62 105 45-1 2015-03-10 Providing sustainable energy solutions worldwide Installation and Maintenance Manual CTC EcoZenith i250
CTC EcoZenith i250
Installation and Maintenance Manual CTC EcoZenith i250 162 105 45-1 2015-03-10
Table of Contents GENERAL INFORMATION Checklist______________________________________________________________________ 6 Important to remember!______________________________________________ 7 Safety Instructions______________________________________________________ 7 1. Your home’s heating installation__________________________ 8 2. Technical data_____________________________________________________ 11 3. 4. 5. 6. 7. 8. 2.1 Table 400V 3N~ _____________________________________________ 11 2.
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. Keep this manual containing the installation and maintenance instructions. If it is properly maintained, you will be able to enjoy the use of your CTC EcoZenith i250 for many years. This manual will provide all the information you will need.
General Information Checklist The check list must be completed by the installer. • In the event of a service, this information may be called for. • Installation must always be done according to the installation and maintenance instructions. • Installation must always be carried out in a professional manner. • Following installation, the unit must be inspected, functional checks performed and the customer informed. The points below should be checked off.
General Information Important to remember! Check the following in particular on delivery and installation: • The product must be transported and stored in an upright position. When moving the product, it can be placed temporarily on its back. • Remove the packaging and check before installation that the product has not been damaged in transit. Report any transport damage to the carrier. • Place the product on a solid foundation, preferably made of concrete.
General Information 1. Your home’s heating installation Your home's heating installation The House Heating Curve The heating curve is the central part of the product’s control system. It is the heating curve which determines the compensated flow temperature requirements for your property dependent upon the outdoor temperatures. It is important that the heating curve is correctly adjusted, so that you achieve the best operation and economy possible.
General Information Adjusting the heating curve The method described below can be used to adjust the heating curve correctly. Adjustment if it is too cold indoors • If the outdoor temperature is lower than 0 degrees: Increase the Inclination value by a couple of degrees. Wait 24 hours to see if any further adjustment is required. • If the outdoor temperature is higher than 0 degrees: Increase the Adjustment value by a couple of degrees. Wait 24 hours to see if any further adjustment is required.
General Information Examples of Heating Curves You can see in the diagram below how the heating curve changes with different Inclination settings. The gradient of the curve shows the temperatures that the radiators require at different outdoor temperatures. Primary Flow Temperature Curve Inclination The inclination value which is set is the primary flow temperature when the outside temperature is –15 °C.
General Information 2. Technical data 2.1 Table 400V 3N~ CTC EcoZenith i250 H Electrical Data CTC EcoZenith i250 L 400V 3N~ 50Hz Electrical data Rated power kW 15.04 15.04 Immersion heater (steps of 0,3 kW) kW 0 - 15.0 Max immersion heater output @ fuse size 16 / 20 / 25 A kW 3+6/6+6/9+6 IPX1 IP class CTC EcoZenith i250 H Heating system Water volume. thermal store (V) Max. operating pressure. thermal store (PS) Max. temperature.
General Information 2.2 Table 230 V 1N~ CTC EcoZenith i250 H Electrical Data 230V 1N~ 50 Hz Electrical data Rated power kW Immersion heater (steps: 3, 5, 7, 9, 12 kW) kW 12,04 IPX1 CTC EcoZenith i250 H Heating system Max. operating pressure. thermal store (PS) Max. temperature. thermal store (TS) l Max.
General Information 1748 / 1497 1904 / 1654 3. Measurements 10 Sockets (3/4) for energyflex (Behind front plate) 192 83 618 / 366 10 595 672 595 1. Bleeding 7. From heat pump Ø22 (CTC EcoZenith i250L) 5 6 2 3 423 9 423 6. Radiator return Ø22 mm/expansion connection 4 344 5. Radiator primary flow 22 compression 190 4. Hot water Ø22 1 344 3. Cold water connection Ø22 114 190 2. Safety/connection waste pipe 3/4” 22 8 7 114 10 8. To heat pump Ø22 (CTC EcoZenith i250L) 9.
