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

CTC Union EcoZenith i250 Installation And Maintenance Manual

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162 105 59-1
2015-11-25
Providing sustainable energy solutions worldwide
Installation and Maintenance Manual
CTC EcoZenith i250
IMPORTANT
READ CAREFULLY BEFORE USE
KEEP FOR FUTURE REFERENCE

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  • Page 1 162 105 59-1 2015-11-25 Providing sustainable energy solutions worldwide Installation and Maintenance Manual CTC EcoZenith i250 IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE REFERENCE...
  • Page 3 Installation and Maintenance Manual 162 105 59-1 2015-11-25 CTC EcoZenith i250...

  • Page 4: Table Of Contents

    Table 400V 3N~ ____________________________________________ 11. Installation __________________________________________________________ Table 230 V 1N~ ___________________________________________ 11.1 Transportation _______________________________________________ Measurements ___________________________________________________ 11.2 Unpacking ____________________________________________________ CTC EcoZenith i250 design _______________________________ 11.3 Standard delivery ___________________________________________ Parameter list _____________________________________________________ 12. Pipe installation _________________________________________________ Control system ___________________________________________________ 12.1 Filling ___________________________________________________________...

  • Page 5: General Information

    General Information General Information Congratulations on your new product You have just bought a CTC EcoZenith i250, which we hope you will be very pleased with. In the following pages you can read about how to operate and maintain your boiler.
  • Page 6 It comes with a room sensor as standard, which is equipped with an LED which flashes in the event of a fault. If you want to supplement your CTC EcoZenith i250 with other heating, you can do this easily thanks to two unique connections. We have decided to call this option Energyflex.

  • Page 7: Checklist

    • 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 8: Important To Remember

    • Children should be supervised to ensure that they do not play with the appliance. CTC EcoZenith i250...
  • Page 9 Complete the fields below. This information is useful if any servicing work is required Product : Manufacturing number: Product : Manufacturing number: Installation company Tel. no. Date Name Electrical installation company Tel. no. Date Name No liability is accepted for any misprints or changes. CTC EcoZenith i250...

  • Page 10: 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 11 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 12 Inclination 60 °C Adjustment 0 °C In this example, the maximum outgoing primary flow temperature is set at 55 °C. The minimum permitted primary flow temperature is 27 °C (e.g. summer-time basement heating or the floor circuits in a bathroom). Outside Temperature CTC EcoZenith i250...
  • Page 13 On means that the heating is on. The mixing valve operates to the primary flow setpoint and the radiator pump is on. Off means that the heating is switched off and the radiator pump is switched off. - No selection means no function when activated. CTC EcoZenith i250...

  • Page 14: Technical Data

    General Information 2. Technical data Table 400V 3N~ Electrical Data CTC EcoZenith i250 H CTC EcoZenith i250 L Electrical data 400V 3N~ 50Hz Rated power 15.04 15.04 Immersion heater (steps of 0,3 kW) 0 - 15.0 Max immersion heater output...
  • Page 15 General Information 2.2 Table 230 V 1N~ CTC EcoZenith i250 H CTC EcoZenith i250 L Electrical Data Electrical data 230V 1N~ 50 Hz Rated power 12,04 12,04 Immersion heater (steps: 3, 5, 7, 9, 12 kW) 0-12 IP class IPX1...

  • Page 16: Measurements

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

  • Page 17: 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 Heat pump pipes to a usable level.

  • Page 18: Parameter List

    Boiler lower 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. upper ºC Max. time upper tank Max. time lower tank CTC EcoZenith i250...

  • Page 19: Control System

    Condense pipe secured Factory values Room temp. cooling 25.0 Room temp. The CTC EcoZenith i250 is delivered with set factory Smart: Low price. ºC Weekly schedule Smart: Over capacity. ºC values which are suitable for a standard house with Heating circuit 1 a standard radiator system.

