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AVC Technology Prestige 24 Solo Manual

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SYSTEM CONTROL - ACVMAX
For boilers produced in 2015
660Y2800 • C
Prestige
42 - 50 - 75 - 100 - 120
24 - 32
24 - 32
Excellence
32
Excellence LG
EN
FR
NL
ES
IT
Solo
Solo
DE
PL
RU

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Summary of Contents for AVC Technology Prestige 24 Solo

  • Page 1 SYSTEM CONTROL - ACVMAX Prestige 42 - 50 - 75 - 100 - 120 Solo 24 - 32 Solo 24 - 32 Excellence Excellence LG For boilers produced in 2015 660Y2800 • C...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PRESET CONFIGURATION 7 - SOLO (2 PUMPS) ............40 RECOMMENDATIONS .....................3 High and Low temperature heating circuits, with room control on Heating Circuit 1 (CH1) and possible Important instructions - read before proceeding ......................3 second room control, possibly with optional outdoor temperature sensor and room thermostat..40 USER'S GUIDE ........................4 High and Low temperature heating circuits, with room control on Heating Circuit 1 (CH1) and possible How to use this manual ................................4...

  • Page 3: Recommendations

    RECOMMENDATIONS IMPORTANT INSTRUCTIONS - READ BEFORE PROCEEDING NOTE This manual contains important information with respect to the installation and set-up of the boiler. Essential recommendations for safety This manual must be provided to the installer, who will keep it in a safe place. •...

  • Page 4: User's Guide

    USER'S GUIDE HOW TO USE THIS MANUAL BOILER EASY SETUP This manual is for the exclusive use of ACV-approved installers. The main parameters of the Prestige boilers can be set up using the EZ (easy) setup function of the controller. The EZ setup function allows the user/installer to quickly setup the appliance for immediate The first section of the manual contains a description of the ACVMax controller and of the keys, screens operation according to the system configuration.

  • Page 5: Acvmax Operating Information

    APPLIANCE DESCRIPTION AND OPERATION ACVMAX OPERATING INFORMATION Main Icons of ACVMax display Central Heating - indicates information related to the CH circuit. The ACVMax system control is designed to be flexible yet easy to use. It monitors and controls the DHW - indicates information related to the Domestic Hot Water circuit.