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. Afterwards it releases the energy for the heating system and hot water. The built-in immersion heaters help when additional heat is needed or when a heat pump is not connected.
General Information 5. Parameter list Radiator system Factory value Max. primary flow ºC 55 Min. primary flow ºC Off Heating off, out ºC 18 Heating off, time 120 Inclination ºC 50 Adjustment ºC 0 Room temp.
General Information 1 2 Room temperature settings Room temp. Def heating circuit 1 6. Control system The CTC EcoZenith i250 has an advanced yet straightforward control system with a touchscreen on which all settings are entered directly. The CTC EcoZenith i250 control system: • monitors all functions in the system tank, heat pump and heating system.
CTC EcoZenith Monday 09:35 General Information Room temp. DHW Operation Installer Room temp. Room temp. DHW DHW Operation Operation Installer Installer DHW 21,2 ºC Operation 58 ºC Installer -5 ºC 21,2 ºC 21,2 ºC 58 ºC 58 ºC -5 ºC -5 ºC 21,2 ºC 58 ºC -5 ºC 1 2 1 Room temp. 22,2 1 2 1 ºC 7. Menu overview 1 1 1 1 1 1 2 1 ºC 22,2 22,2 2 1ºC 2 2 2 2 22,2 ºC 2 Heating circuit 2 1 Room temp.
Room temp. DHW Operation Installer General Information 1 1 2 1 21,2 ºC 58 ºC Night reduction heat circ. -5 ºC 2 1 Room temp. Start menu CTC EcoZenith 1 Weekly program Decrease Increase Decrease Increase 2 art menu CTC EcoZenith Heating circuit 2 1 Room temp. DHW 2 Start menu CTC EcoZenith Night reduction 1 Installer Monday Holiday 1 09:35 2 22,2 ºC DHW Room temp.
Weekly program Decrease ating system data Normal Increase Decrease Operation data system Increase Block Sunday Friday --------------- Temperature 07 - 09 -- - -OperationTuesday data EcoZenithCompressor NR 22:00 14:00 00:00 00:00 Current L1 oper data 4.0 0.0+2.5 Stored 0.0 0.0 0.0 On 32 Off 22(20) Electric power kW Current L1/L2/L3 Diff func.
Consumtion kWh Compressor: 20 Total Operation time 1540 General Information Heat pump Installer settings menu Installer settings menu Compressor Charge pump Brine pump HP in/out °C On On 47% On 35.5 / 42.3 Current L1 4.
ettings language Sto Pa Sto Sto Settings language General Information venska Nederlands English Deutsch Svenska Nederlands English Suomi Française Dansk Norsk Suomi Française Dansk Settings Deutsch Norsk Settings menu Settings ating circuit 1 Heating circuit 1 ating circuit 2 Heating circuit 2 at pump Heat pump ectric heater Electric heater pper tank Upper mote control Nonetank Remote control None ommunication Communication lar panels Solar panels f thermostat function Diff thermostat function
Current L1 Current L1 4.0 Svenska 4.0 Nederlands English Night reduction General Information 1 2 Suomi Installer Installer Française Dansk Deutsch Holiday Norsk Room temp. Time Time Settings21:34 21:34 Heating circuit 1 Heating circuit 1 (50) Date 2012-02-05 Date 2012-02-05 Heating circuit 2 Heat pump Electric heater Upper tank Remote control None Communication Solar panels Night reduction Diff thermostat function Pool InstallerSave Installer settings Loadtosettings Set.
General Information 8. Detail Description Menus Start menu CTC EcoZenith All the settings can be configured directly on screen using the well-structured control panel. The large icons operate as buttons on the touch display. Operational and temperature information is also displayed here. You can easily enter the different menus to find information on the operation or to set your own values. 8.1 Room temp. 1 Start menu This menu is the system’s start menu.
