Ideal Heating EVOMAX 2 Manual
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Ideal Heating EVOMAX 2 Manual

Iccs commercial control system
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iCCS COMMERCIAL
CONTROL SYSTEM
EVOMAX 2
When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance
specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating.
For the very latest copy of literature for specification and maintenance practices visit our website idealheating.com
where you can download the relevant information in PDF format.
02/2023
UIN 230696 A02

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Summary of Contents for Ideal Heating EVOMAX 2

  • Page 1 When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating.

  • Page 2: Table Of Contents

    CONTENTS INTRODUCTION ............... 4 3.7.11 Menu – Heating circuit – Settings - Preheat ....18 Combustion Manager ............4 3.7.12 Menu – Heating circuit – Settings – Heating limit .... 18 System Manager ............... 4 3.7.13 Menu – Heating circuit – Settings – Room temp. switch VariCAN Adapter ............... 4 diff..................18 Extension Module .............. 4 3.7.14 Menu – Heating circuit – Settings – Pump ......
  • Page 3 CONTENTS - Figures FIGURE 1 SYSTEM MANAGER INTERFACE ..............................5 FIGURE 2 VARICAN ADAPTOR DIAGRAM ..............................24 FIGURE 3 EXTENSION MODULE DIAGRAM ............................24 FIGURE 4 SYSTEM MANAGER INTERFACE ............................25 FIGURE 5 SEQUENCE CONTROL 1-16 BOILERS ..........................36 FIGURE 6 SEQUENCE CONTROL 1-16 BOILERS WITH MIXING HEADER AND SYSTEM PUMP ............36 FIGURE 7 SEQUENCE CONTROL 1-16 BOILERS WITH INDIRECT HOT WATER STORAGE TANK ...........36 FIGURE 8 SEQUENCE CONTROL 1-16 BOILERS WITH A CT PUMP CIRCUIT ..................37 FIGURE 9 SEQUENCE CONTROL 1-16 BOILERS WITH COMMON PUMP AND OPTIONAL VALVES ..........37 FIGURE 10 SEQUENCE CONTROL 1-16 BOILERS WITH LOCAL DHW DEMAND ................37 FIGURE 11 SINGLE BOILER WITH A CT PUMP CIRCUIT AND DHW TANK ...................38 FIGURE 12 SINGLE BOILER WITH 2 X CT PUMP CIRCUITS .........................38 FIGURE 13 SINGLE BOILER WITH CT AND HWS ZONE CIRCUITS ......................38 FIGURE 14 SINGLE BOILER WITH CT AND HWS ZONE CIRCUITS ......................39 FIGURE 15 SEQUENCE CONTROL 1-16 BOILERS, BOILER N ......................40 FIGURE 16 SEQUENCE CONTROL 1-16 BOILERS, BOILER N WITH CT PUMP CIRCUIT ..............40 FIGURE 17 SEQUENCE CONTROL 1-16 BOILERS, BOILER N WITH CT PUMP AND INDIRECT HWS CIRCUIT .......40 FIGURE 18 SEQUENCE CONTROL 1-16 BOILERS, BOILER N WITH 2 X CT PUMP CIRCUIT ............40 FIGURE 19 EXTENSION MODULE WITH 1 X MIXING CIRCUIT ......................41 FIGURE 20 EXTENSION MODULE WITH 2 X MIXING CIRCUITS ......................41 FIGURE 21 EXTENSION MODULE WITH 1 X MIXING CIRCUIT AND 1 X CT PUMPED CIRCUIT ............41 FIGURE 22 EXTENSION MODULE WITH 1 X MIXING CIRCUIT AND 1 X AIR HANDLER CIRCUIT .............42...

  • Page 4: Introduction

    INTRODUCTION PARTIAL HYDRAULIC CIRCUITS This document describes the iCCS which is a commercial control Refer to APPENDIX 1 on page 36. system platform that is integrated at all levels in a plant room, from the combustion manager within the boiler to the extension module at the final heating and DHW circuits. It covers the description of the system and its modules, along with the configuration, hydraulic circuits supported, interconnection wiring, data logging and fault management. The iCCS consists of: • Boiler combustion manager • System manager • VariCAN adapter • Extension module • System accessories Combustion Manager The Combustion manager is mounted in the boiler and controls the internal safety functions associated with a heat engine. It also provides information to the System manger on the status of the heat...

