day Extra Monday 06-09 18-21 hot water hours Tuesday 07-09 00-00 Wednesday 06-09 00-00 Temperature Thursday 06-09 00-00 Normal Friday 06-09 00-00 Saturday 10-12 00-00 Sunday 10-12 00-00 Weekly schedule CTC EcoZenith i550 Pro...

  • Page 31: Operation

    Operation data solar panels Solar panel Status Solar panel charge tank Outlet °C Inlet °C Pump Panel % Pump Solar Charge % Pump charge brine loop Valve charging brine loop Diff ºC Effect Energy Solar panel CTC EcoZenith i550 Pro...

  • Page 32: Installer (Time/Language - Settings)

    Load factory settings Heat pump A1-A3 Compressor A1 Permitted Stop at outdoor temp °C Delay between comp. Prio A/W °C Cont. brine pump on Compressor stop at brine °C Brine pump on 10 days Tariff, HP CTC EcoZenith i550 Pro...
  • Page 33 Pool temp °C 22.0 Monday 06-07 00-00 00-00 Pool diff. °C Tuesday 06-07 00-00 00-00 Pool prio. °C Wednesday 06-07 00-00 00-00 Thursday 06-07 00-00 00-00 Friday 06-07 00-00 00-00 Saturday 07-08 00-00 00-00 Sunday 07-08 00-00 00-00 CTC EcoZenith i550 Pro...

  • Page 34: Installer (Define System)

    Radiator system 2 (Y2, G2) Room sensor 2 (B12) Type Wireless Def. Heat pump Heat pump A1 Heat pump A2 Heat pump A3 Flow /level switch None Def. DHW tank DHW circulation (G40) DHW extra Buffer (B43, G41) CTC EcoZenith i550 Pro...
  • Page 35 Lower el.heater Max power el.heaters kW Define Cooling Cooling Common heating/cooling Condense pipe secured Room temp. cooling Define SMS Activate GSM? Level of signal ------- Phone number 1 46704130901 Phone number 2 --------------- Hardware version Software version CTC EcoZenith i550 Pro...

  • Page 36: Installer (Service)

    A5 Wrong phase order 10:30 1/3 27.9 -227 50.0 A5 Comm. error motor protect 09:01 1/3 27.9 42.2 Factory settings Coded Code 0 0 0 0 Compressor operation Expansion valve Log compressor stop Manual register change Cooling CTC EcoZenith i550 Pro...
  • Page 37 Pump to tank (G43) HP Brine p./Fan Pump from tank (G45) HP Charge p 3-way valve (Y40) Upper tank Manual defrosting Compressor heater Heating condenser bowl Heating cabel 4-way valve (Y11) Test valves 3-way valve (Y21) Down CTC EcoZenith i550 Pro...

  • Page 38: Parameter List

    Max temp diff end DHW °C Ext boiler stop ºC Stop DHW diff max Ext boiler diff ºC Run time DHW circ. Min oper. time Cyclic time DHW circ. Priority Diff start ext DHW buffer Delay priority low CTC EcoZenith i550 Pro...
  • Page 39 Heating circuit 2 (Y2, G2) Room sensor 2 (B12) Wire or wireless Define heating system 3 Heating circuit 3 (Y3, G3) Room sensor 3 (B13) Wire or wireless Def. heat pump Factory User (set) setting value Flow/level switch None CTC EcoZenith i550 Pro...

  • Page 40: Detail Description Menus

    General Information 9. Detail Description Menus All settings can be configured directly on screen using CTC EcoZenith i550 Pro Tuesday 08:45 the straightforward control unit. The large icons operate as buttons on the touch display. Operational and temperature information is also displayed here.

  • Page 41: Room Temp

    -5°C is simulated so that the house does not get cold, and the product emits an alarm. If a fault occurs with a room sensor, the EcoZenith automatically switches to operating according to the set curve, and the product emits an alarm. CTC EcoZenith i550 Pro...
  • Page 42 The period starts from the time for which the setting has been made. The value by which the temperature is reduced – Room temp. reduced – can be set in the Installer/Settings/Heating system menu. The factory set value is -2°C. CTC EcoZenith i550 Pro...

  • Page 43: Dhw

    CTC EcoZenith i550 Pro...