General Information 1 2 Start menu CTC EcoZenith Room temp. 8.3 Room temp. Heating circuit 1 This is used to set the desired room temperature. Use Yes Yes minus buttons to set the temperature Wire you want, which gives you the “setpoint” temperature, shown in brackets. You can see the current value next to the brackets. Primary flow1 ºC 33(34) Return flow ºC 31 Room temp.
General Information 8.3.2 Outdoor Sensor/Room Sensor Faults ! If a fault occurs with an outdoor sensor, the product triggers an alarm and an outdoor temperature of -5 °C is simulated so that the house does not get cold. The thermostats of the radiators must be fully open and well operating when the system is tuned. If a fault occurs with a room sensor, the product triggers an alarm and automatically switches to operating according to the set curve. 1 8.3.
Weekly program Block Sunday Friday --------------- Decrease Start menu Increase CTC EcoZenith Decrease General Information emperature settings Increase NR 22:00 14:00 00:00 00:00 Monday 09:35 oom temp. 1 2 circuit 1 Room temp. 8.3.4 Holiday circuit 2 DHW Holiday (50) 1 2 1 2 You use this option to set the number of days for which you want the set night reduction temperature to be Night reduction Holiday 1 constantly reduced. For example, if you want to go on holiday.
1 2 3 days Holiday period Night reduction General Information Holiday g DHW comfort HW 8.4.1 Weekly program DHW 0.0 hours er You can use this menu to schedule periods during weekdays when you want extra hot water. This schedule is repeated every week. ature al Options for the weekly program are Off or Day by day.
General Information Cooling Temperature Common heating/cooling Normal Condense pipe secured Room temp. cooling No No No 25.0 Weekly schedule 8.5 Operation data system 1 Heating system data Operation data system Room Def CTC SMS This menu displays current temperatures and the operational data for your heating system. Primary flow radiators The temperature of the primary flow to the house’s radiators is shown above the CTC EcoZenith i250 (42°C).
0.0 hours er Weekly program Monday Tuesday Wednesday Thursday Friday Saturday Sunday ature al Day by day DHW 06 - 09 18 - 21 07 - 09 -- - -08 - 09 -- - -General Information 08 - --- - 21 08 - --- - 21 10 - 12 20 - 23 10 - 12 20 - 23 Weekly schedule 8.5.1 Operation data EcoZenith system data peration data system This menu displays current temperatures and the operational data for your EcoZenith i250.
General Information Diff func.Pump/Temp. ºC Differential thermostat function Shows whether charge pump (G46) is switched on (ON, OFF). Displays temperature of external tank. ºC (B46) ! Pool ºC Off 23 (22) Pool function Shows whether pumps (G50,G51) are switched on (ON, OFF). Displays pool temperature and (setpoint) If the expansion card has not been installed and Pool has been defined, the product will emit an alarm: Comm. fault expansion card. 8.5.2 Operation Heating circuit Op.
General Information 8.5.3 Stored operation data Stored oper data t reduction heat circ. 1 ogram y Day by day NR 00 - 06 22 - 24 This menu shows the operating values for the 00 - 06 22 - 24 00 - 06 EcoZenith 22 - 24 i250 over a long period.
oom ogramtemp. Day by day 00 00 00 00 00 00 (50) 00 - ycircuit 1 circuit 2 06 06 06 06 06 08 08 1 2 NR 22 - 24 General 22 - 24 22 - 24 22 - 24 23 - 24 23 - 24 22 - 24 Night reduction g DHW HW 1 EcoAir Compressor On (On/Off) Shows whether the compressor is operating or not. 0.0 hours Charge pump On 47% Shows the charge pump's operational status and flow as a percentage. (The example shows that the charge pump is currently operating at 47% speed.