  • Page 5: Operating Guide

    OPERATING GUIDE BACK Figure 1 SYSTeM MANAger iNTerFACe A. Rotary Knob • Enter a menu, if in the normal operation screen, and highlight the first menu item. • Scroll up (anti-clockwise) or down (clockwise) in a menu • Change the value in parameter setting. • If an error is showing in the title bar, scroll to the associated error screen(s), and return. B. LCD Display Screen • Menu and status display. C. Burner LED • Will be on if the burner is lit. D. Select button • Enter a menu, if in the normal operation screen, and highlight the first menu item. • Enter the highlighted menu (sub menu or parameter), if in a menu or sub menu. •...

  • Page 6: Glossary

    Glossary Menu - Configuration The chevron will now be right pointing and appear on the top right hand corner, The configuration menu has the following 3.1.1 M e n u f u n c t i o n r e s o u r c e indicating that there is another status screen options, there are other options but these definitions...

  • Page 7: Menu - Configuration - General - Language

    3.4.2 Menu - Configuration - General 3.4.3 Menu – Configuration – General 3.4.5 Menu – Configuration – General - Language - Date – Access level The language menu has the following The Date screen is then displayed and each The Access level screen is then displayed options: item can be selected and changed: and each item can be selected and the default access level code can be changed: Language Date...

  • Page 8: Menu - Configuration

    3.4.6 Menu - Configuration 3.4.6.1 Fault Management 3.4.6.1.2 Backup Storage, Post Configuration The management section relates to the All menus and setting will now be available installed system tools rather than the boiler A backup of all configuration parameters in for that particular access level. There will or accessories. It allows for the ability to set a cascade to one or more nominated slave now also be the chance to reconfigure different functions within the system: up real time datalogging of system variables boilers (System managers) can be made in order to allow specific site related issues post configuration to reflect any changes Configuration...

  • Page 9: Menu - Boiler

    Menu – Boiler 3.5.2 M e n u – B o i l e r – S t a t u s - Demand Control Configuration When the menu option Demand control is The boiler menu has the following options, selected the following screen will now be there are other options but these are hidden The configuration menu has the following displayed, items that are not configured will...

  • Page 10: Menu - Boiler - Status - Configuration - Outputs

    3.5.5 M e n u – B o i l e r – S t a t u s – 3.5.6 Menu – Boiler – Status – Real Temperature sensors Configuration - Parameters time values Outside: The parameters menu has the following The Real time values menu has the following Room1: options:...

  • Page 11: Menu - Boiler - Status - Real Time Values - Inputs

    3.5.7 Menu – Boiler – Status – Real 3.5.8 Menu – Boiler – Status – Real Boiler 1 time values - Inputs time values - Sensors APS: The inputs menu has the following options: The inputs menu has the following options: Safety interlock: On Inputs Sensors Boiler 1 Boiler 1 3.5.9 Menu – Boiler – Status – Real Boiler 2 Boiler 2 time values - Outputs...

  • Page 12: Menu - Boiler - Service

    3.5.10 Menu – Boiler - Service Once this has been adjusted and confirmed 3.5.11 Menu – Boiler – Settings by the select key then the back key can be The service sub menus give you the option The settings sub menu allows adjustment of used to return to the Service variable menu: to run the boiler selected at Min, Max and boiler specific variables. Variable capacity. Service variable Settings The service menu has the following three Set capacity options: Start service var. capacity Boiler 1 Boiler 2 Service Once the boiler is selected then the service...

  • Page 13: Boiler Pump Operating Mode

    Menu – Plant 3.5.12 Boiler Pump Operating Mode 3.5.16 Menu – Boiler – Faults The boiler pump can be controlled in one The fault history, summary and detail, of each The plant menu has the following options, for two ways. boiler in the cascade can be interrogated, there are other options but these are hidden this can also be reset: Capacity control means that the pump speed from the User/Installer: follows the burner capacity proportionally between Faults...

  • Page 14: Menu - Plant - Status - Real Time Values - Demand Inputs

    3.6.3 Menu – Plant – Status – Real time 3.6.6 Menu – Plant – Operating mode 3.6.7 Menu – Plant – Settings values – Demand inputs The plant operating mode can be set. This The plant settings can be adjusted. The controls the operation of the complete options are: Once inputs is selected, then the following system, all boilers, all HCs and all DHW...
  • Page 15 3.6.7.1 Menu – Plant – Settings – Plant 3.6.7.4 Menu - Plant - Settings - PIDs 3.6.7.6 Menu - Plant - Settings - Boiler setp. SL1 Pump Configuration The plant flow temperature set point for the The boiler pump function can have the PIDs SL1 input can be adjusted: following plant related parameters adjusted: Configuration Plant setp.