  • Page 44: Operation

    Operation This menu displays current temperatures and the operational data for your heating system. Information CTC EcoZenith i550 Pro Press the information button to display The current temperature (50°C) in the the operational data for the relevant item. upper tank, and the current temperature (42°C) in the lower tank, respectively, are...
  • Page 45 Shows the total energy consumed by the product’s electric heaters This is an indirect energy measurement, based on the operating periods of the immersion heaters. Operating time h HP 1-3 Indicates the total time the heat pump compressor has been operating. CTC EcoZenith i550 Pro...
  • Page 46 Room temp 3°C / Room temp cooling °C 21.9 (23.0) Depending on whether radiator circuit 3 or cooling is activated, this indicates the room temperature for heating circuit 3/cooling (Room sensor B13). It does not indicate whether combined heating/cooling has been selected. CTC EcoZenith i550 Pro...
  • Page 47 Indicates the value of current in amps for the phase with the greatest load (the house phase). Add heat primary flow °C Indicates the current temperature supplied by the external boiler. Wood boiler °C Indicates the current temperature supplied by the wood boiler. CTC EcoZenith i550 Pro...
  • Page 48 The blue curve is the current outdoor temperature. The green and pink curves are room temperatures 1 and 2, respectively. The red and grey curves are primary flow temperatures 1 and 2, respectively. The yellow curve is the radiator circuit’s/circuits’ return temperature. CTC EcoZenith i550 Pro...
  • Page 49 The heat pump has stopped due to a temperature or pressure that has reached its maximum value. Off, alarm The heat pump is off and is emitting an alarm signal. Function test The compressor is function tested. CTC EcoZenith i550 Pro...
  • Page 50 Shows the outside temperature (sensor B15). Shown for EcoAir heat pumps. Current L1 9.8 (0.0 to 50.0) Show the current for phase L1 to the compressor. Phases 2 and 3 are not measured in the product. CTC EcoZenith i550 Pro...
  • Page 51 The values Diff ºC Effect Energy are calculated from incoming and outgoing temperatures from the solar panels, plus the operating time and set flow. This is therefore not an exact measurement. CTC EcoZenith i550 Pro...