General Information 8.6 Installer Installer settings menu Installer Stored oper data t reduction heat circ. 1 ogram y Day by day This menu NR contains four sub-menus. Time/Language, 00 - 06 22 - 24 Settings, Define system and Service. 00 - 06 22 - 24 00 - 06 22 - 24 includes time and language settings for 00 - 06 Time/Language 22 - 24 00 - 06 your 23CTC - 24 EcoZenith i250.
klyInstaller program DHW ogram me ay ate Settings language Day by day DHW 06 - 09 General 18 - 21 21:34 Information 07 - 09 -- - -08 - 09 -- - -2012-02-05 08 - --- - 21 08 - --- - 21 10 - 12 20 - 23 10 - 12 20 - 23 8.7 HP upper tank ettings er °C language 49 (58) This used to set the parameters for operating r °C 42 is (45) ower kW Stored data that this default setting the0.0+2.5 system. It is oper important /L2/L3 0.0 0.0 0.0 venska Nederlands English Deutsch is adjusted for your property.
t pump t es .heater General Information Inclination (default setting) 50(25...85) Inclination means the temperature your property needs at different outdoor temperatures. See more detailed information about this in the chapter on Your property’s heating installation. The value set corresponds to the temperature of the radiators when the outdoor temperature is -15ºC. After this default setting, fine adjustment takes place in the “Room temperature” menu. Adjustment 0 (-20...
General Information Drying period mode Off (Off/1/2/3) Floor drying function for newly-built properties. The function limits the calculation of primary flow temperature (setpoint) for “Your home’s heating installation” to the schedule below. Mode 1 Floor drying function for 8 days. 1. The (setpoint) of the radiator system is set to 25ºC for 4 days. e sh ’ me o r h on” i ou “Y tallat s n i 2. 1. Radiatorsystem forts 1 2. On Days 5–8, the value set in “Floor function temp. Test Heat pump ºC” is used.
Heating circuit 1 (50) Sav Loa General Information Night reduction 8.7.2 Set. heat pump Holiday Set. heat pump Compressor Permitted/Blocked The product is supplied with a blocked compressor. When the compressor is blocked, the product operates like an electric boiler. All other functions are intact. Compressor 1 Min outdoor temp °C 2 Brine pump on Tariff HP Minimum run time Permitted -15 Auto Off 6 Hea Flo 50 57 60 5.5 55 6.
Min outdoor temp °C Brine pump on Tariff HP Minimum run time 2 General Information 8.7.3 Electric heater Upper boiler °C 50 (30...60) Temperature when the immersion heater kicks in and helps EcoZenith i250 to produce domestic hot water when there is great demand. A low setting is recommended. The immersion heater is also responsible for providing the house with additional heating.
1 2 Room temp. Heating circuit 1 Delay mixing valve 180 (30...240, blocked) The mixing valve delay, the period before it draws energy from the immersion heater, is set here. It can be set from 30 to 240 minutes. If the value is set to ”Blocked”, the mixing valve will never open to the boiler. (Blocked) Main fuse A 20 (10...35) The property’s main fuse size is set here.
General Information 8.7.5 Remote control Shows the type of remote control selected. “NR” = Remote night reduction, e.g. via the minicall system. SO = Ripple control. Disconnecting the compressor and immersion heater during a certain period which is defined by the electrical supplier (special equipment). DHW = Extra hot water, used along with the Extra DHW button. 1 2 8.7.6 Communication Room temp. These settings are activated for the Superior systems and are not used in normal operation.
Mixing valve Delay mixing valve Primary flow 2ºC Radiator pump 2 Mixing valve 2 Open 180 33(34) Från General Information S 8.7.8 Sett. Diff termostat function Def heating circuit 1 The function must be defined before the settings can be entered. function is used if Heating circuit 1The operating thermostat Yes Room sensor 1 Yes you want to charge your system tank (e.g. EZ 250) from Type Wireless a water-jacketed stove, or another water source. Action Sett.
