CTC Union EcoZenith i250 Installation And Maintenance Manual
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CTC Union EcoZenith i250 Installation And Maintenance Manual

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162 105 29-2
14/02/2014
Providing sustainable energy solutions worldwide
Installation and Maintenance Manual
CTC EcoZenith i250

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Summary of Contents for CTC Union EcoZenith i250

  • Page 1 162 105 29-2 14/02/2014 Providing sustainable energy solutions worldwide Installation and Maintenance Manual CTC EcoZenith i250...
  • Page 3 Installation and Maintenance Manual 162 105 29-2 14/02/2014 CTC EcoZenith i250...

  • Page 4: Table Of Contents

    12.2.1 Pressure drop in mixing valve _______________ 52 ____________________________________________ Table 230 V 1N~ 12.2.2 Pump curve charge pump __________________ 52 ___________________________________________ Measurements 12.2 Schematic diagram ___________________________________________________ ________________________________________ CTC EcoZenith i250 design 12.3 Connection to heat pump _______________________________ _______________________________ Parameter list 12.4 DHW system _____________________________________________________ _________________________________________________ Control system 12.5 External systems (solar heating, pool heating)

  • Page 5: General Information

    The built-in copper coil provides copious amounts of The complete system tank hot water. The CTC EcoZenith i250 also has a so- The CTC EcoZenith i250 is a complete system tank called summer-time basement heating function and a which meets your home’s heating and hot water...

  • Page 6: Check List

    • Following installation, the unit must be inspected, functional checks performed and the customer informed. The points below should be checked off. Pipe installation CTC EcoZenith i250 filled, positioned and adjusted in the correct manner according to the † instructions. CTC EcoZenith i250 positioned so that it can be serviced.

  • Page 7: Important To Remember

    See the chapter on Operation and maintenance. If these instructions are not followed when installing, operating and maintaining the system, Enertech’s commitment under the applicable warranty terms is not binding CTC EcoZenith i250...

  • Page 8: Your Home's Heating Installation

    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 i250...
  • Page 9 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 i250...
  • Page 10 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 i250...

  • Page 11: Technical Data

    General Information 2. Technical data Table 400V 3N~ Electrical Data CTC EcoZenith i250 H CTC EcoZenith i250 L Electrical data 400V 3N~ Rated power 15.04 15.04 Immersion heater (steps of 0,3 kW) 0 - 15.0 Max immersion heater output @ fuse size 16 / 20 / 25 A...
  • Page 12 General Information 2.2 Table 230 V 1N~ CTC EcoZenith i250 H CTC EcoZenith i250 L Electrical Data Electrical data 230V 1N~ Rated power 12,04 12,04 Immersion heater (steps: 3, 5, 7, 9, 12 kW) 0-12 Max immersion heater output @ fuse size 16 / 20 / 25 A...

  • Page 13: Measurements

    5. Radiator primary flow 22 compression 6. Radiator return Ø22 mm/expansion connection 7. From heat pump (CTC EcoZenith i250L) 8. To heat pump (CTC EcoZenith i250L) 9. Lifting sleeve 3/4” BSP 10. Fittings for connecting external systems CTC EcoZenith i250...

  • Page 14: Ctc Ecozenith I250 Design

    General Information 4. CTC EcoZenith i250 design The picture below shows the basic construction of CTC EcoZenith i250. If a heat pump is connected, the energy in the air or bedrock/ground is drawn up by the cooling system. The compressor then increases the temperature to a usable level.

  • Page 15: Parameter List

    Boiler low kW Delay mixing valve Main fuse A Input voltage 3x400 V Tariff EL Upper tank Factory User (set) value value Stop temp HP ºC Max. Start/stop diff ºC Max. time upper tank Max. time lower tank CTC EcoZenith i250...

  • Page 16: Control System

    Room temperature settings Cooling Factory values Common heating/cooling Room temp. The CTC EcoZenith i250 is delivered with set factory Weekly schedule Condense pipe secured values which are suitable for a standard house with Heating circuit 1 Room temp. cooling a standard radiator system.