  • Page 16: Menu - Heating Circuits

    Menu – Heating circuits 3.7.1 Menu – Heating circuits - Status 3.7.4 Menu – Heating circuits – Status – Real time values – Demand inputs The status sub menu give you access to see The heating circuits menu has the following the current real time values of the heating options, there are other options but these Once inputs is selected the screen will show circuits. the configured list of heating circuits: are hidden from the User/Installer: The status menu has the following options: Heating circuits Demand inputs Status...

  • Page 17: Outputs

    3.7.6 Menu – Heating Circuits – Status 3.7.8 Menu – Heating circuit – Room Each selected flow temperature set point can be adjusted and then set, the adjustment – Real time Values – Outputs temperature screen is left by pressing the back button: Once outputs is selected the screen will Each heating circuit target room temperature show the configured list of heating circuits: can be set for different operating modes for Flow temp day the selected Heating circuit.

  • Page 18: Menu - Heating Circuit - Settings - Preheat

    3.7.11 Menu – Heating circuit – Settings 3.7.13 Menu – Heating circuit – Settings 3.7.15 Menu - Heating Circuit - - Preheat – Room temp. switch diff. Settings - Heating Curve This controls the preheat compensation for a This sets the switching differential for the The heating curve parameters can be given heating circuit, if enabled this will bring Heating Ciruit room sensor. The value adjusted to suit the applicaiton if required.
  • Page 19 Menu – DHW 3.7.16 Menu – Heating Circuit – 3.8.3 Menu – DHW – Status – Real Settings – Frost protection time values Heating circuit frost protection operation can The Real time values menu has the following be triggered by a number of measured real options: Status time values: Operating mode Real time values Tank temperature Frost protection Demand inputs...

  • Page 20: Menu - Dhw - Status - Real Time Values - Sensors

    3.8.5 Menu – DHW – Status – Real time 3.8.7 Menu – DHW – Operating Mode 3.8.9 Menu – DHW – Settings values – Sensors Each Domestic Hot Water circuit operating Each Domestic Hot Water circuit has a mode can be set. This controls the operation number of settings that can be adjusted for Once sensors is selected the screen will of the selected Domestic Hot Water circuit.

  • Page 21: Menu - Dhw - Settings - Pump

    3.8.11 Menu – DHW – Settings – Pump 3.8.12 Menu – DHW – Settings – 3.8.13 Menu – DHW – Settings – Frost Legionella protection The primary pump for each individual Domestic Hot Water circuit has a number of Two modes of operation of the function for Frost protection settings. Some relate to speed if configured Anti-legionella exist in the system. They can for control by a 0-10V output. be selected and the parameters adjusted.
  • Page 22 Menu – Cascade manager Timed - The sequence changeover is 3.9.6 Menu – Cascade manager – determined by operating time period. The Settings – Boiler modulation The cascade manager menu has the period can be adjusted in the Settings following sub menus: Boiler modulation controls the switching menu. capacity set points in the cascade. Each Cascade manager boiler in cascade can be switched on at the Operating mode earliest or latest modulation capacity set Status...

  • Page 23: Menu - Cascade Manager - Settings - Hours Run

    3.9.11 Menu – Cascade manager - Settings - Hours run The sequence changeover will occur after the number of burner hours hav been completed by the current lead boiler. It can be set in multiples of 10 hours as shown below. Select Done to confirm the change. Hours run 100hours Done 3.9.12 Menu – Cascade manager – Settings - Timed The sequence changeover will occur after the Timed period has been completed. It can...

  • Page 24: Installation

    INSTALLATION Electrical Connections Figure 2 VAriCAN ADAPTOr DiAgrAM Figure 3 eXTeNSiON MODuLe DiAgrAM...

  • Page 25: Configuration

    CONFIGURATION System Manager Interface BACK Figure 4 SYSTeM MANAger iNTerFACe A. Rotary Knob • Enter a menu, if in the normal operation screen, and highlight the first menu item. • Scroll up (anti-clockwise) or down (clockwise) in a menu • Change the value in parameter setting. • If an error is showing in the title bar, scroll to the associated error screen(s), and return. B. LCD Display Screen • Menu and status display. C. Burner LED • Will be on if the burner is lit. D. Select button • Enter a menu, if in the normal operation screen, and highlight the first menu item. •...