  • Page 6: Installer Menu Structure

    APPLIANCE DESCRIPTION AND OPERATION INSTALLER MENU STRUCTURE INSTALLER MENU DESCRIPTION The installer Menu contains the following icons : 84°C CH & DHW Settings – Allows the installer to adjust the boilers central/space heating and domestic hot water settings for the application. Refer to "CH & DHW Settings / Heating Settings" 61°C on page 7.
  • Page 7 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating Settings Heating Settings CH Settings The Heating Settings menu contains settings related to central heating operation. Each Heating Operation Enabled Demand Thermostat & Setpoint line contains a CH Setting followed by its current value. Six CH Settings are displayed on Abs.
  • Page 8 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating settings (Cont'd) Demand Type Demand Type Thermostat & Outdoor Curve – A central heating call from a dry contact switch will enable the Prestige Thermostat & Outd. Curve Thermostat & Outd. Curve and the setpoint will vary with the outdoor temperature for central heating calls.
  • Page 9 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating Settings (Cont'd) 0 - 10V Modulation Signal - This option allows the Prestige firing rate to be controlled by an external control system. Based on the control input voltage, the appliance will start to operate for heat demand. The CH temperature is limited by the Absolute maximum temperature (87°C).
  • Page 10 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating settings (Cont’d) Absolute Max CH Setpoint limits the setpoint during a central heating call. This setting can be used to prevent a user from adjusting the central heating setpoint or outdoor curve above Abs.
  • Page 11 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating settings (Cont’d) Outdoor Curve Heating Settings Heating Settings Outdoor Curve Coldest Day is the coldest outdoor design temperature of the heating sys- Coldest Day tem when an Outdoor Curve option is chosen in Demand Type. This setting is not applicable Heating Operation Enabled Heating Operation...
  • Page 12 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating Settings (Cont’d) CH2 Min. Heating Settings Heating Settings CH2 Minimum Setpoint is the minimum setpoint for a CH2 heating call when an Out- Setpoint door Curve option is chosen in Demand Type. This setting is not applicable when a Set- CH1 Max.
  • Page 13 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating Settings (Cont’d) CH Post Pump Time sets how long the central heating circulators will continue to op- erate at the completion of a heating call. Refer to “Pumps” on page 32 to know which CH Post Heating Settings Heating Settings...
  • Page 14 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Heating Settings (Cont’d) Parallel Shift allows the CH setpoint to be externally adjusted when a Constant option is chosen in Demand Type. When a Constant option is chosen in Demand Type, continuous CH1 and CH2 heating calls are generated.
  • Page 15 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / DHW settings DHW Settings DHW Settings The DHW Settings menu contains settings related to domestic hot water operation. DHW Operation Enabled Demand Thermostat Each line contains a DHW Setting followed by its current value. Six DHW Settings are DHW Boiler Setpoint 75°C displayed on the screen at one time.
  • Page 16 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / DHW settings (Cont’d) DHW Settings DHW Settings DHW Boiler Setpoint is the fixed boiler setpoint temperature during a domestic hot wa- Boiler Setpoint DHW Operation Enabled DHW Operation Enabled 75°C ter call when the Thermostat option is chosen in Demand Type. Demand Thermostat Demand...
  • Page 17 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / DHW settings (Cont’d) DHW Storage Adder is used to compute the boiler setpoint when the Sensor option is DHW Settings DHW Settings DHW Storage Adder chosen in Demand Type. The boiler setpoint will be DHW Storage Setpoint + DHW Storage DHW Operation Enabled DHW Operation...
  • Page 18 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / DHW settings (Cont’d) DHW Priority allows the domestic hot water priority function to be enabled and disabled. Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button to store the setting.
  • Page 19 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / DHW settings (Cont’d) The Antilegionella Function ensures that an Indirect Water Heater is heated at least once per week to prevent the growth of Legionella bacteria. Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button to store the setting.
  • Page 20 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Boiler Settings The Boiler Settings menu contains settings related to boiler operation. Each line contains Boiler Settings Prestige Model Boiler Settings a boiler setting followed by its current value. Four boiler settings are available. Press the UP or DOWN buttons to scroll through the settings, then on OK to validate your Prestige Model Solo (2 pumps)
  • Page 21 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Boiler Settings (cont’d) Preset Pump Con g Con g 1 Con g 2 Con g 3 Con g 4 Con g 5 Con g 6 Pump Settings Pump Settings In the Preset Pump Config. (preferred selection) you can choose from a number of preset pump configurations Current Pump Con g Modi ed Current Pump Con g...
  • Page 22 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Boiler Settings (cont’d) Each relay function has several options. Activation will happen when one of the following options has been chosen: Flexible Pump Con g Flex. Relay 1 (CH) CH1, CH2, DHW, MIX OPEN, MIX CLOSE, ERROR, FLAME. CH1 / CV1 Flex.
  • Page 23 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Boiler Settings (cont’d) Flex. Relay 1 (CH) Flex. Relay 1 (CH) CH1 / CV1 CH1 / CV1 When selecting Mix Close, the Mixing valve close input is activated. Provided there is a mixing valve in the CH2 / CV2 CH2 / CV2 hydraulic circuit, runtime is assumed to be 120 sec.
  • Page 24 APPLIANCE DESCRIPTION AND OPERATION CH & DHW Settings / Boiler Settings (cont’d) There are three possible selections to activate the Error Relay (alarm) contact: Flexible Pump Con g Flexible Pump Con g Error Relay • On Lockout, Blocking and Warning: the error relay is activated at a non-volatile lock- On Lockout, Blocking and Warning out (e.g.
  • Page 25 APPLIANCE DESCRIPTION AND OPERATION Manual Operation Manual Operation Manual Operation FAN - Press the OK button while the FAN icon is highlighted to manually fire the burner and power the CH (1) circulator. Released Press the LEFT and RIGHT buttons to adjust the firing rate from 0% (Low Fire) to 100% (High Fire). Hold down the LEFT or RIGHT buttons to rapidly increase or decrease the firing rate.