  • Page 17: Menu Overview

    Software HP PCB: 20120125 Software display PCB: 20120205 T ºC Software display PCB: 20120205 Software HP PCB: 20120125 Software HP PCB: 20120125 Software display PCB: 20120205 Software HP PCB: 20120125 Installer settings menu Installer CTC EcoZenith i250 Room1 Prim1 Return Room2 Prim2...
  • Page 18 Installer settings menu Current L1/L2/L3 0.0 0.0 0.0 Electric power kW 0.0 0.0 0.0 Heating circuit 2 Current L1/L2/L3 0.0 0.0 0.0 Installer Operation data heating CTC EcoZenith i250 T ºC Operation data heating Room1 Prim1 Return Room2 Prim2 T ºC...
  • Page 19 DHW Control current sensors er L3B Re-installation er A13 program Day by day 06-09 18-21 07-09 00-00 Svenska Nederlands English Deutsch sday 06-09 00-00 06-09 00-00 06-09 00-00 10-12 00-00 Installer Suomi Française Dansk Norsk 10-12 00-00 CTC EcoZenith i250...
  • Page 20 Operation data heating Heating circuit 2 T ºC Heat pump Cooling Service Room1 Prim1 Return Room2 Prim2 Function test Alarm log Factory settings coded Quick start compressor. Software update, USB Write log to USB Control current sensors Re-installation CTC EcoZenith i250...
  • Page 21 Control current sensors Boiler lower max kW -installation Re-installation Delay mixing valve Main fuse A Input voltage 3x400 V Upper tank Stop temp HP °C Start/stop diff upper ºC Max time upper tank Max time lower tank CTC EcoZenith i250...
  • Page 22 Factory settings coded Valves Valves Quick start compressor. Quick start compressor. Electric heater Electric heater Software update, USB Software update, USB Write log to USB Write log to USB Control current sensors Control current sensors Re-installation Re-installation CTC EcoZenith i250...

  • Page 23: Detail Description Menus

    The heating system’s structure can be This displays the current outdoor temperature. adjusted/modified using this option. Home Service The Home button takes you back to the Start Advanced settings are configured by the menu. appropriate technical person. Installer settings menu Installer CTC EcoZenith i250...

  • Page 24: Room Temp

    The Compressor Permitted room sensor can temporarily be deselected during the Min outdoor temp °C Brine pump on 10 days firing process. The EcoZenith i250 then provides heating 22,2 ºC 21,2 ºC 58 ºC -5 ºC Tariff HP to the radiators using the set heating curve.

  • Page 25: Outdoor Sensor/Room Sensor Faults

    -5 °C is simulated so that the house tuned. does not get cold. The product's alarm is triggered. If a fault occurs with a room sensor, the EcoZenith i250 automatically switches to operating according to the set curve. The product's alarm is triggered.

  • Page 26: Dhw

    Primary flow °C 42 (43) Stored oper data Return flow °C You set the values for this option which apply to the Radiator pump CTC EcoZenith i250’s normal operation. There are three Mixing valve Open Heating circuit 1 Weekly schedule Weekly program...

  • Page 27: Weekly Program Dhw

    0.0 0.0 0.0 Heating circuit 2 Current L1/L2/L3 0.0 0.0 0.0 Operation data heating T ºC settings menu staller Room1 Prim1 Return Room2 Prim2 anguage Settings Define system Service ware display PCB: 20120205 ware HP PCB: 20120125 CTC EcoZenith i250...

  • Page 28: Operation

    Installer settings menu temperature. Installer Operation data system Return radiators The return temperature of the radiator water returning to EcoZenith is also shown above the CTC EcoZenith i250 (34°C). This value will vary during operation according to Time/Language Settings Define system Service the parameters set, the radiator system’s capacity and...

  • Page 29: Operation Ecozenith

    This menu displays current temperatures and the Tank lower °C 42 (45) Primary flow °C 42 (43) Stored oper data operational data for your EcoZenith i250. The first figure Return flow °C is the actual operational value, with the value in brackets Radiator pump Mixing valve Open being the setpoint which EcoZenith is trying to achieve.

  • Page 30: Stored Operation Data

    06 - 09 18 - 21 This menu shows the operational values for the Consumtion kWh 07 - 09 20 - 23 EcoZenith i250 over a long period. 06 - 09 10 - 21 Compressor: 06 - -- -- - 21...

  • Page 31: Operation Data Heat Pump

    Remote control w °C 1 and 2, respectively. Communication ware display PCB: 20120205 Save settings Open The yellow curve is the CTC EcoZenith i250 return ware HP PCB: 20120125 Load settings ng valve Load factory settings wer kW 0.0 0.0 0.0 temperature.