  • Page 26: Cascade Configuration

    Cascade Configuration On the Master boiler, set the date fields, This is an example where there are two followed by “Done”. boilers in the Cascade, each Slave boiler will Once the VariCAN adapters have been be listed from Boiler 02 onwards, Boiler 01 is installed and connected into each boiler Date always the Master, and the configuration of in the cascade then the cascade can be Year: 2019 Slave boilers will be different to the Master...
  • Page 27 Upon completion the following screen will number to the DHW Circuits that you wish Then the following status screen will be be displayed showing all available Heating to use and configure, for example, in line shown, this screen shows the boiler status Circuits in relation to all boilers: with the above example, a single HC on the for a Master boiler in a cascade, a second Master boiler and Two HCs on the Slave status screen exists and can be accessed Set HC number boiler with a single DHW circuit on the...

  • Page 28: Plant Configuration

    Plant Configuration If the boiler cascade has a common pump If the boiler cascade has a common pump that circulates water through all the boilers that circulates water through either the boiler Configure plant? in the Cascade the select the output of cascade or cascade header and supplies the Master boiler that controls this pump. the heating load then select the output of Otherwise select ‘None’. the Master boiler that controls this pump. Otherwise select ‘None’.
  • Page 29 The plant may be controlled in a number Once 0-10V control is selected a number Select Loc’n of shunt pump? of ways: of parameters must be defined. The default MFR2 () settings are as shown below but these can 1. 0-10V analogue input MFR3 () be hanged if required. To configure the 2. 230V 50Hz switched live input via a ‘Volts MFR4 () parameters select ‘Yes’, to accept the current Free’ contact default settings select ‘No’.
  • Page 30 NOTE: The next section can only be selected 0-10V Ext. heat source control settings. OpenTherm in software revisions from 443.207.000 and If the 0-10V output is selected to control the This bus signal can both control and monitor the above. demand to the External heat source, then the status of the cascade via the Master boiler. It Plant – SL2 230V External heat source following parameters must be set. has a number of modes of operation: availability and control configuration The voltage threshold to turn on the External On/Off demand The Master boiler can control an External heat source. Temperature setpoint demand heat source to provide heat into the cascade. Capacity setpoint demand In order to do this, it requires an input signal If no OpenTherm control of the cascade is to inform it as to when the External heat...

  • Page 31: Boiler Configuration

    Boiler Configuration The next boiler configuration step is the Boiler Fault indication output. Once again The next stage is to configure each of the any of the programmable outputs may be boilers in the cascade. This process is carried selected. Usually MFR4 is allocated. The full out from the Master boiler. The configuration screens list is omitted for simplicity. parameters for the boiler configuration are specific to that particular boiler. Boiler fault indication Select the boiler from the list which is to be configured. None PWM/0-10V () Select boiler to configure MFR1 ()

  • Page 32: Heating Circuit Configuration

    Heating Circuit Configuration Once completed the next step is to set the It can be used as a Heating Circuit enable Maximum and Minimum flow temperature signal, an Override signal, a Holiday signal If heating circuits were located and allocated for the Heating Circuit. or a Frost protection input from an external during initial setup then they will now appear ‘Volts Free’ contact for that specific Heating here to be configured. There is a maximum Set max flow temp Circuit. If this input is already configured, you number of heating circuits for each boiler, will be queried, or if not required then ‘None’ 85ºC in this case two circuits identified by boiler can be selected. number and Heating Circuit number. Done Configure SL1 Select HC to configure Select the temperature and adjust to the None desired setting, confirm and then select...
  • Page 33 The next step is to configure the pump The next step is to set the initial mode protection function for this specific heating of operation for this Heating Circuit. By circuit. selecting the highlighted field the choices are shown in the following screens. Once Configure pump protection? selected then select ‘Done’.

  • Page 34: Dhw Circuit Configuration

    DHW circuit configuration Once completed the next step is to set the ‘If an OpenTherm control has been configured Maximum tank temperature for the Domestic on this boiler, then this may also control the If Domesting Hot Water circuits were located Hot Water circuit, followed by ‘Done’. Domestic Hot Water timing and Setpoint. If and allocated during initial setup then they this is not used select ‘None’. will now appear here to be configured. There Max tank temp is a maximum number of local Domestic Hot Configure OpenTherm 60ºC Water circuits for each boiler, in this case one circuit identified by boiler number and None Heating Circuit number. E.g. Boiler 1 is boiler Done Temperature demand 1 Domestic Hot Water circuit. Max tank temp Select DHW to configure Configure OpenTherm 60ºC None...
  • Page 35 If Interval is selected then the following The next allocated Domestic Hot Water The system configuration has now been screen will be shown and the interval circuit to configure can now be selected. completed. The settings relating to the Plant, between Antilegionella cycles can be set: The process above is then repeated for all Heating circuits and Domestic Hot Water Domestic Hot Water circuits in the cascade.

