Regulus IR 14 CTC Instruction Manual
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Regulus IR 14 CTC Instruction Manual

Ir 14 heating controller
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Instruction Manual
IR 14 Heating Controller
V.: IR14 CTC
Valid for FW 1.0.5.0
IR 14 CTC

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Summary of Contents for Regulus IR 14 CTC

  • Page 1 Instruction Manual IR 14 Heating Controller V.: IR14 CTC Valid for FW 1.0.5.0 IR 14 CTC...

  • Page 2: Table Of Contents

      Technical Description of IR 14 Heating Controller  ...................  3     How to operate IR 14 Controller ....................  3     1.1. Basic User Menu .......................... 4     User Menu ..........................  1 1     2.1. Heating Zones  .......................... 11     2.2. HVAC unit  ............................ 12     2.3. Time programs  .......................... 13     2.4. OTC curves ............................ 13  ...

  • Page 3: Technical Description Of Ir 14 Heating Controller

    Technical Description of IR 14 Heating Controller Variant IR14 CTC IR 14 Heating Controller (var. IR14 CTC) is a controller of heating systems with a CTC heat pump and a solar thermal system. The controller can handle up to 6 heating zones with a mixing valve, DHW heating by a heat pump, DHW heating by a switched heat source, it can also control auxiliary heat sources (electric or gas-fired boilers) and a HRV unit.

  • Page 4: Basic User Menu

    The keys ,  are used to browse in the menu. In order to edit a parameter, press ENTER and a cursor appears on the parameter. The values of numeric parameters can be increased/decreased by pressing  /  keys. Selection parameters (e.g. ON/OFF) are chosen by pressing keys , .
  • Page 5 4 – current and desired heating water temperature for the zone Possible operating states indicated on the service display and their equivalent in the controller web interface are shown below: Displayed on the service display Displayed on the web interface off by service DISABLED BY SERVICE off by user...
  • Page 6 3 – ON = solar pump running 4 – marking of the currently heated DHW storage tank 5 – DHW storage tank 1, current temp (desired in solar heating) 6 – DHW storage tank 2, current temp (desired in solar heating) 7–...
  • Page 7 Heat Pump, cascade display: 1 – state of heat pump No.1, No. 2, No. 3 In this section, heat pump states are shown that are enabled on the Service level. The states can be following: OFF - service : heat pump is turned off by a heating engineer OFF - user : heat pump is turned off on the User level : heat pump is in alarm mode, alarm details are shown on the User...
  • Page 8 rebooting : heat pump is blocked by min. time between 2 compressor stars heating : heat pump is heating your home RC blocking : heat pump is blocked by Ripple control vol.flow control : heat pump’s circulation pump is running ready : heat pump is ready to start heating as soon as there is call for heat Display of auxiliary heat source and thermal store:...
  • Page 9 Controller in factory setting: If the display shows the text above with warning about the controller being reset to default settings, it is necessary to contact a service provider who shall set the respective controller parameters.
  • Page 10 Selection of the desired setting (menu): While in MENU, use arrow keys ,  to select the desired setting: Settings < for user > – user setting of zones, DHW heating and other parameters. Settings < add.modules > - display of basic information on additional modules, if present. Settings <...

  • Page 11: User Menu

    User Menu The keys ,  enable browsing in the User Menu, and the selected item can be entered by pressing ENTER. 2.1. Heating Zones Heating Zone basic settings T comfort (°C) .... Setting comfort temperature in zone (desired room temperature). T setback (°C) ....

  • Page 12: Hvac Unit

    2.2. HVAC unit HVAC Zone basic settings comfort (%) ....HRV unit power settings during a "comfort“ mode from 15 to 100%. setback (%) ....HRV unit power settings during a "setback“ mode from 15 to 100%. During a day, the controller switches the desired HVAC unit power by the preset time schedule (adjustable from the web interface only).

  • Page 13: Time Programs

    2.3. Time programs Time programs can be set either for separate days, or in blocks Mo-Fr and Sa-Su. When the program is being set for separate days, there are 2 transitions from Comfort to Setback and 2 from Setback to Comfort for each day. When the program is being set in blocks, there are similarly 2 transitions for the blocks Mo-Fr and Sa-Su.

  • Page 14: Heat Pump Errors

    2.6. Heat pump errors In this menu all heat pump errors can be reset (by changing the option Reset all errors to Yes). By pressing the down arrow, the HP error log can be browsed. 1 – error serial number (1 – 10) 2 –...