  • Page 26: Configuration Of Regular Systems

    CONFIGURATION OF REGULAR SYSTEMS ELECTRICAL CHARACTERISTICS PRESTIGE 42 - 50 - 75 SOLO 230 V power supply plug Ground PRESTIGE SOLO ON/OFF master switch Gas valve rectified Main Characteristics Burner power supply Rated voltage Terminal block for optional items Rated frequency 230 VAC OUTPUT ! : Alarm (ERR terminal) Electrical consumption...
  • Page 27 CONFIGURATION OF REGULAR SYSTEMS Blue Black Brown Grey NTC 5 NTC 2 NTC 1 Orange Violet X100 X100 White Y/Gr. Yellow/Green 1 2 3 4 5 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12...

  • Page 28: Electrical Characteristics Prestige 100-120 Solo

    CONFIGURATION OF REGULAR SYSTEMS ELECTRICAL CHARACTERISTICS PRESTIGE 100-120 SOLO 230 V power supply plug Ground ON/OFF master switch PRESTIGE SOLO Gas valve Main Characteristics Burner power supply Terminal block for optional items Rated voltage Rated frequency : Alarm (ERR terminal) Electrical consumption 230 VAC OUTPUT ! Class...
  • Page 29 CONFIGURATION OF REGULAR SYSTEMS Blue Black Brown Grey NTC 5 NTC 2 NTC 1 Orange Violet X100 X100 White Y/Gr. Yellow/Green 1 2 3 4 5 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12...

  • Page 30: Electrical Characteristics Prestige 24-32 Solo/Excellence

    CONFIGURATION OF REGULAR SYSTEMS ELECTRICAL CHARACTERISTICS PRESTIGE 24-32 SOLO/EXCELLENCE 230 V power supply plug Ground PRESTIGE ON/OFF master switch Solo Excellence Gas valve rectified Burner power supply Main Characteristics Terminal block for optional items Rated voltage : Alarm (ERR) 230 VAC OUTPUT ! Rated frequency Max.
  • Page 31 CONFIGURATION OF REGULAR SYSTEMS Blue Black Brown PUMP PWM Grey NTC 5 NTC 2 NTC 1 Orange 3 2 1 3 2 1 STEPPER Violet X100 X100 White Y/Gr. Yellow/Green A B C D 1 2 3 4 5 4 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6...

  • Page 32: It Configuration Of Regular Systems - Prestige Solo (2 Pumps)

    CONFIGURATION OF REGULAR SYSTEMS - PRESTIGE SOLO (2 PUMPS) GENERAL ACCESSING THE PRESET CONFIGURATION PAGE FOR SOLO (2 PUMPS) This section contains information on the electrical connections, hydraulic connections and ACVMax controller set-up for Prestige 42-50-75-100-120 Solo, that are required to operate the system To access the preset configuration page, follow the selections shown on the screens below (Installer menu) configuration you have selected.

  • Page 33: Preset Configuration 1 - Solo (2 Pumps)

    PRESET CONFIGURATION 1 - SOLO (2 PUMPS) High temperature heating circuit, possibly with optional outdoor temperature High temperature heating circuit, circulator pumps on return lines, possibly with optional outdoor temperature sensor and room thermostat, and with sensor and room thermostat, without DHW circuit. DHW circuit.

  • Page 34: Pl Temperature Sensor And Room Thermostat, And With Dhw Circuit

    PRESET CONFIGURATION 1 - SOLO (2 PUMPS) High temperature heating circuit, with additional load pump, possibly with Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to know optional outdoor temperature sensor and room thermostat, and with DHW how to get to the relevant page of the ACVMax controller.

