Centrometal CM2K Technical Instructions
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Centrometal CM2K Technical Instructions

Centrometal CM2K Technical Instructions

Module for mixing circuits / dhw / recirculation
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Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: +385 40 372 600, fax: +385 40 372 611
ENG
for installation and using the additional equipment
CM2K module for
mixing circuits / DHW / Recirculation
for connection to: PelTec II Lambda, ZVB II, PelTec-Compact,
BIO-SC, PelTec, Cm Pelet-set Touch, BioTec-L, BioTec Plus,
EKO-CKS P Unit, EKO-CKS Multi Plus
TU-CM2K-06-1-2024-ENG
H E A T I N G T E C H N I Q U E
H E A T I N G T E C H N I Q U E
Technical instructions
READY
CM2K

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Summary of Contents for Centrometal CM2K

  • Page 1 H E A T I N G T E C H N I Q U E H E A T I N G T E C H N I Q U E Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: +385 40 372 600, fax: +385 40 372 611 Technical instructions...

  • Page 2: Table Of Contents

    Thank you for purchasing our product Please read these technical instructions carefully so that you can use and adjust the CM2K module as easily as possible. After reading the instructions, place them in an appropriate place where you can easily find them if you need further information about the operation and use of the CM2K module.

  • Page 3: Cm2K Technical Characteristics

    OUTPUTS: - 2x standard (230V) - pump - 2x standard (230V) - actuator - 2x UTP connector for connecting to the boiler and connection more CM2K modules or other additional equipment (WiFi box...) DELIVERY in cardboard box: 1x CM2K module 2x NTC5K (main flow sensor / DHW sensor)

  • Page 4: Cm2K Delivery Content

    Room corrector CSK and digital room corrector CSK-Touch are NOT in delivery package. With CM2K module is possible to use only CSK room corrector or digital room corrector CSK-Touch from producer Centrometal. Maximum of two room correctors can be connected, one for each circuit.

  • Page 5: Connection To The Boiler

    Two UTP connectors on the Lambda - board have the same function and are used to connect to the UniDrive PCB or to the additional equipment. NOTE FOR CM2K: Two UTP connectors on the CM2K module have the same function and are used to connect to the boiler (Lambda - board) or to the additional equipment. Boiler type: PelTec-Compact...
  • Page 6 Connection to the boiler Boiler type:PelTec CM2K S9 S10 S11 BUS RJ45 NOTE: both UTP connectors in CM2K have same function and are used for connection to the boiler or connection of other additional equipment Boiler type: BioTec-L CM2K BUS RJ45...
  • Page 7 BUS RJ45 NOTE: in EKO-CKS P Unit boilers, additional equipment (CM2K included) must be connected to free UTP connector on the regulation box or any free UTP connector on the any PCB in the regulation box (installed PCBs depends of the...

  • Page 8: Connecting More Cm2K Modules

    If there are more than 1 CM2K installed, in every module is necessary to set device address (0-4). Address is set by SW switches on the PCB of the module (below casing cover of the connection clamps). Order of connection is not important, circuit number is defined by module address with SW switches (every module must have different address, i.e.

  • Page 9: Connection To The Other Devices

    Connection is done with UTP cables. Every additional equipment device has 2 UTP connectors. Both UTP connector have same function. Devices can be connected in any order. Example of connection: CM2K CM-GSM CMNET (vacuum pellet delivery) Boiler CM2K Cm WiFi-box Boiler Additional equipment Technical instruction CM2K...

  • Page 10: Inputs And Outputs Connection

    UTP inputs/outputs Inputs/outputs for UTP cables - one input/output is for connection to the boiler UTP1 UTP2 - free input/output is used for connecting more CM2K modules or other addititonal BUS RJ45 equipment Circuit 1 inputs Circuit 1 inputs - A.COR 1- room corrector Tsp 1 A.COR 1...

  • Page 11: Led Indicators

    (UTP, power supply, sensors pumps, actuators, correctors) - status - indicates CM2K status; connection with the boiler is ok, boiler is connected to the power supply and main switch is on - doesn’t mean that CM2K is connected to the power supply (230V) - for pumps and actuators working CM2K power supply (230V) must be connected - pump - indicates working of the pump (LED ON = pump works / LED OFF = pump doesn’t work)

  • Page 12: Configurations

    Boiler configuration must be set in the Installation menu (under PIN) (only authorised technician can use it). PelTec II Lambda / ZVB II / BIO-SC / PelTec - CM2K can be enabled only in configurations (schemes) that have accumulation (buffer) tank or hydraulic crossover.
  • Page 13 Configurations Example of configuration (scheme) selecting: PelTec X X X X Technical instruction CM2K...