HP upper tank 49 (58) General Information 42 (45) 0.0+2.5 Stored oper data 0.0 0.0 0.0 On 32 Off 22(20) er °C r °C ower kW /L2/L3 Pump / ºC Heating circuit 8.8 Define system ration data heating Here you can define the method of use of the product. Define functions such as: heat pump, room sensor, radiator system 2, solar heating, etc. For more information, see the relevant function on the following pages.
General Information Op. Def heating circuit 1 Heating circuit 1 Room sensor 1 Type 8.8.3 Define CTC SMS (accessory) This is for defining whether SMS control is installed (accessory). Activate Yes (Yes/No) If “Yes”, the menus below will be displayed. Level of signal The level of signal of the reception is shown here.
r °C °C wer kW /L2/L3 ump / ºC HP upper tank 49 (58) 42 (45) General 0.0+2.5 StoredInformation oper data 0.0 0.0 0.0 On 32 Off 22(20) Heating circuit Electric heater Upper tank Remote control None Communication Solar panels Diff thermostat function Pool Save settings Load settings Load factory settings 8.8.5 Def Solar panels Solar panels No/Yes ation data heating Specify here whether solar panels are used. This function will only work if an expansion card is connected to the product.
Settings ation 1 data 2 heating eating circuit 1 eating circuit 2 eat pump Room temp.
General Information Communication Test Heat pump Communication MB address 1 Baud rateHP Brine pump/Fan 9600 Parity Communication MB address 1 the fan or brine (On/Off) Activation of1even Stop Baudbit rate 9600 Parity even MB address 1 Stop bit HP Charge pump 1 Baud rate 9600 (On/Off) Function test 0–100%. Parity even Stop bit 1 Test Heat pump (On/Off) pump.
Flow/level switch None 8.11 Alarm log Heat pump Test Heating circuit Off Flow/levelYou switch can use this to None read information about the latest Mixing valve1 Open is displayed at the top and the alarms. The latest alarm Rad pump1 On four latest alarms are Mixing valve2 Off shown under Stored alarms. Off which reoccurs within an hour is ignored so On as not to fill up the log. If all the alarms are the same, this can indicate that there is an intermittent fault, e.g. a loose contact.
ation data heating General Information 20 Room1 0 Prim1 4 8 Heating circuit 1 Heating circuit 2 Heat pump CTC SMS Cooling Solar panels Diff thermostat function Pool (G50, G51, B50) No No 12 Quick start compressor Return Room2 Prim2 (Applies only if heat pump is installed.) When starting up the product, the compressor’s start is delayed by 10 minutes. This function speeds up this process. Software update, USB This is only for service engineers.
General Information 9. Operation and Maintenance When the installer has installed your new system, you should check along with the installer that it is in perfect operating condition. Let the installer show you where the switches, controls and fuses are so that you know how the system works and how it should be maintained. Bleed the radiators after around three days of operation and top up with water if required.
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. If a fault occurs, you should always contact the installer who installed your unit.
General Information If you do not achieve the set room temperature, check: • that the radiator system is correctly adjusted and is functioning normally. that radiator thermostats are open and the radiators are equally warm all over. 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. • that there is sufficient electrical power available.
General Information Current Monitor The CTC EcoZenith i250 has an integrated current monitor. If the system is fitted with a current sensor, the property’s main fuses are continuously monitored to ensure they are not overloaded. If this should happen, electric stages are disconnected from the CTC EcoZenith.
General Information 10.1 Information messages Information messages are displayed when appropriate and are intended to inform users about various operational situations. Start delay Start delay The compressor is not allowed to start too quickly when it has stopped. The delay is usually approx. 10 minutes. Heating off, radiator sys Shows that the product is operating in summer-time mode when only hot water is required, not heating. Ripple control Shows that ripple control is active.
General Information 10.2 Alarm texts Alarm: Wrong phase order compressor Reset alarm If a fault occurs with a sensor, for instance, an alarm is triggered. A message appears on the display with information about the fault. You reset the alarm by pressing the Reset alarm button on the display. If several alarms are triggered, they are displayed one after the other. An outstanding fault cannot be reset without being rectified first. Some alarms are reset automatically if the fault disappears.