  • Page 52: Installer

    Setting the language Installer Click on the language symbol. Select the language you want by clicking on the screen. The language selected is highlighted by a green ring. Svenska Norsk English Deutsch Suomi Française Dansk Nederlands CTC EcoZenith i550 Pro...
  • Page 53 The value set is the outgoing flow temperature to radiators when the outdoor temperature is -15 °C. Curve adjustment 0 (-20 to 20) The adjustment means that the temperature level can be raised or lowered at a specific outdoor temperature. CTC EcoZenith i550 Pro...
  • Page 54 During the next 10 days the flow temperature is constant according to the “Max primary flow” menu. Thereafter the primary flow is reduced by 5 degrees per day again until the temperature is down to 25 °C. CTC EcoZenith i550 Pro...
  • Page 55 This is used when a dual tariff is used with lower energy costs at set hours of the day. The heat pump can then take advantage of reduced primary energy costs. It must be set to Off . NOTE: Only indicated for heat pump A1. CTC EcoZenith i550 Pro...
  • Page 56 Example: User (set) value 1:2 => 16 A will be 32 A. Tariff EL Off (Off/On) This indicates whether the product is connected to tariff- controlled electricity. CTC EcoZenith i550 Pro...
  • Page 57 This menu relates to the value from the maximum permitted condensation temperature that interrupts hot water charging. If there is a heating requirement, the system then diverts to charging the heating system. CTC EcoZenith i550 Pro...
  • Page 58 This menu is used to schedule the weekday periods Saturday 07-08 00-00 00-00 you require the lower tank to be heated. This schedule Sunday 07-08 00-00 00-00 is repeated every week. The illustration shows factory settings, which can be modified. CTC EcoZenith i550 Pro...
  • Page 59 30 minutes to check whether tank charging is possible (factory setting). The test is carried out at the set time interval. If sufficient temperature is obtained, tank charging continues; otherwise the system switches to charging the bedrock again. CTC EcoZenith i550 Pro...
  • Page 60 (set in the Re-cooling to temp. menu). This means that the solar panels are used as cooling elements for a short period of time. CTC EcoZenith i550 Pro...
  • Page 61 (setpoint). When wood operation is active, the heat pump or additional heat are not used for heating the EcoZenith. Wood operation is deactivated when the flue gas temperature drops below the set value in this menu. CTC EcoZenith i550 Pro...
  • Page 62 “Low” and is/are delayed the set number of minutes before being permitted to engage and assist in operation. NOTE: Irrespective of the setting, the immersion heater in the upper tank is used for extra domestic hot water increase. CTC EcoZenith i550 Pro...
  • Page 63 Setting of the number of degrees by which the lower tank of the EcoZenith must exceed its reference value to start transfer to the external buffer tank. This setting applies to charging of solar energy when a heating need is present on the radiator system. CTC EcoZenith i550 Pro...
  • Page 64 SO=ripple control. Not used in the UK at present. (Disconnection of compressor and electric heater during a certain period defined by the electricity supplier (special equipment). DHW = Extra hot water, used along with the Extra DHW button (accessory). CTC EcoZenith i550 Pro...
  • Page 65 9.5.2.16 Load factory settings Settings The product is supplied with the factory values set. They can be restored by activating this function. Press Get factory settings? OK to confirm. However, the language and product are retained. CTC EcoZenith i550 Pro...
  • Page 66 DHW circulation (G40) to the hot water system. DHW extra Buffer (B43, G41) External DHW tank (G41, B43) No (Yes/No) Specify whether the circulation pump (G41) and sensor (B43) are connected to the hot water system. CTC EcoZenith i550 Pro...
  • Page 67 This is for selecting whether the lower immersion heater (E1/E4) should be involved in operation. Max power el.heaters kW 18 (0...27) This is for selecting the maximum power which all immersion heaters are to emit together. CTC EcoZenith i550 Pro...
  • Page 68 In the event of doubt, contact an expert surveyor for an assessment. Room temp. cooling 25 (10...30) This is where the desired room temperature for cooling is set. See CTC EcoComfort manual for more information. CTC EcoZenith i550 Pro...
  • Page 69 NB: For more information on the SMS function, see the “CTC SMS” manual. 9.5.3.13 Input voltage Input voltage 3x400V The value is set here to indicate whether the heat pump is connected at 3x400V, 1x230V or 3x230V. 3x400V and 1x230V are valid for the UK. CTC EcoZenith i550 Pro...
  • Page 70 Starts and stops the respective radiator pump. Rad pump3 LED room sensor LED room sensor Off /On The room sensor alarm functions can be controlled from here. When activated, the respective room sensor’s red LED comes on steady. CTC EcoZenith i550 Pro...
  • Page 71 4-way valve (Y11) Off (Off/On) Function test 4-way valve (Y11), mounted on the CTC EcoAir. Test Valves Test valves The following valves are function tested from this menu: 3-way valve (Y21) Down 3-way valve (Y21) Down/Up CTC EcoZenith i550 Pro...
  • Page 72 The wood boiler is function tested from this menu. Wood boiler Off (Off/On) Switches the wood boiler on and off. Test ext. boiler An external boiler is function tested from this menu. Ext boiler Off (Off/On) Switches the external boiler on and off. CTC EcoZenith i550 Pro...
  • Page 73 NB: Only an authorised service engineer is allowed to log in to the Factory settings coded option. Severe operational problems and faults may occur affecting the product if values are amended without authorisation. Note that in such cases the warranty terms do not apply. CTC EcoZenith i550 Pro...
  • Page 74 Out from solar panels °C (B31) 0.0 (-3.0 to 3.0) Correction of temperature sensor on solar panels for outgoing temperature. Into solar panels °C (B30) 0.0 (-3.0 to 3.0) Correction of temperature sensor on solar panels for incoming temperature. CTC EcoZenith i550 Pro...

  • Page 75: Operation And Maintenance

    CTC EcoZenith i550 Pro The EcoZenith is prepared for connection to a CTC heat pump, wood boiler, other additional boiler, solar energy, passive cooling, bore hole charging and pool.
  • Page 76 Night reduction With night reduction you have the option of automatically varying the temperature in the house throughout the day, every day of the week. More information can be found in the chapter “Detail description menus/Night reduction”. CTC EcoZenith i550 Pro...

  • Page 77: Troubleshooting/Measures

    Touch the entire radiator surface. Bleed the radiators. • that the EcoZenith i550 Pro is in operation and that no error messages are displayed. • that there is sufficient electrical power available. Increase if necessary.
  • Page 78 For the property owner Current Monitor (protection for main fuses) The CTC EcoZenith i550 Pro has a built-in current monitor. If the system is installed with current sensors (included), there is constant monitoring to prevent overload of the main fuses of the house. If this should happen, electric stages are disconnected from the EcoZenith.

  • Page 79: Information Messages

    High current, reduced electricity (xA) The property’s main fuses are overloaded due to the fact, for instance, that several appliances requiring power are being used simultaneously. The product reduces the electric heaters’ electrical output over time. CTC EcoZenith i550 Pro...