  • Page 14: Selecting The Number Of Cm2K Modules

    They depend of the configuration, firmware version and setting of the regulation. CM2K can only be enabled on by an authorized service technician in the Installation menu (PIN). CM2K regulator is activated when the number of CM2K modules is selected (every module can control 2 circuits).
  • Page 15 Example of CM2K module selection: BioTec-L (2xCM2K - 4 circuits) X X X X CM2K selected Example of CM2K module selection: Cm Pelet-set Touch (1xCM2K - 2 circuits) X X X X CM2K selected Example of CM2K module selection: BioTec Plus (1xCM2K - 2 circuits)
  • Page 16 Enabling CM2K Example of CM2K module selection: EKO-CKS P Unit (1xCM2K - 2 circuits) X X X X CM2K selected Example of CM2K module selection: EKO-CKS Multi Plus (1xCM2K - 2 circuits) X X X X CM2K selected Technical instruction CM2K...

  • Page 17: Cm2K Circuits Configuring

    5.0. CM2K CIRCUITS CONFIGURING After selecting the number of CM2K module, it is necessary to configure the CM2K circuits, i.e. select the heating type for each circuit (configured by an authorized service technician in the Installation menu (PIN)). After that, submenus of Heating circuits (CX) Circ Y will appear in the main menu under "Heating circuits"...

  • Page 18: Manual Test

    (Open! "OFF") and then turn on the closing of the valve (Close! "ON") and turn off the closing of the valve ( Close! ''OFF''). When the option is turned on, the pump symbol will rotate on the screen or an arrow will be displayed. Technical instruction CM2K...

  • Page 19: Peltec / Cm Pelet-Set Touch / Biotec-L / Biotec Plus / Eko-Cks P Unit/Eko-Cks Multi Plus

    - by pressing the button STOP, pump or valve actuator opening/closing is stoped and this button becomes START - with this options, demand for work of output/connected device is manually started, but is neccesary to check if outputs is actualy activated and device is actualy working. Technical instruction CM2K...

  • Page 20: Cm2K View

    7.0. CM2K VIEW On the boiler screen, it is possible to monitor the operation of the activated and adjusted (set) options of the CM2K module (type of circuit: Radiators / Floor heating / Constant temperature / DHW / Recirculation / DHW+Recirculation; set temperature, measured temperature, pump operation, actuator operation, switching time (schedule), operating regime...).
  • Page 21 CM2K view, PelTec II Lambda / PelTec-Compact / BIO-SC / ZVB II CM2K heating circuit C4 - DHC - Room corrector - Activated schedule of the Day/Night temperature Boiler heating circuit K2 CM2K heating circuit C5 - DHW CM2K heating circuit C6 - DHW+REC...

  • Page 22: Symbols On The "Heating Screen

    10b - Symbol of radiator heating 10c - Symbol of constant temperature 11 - Heating circuit symbol ((K1, (K2) - boiler heating circuits), (C1...C8 - CM2K heating circuits)) and custom selected heating circuit name 12 - Shortcut button - 3-way mixing valve with pump, main flow set temperature and measured temperature 13 - Room corrector (CSK) with 2 wires 14 - Button for setting the main flow temperature (setting/changing the temperature is possible if the Button for...

  • Page 23: Peltec / Cm Pelet-Set Touch / Biotec-L / Biotec Plus / Eko-Cks P Unit/Eko-Cks Multi Plus

    To access CM2K options view press button on main screen (there will be new window with CM2K view or tools menu with additional button for CM2K view and other additional equipment buttons). To go back to main menu press button or to cycle between views press .

  • Page 24: Circuit Types

    CM2K view, PelTec/Cm Pelet-set Touch/BioTec-L/BioTec Plus/EKO-CKS P Unit/EKO-CKS Multi Plus Example: EKO-CKS Multi Plus 7.2.2. CIRCUIT TYPES Circuit 2 - Floor heating room corrector night mode Circuit 1 - Radiator heating room corrector day mode Circuit 4 - DHW Circuit 3 - Constant temp.

  • Page 25: Cm2K View Examples

    CM2K view, PelTec/Cm Pelet-set Touch/BioTec-L/BioTec Plus/EKO-CKS P Unit/EKO-CKS Multi Plus 7.2.3. CM2K VIEW EXAMPLES 1. circuit - radiator heating / room corrector / day mode (with schedule) 2. circuit - floor heating / room corrector / night mode 7 16 8...

  • Page 26: Setting Cm2K Module

    Setting CM2K module 8.0. SETTING CM2K MODULE Initial settings of operating parameters for CM2K module must be performed by an authorized service technician because module activation (enabling) and certain setting parameters are under Installation menu (PIN). NOTE: next to each parameter it will be marked whether it can be changed by the service technician and the user...