General Information Alarm text Description High brine temp 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. Low brine flow Low brine flow is very often due to air in the collector system, particularly just after installation.
General Information Alarm text Description High evaporation This message appears when the evaporation temperature is high. Press reset and check whether the alarm recurs. If the fault recurs, contact your installer. Low suct gas exp. valve This message appears when the suction gas temperature is low. Press reset and check whether the alarm recurs. If the fault recurs, contact your installer. Low evapor exp. valve This message appears when the expansion valve’s evaporation temperature is low.
Installation Installation 11. Installation This chapter is aimed at anyone responsible for one or more of the installations required to ensure that the product works the way the property owner wants. Take your time going through functions and settings with the property owner and answer any questions. Both you and the CTC EcoZenith i250 benefit from a user who has completely understood how the system operates and should be maintained. ! The product must be transported and stored in an upright position.
Installation 12. Pipe installation The installation must be carried out in accordance with current standards and regulations. Refer to the Warm and Hot Water Installation Instructions 1993. The product must be connected to an expansion vessel in an open or closed system. Do not forget to flush the radiator system clean before connection. Apply all the installation settings based on the description in the chapter “First start”. 12.1 Filling Filling valve (no.
Installation 6 UPM2, UPM GEO and UPM2K 12.1.2 Pump curve charge pump Performance curves and technical data The diagram below shows the pump curve for the factory-installed charge pump for a Grundfos UPM2 15-60 130 heat pump. UPM2 15-60 130, 1 x 230 V, 50/60 Hz p [kPa] 60 H [m] 6 5 40 4 30 3 20 2 10 1 0 0 0.0 6 P1 [W] 0.2 0.0 0.4 0.6 0.1 0.8 1.0 0.2 1.2 1.4 0.3 1.6 1.8 0.4 2.0 0.5 2.2 2.4 0.6 2.6 0.7 Q [m³/h] 2.8 0.8 Q [l/s] UPM2, UPM GEO, UPM2K 50 40 EEI ≤ 0.
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.
Installation Circulation pump, radiator system (G1) (G2) The circulation pump is fitted on the boiler’s primary flow and must be connected electrically from the boiler; see chapter on Electrical installation. ! Mixing valve DHW (65) NB: It is important to fit a shut-off valve (94) to both the primary and return flows. Install a mixing valve for the hot tap water in order to avoid the risk of scalding. Safety valve DHW (93) Fit the enclosed valve to the incoming cold water connection.
Installation Expansion vessel connection 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). The expansion vessel with installation kit is available as an accessory. Expansion vessel for installation above the tank. ! Expansion vessel for installation under the tank.
Installation 12.3 Connection to heat pump The heat pump is connected to the top (CTC EcoZenith i250L, see figure below) or bottom (CTC EcoZenith i250H). 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.
Installation Pipe connection for CTC EcoZenith i250H (The picture shows the back of the product) Pipe connection for CTC EcoAir 400 64 Outgoing (heated) water to boiler. 5. Incoming (cold) water from boiler. CTC EcoZenith i250 Incoming (heated water) from heat pump Ø22 2. Outgoing (cold water) to heat pump,union 3/4 3. Preassembled charge pump on CTC EcoZenith i250L installed on 250H (behind the diverting valves). The pump pumps water to the connected heat pump.
Installation 12.4 DHW system You can connect a DHW circulation system. You can see this kind of connection in the figure below.
Installation 13. Energyflex Energyflex is a collective term that describes CTC's unique opportunity for maximum flexibility and combining difference heat sources in a simple way. The most common combination is a heat pump and electric boiler.