  • Page 35: Ature Sensor And Room Thermostats, And With Dhw Circuit

    PRESET CONFIGURATION 1 - SOLO (2 PUMPS) High temperature heating circuits, with additional load pump, possibly with High temperature heating circuits, with additional load pump, possibly with optional outdoor temperature sensor and room thermostats, and with DHW optional outdoor temperature sensor and room thermostats, and with DHW circuit.

  • Page 36: Preset Configuration 4 - Solo (2 Pumps)

    PRESET CONFIGURATION 4 - SOLO (2 PUMPS) NTC 5 NTC 2 NTC 1 High temperature heating circuits, with additional load pump, possibly with Electrical board terminals Terminal name --> Connected to Y/Gr optional outdoor temperature sensor and room thermostats, and with DHW Y/Gr X100 .....

  • Page 37: Ature Sensor And Room Thermostats, And With Dhw Circuit

    NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 4 - SOLO (2 PUMPS) High temperature heating circuits, with additional load pump, possibly with X100 Electrical board terminals Terminal name --> Connected to Y/Gr optional outdoor temperature sensor and room thermostats, and with DHW Y/Gr 1 2 3 4 5 3 2 1...

  • Page 38: Preset Configuration 3 - Solo (2 Pumps)

    NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 3 - SOLO (2 PUMPS) X100 High temperature heating circuits controlled through solenoid valves, with Electrical board terminals Terminal name --> Connected to 1 2 3 4 5 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 Y/Gr...

  • Page 39: Temperature Sensor And Room Thermostats, And With Dhw Circuit And Dhw Sensor

    NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 3 - SOLO (2 PUMPS) X100 High temperature heating circuits controlled through solenoid valves, possibly Electrical board terminals Terminal name --> Connected to 1 2 3 4 5 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 with optional outdoor temperature sensor and room thermostats, and with...

  • Page 40: Preset Configuration 7 - Solo (2 Pumps)

    PRESET CONFIGURATION 7 - SOLO (2 PUMPS) X100 1 2 3 4 5 3 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 High and Low temperature heating circuits, with room control on Heating Circuit Electrical board terminals Terminal name -->...

  • Page 41: With Dhw Circuit

    PRESET CONFIGURATION 7 - SOLO (2 PUMPS) NTC 5 NTC 2 NTC 1 High and Low temperature heating circuits, with room control on Heating Circuit Electrical board terminals Terminal name --> Connected to X100 Y/Gr 1 (CH1) and possible second room control, possibly with optional outdoor Y/Gr 1 2 3 4 5 3 2 1...

  • Page 42: Preset Configuration 9 - Solo (2 Pumps)

    PRESET CONFIGURATION 9 - SOLO (2 PUMPS) High and low temperature heating circuits, possibly with optional outdoor Pump power is limited in this system configuration, as both pumps (CH1 and CH1Low) need to be connected in parallel. Additionally, a second relay can be used. temperature sensor and room thermostat, and with DHW circuit.

  • Page 43: Preset Configuration 12 - Solo (2 Pumps)

    PRESET CONFIGURATION 12 - SOLO (2 PUMPS) NTC 5 NTC 2 NTC 1 High and Low temperature heating circuit, possibly with optional outdoor Electrical board terminals Terminal name --> Connected to X100 temperature sensor and room thermostat, and with DHW circuit. Y/Gr Y/Gr 1 2 3 4 5...
  • Page 44 CONFIGURATION OF CASCADE SYSTEMS - SOLO (2 PUMPS) Cascade Menu / Cascade Information Cascade Information provides real time operating information of the Cascade System. Each Cascade Info. Cascade Info. line contains an information item followed by its current value. Cascade Role Master Cascade Role - Displays the current role of the Prestige in the Cascade System.
  • Page 45 CONFIGURATION OF CASCADE SYSTEMS - SOLO (2 PUMPS) Cascade Menu / Cascade Settings (also refer to “Cascade system connection (4-boiler Cascade)” on page 50) Cascade Settings The Cascade Settings menu contains settings related to cascade operation. Each line contains a Cascade Setting followed by its current value. Six Cascade Settings are displayed on the screen at one time.