  • Page 27: Peltec / Cm Pelet-Set Touch / Biotec-L / Biotec Plus / Eko-Cks P Unit/Eko-Cks Multi Plus

    8.2. PelTec / Cm Pelet-set Touch / BioTec-L / BioTec Plus / EKO-CKS P Unit/ EKO-CKS Multi Plus After enabling the CM2K module in main menu new icon (menu) Regulation/CM2K will appear. Under this menu user can adjust certain parameters of heating circuits.

  • Page 28: Description And Values Of The Parameters By Heating Circuit Type

    OFF/ON via the corrector. The corrector is connected to pins 1, 2 and 3. CSK (2 wires): aif there are only 2 wires for connection the corrector CSK (Centrometal), the corrector only gives information about the room temperature, the set room temperature cannot be corrected via the corrector, the heating circuit cannot be be switched ON/OFF via the corrector.
  • Page 29 Factory Possible selection Setting the outdoor temperature difference. Outdoor temperature This parameter is used to set difference on which heating pump will start 2 °C 0 - 5 °C difference again and delay time will be reset. Technical instruction CM2K...
  • Page 30 "COPY TO:", mark the day or days for which you want to have the same schedule and confirm by pressing the "CONFIRM" button. Two tables can be set, but only one can be active. "CONFIRM" button (yellow) Day room temperature Night room temperature Technical instruction CM2K...
  • Page 31 Note: If the "CSK" room corrector (additiona equipment) is connected to the CM2K module, the "Transition time" parameter is not used ( it is not functional). dT pump Off (S) Setting the room corrector difference.

  • Page 32: Radiators / Floor

    Setting the constant temperature of the circuit's main flow for the night Night constant operation mode. This parameter determines the desired temperature of the 40 °C 20 - 90 °C temperature main flow for the night operation mode. Technical instruction CM2K...

  • Page 33: Dhc

    5 min 0 - 1440 min Setting the recirculation pump stop time when recirculation is active. Off Factory Possible selection Recirculation schedule (S/K) The possibility of activating and deactivating recirculation switching times.. Recirculation ON / OFF schedule Technical instruction CM2K...
  • Page 34 Under "COPY TO:", mark the day or days for which you want to have the same recirculation schedule and confirm by pressing the "CONFIRM" button. "CONFIRM" button Recirculation operation Recirculation operation (yellow) enabled disabled Technical instruction CM2K...

  • Page 35: Peltec / Cm Pelet-Set Touch / Biotec-L /Biotec Plus / Eko-Cks P Unit/Eko-Cks Multi Plus

    After adjusting the circuit heating type, in main menu of heating circuit, other parameters will be shown according the set heating type. - certain parameters depends of the boiler type to which CM2K is installed and view is set according to this. Because of this, certain parameters are shown or not shown depending of the boiler type.

  • Page 36: Radiator / Floor

    Table 1/2. Factory setting setting Day/night temp. Day temp. Day temp. / Night temp. / Table 1 / Table 2 Technical instruction CM2K...
  • Page 37 This parameter is used for setting the correction coefficient of the room corrector which will be used for main flow temp. calculation. Higher value of this parameter, higher effect it will have on main flow temp. calculation. This parameter is used only if room corrector is installed. Factory setting setting Correction coeff. 0.1 - 5.0 Technical instruction CM2K...
  • Page 38 This parameter is used to set how many °C measured room temp. must be lower than set room temp. to switch on the circuit pump (only if room coreector is installed). Factory setting setting dT pump On 0.5°C 0.0. - 3.0°C Technical instruction CM2K...

  • Page 39: Constant Temperature

    Factory setting setting Transition time 3600 sec 0 - 18000 sec Note: If room corrector CSK (additional equipment) is connected to the CM2K, this parameter is not used. 9.2.2. CONSTANT TEMPERATURE X. circuit (S/K) - see page 35 Valve time...
  • Page 40 0 - 1440 min Recirculation table (S/K) Recirculation work and stop table. week day circuit number back button whole day selecting button work start time setting field work stop (buttons) whole day select copy button paste button OK (confirmation) button Technical instruction CM2K...

  • Page 41: Dhw+Recirculation

    Time On rec. (S/K) - see page 40 Time Off rec. (S/K) - see page 40 DHW schedule (S/K) - see page 39 Table 1 (S/K) - see page 37 Recirculation table (S/K) - see page 40 Technical instruction CM2K...
  • Page 42 Company assumes no responsibility for possible inaccuracies in this book originated typographical errors or rewriting, all figures and diagrams are principal and it is necessary to adjust each actual situation on the field, in any case the company reserves the right to enter their own products such modifications as considered necessary. Centrometal d.o.o. Glavna 12, 40306 Macinec, Croatia www.centrometal.hr central tel: +385 40 372 600, fax: +385 40 372 611 e-mail: servis@centrometal.hr...

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