  • Page 80: Alarm Messages

    Incoming brine temperatures from borehole/ground circuits are too high. Press reset and check whether the alarm recurs. If the fault recurs, contact your installer to check the heat source. Excessively high brine circuit temperatures over a long period can damage the compressor. CTC EcoZenith i550 Pro...
  • Page 81 If the heat pump has been stored in an extremely cold place, the max thermostat may have been triggered. You reset it by pressing in the button on the electrical switchboard behind the front panel. Always check that the max thermostat has not been triggered during installation. CTC EcoZenith i550 Pro...

  • Page 82: For The Installer

    Take your time going through functions and settings with the property owner and answer any questions. Both you and the EcoZenith i550 Pro benefit from a user who has completely understood how the system operates and should be maintained.
  • Page 83 Fit the plastic top at the front and tip it backwards to locate it under the mixing valve actuator. Fit the 4 zinc-grey screws provided in the pre-drilled holes. Ensure that the plastic top cover is correctly aligned with the front. Plastic top Zinc-grey screw (4 off) CTC EcoZenith i550 Pro...

  • Page 84: Pipe Installation

    Fit a filling valve between the cold water connection and the radiator return pipe, or between the cold water pipe and the expansion pipe. The filling valve must be provided with a non-return valve (to prevent backflow). CTC EcoZenith i550 Pro...
  • Page 85 10-15 mm thickness, or equivalent. Make sure the insulation at the connections reaches all the way to the EcoZenith’s own insulation and that it has no gaps, so as to prevent any loss of heat. CTC EcoZenith i550 Pro...
  • Page 86 13.3.1 CTC EcoZenith i550 Pro - Radiator system The CTC EcoZenith i550 Pro can be connected to three different radiator systems (heating circuits) with separate room sensors. Mixing valve (Y1) is the main mixing valve and feeds radiator system 1. Mixing valves (Y2) and (Y3) for radiator systems 2 and 3 are sub-mixers.
  • Page 87 For the installer 13.3.2 CTC EcoZenith i550 Pro - Heat pump Heat pump 1 is connected to diverting valves for changing between the upper and lower tanks. Heat pumps 2 and 3 are connected directly to the lower tank for supplying radiators.
  • Page 88 For the installer 13.3.3 CTC EcoZenith i550 Pro - Solar energy Solar panels (17) can be connected directly to the EcoZenith’s inbuilt solar coil (11). The solar coil is the finned type. The fluid is pumped from the coil by a speed controlled solar pump (G30).
  • Page 89 For the installer 13.3.4 CTC EcoZenith i550 Pro - Domestic hot water Figure 1 Shows how domestic hot water circulation can be connected to the EcoZenith. The domestic hot water is circulated by pump (G40). New domestic hot water from the finned coil is mixed in by the mixing valve (32), and cooled water is released down to the coil for reheating.
  • Page 90 For the installer 13.3.5 CTC EcoZenith i550 Pro - Wood boiler The upper and lower connections are used for connecting a wood boiler to the EcoZenith. This means that the flow from the wood boiler passes through the entire EcoZenith. The flue gas sensor (B8) signals to the EcoZenith’s control system that the wood is burning.
  • Page 91 For the installer 13.3.6 CTC EcoZenith i550 Pro - Storage tanks (buffer tanks) One or more storage tanks can be connected to increase the water volume; this is done most commonly in connection with wood or solar energy operation. The 3-way valve (Y40) is connected to the upper connection from both the EcoZenith’s upper and lower tanks and then to the top of the first...
  • Page 92 For the installer 13.3.7 CTC EcoZenith i550 Pro - External boiler An external boiler (oil, pellets, electric or gas) is connected to the EcoZenith’s upper tank connections. Circulation is undertaken by the pump (G44), which is controlled by the EcoZenith. The sensor (B10) senses the flow temperature from the external boiler.
  • Page 93 For the installer 13.3.8 CTC EcoZenith i550 Pro - Pool A pool is connected to the EcoZenith’s lower tank. This means that the pool is heated by the same energy source as the radiator system prioritises, for example, heat pump or solar panel. One pump (G50/G51, at the top of the drawing) circulates radiator water from the upper connection on the EcoZenith’s lower tank (02) to the pool heat exchanger (14), on to...
  • Page 94 If separate fan convectors are connected, provided the system is insulated against condensation and there is a condensate collector in the fan convectors, much lower temperatures may be permitted. See CTC EcoComfort manual for more information. CTC EcoZenith i550 Pro...
  • Page 95 For the installer CTC EcoZenith i550 Pro...