  • Page 20: Menu Overview

    08 - 09 -- - -- Thursday 08 - -- -- - 21 Normal Friday 08 - -- -- - 21 Saturday 10 - 12 20 - 23 Sunday 10 - 12 20 - 23 CTC EcoZenith i250 Weekly schedule...
  • Page 21 Diff func. Pump / ºC On 32 Pool ºC Off 22(20) Pool ºC Off 22(20) Heating circuit Installer settings menu Heating circuit Installer Operation data heating CTC EcoZenith i250 T ºC Operation data heating Room1 Prim1 Return Room2 Prim2 T ºC...
  • Page 22 -- - 21 Pump H-tank (G46) 10 - 12 20 - 23 Temperatures Installer 10 - 12 20 - 23 H-tank (B6) ºC Suomi Française Dansk Norsk Settings Cooling CTC EcoZenith i250 Settings language Settings Common heating/cooling Heating circuit 1...
  • Page 23 None Function test Service Heating circuit Heat pump Function test Valves Alarm log Electric heater Factory settings coded Solar Quick start compressor. Diff thermostat function Software update, USB Pool Write log to USB Control current sensors Re-installation CTC EcoZenith i250...
  • Page 24 Def heating circuit 1 Sett. Diff termostat function Charge start diff temp ºC Heating circuit 1 Charge stop diff temp ºC Room sensor 1 Charge temperature °C Type Wireless Action Disconnect Status Associated Level of signal Battery Version x0102 CTC EcoZenith i250...
  • Page 25 Solar Quick start compressor. Quick start compressor. Diff thermostat function Diff thermostat function Software update, USB Software update, USB Pool Pool Write log to USB Write log to USB Control current sensors Control current sensors Re-installation Re-installation CTC EcoZenith i250...

  • Page 26: Detail Description Menus

    This displays the current outdoor The heating system’s structure can be 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 27: Room Temp

    Holiday room sensor can temporarily be deselected during Compressor Permitted Min outdoor temp °C the firing process. The EcoZenith i250 then provides Brine pump on Auto Tariff HP heating to the radiators using the set heating curve. The Test Diff thermostat function...

  • Page 28: Night Reduction Temperature

    -- - -- Status HP upper tank Thursday 08 - -- -- - 21 Tank upper °C 49 (58) peration data system CTC EcoZenith i250 Friday 08 - -- -- - 21 Tank lower °C 42 (45) Saturday 10 - 12 20 - 23 Electric power kW 0.0+2.5...

  • Page 29: Holiday

    You set the values for this option which apply to the Diff func. Pump / ºC On 32 Pool ºC Off 22(20) CTC EcoZenith i250’s normal operation. There are three Heating circuit 1 Weekly schedule Weekly program modes: Heating circuit Economic –...

  • Page 30: Weekly Program Dhw

    -- - 21 The timer comes on from 06–21 on Thursdays. 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: 01234 CTC EcoZenith i250...

  • Page 31: Operation Data System

    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 32: Operation Data Ecozenith

    42 (45) This menu displays current temperatures and the Electric power kW 0.0+2.5 Stored oper data operational data for your EcoZenith i250. The first figure Current L1/L2/L3 0.0 0.0 0.0 Diff func. Pump / ºC On 32 is the actual operational value, with the value in brackets Pool ºC...

  • Page 33: Operation Heating Circuit

    Mixing valve 2 outdoor temperature. Return flow °C Shows the temperature of the water returning from the radiator system to the CTC EcoZenith i250. Radiator pump Def heating circuit 1 Shows the radiator pump’s operational status. Sett. Diff termostat function Charge start diff temp ºC...

  • Page 34: Stored Operation Data

    22 - 24 This menu shows the operating values for the Electric Heating kWh 00 - 06 22 - 24 Compressor: EcoZenith i250 over a long period. 00 - 06 22 - 24 00 - 06 22 - 24 Total Operation time...

