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ACV HeatMaster 25 User Manual

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EN
SyStem Control
HeatMaster
®
25 - 35 - 45 - 70 - 85 - 120 TC
71 - 101 - 201
660Y1400-A

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Summary of Contents for ACV HeatMaster 25

  • Page 1 SyStem Control HeatMaster ® 25 - 35 - 45 - 70 - 85 - 120 TC 71 - 101 - 201 660Y1400-A...

  • Page 2: Table Of Contents

    Table of ConTenTs General recommendations ....... 3 Communication Mode (with code) : ........... 29 Fan Mode (with code) : ................... 29 User's GUide .............. 4 Error Mode (with code) : ................29 How to use this manual ..................4 BlockaGe and error codes ......30 appliance description .........

  • Page 3: General Recommendations

    GEnErAL rECoMMEndAtIonS note this manual contains important information with respect to the installation and set-up of the boiler. this manual must be provided to the installer, who will keep it in a safe place. We accept no liability should any damage result from the failure to comply with the instructions contained in this technical manual. Essential recommendations for safety •...

  • Page 4: User's Guide

    The next sections contain the codes available in each mode of the MCBA, as well as the error codes displayed on the MCBA, which will allow the installer to troubleshoot the possible faults. For any other installation configuration than those in this manual, please contact your ACV representative. 660Y1400-A...

  • Page 5: Appliance Description

    APPLIAnCE dESCrIPtIon The MCBA is an electronic control module and a regulator for gas boilers, developed by Honeywell and fitted with a microprocessor. It includes several basic functions: temperature control, flame monitoring, heating pump control, fan control, 3-way valve control, electrical ignition and boiler control.

  • Page 6: Connection Diagrams And Accessories

    ConnECtIon dIAGrAMS And ACCESSorIES hiGh-temperatUre heatinG circUit controlled By a room thermostat Cold water Hot water MCBA 660Y1400-A...
  • Page 7 Required optional material Applicable to Description Code All HM TC models room thermostat ACV 22 10800018 High temperature kit dn 25 : comprised of a heating pump, two isolating valves, a check valve, HM 25 / 35 / 45 TC 10800294 two thermometers.
  • Page 8 ConneCtion Diagrams anD aCCessories Block diagram for wiring in accordance with applicable standards. Remove this link to connect the room thermostat. 10 11 12 13 660Y1400-A...
  • Page 9 ConneCtion Diagrams anD aCCessories Setting the MCBA DESCRIpTIon Initial Adjusted 00 : Heating mode “oFF” 3. 0 1 3. 0 1 01 : Heating mode “on” 4. 85 4. 85 Preset temperature for the heating circuit water (adjustable between 30 and 85°C). p.

  • Page 10: Installation Of Two Heating Circuits Controlled By Room Unit And Zmc-2 Module

    ConneCtion Diagrams anD aCCessories installation of two heatinG circUits controlled By room Unit and Zmc-2 modUle Cold water Hot water MCBA 660Y1400-A...
  • Page 11 ConneCtion Diagrams anD aCCessories Required optional material Applicable to Description Code room Unit rSC All HM TC models 10800034 delivered with outdoor sensor ZMC-2 Module (kit) 10800218 All HM TC models Manages the second heating circuit - alarm contact - only functions in conjunction with the room Unit rSC.
  • Page 12 ConneCtion Diagrams anD aCCessories Block diagram for wiring in accordance with 230 Volt - 6A 230 Volt - 6A applicable standards. 50Hz 50Hz 2 3 N N N N 2 3 N N N N ZMC-2 ZMC-2 (230 Volt) (230 Volt) A B VF 0 VE 0 A B VF 0 VE 0 VF202...

  • Page 13: Cascade Installation

    01 : Heating mode “on” 4. 85 4. 85 Maximum temperature of the heating circuit (must be higher than the DHW temperature). cascade installation For information on the installation of several HeatMaster® TC boilers in a cascade, please contact your ACV representative. 660Y1400-A...

  • Page 14: Mcba Parameters For The Specialist

    MCBA PArAMEtErS For tHE SPECIALISt stand-By mode ( When the boiler is switched on, it starts up in Stand-by mode, as shown in the figure above. this is the standard mode of the MCBA. the MCBA automatically returns to this mode after 20 minutes if no key is pressed on the MCBA interface. the new parameters will become active.
  • Page 15 MCBA PArAMeters for the sPeCiAlist If the burner is blocked for one of the above reasons, the display toggles between "9" and the temperature (last two digits) and “b” with the error code Once the cause of the blocking has been resolved, the burner starts up automatically after a maximum of 150 seconds.. Status Boiler Function Internal adjustment —...

  • Page 16: Parameter Mode ( )

    MCBA PArAMeters for the sPeCiAlist parameter mode ( SETTIng THE MCBA pARAMETERS to access the Parameter mode when the system is in Standby mode, press the “MoDE” key once. to scroll through the list of parameters press the “STEp” key. to modify the value of the parameter, use the “+” or “-” keys. then, press the “SToRE”...