  • Page 32: Installer

    Time/Language includes time and language settings for Operation time /24 h:m 00:00 t reduction heat circ. 06 - -- -- - 21 your CTC EcoZenith i250. 10 - 12 20 - 23 ogram Day by day Total operation time h:...

  • Page 33: Settings

    Your property’s heating installation. The value set is the outgoing flow temperature to radiators when the outdoor temperature is -15 °C. After this default setting, fine adjustment takes place in the “Room temperature” menu. CTC EcoZenith i250...

  • Page 34: Heat Pump

    After installation is complete, you can choose to run the brine pump constantly for 10 days to remove air from the system. Upper tank Stop temp HP °C Start/stop diff upper ºC Max time upper tank CTC EcoZenith i250 Max time lower tank...

  • Page 35: Immersion Heater

    50 (30 to 60) Boiler upper °C Temperature when the immersion heater kicks in Boiler upper add °C and helps EcoZenith i250 to produce domestic hot Boiler upper extra DHW °C Boiler upper max kW water when there is great demand. A low setting is Boiler lower °C...

  • Page 36: Upper Tank

    Max.time lower tank, mins 40 (10 to 120) This is the maximum time spent by the heat pump charging the lower tank if it is needed in the upper tank. CTC EcoZenith i250...

  • Page 37: Remote Control

    Boiler lower °C Delay mixing valve Boiler lower max kW Main fuse A Delay mixing valve Input voltage 3x400 V Main fuse A Input voltage 3x400 V Upper tank Upper tank CTC EcoZenith i250 Stop temp HP °C Start/stop diff upper ºC...

  • Page 38: Define System

    Boiler upper extra DHW °C Rad pump2 Boiler upper max kW Activate GSM? LED room sensor Boiler lower °C Level of signal ------- Boiler lower max kW CTC EcoZenith i250 Delay mixing valve Phone number 1 46704130901 Main fuse A Phone number 2 ---------------...

  • Page 39: Def. Sms

    In the event of doubt, contact an expert surveyor for an assessment. Room temperature cooling 25 (10 to 30) This is used to set the desired room temperature for cooling. Operation data system NOTE: See CTC EcoComfort manual for more information. CTC EcoZenith i250...

  • Page 40: Service

    The fan or brine Heating Cable 4-way valve(Y11) pump and charge pump are also operating so that the compressor is not going to trigger its pressure switches. Test valves Save settings 3-way valve Down Save settings? CTC EcoZenith i250...
  • Page 41 Lower tank loose contact. Compressor operation Expansion valve Log compressor stop Factory settings coded Factory settings coded Factory settings coded CTC EcoZenith i250 Code 0 0 0 0 Code 0 0 0 0 Code 0 0 0 0 Upper tank...
  • Page 42 Several minutes All three currents (L1, L2 and L3) will appear in the may pass before the display current operational data when EcoZenith i250 has communicates clearly after restart. identified the current transformers’ relevant phases. When activating the function “Control current sensors”...

  • Page 43: Operation And Maintenance

    Air must be supplied to the closed system. Shut-down The CTC EcoZenith i250 is shut down using the operating switch. If there is a risk of the water freezing, all the water should be drained from the heat pump and the radiator system (see drainage above).

  • Page 44: Troubleshooting/Measures

    General Information 10. Troubleshooting/measures The CTC EcoZenith i250 is designed to provide reliable operation and high levels of comfort, and to have a long service life. Various tips are given below which may be helpful and guide you in the event of an operational malfunction.
  • Page 45 Touch the entire radiator surface. Bleed the radiators. The CTC EcoZenith i250's economical operation requires that the radiator system functions well, if you are to make good savings.
  • Page 46 In some cases, unusual noises may be produced by the house's pipe system and the CTC EcoZenith i250 due to the jolts which occur when the flow is quickly interrupted. There is no fault with the product, but the noise may occur when older model outlets are used.

  • Page 47: Information Messages

    The compressor is set to be shut down, e.g. before drilling or digging has been carried out for the collector loops. The product comes with the compressor shut off. This option is selected under the Installer/Settings/Heat pump menu. CTC EcoZenith i250...