  • Page 15: Setting Temperatures For Thermal Store

    Anti-Legionella function Anti-Legionella function is designed for thermal “disinfection” of hot water storage tanks, primarily against Legionella bacteria. When this function is ON, the hot water storage tank heats up to at least 65°C once in a week, at a preset time on a preset day. Heating is switched off either when this temperature is reached, or after two hours from switching this function on, disregarded of the temperature.

  • Page 16: Operating Data

    2.13. Operating data All temperatures, pressure, most important heat pump temperatures and states and controller output values are displayed here for the user. An E letter at the end of the temperature sensor line means that the given temperature sensor is outside its permitted working range and it is necessary to check this sensor and its connection and correct the fault.

  • Page 17: Regulusroute - Parameters Of Connection With The Service

    2.16. RegulusRoute - parameters of connection with the service RegulusRoute service enables remote access to the Controller avoiding the need to use a public IP address. If you wish to have this service configured, kindly contact Regulus. RegulusRoute .... displays whether the service is on.

  • Page 18: Additional Modules

    Additional modules In the basic menu, when add.modules are selected, user information on additional modules (if present) can be viewed. Fire Module Temperature (°C) ..Fireplace flow temperature. Damper (%) ....Display of how opened is the damper of the air supply to the fireplace. DHW pump ....

  • Page 19: Web Interface

    Web interface The controller involves an integrated website showing a heating system overview and user settings. For its website access, the controller shall be connected to a LAN or directly to a PC using a network cable. The parameters for the network connection (IP address, gateway address and subnet mask) can be found in the controller information by pressing the DISP key.

  • Page 20: Home Screen

    4.1. Home screen The home screen contains basic information about the two heating zones, DHW heating, recirculation and Heat Recovery Ventilation zone. Service-enabled zones are highlighted in colour and can be controlled. Service-deactivated zones are only shown and cannot be controlled.
  • Page 21 The home page displayed in a computer browser The home page displayed in the IR Client mobile app...
  • Page 22 Tiles for space and DHW heating The ON/OFF button is Clicking on this button will open used to turn the zone on the detailed zone settings. or off on user level. Sun-Moon (comfort- setback). The snow- flake indicates active cooling. Information about the current zone mode.

  • Page 23: Display Of The Diagram (Diagram)

    4.2. Display of the Diagram (DIAGRAM) Schematic representation of your hydraulic connection with a clear display of important quantities, states and information. The diagram should therefore always correspond to your current hydraulic connection. To get a proper presentation in the mobile application, it is necessary to rotate the device to landscape view.

  • Page 24: Heating Zone Menu (Heating)

    4.3. Heating zone menu (HEATING) The menu is used to select the settings of one of the heating zones (Zones 1 to 6), to set the thermal store heating (ThSt Zone) and holiday mode settings (Holidays), or to set the pool heating (Pool heating - if controlled by the controller).
  • Page 25 In terms of optimal heat pump operation, a maximum difference between comfort and setback temperature of 1.5°C is recommended. When the outdoor temperature drops below -2 ° C, comfort mode is automatically activated. This function is designed to save energy so that it does not switch on an auxiliary bivalent source in the event of a sudden request for a higher zone temperature.
  • Page 26 In winter mode, zone heating is switched on (the zone is heated to the required temperature according to the current comfort/setback mode). In summer mode, zone heating is switched off.
  • Page 27 OTC curves settings The purpose of weather compensating control is to reduce the heating water temperature when the outdoor temperature rises (and vice versa). This can effectively reduce overheating or underheating of dwelling space and also increase the efficiency of system operation. From the point of view of energy savings and thermal comfort in living rooms, it is more advantageous to heat the building to the required room temperature with a lower heating water temperature for a longer time than with a higher heating water temperature for a shorter time.
  • Page 28 Building overheating at temperatures above zero If a building overheats at an outdoor temperature above zero, the heating water temperature shall be reduced with the minus button. The graph shows that the heating water temperature will be adjusted mainly at temperatures above zero. Building underheating at temperatures above zero If a building underheats at an outdoor temperature above zero,...
  • Page 29 Building underheating at temperatures below zero If a building underheats at an outdoor temperature below zero, the heating water temperature shall be increased with the plus button. The graph shows that the heating water temperature will be adjusted mainly at temperatures below zero.
  • Page 30 Only passive cooling from ground boreholes is possible with CTC heat pumps. To activate the heat pump in cooling mode, it is necessary to turn on the option of cooling by the heat pump in the heat pump menu. 4.3.2. ThSt Zone Zone of thermal store heating to a preset temperature following a time program.