  • Page 96: Schematic Diagram

    For the installer 14. Schematic diagram This is only a schematic diagram. The system in question must be designed in accordance with current standards. CTC EcoZenith i550 Pro...
  • Page 97 For the installer CTC EcoZenith i550 Pro...

  • Page 98: Parts List

    For the installer 15. Parts list 01. CTC EcoZenith i550 Pro upper tank 26. Non-return valve, heat pump 2 02. CTC EcoZenith i550 Pro lower tank 27. Non-return valve, heat pump 3 03. Wood Boiler 28. Control valve, DHW system 04.
  • Page 99 Option: Circulation pump, CTC EcoComfort G6. Circulation pump, flue gas controlled G11. Circulation pump, heat pump A1 G12. Circulation pump, heat pump A2 G13. Circulation pump, heat pump A3 G14. Circulation pump integrated in the accessory CTC EcoComfort (passive cooling) CTC EcoZenith i550 Pro...

  • Page 100: Electrical Installation

    Extra low voltage Heavy current It is important to 10V/sensor 230/400V keep heavy current Low voltage and extra low volt- age cables apart in order to avoid inter- ference problems; Blanking plug this applies outside the product also. CTC EcoZenith i550 Pro...

  • Page 101: Positioning Of Electrical Components

    Upper el.heater E1-3 a/b Terminal block: A11-A20. Terminal block: A21-A30. Contactor K4 Contactor K3 Connections, el. heaters Contactor K2 Contactor K1 Sensor, lower B6 Max thermostat F10 Backup heating thermostat E13 Lower el.heater E1/E4 Sensor solar B33 CTC EcoZenith i550 Pro...

  • Page 102: Heat Pump Power Supply

    For the installer 16.2 Heat pump power supply NB: The heat pump is powered separately. Not from the CTC EcoZenith i550 Pro. 16.3 Communication between the EcoZenith and CTC EcoAir/ CTC EcoPart The communication cable used is an LiYCY (TP) which is 4-conductor shielded cable, where the communication-bearing conductors are of twisted pair type.
  • Page 103 Connected to the expansion card X7/terminal block: Phase: X7 pole 21 Zero: X7 pole 23 Earth: X7 pole 22 Check that the pump is correctly connected by test running it in menu Installer/Service/Function test in the control system. CTC EcoZenith i550 Pro...
  • Page 104 (G13) Charge pump 3 WILO Stratos TEC PWM+: blue GND: brown GRUNDFOS UPM GEO 25-85 PWM+: brown GND: blue Check that the pump is correctly connected by test running it in menu “Installer/Service/Function test” in the control system. CTC EcoZenith i550 Pro...
  • Page 105 (G32) Pump, expansion card X5: Note the cable colours! PWM+: white X5 pole 3 GND: brown X5 pole 4 Check the function by test running the pump in menu “Installer/Service/ Function test” in the control system. CTC EcoZenith i550 Pro...
  • Page 106 (G41) Charge pump, expansion card (X7): Phase: X7 pole 19 Zero: X7 pole 20 Earth: X7 pole 21 Check that the pump is correctly connected by test running it in menu “Installer/Service/Function test” in the control system. CTC EcoZenith i550 Pro...
  • Page 107 Circulation pump, expansion card X7: Phase: X7 pole 25 Zero: X7 pole 26 Relay output X7 pole 24 Check that the pump is correctly connected by test running it in menu “Installer/Service/Function test” in the control system. CTC EcoZenith i550 Pro...
  • Page 108 Expansion card X6 Open: X6 pole 12 Close: X6 pole 13 Zero: X6 pole 14 Check that the open and close signals are correctly connected by testing the motor in menu “Installer/Service/Function test” in the control system. CTC EcoZenith i550 Pro...
  • Page 109 This is done using two jumpers inside the motor. NOTE: the direction of rotation cannot be changed by swapping the black and brown cables. CTC EcoZenith i550 Pro...
  • Page 110 This is done using two jumpers inside the motor. NOTE: the direction of rotation is not changed by shifting the black and brown cables. CTC EcoZenith i550 Pro...