  • Page 36: Appendix 1 Partial Hydraulic Circuits

    APPENDIX 1 PARTIAL HYDRAULIC CIRCUITS APPENDIX 1a Boiler 1 Master Configuration Options A. KM821‐I5, System Manager and TTL‐VariCAN adapter only Boiler 1, Master configuration options Sequence control 1‐16 boilers A. KM821‐I5, System Manager and TTL‐VariCAN adapter only B1 Connections Boiler 1, Master configuration options S‐FT RT‐SC Inputs Outputs Opentherm RT‐SC Boiler run Sequence control 1‐16 boilers S‐RT‐SC Room S‐RT‐SC Boiler fault S‐OT Header S‐FT B1 Connections P1 (0‐10V) P‐B Outside S‐OT  or P2 S‐FT RT‐SC Inputs Outputs...
  • Page 37 Outside S‐OT  or P2 Tank S‐HWS P‐HWSC Ext.Timer Sequence control 1‐16 boilers with Indirect Hot Water Storage Tank TS‐HWS or Enable *SL1 is Plant control or Override Sequence control Hot Water Storage SL2 or (SL2 and T‐HWS:Opentherm DHW bit) B1 Connections TS‐HWS S‐FT RT‐SC, T‐HWS Inputs Outputs S‐HWS VariCAN Opentherm RT‐SC Boiler run B1..Bn Adapter S‐RT‐SC Room S‐RT‐SC Boiler fault P‐B P‐B Sequence control 1‐16 boilers with a CT Pump circuit S‐OT P‐HWSC Header S‐FT P1 (0‐10V) P‐B Outside S‐OT...
  • Page 38 Ext.Timer Sequence control 1‐16 boilers, with local DHW demand or Enable TS‐HWS or Override *SL1 is Plant control B1 Connections TS‐HWS Sequence control V‐DHW S‐FT RT‐SC Inputs Outputs VariCAN B1..Bn Opentherm RT‐SC Boiler run S‐HWS Adapter Room S‐RT‐SC Boiler fault S‐RT‐SC Header S‐FT P1 (0‐10V) Single Boiler with a CT Pump circuit and DHW tank P‐B Outside S‐OT  or P2 P‐B P‐B S‐OT Tank S‐HWS V‐DHW Boiler Connections Ext.Timer S‐RT‐PC RT‐PC, T‐HWS...
  • Page 39 *Opentherm or SL1 Boiler CT Pump Circuit Hot Water Storage SL2 or (SL2 and T‐HWS:Opentherm DHW bit) Single Boiler with 2 x CT Zone circuits Boiler Connections S‐RT‐CT1 RT‐PC1 S‐RT‐CT2 RT‐PC2 Inputs Outputs RT‐PC1 Boiler run Opentherm1 Opentherm2 RT‐PC2 Boiler fault S‐OT V‐CT1 V‐CT2 Room S‐RT‐PC1 P1 (0‐10V) P‐SYS Outside S‐OT  or P2 Room S‐RT‐CT2 P1 (0‐10V) V‐CT1 RT‐CT1  or P2 RT‐CT2 V‐CT2 P‐SYS *Opentherm1 or SL1, Opentherm2 or SL2 Boiler CT Pump Circuit CT Pump Circuit Figure 14 SiNgLe BOiLer WiTH CT AND HWS ZONe CirCuiTS...

  • Page 40: Appendix 1B Boiler N Slave Configuration Options

    APPENDIX 1b Boiler n Slave Configuration Options Boiler n, Slave configuration options Sequence control 1‐16 boilers, Boiler n Bn Connections Boiler n, Slave configuration options Inputs Outputs VariCAN Boiler run Sequence control 1‐16 boilers, Boiler n B1..Bn Adapter Boiler fault P1 (0‐10V) S‐OT‐MC Bn Connections Boiler n, Slave configuration options P‐B  or P2 Inputs Outputs VariCAN Boiler run Sequence control 1‐16 boilers, Boiler n B1..Bn Adapter Boiler fault P1 (0‐10V) S‐OT‐M Bn Connections P‐B Boiler n, Slave configuration options  or P2 Inputs Outputs VariCAN Boiler run...