Installation Introduction Energyflex - EcoSol The CTC EcoHeat and CTC EcoZenith i250 H/L have a water volume of 223 l with layered disc and solar output. Solar output (3/4) is a part of Energyflex. 223L 223L Solar output (3/4) CTC Ecoheat 400 (223L with solar output and layered disc). 223L CTC EcoZenith i250 H/L (223L with solar output and layered disc). H Solar output (3/4) H. Symbol of tank volume in CTC EcoHeat 400 and CTC EcoZenith i250.
Installation System options, Energyflex 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.
Installation 14. Electrical installation Installation and connection in the CTC EcoZenith i250 must be undertaken by an authorised electrician. All wiring must be installed according to applicable regulations. 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. Electrical connections are made behind the product's front panel.
Installation 14.3 Positioning of electrical components Automatic circuit breakers. Backup heating thermostat. Max. thermostat. Upper immersion heater. Connection to display. Terminal block: G41-G48. Charge pump PWM: G45-G46 Terminal block: G31-G40. Return sensor: G31-G32 Extra VV/Night reduction: G33-G34 Current sensor: G37-G40 Communication HP. Terminal block: G51-G53 Brown cable: G51 White cable: G52 Green cable: G53 Terminal block: G11-G22.
Installation 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. The charge pump is connected to CTC EcoZenith i250 H in the preassembled connector (Molex and PWM) located under the electrical cabinet.
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”. Recommended cable 400 V 3N~ Ölflex 110 5G 2.5 black. The cable is connected between the products in accordance with the heat pump’s instruction manual. 14.4.
Installation 14.5 Extra low voltage protection The following outputs and inputs have extra low voltage protection: current sensor, outdoor sensor, room sensor, primary flow sensor, return sensor, NR/SO, temperature sensor, level switch and PWM signals. Connection of outdoor sensor (B15) The sensor should be set up on the house’s northwest or north side, so that it is not exposed to morning and evening sun. If there is a risk of the sensor being affected by the sun’s rays, it must be protected by a screen.
Installation 14.5.1 Remote-controlled temperature reduction The night temperature reduction function can be activated via a closed function on the electricity remote control input, pins G33 and G34 on the terminal board. The function can be controlled remotely using “Minicall”, for instance. While the input is short circuited, the temperature reduction is activated, regardless of other settings. When the short circuit ceases, the product returns to ordinary settings.
Installation 14.5.3 Terminal boards There are terminal boards for sensors, radiator pumps, etc. behind the panel.
Installation 14.6 Settings made by the installation electrician. The following settings shall be made by the installation electrician after installation: • Select main fuse size • Select the power limitation for the immersion heater. • Check room sensor connection • Check that the sensors connected indicate reasonable values. Carry out the following checks: Main fuse and effect limitation settings See the chapter on First start.
Installation 14.8 Switching to 18 kW electric heater power. 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 ! Warning Begin by disconnecting the power to the product. Installation must be carried out by a qualified electrician. 1. Begin by disconnecting the power to the product. 2. Free the three black wires with insulation sleeves from the cabling. 3.
Installation 4. The black wires should have a designation stating the cable number and connection position. For example, 46 K2:1, where the 1 stands for screw joint position 1. Begin by loosening the screw joint at position 1 and freeing the brown wire. Mount the brown and respective black wires in the same screw joint. Repeat for screw joints on positions 3 and 5. Tighten screw joints 1 to 5, inclusive. Remount the switch on the DIN rail and lock using the yellow catch.
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 Zero: blue Earth: yellow/green Terminal block A:11(EcoZenith i250) Check the function by test running the pump in menu “Installer/Service/ Function test” in the control system. 14.10 Connection of sensor (B46) to Diff. therm. func.
Installation 14.
Installation CTC EcoZenith i250 81
Installation 14.