  • Page 111: Sensor (Safety Extra-Low Voltage (Selv))

    (B12) Room sensor 2 Optional room sensor for CTC EcoComfort (cooling), accessory. block no. alarm output block no. block no. input (B13) Room sensor 3, expansion card X4 block no. alarm output block no. input block no. CTC EcoZenith i550 Pro...
  • Page 112 • Connect the cables to the CTC EcoLogic’s connection block. If the cable is too short, join extra length to it. Sensory element Connection cables contact paste Sensor Primary flow pipe Tie strap Sensor NTC 22k, white cable Sensor PT1000, grey or red cable CTC EcoZenith i550 Pro...
  • Page 113 The sensor is connected to the PCB in positions G61 and G62. Sensor type: NTC 22k (B10) Sensor, external boiler out Position: on the primary flow pipe of the boiler. The sensor is connected to the PCB in positions G71 and G72. CTC EcoZenith i550 Pro...
  • Page 114 Position: on the return pipe between the pool pump and pool. The sensor is connected to expansion card X3 in positions 15 and 16. Sensor type: NTC 22k Sensor NTC 22k, white cable Solar sensor PT1000, grey or red cable CTC EcoZenith i550 Pro...

  • Page 115: Night Reduction/Ripple Control

    This means that the current sensors, along with the electronics, prevent more power being supplied than the main fuses can tolerate. The current sensors’ holes for cables are 11 mm in diameter. From electricity meter To boiler Fuse panel Current sensor CTC EcoZenith i550 Pro...

  • Page 116: Settings Made By The Installation Electrician

    Note the the alarm function of the room sensor (LED) cannot be detected on the display. It must be checked on the room sensor. The current sensor connection has no alarm, but the current value can be read in the “Operation data” menu. CTC EcoZenith i550 Pro...

  • Page 117: Installation Of Optional Immersion Heater

    For the installer 17. Installation of optional immersion heater The CTC EcoZenith i550 Pro has two 9 kW immersion heaters, both factory installed. A third 9 kW immersion heater can also be installed thus giving total installed heating power of 27 kW. The third immersion heater is a CTC accessory and is connected as follows: 1.

  • Page 118: Installation Of Additional Boiler

    For the installer 18. Installation of additional boiler The CTC EcoZenith i550 Pro is able to control either a third immersion heater or an external additional boiler. Under no circumstance may these be connected at the same time. To connect an additional boiler, the electrical reconnection must be undertaken in the EcoZenith’s wiring.

  • Page 119: Parts List Wiring Diagram

    Backup heating thermostat E13 Mixing valve 3 Automatic circuit breaker Diverting valve, heat pump in/out Automatic circuit breaker Diverting valve solar Max thermostat Diverting valve external buffer tank Radiator pump 1 Radiator pump 2 Radiator pump 3 CTC EcoZenith i550 Pro...

  • Page 120: Wiring Diagram Main Card 3X400V

    For the installer 20. Wiring diagram main card 3x400V CTC EcoZenith i550 Pro...
  • Page 121 For the installer CTC EcoZenith i550 Pro...

  • Page 122: Wiring Diagram Main Card 1X230V

    For the installer 21. Wiring diagram main card 1x230V CTC EcoZenith i550 Pro...
  • Page 123 For the installer CTC EcoZenith i550 Pro...

  • Page 124: Wiring Diagram For Expansion Card

    For the installer 22. Wiring diagram for expansion card CTC EcoZenith i550 Pro...

  • Page 125: Resistances For Sensors

    22000 2478 6119 27100 3289 8741 33540 12140 41800 17598 52400 26064 39517 61465 PT1000 Temperature ºC Resistance Ω Temperature ºC Resistance Ω 1232 1000 1271 1039 1309 1077 1347 1116 1385 1155 1461 1194 1535 CTC EcoZenith i550 Pro...

  • Page 126: First Start

    ON position. On the other heat pumps it should be in the OFF position. See the Installation and Maintenance Manual for the heat pump. If there is already a boiler in place, check that its temperature is set at normal boiler temperature, for example, 70 °C. CTC EcoZenith i550 Pro...

  • Page 127: First Start

    Return to the main menu to check. The EcoZenith is now up and running and the product is working using it factory settings. See the chapter “Detail Description Menus” for other settings. CTC EcoZenith i550 Pro...

  • Page 128: Declaration Of Conformity

    La conformité a été contrôlée conformément aux normes EN, The conformity was checked in accordance with the following EN-standards, Die Konformität wurde überprüft nach den EN-normen, EN 55014-1 /-2 EN 61 000-3-2/3-3/4-2,-3,-4,-5,-6,-11 EN 60335-1, 2-21 EN 62233 Ljungby 2013-05-22 Marcus Miller Director R&D CTC EcoZenith i550 Pro...

Table of Contents