  • Page 35: Heat Pump

    1 and 2, respectively. ware display PCB: 20120205 ware HP PCB: 01234 ation data heating Heating circuit 1 The yellow curve is the CTC EcoZenith i250 return Heating circuit 2 temperature. Heat pump CTC SMS Cooling Solar panels Diff thermostat function...

  • Page 36: Installer

    22 - 24 Time/Language includes time and language settings for 00 - 06 22 - 24 Total Operation time 1540 your CTC EcoZenith i250. 00 - 06 23 - 24 Software display PCB: 20120205 00 - 08 23 - 24...

  • Page 37: Settings

    5°C. e-installation Switching between heating and summer mode can be controlled remotely. Specify here what is to happen with remote control. Find out more in the section entitled “Define/Remote control”. CTC EcoZenith i250...
  • Page 38 When the room temperature is too low, the message “Low room temperature alarm” is sent to CTC SMS. The room sensor must be connected and activated. NB: For more information on the SMS function, see the “CTC SMS” manual. CTC EcoZenith i250...
  • Page 39 No means that the heat pump will always follow the Electric heater actory settings coded temperature of the radiators. Solar uick start compressor. Diff thermostat function oftware update, USB Pool rite log to USB ontrol current sensors e-installation CTC EcoZenith i250...
  • Page 40 (setpoint) 25ºC. st alarm: Time HP (b) LP (b) SH (K) I(A) brine flow 07:20 6/3 15.9 ed alarms: ng phase order 10:30 1/3 27.9 -227 50.0 . err m. protect 09:01 1/3 27.9 42.2 CTC EcoZenith i250 Factory settings coded...

  • Page 41: Set. Heat Pump

    Smart block HP No (No/Yes) This is used when a dual tariff is used with lower energy costs at set hours of the day. Find out more in section entitled Define/Remote control/Smart Grid CTC EcoZenith i250...

  • Page 42: Electric Heater

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

  • Page 43: Upper Tank

    Smart Low price ºC 10 ( Off, 1...30 ) Find out more in section entitled Define / Remote control / Smart Grid Smart Over capacity ºC 10 ( Off, 1...30 ) Find out more in section entitled Define / Remote control / Smart Grid CTC EcoZenith i250...

  • Page 44: Cooling (Accessory)

    Stop temp HP °C Pool temp ºC Start/stop diff upper ºC Pool diff ºC Max time upper tank Pool priority Max time lower tank Smart low price. ºC Smart: Low price. ºC Smart over capcity. ºC Smart: Over capacity. ºC CTC EcoZenith i250...

  • Page 45: Sett. Diff Termostat Function

    However, the product and product size are Set. heat pump Def Heat pump retained. Compressor Permitted Heat pump Min outdoor temp °C Flow/level switch None Brine pump on Auto Tariff HP Minimum run time CTC EcoZenith i250 Smart block HP...

  • Page 46: Define System

    Delay mixing valve Main fuse A Input voltage 3x400 V Activate Heating c Tariff EL Level of signal Smart block immersion Phone Number 1 +46712345678 Smart block mixing valve Phone Number 2 ----------------- CTC EcoZenith i250 Cooling Hardware Version Software Version...

  • Page 47: Define Ctc Sms (Accessory)

    Cooling is adjusted using primary flow sensor 2 (B2), which means that radiator system 2 and cooling cannot be used simultaneously. Cooling No (No/Yes) This is for selecting whether cooling is installed. NOTE: See CTC EcoComfort manual for more information. CTC EcoZenith i250...

  • Page 48: Def Solar Panels

    Operation data. 8.8.7 Def. Pool Specify here whether pools are used. This function will only work if an expansion card is connected to the product. See the CTC Solar controls/Expansion card manual for more information. CTC EcoZenith i250...

  • Page 49: Define Remote Control

    *The number of heating systems varies between different products. The maximum is four heating systems. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...