  • Page 31: Zone Dhw (Domestic Hot Water)

    4.4. ZONE DHW (Domestic hot water) DHW heating is divided into DHW-HP (DHW heating by a heat pump) and DHW-E (DHW heating by auxiliary heat source). If the hot water recirculation function is switched on, there is also a tile CIRCULATION. 4.4.1.

  • Page 32: Sources Menu (Sources)

    The desired temperatures from an auxiliary heat source should be set lower than the desired temperatures from the heat pump to avoid unnecessary switching of the DHW-E source. The time program setting is identical to the time program setting in zones 1 - 6. 4.4.3.
  • Page 33 4.5.1. Heat pump The heat pump can be switched on or off by the user with the ON/OFF button. Statistics Heat pump operation Current status of the heat pump, information heating by heat pump statistics - operating compressor operation (for –...
  • Page 34 4.5.2. Solar heating The solar circuit can be switched on or off with the ON/OFF button. The solar circuit allows heating of up to three solar appliances. Current temperature of solar collectors Solar pump operation information Current temperature: temperature measured by the hot water storage tank sensor.
  • Page 35 4.5.3. Fire, solid fuel boiler The heat source can be switched on or off with the ON/OFF button. Control of solid-fuel boiler pump, or possibly fireplace combustion-air damper. The Solid fuel boiler function requires an add-on module and needs to be enabled on the service level. Status of boiler pump and air supply damper - Current measured values on displayed as a percentage of air supply opening or...
  • Page 36 4.5.4. Switched auxiliary heat sources (ON/OFF Source, ON/OFF Source 2) The ON/OFF source is intended as an auxiliary source for heating or as a backup source in the event of a heat pump failure. In most cases, this source will be an electric heating element located in the thermal store or an electric boiler connected in series with the heat pump.
  • Page 37 been a fault in the heat pump. In this case, the auxiliary heat source would work as a full- fledged heating source in the event of a heat pump failure, which would lead to increased costs for both space and hot water heating. 4.5.5.
  • Page 38 4.5.6. Auxiliary source 0-10V The heat source can be switched on or off by the user with the ON/OFF button. Settings page intended for sources modulated by 0-10V voltage signal. Measured temperature at the control Status of auxiliary heat source and sensor and desired temperature for the auxiliary heat source.

  • Page 39: Menu With Other Settings (Other)

    They can only be changed if there is another SMTP server on the network that blocks the use of the default settings. In this case, the function reports an error and it is necessary to contact the Regulus service department.
  • Page 40 4.6.5. Weather forecast The weather forecast can be switched on or off with the ON/OFF button. The Weather forecast function is used to display the current weather and the forecast for the next day. Weather information is obtained from the server yr.no. After turning on the weather forecast, you must enter the state, region, and location on the settings page to refine the information.
  • Page 41 4.6.8. Ventilation unit The zone can be switched on or off by the user with the ON/OFF button. Display of the current zone status and the Display current outdoor temperature output status of the summer bypass flap. Ventilation unit. Setting the Ventilation unit output Comfort ......

  • Page 42: Menu With Access To Manuals (Manuals)

    While the function is running, it is possible to set a constant output of the ventilation unit (the unit then ignores the time program and the alternation of comfort/setback modes). Cooling function The Cooling function can be switched on or off with the ON/OFF button. In this section it is possible to enter the required cooling water temperature and set the cooling parameters.
  • Page 43 Service Guide for IR 14 Controller Variant IR14 CTC Valid for FW: 1.0.5.0     Controller Wiring  ........................ 44   1.1 List of output optional functions  .........................  4 5     Technical data for IR 14 Controller .................. 46     Technical data for OpenTherm module ................... 46     Controller installation  ...................... 47     Service menu  .......................... 49  ...

  • Page 44: Controller Wiring

    Controller Wiring Warning: Controller wiring may be performed by a qualified person only. Layman adjustments of the controller may cause damage to parts of the system.

  • Page 45: List Of Output Optional Functions

    1.1 List of output optional functions LIST OF OPTIONAL FUNCTIONS FOR OUTPUTS F2‐F6  1  On/Off source 2  2  UNI function 1  3  DHW recirculation  4  solid‐fuel boiler pump  5  zone 2 pump  6  zone 2 valve opening  7  zone 2 valve closing  8  cooling 1  9  UNI function 2  10   HP1 pump  11  SOL pump  12  2nd solar consumer valve  13  3rd solar consumer valve  14  DHW heating from ThSt  15  Alarm  16     17    ...