  • Page 46: Cascade Menu Description And Operation - Solo (2 Pumps)

    CASCADE MENU DESCRIPTION AND OPERATION - SOLO (2 PUMPS) Cascade Menu / Cascade Settings (Cont’d) Maximum Firing Rate is the maximum capacity of a single boiler in the Cascade System. Cascade Setting Cascade Setting Maximum Press the LEFT or RIGHT buttons to adjust the Maximum Firing Rate then press the OK button Firing Rate Stage Delay 60 sec...
  • Page 47 CASCADE MENU DESCRIPTION AND OPERATION - SOLO (2 PUMPS) Cascade Menu / Cascade Settings (Cont’d) CH Proportional Gain allows the cascade response to be adjusted for a central heating call. CH Proportional Gain has the greatest influence when the system temperature is far away from the setpoint.
  • Page 48 CASCADE MENU DESCRIPTION AND OPERATION - SOLO (2 PUMPS) Cascade / Cascade Settings (Cont’d) DHW Proportional Gain allows the cascade response to be adjusted for a domestic hot water call. DHW Proportional Gain has the greatest influence when the system temperature is far away from the setpoint.
  • Page 49 CASCADE MENU DESCRIPTION AND OPERATION - SOLO (2 PUMPS) Cascade / Cascade Autodetection The Cascade System must be configured after wiring is completed and any required adjustments are made in Cascade Settings. Refer to "Cascade system connection (4-boiler Cascade)" on page 50 before using this function. Cascade Autodetect.

  • Page 50: Cascade System Connection (4-Boiler Cascade)

    CONFIGURATION OF CASCADE SYSTEMS - SOLO (2 PUMPS) CASCADE SYSTEM CONNECTION (4-BOILER CASCADE) Set-up conditions • Gas conversion done as required • Boilers switched off using the ON/OFF master switch • External power supply closed • Gas supply closed NTC 5 NTC 2 NTC 1 •...

  • Page 51: Cascade Start-Up Process

    CONFIGURATION OF CASCADE SYSTEMS - SOLO (2 PUMPS) CASCADE START-UP PROCESS ACCESSING THE CASCADE AUTODETECTION PAGE Set-up conditions • Cascade electrical connection done (refer to “Cascade system connection (4-boiler Cascade)” on page 50). 84°C • Condensate trap full of water •...

  • Page 52: Preset Configuration 2 (Cascade) - Solo (2 Pumps)

    PRESET CONFIGURATION 2 (CASCADE) - SOLO (2 PUMPS) 3-boiler cascade configuration, high temperature, with DHW circuit General remarks • Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to know how to get to the relevant page of the ACVMax controller. •...
  • Page 53 PRESET CONFIGURATION 2 (CASCADE) - SOLO (2 PUMPS) Master Slave Electrical board terminals Terminal name --> Connected to Electrical board terminals Terminal name --> Connected to Y/Gr Y/Gr 6 7 8 9 10 1 2 3 4 5 6 ..... ERR -->...

  • Page 54: 3-Boiler Cascade Configuration, High Temperature, With Dhw Circuit

    PRESET CONFIGURATION 2 (CASCADE) - SOLO (2 PUMPS) 3-boiler cascade configuration, high temperature, with DHW circuit General remarks • Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to know how to get to the relevant page of the ACVMax controller. •...
  • Page 55 PRESET CONFIGURATION 2 (CASCADE) - SOLO (2 PUMPS) Slave Master Electrical board terminals Terminal name --> Connected to Electrical board terminals Terminal name --> Connected to Y/Gr Y/Gr ..... ERR --> None 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 .....

  • Page 56: Preset Configuration 5 (Cascade) - Solo (2 Pumps)

    PRESET CONFIGURATION 5 (CASCADE) - SOLO (2 PUMPS) 3-boiler cascade configuration, with two high temperature heating circuits and DHW circuit General remarks • Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to know how to get to the relevant page of the ACVMax controller. •...
  • Page 57 PRESET CONFIGURATION 5 (CASCADE) - SOLO (2 PUMPS) Master Slave Electrical board terminals Terminal name --> Connected to Electrical board terminals Terminal name --> Connected to Y/Gr Y/Gr ..... ERR --> None 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 .....