  • Page 50: Remote Control

    *The number of heating systems varies between different products. The maximum is four heating systems. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 51 Closed terminal block = "Off" (in this example) *Individual function. This function is not present in all products. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 52 Installer/Settings/Upper tank/Extra DHW stop temp ºC menu Installer/Settings/DHW tank/Extra DHW stop temp ºC. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 53 *The number of heating systems varies from product to product. The maximum is four heating systems. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 54 In each function that can be controlled there is a choice of temperature change for low price mode and overcapacity mode. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 55 ** The number of heating systems varies from product to product. The maximum is four heating systems. *** Valid for CTC EcoLogic PRO/Family NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 56 If demand falls and the mixing valve closes, it may not open more than 50%. NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...
  • Page 57 • Cooling. Room temperature is reduced by 2ºC (Factory setting, Smart overcap. ºC) (EcoZenith 550; Heating System 2 is not affected) NB: Enertech AB is NOT responsible for the required heat being produced if the remote control has blocked the heating over a long period. CTC EcoZenith i250...

  • Page 58: Service

    The fan or brine pump and charge Heating Cable 4-way valve(Y11) pump are also operating so that the compressor is not going to trigger its pressure switches. Test valves Installer 3-way valve Down Save settings CTC EcoZenith i250 Save settings Load factory settings...
  • Page 59 Lower tank Pool priority Log compressor stop Phone Number 2 ----------------- Compressor operation Smart low price. ºC Cooling Cooling 20.2 (20.0) Hardware Version Expansion valve Smart over capcity. ºC Software Version Log compressor stop Cooling Holiday Night reduction CTC EcoZenith i250...

  • Page 60: Alarm Log

    Lower tank Pool priority you can also take a look without any code to see what Compressor operation Smart low price. ºC Expansion valve Smart over capcity. ºC options feature in the menu. Log compressor stop Cooling CTC EcoZenith i250...
  • Page 61 All three currents (L1, L2 and L3) will appear in the program update! Several minutes current operational data when EcoZenith i250 has may pass before the display identified the current transformers’ relevant phases. communicates clearly after restart.

  • Page 62: Operation And Maintenance

    Air must be supplied to the closed system. Operation stop 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 63: Troubleshooting/Appropriate Measures

    General Information 10. Troubleshooting/appropriate 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 64 Touch the entire radiator surface. Bleed the radiators. The CTC EcoZenith i250's economical operation demands a radiator system that functions effectively. • that EcoZenith is operating and no error messages are displayed.
  • Page 65 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 66: Information Messages

    “Heating from heating system 1/2” Smart: low price/overcap./blocking is also shown The product is operated on the basis of “Smart Grid”. Also see: “Define system / Remote control / Smart Grid”. CTC EcoZenith i250...

  • Page 67: Alarm Texts

    If the fault recurs, contact your installer. Low brine temp Incoming brine temperatures from borehole/ground loop are too low. Press reset and check whether the alarm recurs. If the fault recurs, contact your installer to check the dimensions of the cold side. CTC EcoZenith i250...
  • Page 68 Press reset and check whether the alarm recurs. If the fault recurs, contact your installer. Low evaporation This message appears when the evaporation temperature is low. Press reset and check whether the alarm recurs. If the fault recurs, contact your installer. CTC EcoZenith i250...
  • Page 69 Press reset and check whether the alarm recurs. If the fault recurs, contact your installer and tell them the error code number where applicable. Driver: Offline Communication error. The electrical connection box and driver of the heat pump are not communicating. CTC EcoZenith i250...

  • Page 70: 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 71: Pipe Installation

    ∆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).For EcoZenith i250, see valve DN20. CTC EcoZenith i250...

  • Page 72: Pump Curve Charge Pump

    Minimum inlet pressure: Insulation class: temperature Drehzahl P1 [W] Liquid temperature: +2 °C to +95 °C (TF 95) Equipment class: 0,04 Motor protection: Overload protection Approval and marking: VDE, CE CTC EcoZenith i250 0,52 Revision date: 1 november 2011 Maßskizzen und Klemmenkastenstellungen...