  • Page 41: Appendix 1C Extension Module Configuration Options

    APPENDIX 1c Extension Module Configuration Options Extension Module configuration options Extension module with 1 x Mixing circuit Bn Connections Outputs RT‐MC Inputs Outputs ler run RT‐MC P‐MC er fault S‐RT‐MC S‐RT‐MC V‐MC open (0‐10V) S‐OT‐MC V‐MC S‐FT‐MC V‐MC close P‐B or P2 S‐OT‐MC1 Extension Module configuration options Ext. Timer/  Enable or  Extension module with 1 x Mixing circuit P‐MC Holiday Override Bn Connections or Pump Flt Outputs RT‐MC Inputs Outputs S‐FT‐MC VariCAN...
  • Page 42 ler run S‐FT‐MC V‐MC close or Pump Flt Ext. Timer/  er fault S‐RT‐MC S‐OT‐MC P‐PC Heating circuit, Mixing circuit 1 Heating circuit, Mixing circuit 2 VariCAN Enable or  B1..Bn..EMn (0‐10V) S‐OT‐MC V‐MC S‐OT‐PC P‐PC Ext. Timer/  Adapter P‐B Holiday Enable or  or P2 Override (0‐10V) Holiday P‐PC or Pump Flt or P2 S‐FT‐PC Override Extension module with 1 x Mixing circuit and 1 x CT Pumped circuit Bn Connections Heating circuit, Mixing CT Pump Circuit VariCAN P‐HWSC P‐MC B1..Bn..EMn or Pump Flt Inputs...
  • Page 43 Adapter Ext. Timer/  S‐OT‐HC1 AH‐HC2 Enable or  S‐OT‐HC1 P‐HC1 S‐OT‐HC2 P‐HC2 Heating circuit, Mixing Hot Water Storage Ext. Timer/  Holiday Enable or  Override Holiday or Pump Flt S‐FT‐HC1 S‐FT‐HC2 Override Heater Circuit Heater Circuit VariCAN or Pump Flt Extension module with 2 x Air Handler circuit Bn Connections B1..Bn..EMn AH‐HC1 AH‐HC2 Adapter RT‐HC2 Inputs Outputs S‐RT‐HC2 RT‐HC1 P‐HC1 S‐FT‐HC2 S‐RT‐HC1 RT‐HC1 S‐RT‐HC2 RT‐HC2 S‐RT‐HC1 AH‐HC1...
  • Page 44 V‐MC S‐FT‐DHW P‐MC Holiday S‐OT‐HWS SP‐HWS VariCAN P‐HWS B1..Bn..EMn TS‐HWS S‐B‐HWS Adapter S‐FT‐HWS Override S‐FT‐MC CWS in or Pump Flt TS‐HWS Ext. Timer/  Direct HWS S‐M‐HWS  DI3  Enable or  P‐MC Holiday VariCAN B1..Bn..EMn P‐HWS Adapter S‐B‐HWS Extension module with Mixing control to Plate Heat Exchanger for Direct HWS with DHW pump Bn Connections Inputs Outputs CWS in S‐M‐HWS P‐MC S‐DHW S‐FT‐MC V‐MC open Direct HWS SP‐HWS DHW out...

  • Page 45: Appendix 1D Abbreviations

    APPENDIX 1d Abbreviations Abbreviation Description AH-HC Air heater of Heater Circuit On/Off Boiler n Circulating pump (controlled by Sequence Control) F-PP-HWSC Fault contact of primary pump of Hot Water Storage Circuit Fault Messages Function F-B Fault contact of Boiler F-CP Fault contact of Circulating pump F-P-HWSC Fault contact of pump of Hot Water Storage Circuit General Function Heater Circuit Function HD-SC Heat demand contact of Sequence Control HWS Hot Water Storage Circuit Function Mixing Circuit Function No Connection Pump Circuit Function P-HWSC Pump of Hot Water Storage Circuit P-MC Pump of Mixing Circuit P-PC Pump of Pump Circuit PP-HWS Primary pump of Hot Water Storage Circuit S-FT...
  • Page 48 At Ideal Heating we take our environmental impact seriously, therefore when installing any Ideal Heating product please make sure to dispose of any previous appliance in an environmentally conscious manner. Households can contact their local authority to find out how.

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