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ACV ACVMax Touch, Installer'S Handbook, Page: 3 / 48

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ACV ACVMax Touch Installer'S Handbook Download Page 3

NOTE

This manual contains important information for the installer, with respect to the installation and 

set-up of the boiler.
This manual is only available on the Internet. Please check for the latest revision on our web-

site (www.acv.com).

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

• 

 It is prohibited to carry out any modifications to the appliance without the 

manufacturer’s prior and written agreement.

• 

 The appliance must be set up by a qualified installer, in accordance with 

applicable standards and regulations.

• 

 The installation must comply with the instructions contained in the boiler's 

installation manual and with the standards and regulations applicable to 

heating systems. 

• 

 Failure to comply with the instructions in this manual could result in personal 

injury or a risk of environmental pollution.

• 

 The manufacturer declines all liability for any damage caused as a result of 

incorrect installation or in the event of the use of appliances or accessories that 

are not specified by the manufacturer.

Essential recommendations for the correct operation of the appliance

• 

 To guarantee the correct operation of the installation, it is essential to carry out 

the adjustments in accordance with the instructions in this manual.

• 

 In order to ensure that the appliance operates correctly, it is essential to inspect 

and service the boiler every year.

• 

 Faulty parts may only be replaced by genuine factory parts.

General remark

• 

 The availability of certain models as well as their accessories may vary according 

to markets.

• 

 The manufacturer reserves the right to change the technical characteristics 

and features of its products without prior notice. Please check for an updated 

version of this manual in the documentation page on the website www.acv.com.

3

Installer's Handbook (Evo) - 660Y3000 • A

EN

If you smell gas:

 - 

Immediately isolate the gas supply.

 

- Open windows and doors to ventilate the area.

 

- Do not use any electrical appliances and do not operate any switches.

 - 

Immediately notify your gas supplier and/or your installer.

IMPORTANT INSTRUCTIONS - READ BEFORE PROCEEDING

Essential recommendations for safety

•   This document is intended to be used by a factory-trained and qualified 

heating contractor or service technician only. Read all instructions within 

this document and within the concerned appliance's Installation, Operation 

and Maintenance Manual before proceeding. 

•  It is recommended to follow the procedures in the steps given. Skipping 

or missing procedural steps could result in severe personal injury, death or 

substantial property damage.

•   This appliance can be used by children aged from 8 years old and above 

and persons with reduced physical, sensory or mental capabilities or lack 

of experience and knowledge, if they have been given supervision or 

instruction concerning the use of the appliance in a safe way and understand 

the hazards involved.

•  Children should be supervised to ensure that they do not play with the 

appliance.

APPLICABILITY

This manual is applicable to Evo appliances manufactured from 2022 and equipped with an  

ACVMax Touch interface. 

For appliances equipped with the other ACVMax interface, please refer to the 

previous version of the  Installer's Handbook (660Y2900).

RECOMMENDATIONS

Summary of Contents for ACVMax Touch

Page 1: ...ster 25 C Evo HeatMaster 25 35 45 70 85 120 TC Evo WaterMaster 25 X 35 45 X 70 X 85 120 Evo Boiler Protection P3 DHW P4 84 C 61 C 1 2 CH System pressure 1 5 bar HeatMaster The Installer s Handbook for Evo appliances controlled with ...

Page 2: ...on 7 Installer menu structure 7 List of Status Line Messages 26 Appliance codes 27 Factory settings and reset values 27 ACVMax menu structure 28 SYSTEM DIAGRAMS AND SET UP 30 Electrical Characteristics 25 to 45 kW Evo Appliances 30 Electrical Characteristics 70 85 kW Evo Appliances 32 Electrical Characteristics 120 kW Evo Appliances 34 Resistance of the temperature sensors 36 Pumps HeatMaster 25C ...

Page 3: ...bility of certain models as well as their accessories may vary according to markets The manufacturer reserves the right to change the technical characteristics and features of its products without prior notice Please check for an updated version of this manual in the documentation page on the website www acv com 3 Installer s Handbook Evo 660Y3000 A EN If you smell gas Immediately isolate the gas ...