  • Page 73: 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 74 If the sub-mixing valve (radiator system 2) is to operate in the summertime while radiator system 1 is switched off, the system can be supplemented by an electric shut-off valve that closes the flow through the switching off of radiator pump (G1). CTC EcoZenith i250...
  • Page 75 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 76: 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. The CTC Eco Air’s lower connection (5) is connected to the right connection (2) when viewed from the front, so that water is pumped out to the heat pump.
  • Page 77 250H (behind the diverting valves). The pump pumps water to the connected heat pump. Pipe connection for CTC EcoAir 400 Pipe connection for CTC EcoPart 400     Outgoing (heated) water to boiler. Incoming (cold) water from boiler. CTC EcoZenith i250...

  • Page 78: 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 (G40) BV CTC EcoZenith i250...

  • Page 79: Energyflex

    If you are unsure how to make the connection, contact CTC for suggestions on how to install the system. Schematic diagram only The installer adds expansion vessels, safety valves, etc., and sizes the system. CTC EcoZenith i250...
  • Page 80 Solar output (3/4) H. Symbol of tank volume in CTC EcoHeat 400 and CTC EcoZenith i250. The tank in the CTC EcoHeat 400 and CTC EcoZenith i250 will be called the H-tank (main tank). Energy can be collected through the solar outputs (solar panels, wood-fired boiler) or generated (swimming pool).
  • Page 81 Installation System options, Energyfl ex The flexibility in the CTC EcoHeat and CTC EcoZenith i250 is optimised because the products contain functionality for five basic systems. These are: Solar "system 1" Solar "system 2" Solar "system 3" Diff thermostat function Pool Solar also offers the facility to recharge the drill hole or collect energy for an extra tank, with or without a solar coil.

  • Page 82: 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 83: Positioning Of Electrical Components

    Terminal block: G41-G48. Terminal block: A11-A20. Terminal block: G31-G40. Terminal block: A21-A30. Terminal block: G61–G76. Contactors. Electrical installation CTC EcoZenith i250 Lower immersion heater. Strain reliever. Heat pump power supply. The black connector that only supplies any connected heat pumps with power is connected here.

  • Page 84: Electrical Connection To Heat Pump

    14.4 Electrical connection to heat pump General The CTC EcoAir 406-410 or CTC EcoPart 406-412 heat pumps receive their power supply from the EcoZenith i250 via a separate connector. Charge pump The factory-installed charge pump for heat pumps is connected internally in the CTC EcoZenith i250 L.

  • Page 85: Heat Pump Power Supply 400 V 3N

    Installation 14.4.2 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 86: Extra Low Voltage Protection

    Apply contact paste to the front 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 87: Current Sensor Connection

    The current sensors’ holes for cables are 11 mm in diameter. Use at least 0.5 mm cable. Connection block From electricity meter To boiler Low current Current sensor Fuse panel CTC EcoZenith i250...

  • Page 88: Terminal Boards

    There are terminal boards for sensors, radiator pumps, etc. behind the panel. Open the spring block first using a screwdriver before the cable is inserted. Otherwise, there is a risk of poor contact. Also make sure that the conductor is sufficiently stripped. CTC EcoZenith i250...

  • Page 89: Settings Made By The Installation Electrician

    1.3 A Power 1.2 kW 2.3 kW 0.6 kW 2.3 kW 0.3 kW 230V 1N~ Relay EL2B EL2B EL1B EL1A Ström 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 90: Switching To 18 Kw Electric Heater Power

    14.8 Switching to 18 kW electric heater Warning Begin power. by disconnecting the power to the CTC EcoZenith i250 3x400 V can be reconnected to a 18 kW immersion product. Installation heater. must be carried NB: Installation must be carried out by a qualified electrician.
  • Page 91 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 92: Connection Of Pump (G46) To Diff. Therm. Func

    Installation 14.9 Connection of pump (G46) to Diff. therm. func. 230 V 1N~ The Circulation pump (G46) is connected at the following terminal blocks: Relay card in the EcoZenith i250 (see wiring diagram). Note the cable colours! Phase: brown Terminal block A:11(EcoZenith i250)
  • Page 93 Installation CTC EcoZenith i250...