  • Page 48: Alarm Messages

    Collectors which are too long can also be a cause. Check also that the brine pump is set to speed 3. Press reset and check whether the alarm recurs. Also check the brine filter that has been installed. If the fault recurs, contact your installer. CTC EcoZenith i250...
  • Page 49 This message appears in the event of a phase failure. Call in a specialist to check the cause. Compressor type? This message appears if there is no information about the compressor type. Heat pump alarm This message appears if the heat pump is in alarm mode. CTC EcoZenith i250...

  • Page 50: Installation

    • Forklift • Lifting eye that has been fitted to the lifting sleeve on top of the EcoZenith i250. An extra sleeve can be found in the middle, under the insulation. • Lifting band around the pallet. NB: Can only be used with the packaging on.

  • Page 51: Pipe Installation

    When filling the system, the mixing valve (Y1) must be wide open. Pull out the knob on the valve and turn it anticlockwise as far as you can. Do not forget to push in the valve’s knob in automated mode. CTC EcoZenith i250...

  • Page 52: Pressure Drop In Mixing Valve

    Start with the heat requirement in kW (e.g. 15 kW), then move vertically to the selected ∆t (e.g. 10°C). Then move horizontally to the line for the EcoZenith i250 mixing valve = line 6.3 DN20. The reading for the pressure drop is taken from the scale directly below (4 kPa).

  • Page 53: Schematic Diagram

    Installation 12.2 Schematic diagram This shows the main connection between the CTC EcoZenith i250 and the property’s radiator and hot water system. Different installations and systems may look different, such as a one- or two-pipe system, which means that the finished installation may be different.
  • Page 54 Observe the building regulations of the Swedish National Board of Housing, Building and Planning (Boverket) and the standard SS-EN 1717. Manometer system pressure (95) Fit the manometer on the expansion pipe or radiator return pipe. CTC EcoZenith i250...
  • Page 55 The CTC EcoZenith i250 is best connected to a closed expansion vessel. The CTC EcoZenith i250 is designed to be fitted to an 18 l closed expansion vessel. The expansion vessel is either fitted in the area under the tank or on top of the product (see pictures).

  • Page 56: Connection To Heat Pump

    The charge pump for the heat pumps is factory-installed in the CTC EcoZenith i250L. The CTC EcoZenith i250 L has pipes at the rear right edge for connection of the heat pump.
  • Page 57 Installation Pipe connection for CTC EcoZenith i250 H (The picture shows the back of the product)    Incoming (heated water) from heat pump Outgoing (cold water) to heat pump Preassembled charge pump on CTC EcoZenith i250L installed on 250 H (behind the diverting valves).

  • Page 58: Dhw System

    Installation 12.4 DHW system You can connect a DHW circulation system. You can see this kind of connection in the figure below. DHW pump (43) BV CTC EcoZenith i250...

  • Page 59: External Systems (Solar Heating, Pool Heating)

    Connecting external systems can seriously affect the EcoZenith’s operation and performance and can therefore produce undesirable effects if the system is not installed correctly. If you are unsure how to make the connection, contact CTC for suggestions on how to install the system. CTC EcoZenith i250...

  • Page 60: Electrical Installation

    The boiler is internally connected by the factory and set for a 5.5 + 6.0 kW power output. Depending on the country in which CTC EcoZenith i250 is to be installed, it is available with a 400 V or 230 V electrical connection.

  • Page 61: Positioning Of Electrical Components

    Current sensor: G37-G40 Diverting valves VV: A18-A20 Terminal block: A21-A30. Mixing valve 1: A27-A29 Contactors. Electrical installation CTC EcoZenith i250 L1 - 3x400 V/(1x230 V) L2 - 3x400 V Lower immersion heater. L3 - 3x400 V Strain reliever. Heat pump power supply.

  • Page 62: Electrical Connection To Heat Pump

    The factory-installed charge pump for heat pumps is connected internally in the CTC EcoZenith i250 L. Charge pump Molex switch The charge pump is connected to CTC EcoZenith i250 H in the pre- assembled connector (Molex and PWM) located under the electrical cabinet. When working on the heat pump...

  • Page 63: Heat Pump Power Supply 400 V 3N

    Installation 13.4.2 Heat pump power supply 400 V 3N~ The heat pump must be supplied with power from CTC EcoZenith i250 using the provided black connector located in the bottom of the electrical cabinet. (NB: no supply to CTC EcoZenith i250) The minimum group fuse size is specified in “Technical data”.