Installation CTC EcoZenith i250 83
Installation 14.13 Component list, wiring diagram No. Component. A1 Display A2 Relay/main card B1 Primary flow sensor 1 B2 Primary flow sensor 2 B5 Upper tank sensor B6 Lower tank sensor B7 Return sensor B11 Room sensor 1 B12 Room sensor 2 B15 Outdoor sensor NTC 150 B 46 Sensor external tank – Differential thermostat function. COM HP Communication heat pump 84 G51 = Brown cable, G52 = white cable, G53 = green cable.
ning av sensor nce Ω Installation Givare 22kΩ, framledning/ retur 2,5m CTC EcoAir 105-125, EcoEl, Excellent II CTC EcoHeat, EcoLogic, EcoZenith CTC EcoFlex, EasyFlex, V40 Lambda 14.
Installation CTC EcoAir 520M 15. Connection of CTC EcoAir 520M heat pump The CTC EcoAir 520M is a modulating heat pump that is fully designed to work with the CTC EcoZenith i250L. The following applies when installing the CTC EcoAir 520M with the CTC EcoZenith i250 H/L: • Powered separately. The products are switched on separately. Control cabling only between the products. • CTC circulation pump item no. 586988301 (7.5m HP) can be added to handle flow requirements with normal installation.
Installation CTC EcoAir 520M Inverter_Inverter_In 15.1 Menu functions unique to the CTC EcoAir 520M The following menu functions are unique to heat pumps that use inverter technology. (CTC EcoAir 520M) 15.1.1 Operation data heat pump Compressor On/Off/65 rps This shows whether or not the heat pump is operating as well as showing the compressor speed (rps). Heat pump Compressor Charge pump Fan HP in/out °C On 65 rps On 47% On 35.5 / 42.3 Current L1 4.
Installation CTC EcoAir 520M 15.1.2 Heat pump Settings Compressor Permitted/Blocked The product is supplied with a blocked compressor. When the compressor is blocked, the product operates like an electric boiler. All other functions are intact. Compressor Charge pump Fan HP in/out °C On 65 rps On 47% On 35.5 / 42.3 Current L1 4.
Cold temp limit Max RPS Warm temp limit Max RPS warm temp Installation >> 15.1.3 Heat pump Settings continued Max. rps on noise reduction 50 Max. rps on noise limitation. The compressor’s maximum speed when noise limitation is active. NB: You should note that the maximum output of the heat pump will fall and the need to add heat may increase. Noise reduction 0 90 20 50 CTC EcoAir 520M Försla Settings Heat pump << Max RPS silent mode Silent mode HS<>DHW time (sek) Charge pump Auto adj.
Installation CTC EcoAir 520M 15.1.4 Set Schedule Noise reduction Noise reduction On/Off Shows whether noise reduction is active (ON) or not (OFF) Max RPS silent mode Silent mode << HS<>DHW time (sek) Max RPS silent mode Charge pump Silent mode Auto adj. charge pump HS<>DHW time (sek) Charge pump Auto adj. charge pump 50 120 50 120 50 Försla Set. Silent mode Silent mode Off Monday 00-06 Set.
Installation 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. The EcoZenith i250 can also be started without a room sensor being fitted as the curve which has been set then regulates the heating. Deselect the room sensor in the Settings menu. The sensor can however always be fitted for the alarm LED function.
Installation First start Switch on the power using the safety switch. The display comes on. CTC EcoZenith i250 now asks the following: 1. Select language and press OK 2. Confirm that the system is filled with water and press OK. Press next. 3. Size of main fuse Choose between 10 and 35 A. 4. Enter the supply voltage 3x400 (1x230/3x230 apply only to export variants) 5. Specify the maximum electric heater power. Choose between 0.0 and 9.0 kW in different steps.
Försäkran om överensstämmelse Déclaration de conformité Declaration of conformity Declaration of Conformity Konformitätserklärung Enertech AB Box 313 S-341 26 LJUNGBY försäkrar under eget ansvar att produkten confirme 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 som omfattas av denna försäkran är i överensstämmelse med följande
161 421 50 10-01 Enertech AB. P.O Box 309 SE-341 26 Ljungby Sweden. www.ctc.se, www.ctc-heating.