  • Page 94: Wiring Diagram 3X400

    Installation 14.11 Wiring diagram 3x400 V CTC EcoZenith i250...
  • Page 95 Installation CTC EcoZenith i250...

  • Page 96: Wiring Diagram 1X230

    Installation 14.12 Wiring diagram 1x230 V CTC EcoZenith i250...
  • Page 97 Installation CTC EcoZenith i250...

  • Page 98: Component List, Wiring Diagram

    Radiator pump 2 Charge pump 1 DHW pump Charge pump external tank – Differential thermostat function H-tank Main tank (EcoHeat/EcoZenith i250) Contactor 1 Contactor 2 Flexible remote control/ Smart Grid Flexible remote control/ Smart Grid Flexible remote control/ Smart Grid...

  • Page 99: Resistances For Sensors

    10142 5045 5960 12125 7080 14564 8450 17585 21338 10130 25986 12200 1115 14770 32079 1443 18000 39611 1883 22000 48527 2478 60852 27100 3289 33540 76496 41800 98322 52400 125779 66200 84750 108000 139000 181000 238000 CTC EcoZenith i250...

  • Page 100: Connection Of Ctc Ecoair 500M Heat Pump

    -25 -20 -15 -10 -5 5 10 15 20 25 30 Outdoor ºC The CTC EcoZenith i250 is supplied with suitable factory settings for the CTC EcoAir 500M. Enertech AB recommend these for optimal operating economy. CTC EcoZenith i250...

  • Page 101: Menu Functions Unique To The Ctc Ecoair 500M

    23-24 Saturday 00-08 23-24 Sunday 00-08 22-24 The CTC EcoZenith i250 is supplied with suitable factory settings for the CTC EcoAir 500M. Enertech AB recommend these for optimal operating economy. Inst. Ljudreducering CTC EcoZenith i250 Silent mode Active Monday 00-06...

  • Page 102: Heat Pump Settings

    Saturday 00-08 23-24 speed of the compressor at outdoor temperature T2 Sunday 00-08 22-24 The CTC EcoZenith i250 is supplied with suitable factory settings for the CTC EcoAir 500M. Enertech AB recommend these for optimal operating economy. CTC EcoZenith i250...

  • Page 103: Heat Pump Settings Continued

    Find out more in section entitled Define/Remote control/Smart Grid The CTC EcoZenith i250 is supplied with suitable factory settings for the CTC EcoAir 500M. Enertech AB recommend these for optimal operating economy. CTC EcoZenith i250...

  • Page 104: Set Schedule Noise Reduction

    Noise reduction has been activated (On) and noise reduction is currently in progress (On – Active) The CTC EcoZenith i250 is supplied with suitable factory settings for the CTC EcoAir 500M. Enertech AB recommend these for optimal operating economy. CTC EcoZenith i250...

  • Page 105: First Start

    Installation CTC EcoAir 520M 16. First start When the CTC EcoZenith i250 is delivered, the heat pump is blocked to avoid it 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 106 Specify inclination 1 for radiator system 1. 10. Specify the adjustment for radiator system 2. 11. Current sensors identified. The CTC EcoZenith i250 then starts and the start menu appears. 12. Enter the set values in the parameter list so that the customer knows what has been set in addition to factory settings during installation.

  • Page 107: Declaration Of Conformity

    Enertech AB Box 313 S-341 26 LJUNGBY Försäkran om överensstämmelse Déclaration de conformité Declaration of conformity Konformitätserklärung Declaration of försäkrar under eget ansvar att produkten, Conformity 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 108 Enertech AB. P.O Box 309 SE-341 26 Ljungby Sweden. www.ctc.se, www.ctc-heating.com...

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