  • Page 46: Technical Data For Ir 14 Controller

    Technical data for IR 14 Controller Power supply Voltage ............. 24 V DC ± 5% Power consumption .......... max. 10 W Installation ............power distribution box, DIN rail (9 modules) IP rating ............IP 20 Working temperatures ........-20 to +55 °C Relative humidity ..........

  • Page 47: Controller Installation

    Controller installation The Controller is designed to be installed on DIN rail in a power distribution box. It may be installed by a properly qualified person only!! The Controller and power supply unit shall be installed next to each other (see wiring fig.). The recommended min.
  • Page 48 translation of terms used in wiring diagrams: Jistič fáze MAR = Circuit braker for the IR14 controller, Module = Module, Zdroj = Power supply, Tepelné čerpadlo = Heat pump, Oběhové čerpadlo = Circulation pump of the heat pump, Kotel s opentherm = Boiler with opentherm Boiler wiring diagram with OpenTherm communication The address switch of the OT module shall be set to pos.

  • Page 49: Service Menu

    Service menu Warning: Service menu is intended for a specialist only. Layman adjustments of parameters in the Service menu may lead to damage to parts of the heating and solar thermal system. In the Basic menu, the Service option shall be selected in order to enter this section, and confirmed by ENTER.

  • Page 50: Settings For Zones 1 And 2

    5.1. Settings for Zones 1 and 2 zone (on/off) ....Service switch on / off the zone. When a zone is switched off on service level, there is no zone frost protection function. max.t to zone (°C) ..Setting max. heating water temperature into a zone. The desired temperature calculated by Controller will not exceed this set value.

  • Page 51: Settings For Heat Recovery Ventilation (Hvac) Unit

    temp. drop (°C) ..Projected temperature drop of heating system (based on the heating system design). It shall be entered in the following order: heating water temperature / heating return temperature. Calculation temps. indoor (°C) ........Indoor calculation temperature of heating system; it varies based on the purpose of the building/room to be heated (for majority of applications it is recommended to leave this temperature at 20 °C).

  • Page 52: Floor Drying Program

    5.3. Floor drying program This function has its own manual. 5.4. Settings for solar thermal heating A solar thermal system may work with one or two hot water storage tanks. Heating the tanks is controlled by so called Oscillating storage tank loading, when the Controller tries to heat up tank No.
  • Page 53 set in parameter t. increase, the Controller keeps idling. This repeats until the consumer switch-on difference is reached. If this condition is not reached, the tank of lower priority is loaded, supposed the condition of switching difference is met – cf. more details in the description of Oscillating loading function.
  • Page 54 Critical collector temperature If the temperature set in parameter crit. t. is exceeded on a solar collector, solar pump is blocked. This function protects other solar component from destruction by too hot solar fluid. crit. t. (°C) ....Solar collector critical temperature. Solar consumer no.

  • Page 55: Heat Pump Settings

    5.5. Heat pump settings The Controller can manage a cascade of max. 10 heat pumps. After switching on or off one or more heat pumps and returning to user mode it is advisable to reset the Controller by disconnecting it from power supply. It is necessary to wait a couple seconds between de-energizing and energizing the Controller again.
  • Page 56 delay of next HP in series (min) ........If more heat pumps in a cascade are used, each further heat pump is switched on with this delay. zone pumps off at DHW (yes / no) ........If the heat pump runs in DHW heating mode, zone circulation pumps are blocked.

  • Page 57: Heat Pump 1 Operating Data

    the flow temperature exceeds a certain value, established by the manufacturer depending on the heat pump type (see the heat pump service manual). Max.return t. (°C) ..Max. heat pump return temperature. When this temperature is exceeded, the heat pump is switched off. The heat pump will also switch off when the return temperature exceeds a certain value, established by the manufacturer depending on the heat pump type (see the heat pump service manual).

  • Page 58: Hp Blocking

    Suction t. (°C) ..... HP compressor intake temp. Superheat (°C) ... Superheat at HP compressor suction Evap.press. (bar) ..HP Evaporation pressure EEV opened (%) ..HP EEV opened in % HP SW ver. (-) ..... HP SW ver. SW EEV ver. (-) ..HP EEV electronics ver. 5.7.