  • Page 64: Extra Low Voltage Protection

    Apply contact paste to the end part of the sensor between the sensor and the pipe if good contact is otherwise difficult to obtain. • Important! Insulate the sensor using pipe insulation. • Connect the cables to the EcoZenith’s terminal board. CTC EcoZenith i250...

  • Page 65: Remote-Controlled Temperature Reduction

    This means that the current sensors, along with the electronics, prevent more power being supplied than the main fuses can tolerate. Use at least 0.5 mm cable. Connection block From electricity meter To boiler Low current Current Fuse panel sensor CTC EcoZenith i250...

  • Page 66: Terminal Boards

    A 31 Radiator pump 1 A 33 A 36 Radiator pump 2 A 34 Matning / Power supply Dataskyltens mått (BxH): 146x168mm Material: Självhäftande vinyl eller motsv. Tryck: Svart tryck på vit botten CTC EcoZenith i250 585248401 Skylt inkoppling EH 3.1...

  • Page 67: Settings Made By The Installation Electrician

    10 A 1.3 A Power 1.2 kW 2.3 kW 0.6 kW 2.3 kW 0.3 kW 1x230 V Switch Phase Current 8.7 A 8.7 A 8.7 A 13 A Power 2.0 kW 2.0 kW 2.0 kW 3.0 kW CTC EcoZenith i250...

  • Page 68: Connecting -Increased Immersion Heater Output 15 Kw To 18 Kw

    Installation 14. Connecting –Increased immersion heater output 15 kW to 18 kW. CTC EcoZenith i250 3x400 V can be reconnected to a 18 kW immersion heater NB: Installation must be carried out by a qualified electrician. Connecting 1. Begin by disconnecting the power to the product.
  • Page 69 Then check that the switch is firmly in position on the DIN rail. 5. Mount the black wires in the free spaces on the electric heater. NB: Only for angled flat pins with black end cable sleeves. CTC EcoZenith i250...

  • Page 70: Wiring Diagram 3X400

    Installation 14.1 Wiring diagram 3x400 V CTC EcoZenith i250...
  • Page 71 Installation CTC EcoZenith i250...

  • Page 72: Wiring Diagram 1X230

    Installation 14.2 Wiring diagram 1x230 V CTC EcoZenith i250...
  • Page 73 Installation CTC EcoZenith i250...

  • Page 74: Component List, Wiring Diagram

    Terminal block, incoming supply L1, L2, L3, N, PE Terminal block, HP supply Black connector Mixing valve 1 A27, A28, A29 Mixing valve 2 A15, A16, A17 Diverting valve DHW A18, A19, A20 Diverting valve DHW A18, A19, A20 CTC EcoZenith i250...

  • Page 75: Resistances For Sensors

    Resistance Ohm Temperature °C Temperature °C Resistance Ohm 1027 1167 1330 1522 1746 2010 2320 2690 3130 3650 4280 5045 5960 7080 8450 10130 12200 1115 14770 1443 18000 1883 22000 2478 27100 3289 33540 41800 52400 CTC EcoZenith i250...

  • Page 76: First Start

    Installation 15. First start Symbol for backup heating When the CTC EcoZenith i250 is delivered, the heat pump is blocked to avoid it thermostat: being started unintentionally. EcoZenith I250 can be installed and started before the bedrock/ground source or air/water heat pump is put into operation.
  • Page 77 Specify the adjustment for radiator system 2. If the primary flow sensor for radiator system 2 is installed, repeat steps 7 to 9 for radiator system Current sensors identified. The CTC EcoZenith i250 then starts and the start menu appears.

  • Page 78: Declaration Of Conformity

    Försäkran om överensstämmelse Déclaration de conformité Declaration of conformity Konformitätserklärung Enertech AB Declaration of Box 313 Conformity S-341 26 LJUNGBY försäkrar under eget ansvar att produkten confi rme sous sa responsabilité exclusive que le produit, declare under our sole responsibility that the product, erklären in alleiniger Verantwortung, dass das Produkt, EZ250 C1 3x400V E18/ EZ250 C1 1x230V E12/ EZ250 C1 3x230V E14...
  • Page 80 Enertech AB. P.O Box 309 SE-341 26 Ljungby Sweden. www.ctc.se, www.ctc-heating.com...

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