  • Page 17: Info Mode ( )

    MCBA PArAMeters for the sPeCiAlist info mode ( DISplAy InFoRMATIon on THE InSTAllATIon to switch from Stand-by mode to Info mode, press the “MoDE” key twice Press the “STEp” key until the desired information is displayed. MoDE the dot located behind the first position flashes to indicate that the boiler is in Info mode. MoDE STEp Display...
  • Page 18 MCBA PArAMeters for the sPeCiAlist STEp Display parameter Description 8. 00 Rate of increase of return temperature in °C/S 9. 00 Rate of increase of DHW temperature in °C/S a. 34 Flow temperature of 2nd central heating circuit c. 00 E.
  • Page 19 MCBA PArAMeters for the sPeCiAlist STEp Display parameter Description Number of CH starts [ x 100] Number ofCH starts [ x 1] Number of hours of CH operation [ x 10000] Number of hours of CH operation [ x 100] Number of hours of CH operation [ x 1] Number of DHW starts [ x 10000] Number of DHW starts [ x 100]...

  • Page 20: Code Mode ( )

    Error mode. MODE STEP Only ACV approved installers know the access code. Press once on theSTEp key and the screen displays “C” For more information, please contact in the first position then random characters in the third and fourth positions.

  • Page 21: Setting The Parameters

    MCBA PArAMeters for the sPeCiAlist settinG the parameters Only accessible using the code Factory settings STEp Display parameter Description HM 25 / 35 / 45 / 70 / 85 / 120 TC HM 71 / 101 / 201 p. 1 0 .
  • Page 22 MCBA PArAMeters for the sPeCiAlist settinG the parameter: only accessible using the code Factory settings STEp Display parameter Description HM 25 TC HM 35 TC HM 45 TC p. 19 . 00 . 00 . 00 Booster 00 = OFF [minute]. p.
  • Page 23 MCBA PArAMeters for the sPeCiAlist Factory settings HM 70 TC HM 85 TC HM 120 TC HM 71 HM 101 HM 201 . 00 . 00 . 00 . 00 . 00 . 00 . 1 0 . 1 0 .
  • Page 24 MCBA PArAMeters for the sPeCiAlist settinG the parameter: only accessible using the code Factory settings STEp Display parameter Description HM 25 TC HM 35 TC HM 45 TC . 36 . 36 . 36 Natural gas Fan speed during ignition p.
  • Page 25 MCBA PArAMeters for the sPeCiAlist Factory settings HM 70 TC HM 85 TC HM 120 TC HM 71 HM 101 HM 201 . 39 . 39 . 44 . 35 . 42 . 37 . 39 . 39 . 44 .
  • Page 26 MCBA PArAMeters for the sPeCiAlist Factory settings STEp Display parameter Description HM 25 TC HM 35 TC HM 45 TC p. 41 . 00 . 00 . 00 Domestic hot water block time [sec. x 10,2]. p. 42 . 00 .
  • Page 27 MCBA PArAMeters for the sPeCiAlist Factory settings HM 70 TC HM 85 TC HM 120 TC HM 71 HM 101 HM 201 . 00 . 00 . 00 . 00 . 00 . 00 . 00 . 00 . 00 .
  • Page 28 MCBA PArAMeters for the sPeCiAlist Factory settings STEp Display parameter Description HM 25 TC HM 35 TC HM 45 TC HM 70 TC HM 85 TC HM 120 TC HM 71 HM 101 HM 201 Max. T6 temperature limit p. 84 .

  • Page 29: Communication Mode (With Code)

    MCBA PArAMeters for the sPeCiAlist commUnication mode (with code) : This mode indicates communication between the boiler and the control module. MoDE Display STEp Display parameter Description No communication Communication only between the boiler module and the optional control module. Communication between all the connected appliances.

  • Page 30: Blockage And Error Codes

    BLoCk AGE And Error CodES list of error codes + solUtions [in error mode] If a fault occurs during operation, the system locks out and the display starts to flash. The first character is an “E” or “b” and the following two indicate the code of this fault, as indicated in the table below.
  • Page 31 Block age and error codes Codes Fault description Fault solutions E 15 Internal error If the problem persists after two “ReSeT” attempts, replace the MCBA E 16 Internal error If the problem persists after two “ReSeT” attempts, replace the MCBA E 17 Internal error If the problem persists after two “ReSeT”...
  • Page 32 Block age and error codes Codes Fault description Fault solutions 1. Check the connection of the NTC1 sensor E 3 1 Short-circuit NTC1 2. Check the wiring of the NTC1 sensor 3. If the problem persists replace the NTC1 sensor 1.
  • Page 33 Block age and error codes Fault description Fault solutions Codes E 6 1 Air pressure switch closed when it should have opened Check the air pressure switch Water pressure Check the water pressure 1. Check the supply voltage of the MCBA Incorrect fan speed during start-up 2.

This manual is also suitable for:

Heatmaster 35Heatmaster 45Heatmaster 70Heatmaster 85Heatmaster 120 tcHeatmaster 71 ... Show all

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