  • Page 58: Configuration Of Regular Systems - Prestige Solo/Excellence (3-Way Valve)

    CONFIGURATION OF REGULAR SYSTEMS - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE) GENERAL PUMPS This section contains information on the electrical connections, hydraulic connections and ACVMax The pump configurator system is based on the demands of the hydraulic system that you design. In the controller set-up for Prestige 24-32 Solo/Excellence, that are required to operate the system table below, you will find the 4 configurations that have been preset in the ACVMax controller for the configuration you have selected.

  • Page 59: Preset Configuration 1 - Prestige Solo/Excellence (3-Way Valve)

    PRESET CONFIGURATION 1 - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE) ACCESSING THE PRESET CONFIGURATION PAGE FOR THE SOLO/EXCEL. Two heating circuits, with two room thermostats and optional outdoor sensor, (3-WAY VALVE) and with DHW circuit. To access the preset configuration page, follow the selections shown on the screens below (Installer menu) CH &...

  • Page 60: Preset Configuration 2 - Prestige Solo/Excellence (3-Way Valve)

    PUMP PWM NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 2 - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE) 3 2 1 3 2 1 STEPPER X100 Two heating circuits, with optional outdoor temperature sensor and room Electrical board terminals Terminal name --> Connected to Y/Gr Y/Gr A B C D...

  • Page 61: Circuit

    PUMP PWM NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 3 - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE) 3 2 1 3 2 1 STEPPER X100 High and Low temperature heating circuits, with optional outdoor temperature Electrical board terminals Terminal name --> Connected to Y/Gr sensor and room thermostats, and with DHW circuit.

  • Page 62: Preset Configuration 4 - Prestige Solo/Excellence (3-Way Valve)

    PUMP PWM NTC 5 NTC 2 NTC 1 PRESET CONFIGURATION 4 - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE) 3 2 1 3 2 1 STEPPER X100 High and Low temperature heating circuits, with optional outdoor temperature Electrical board terminals Terminal name --> Connected to Y/Gr sensor and room thermostats, and with DHW circuit.

  • Page 63: Acvmax Parameters For The Specialist

    ACVMAX PARAMETERS FOR THE SPECIALIST ACVMAX PARAMETERS FOR THE SPECIALIST LIST OF STATUS LINE MESSAGES Status Line Message Description Standby Indicates that the Prestige is ready to respond when a demand is received. CH Demand A central heating call has been received. DHW Demand A domestic hot water call has been received.

  • Page 64: List Of Information Items

    ACVMAX PARAMETERS FOR THE SPECIALIST LIST OF INFORMATION ITEMS Information Items Description Boiler Status Displays the current operating state of the Prestige. This is the same as the status line on the home screen. Heating Call Displays if a central heating call is present. DHW Call Displays if a domestic hot water call is present Boiler Firing Rate...

  • Page 65: Blockage And Error Codes

    BLOCKAGE AND ERROR CODES BLOCKAGE AND ERROR CODES Codes Description of the fault Solution for the fault 1. Check gas supply to boiler. 2. Check Ignition cable connection in control box. E 01 Failed ignition: The burner failed to light after 5 ignition attempts. 3.
  • Page 66 BLOCKAGE AND ERROR CODES Codes Description of the fault Solution for the fault 1. Check supply temperature sensor and wiring harness for a short circuit. Supply Sensor Shorted: A short circuit has been detected in the boiler supply tem- 2. If necessary replace the sensor, or the wire harness. E 30 perature sensor circuit 3.
  • Page 67 BLOCKAGE AND ERROR CODES Codes Description of the fault Solution for the fault 1. Check Mix circuit temp. sensor and wiring harness for an open circuit. 2. If necessary replace the sensor, or the wire harness. E 79 Mix-circuit sensor Open 3.
  • Page 68 System Control - ACVMax: 660Y2800 • C...

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