  • Page 59: Settings For An Auxiliary Source With Opentherm

    free input to IR or inputs from the add-on digital input module (if present). Control sensors (sensor list) ........Control sensors to switch on/off an auxiliary source. 5.9. Settings for an auxiliary source with OpenTherm source (active/off) ..Switching on an auxiliary source on service level. DHWE heating (yes/no) ........

  • Page 60: Settings For A Modulated (0-10V) Heat Source

    5.10. Settings for a modulated (0-10V) heat source source (yes/no) ..Switching on a 0-10V signal controlled heat source on service level. output (power/temp.) ........Setting the type of output signal. With power selected, the 0-10V signal is in direct relationship to the desired source output (in the range adjustable on the respective adjustment page).

  • Page 61: Settings For Thermal Store Heating

    sensor input to IR or inputs from the add-on digital input module (if present). External blocking input (sensor list) ........Setting the terminal to which an input used for blocking the DHW-E heating externally will be connected. It is possible to select any free input to IR or inputs from the add-on digital input module (if present).

  • Page 62: Fireplace

    state (active / off) ..Turning frost protection on/off. out. temp. (°C) .... Setting outdoor temperature limit below which Frost protection is activated. water temp. (°C) ..Heating water temperature kept in a zone when Frost protection is active. Critical Thermal Store temperature If the temperature in thermal store exceeds the set critical temperature, cooling will start with heating into all zones switched on in service menu, i.e.

  • Page 63: Uni Function, Uni Function 2

    DHW sens. for DHWpump (sensor list)… Selecting a sensor in hot water storage tank for differential function to start DHW pump. ThS sens. for DHWpump (sensor list)…… Selecting a sensor in thermal store for differential function to start DHW pump. 5.17.
  • Page 64 and will be switched off again if the temperature reaches demand (+ switch-off difference). Call for heat from Thermostat 1 (2) (on/off) ........Switch-off temperature for Thermostat 1 (2) will be taken over as the desired temperature for heat sources. Valid only if Thermostat 1 (2) is set in “heating”...

  • Page 65: Addresses Of Cib Modules

    Optionally, Thermostat 1 is set to prevent unwanted cooling of the thermal store (source) and mandatory Thermostat 2 to set the required temperature and hysteresis of the pool heating (consumer). In the case of free outputs (at terminal block F), this function can also be used without using the UNI module.

  • Page 66: Regulusroute

    5.20. RegulusRoute RegulusRoute service enables remote access to the Controller avoiding the need to use a public IP address. If you wish to have this service configured, kindly contact Regulus. RegulusRoute (yes/no) ........Enabling RegulusRoute service. Status ......RegulusRoute service state.

  • Page 67: Service Web Interface Of The Controller

    6. Service web interface of the Controller Both the Controller and the computer should be connected to the same server (router) within the same network. If the Controller is not connected to the network, it is possible to connect the Controller to the computer using a LAN cable. You can use the instructions in point 8 of this manual to set up your computer's network adapter correctly.

  • Page 68: Room Units, Thermostat

    Room units, thermostat A room sensor, an RC25 room unit, a pair of room units can be connected to each heating zone. It is possible to choose the control of the zone by a room sensor or a unit from any other zone from the web interface of the Controller.
  • Page 69 Thermostat A simple thermostat with a potential-free contact can be connected to the Controller. Zone 1 ......Any free terminal C2 to C9. The appropriate terminal must then be selected in the input management. Zones 2 to 6 ....Add-on modules. Wireless WiFi room sensor First select the power supply method in the sensor (either from the battery "BAT"...

  • Page 70: Procedure For Direct Connection Of Pc With Controller

    8. Procedure for direct connection of PC with Controller 1. Determine the static IP address of the Controller The Ethernet (network) cable shall be disconnected from the Controller. Press the DISP key on the Controller, scroll using the down arrow until the parameters of ETH2 channel appear on the display.
  • Page 71 Select the Use the following IP address option and enter the IP address manually in the appropriate box. If you already use the "Use the following IP address" option, make a note of the values to return to the original settings before changing the settings. The IP address must match the IP address found from the controller in the first three triple digits and must be different in the fourth triple digits.
  • Page 72 COMMISSIONED BY: Company: ……………………………….. Date: …………………….. Rubber stamp print, signature of the technician: FW 1.0.5.0 v1.0-03/2022 ©2022 We reserve the right to errors, changes and improvements without prior notice updated 03.03.2022 REGULUS spol. s r.o. E-mail: sales@regulus.eu Web: www.regulus.eu...

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