Page 4: ...r each configuration when applicable A list of the error codes displayed on the ACVMax Touch screen the problem they are related to and proposed solutions For simple configurations the EZ setup function of the ACVMax Touch can be used Refer to the Installation Operation and Maintenance manual provided with the appliance or get it from the Download center at www acv com For more complex systems wit...

Page 5: ... remain illuminated for five minutes Screen brightness it can be adjusted at the Home screen by touching and holding simultaneously the and soft keys for 2 seconds Touch the and soft key to increase or decrease the contrast Touch to end the process 3 Installer function The installer is provided with full access to all available features after simultaneously touching the and soft keys for 5 seconds...

Page 6: ...n such as supply and return temperatures are displayed as well as current burner status A flame symbol is displayed when theunitisfired Theflamesizechang estoindicatethecurrentfiringrate HOME PAGE DESCRIPTION MAIN ICONS OF ACVMAX TOUCH DISPLAY Central Heating indicates information related to the CH circuit DHW indicates information related to the Domestic Hot Water circuit Home to go back to the m...

Page 7: ... detail of the menus go to Manual Operation 3 Cascade Settings Although the menu is visible it is not active for the Evo models Refer to the Installation Operation and Maintenance manual of the units for more information on cascade possibilities 4 Reset All Settings Resets all CH and DHW Settings back to the default settings for the detail of the values go to Factory settings and reset values For ...

Page 8: ... the OK key to store the setting Enabled The Appliance will respond to a central heating call Disabled The Appliance will not respond to a central heating call The heating operation dis abled icon is displayed on the home screen when central heating operation has been disabled When heating is disabled the frost protection will still be active Default HeatMaster Evo Enabled Default WaterMaster Evo ...

Page 9: ... heating calls 0 10V Power Modulation This option allows the appliance firing rate to be controlled by an external control system Based on the control input volt age the appliance will start to operate for heat demand The CH temperature is limited by the Absolute maximum temperature 0 2V appliance is off 2 10 V linear power increase from minimum to maximum output 10 2 V linear power decrease from ...

Page 10: ...al appliance capacity is the appliance minimum capacity plus 20 of the difference between the maximum and minimum capacity Touch the LEFT or RIGHT soft keys to adjust the CH Minimum Capacity then touch the OK key to store the setting Default 0 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 set...

Page 11: ...ating call when a Setpoint option is chosen in Demand Type Touch the LEFT or RIGHT soft keys to adjust the CH1 Maximum Setpoint then touch the OK key to store the setting Default 82 C CH1 Min Setpoint is the minimum setpoint for a CH1 heating call when an Outdoor Curve option is chosen in Demand Type This setting is not applicable when a Setpoint option is chosen in Demand Type Touch the LEFT or R...

Page 12: ...e Warm Weather Shutdown Temperature Default OFF Heating Settings Outdoor Curve Coldest Day 12 C Outdoor Curve Warmest Day 18 C CH2 Circuit Enabled CH2 Max Setpoint 60 C CH2 Min Setpoint 27 C Warm Weather Shutdown Off Warm Weather Shutdown Off Off 25 C CH2 Circuit allows the CH2 heating call to be enabled and disabled Touch the UP or DOWN soft keys to select Enabled or Disabled then touch the OK ke...

Page 13: ...mp Time 5 min CH Post Pump Time 5 min Off 20 min Heating Settings CH2 Max Setpoint 60 C CH2 Min Setpoint 27 C Warm Weather Shutdown Off Circulation Pump Perman Disabled CH Post Pump Time 5 min Freeze Protection Enabled Freeze Protection Enabled Disabled The Freeze Protection menu allows the feature to be enabled and disabled The built in frost protection mechanism activates the sys tem pumps as so...

Page 14: ...revents the burner from firing the central heating circulators will respond to a central heating call This blocking time has no affect on domestic hot water calls The CH Call Blocking feature prevents short cycling of the burner and extends the life of the burner components Touch the LEFT or RIGHT soft keys to adjust the Parallel Shift Value then touch the OK key to store the setting Default 2 min...

Page 15: ...me screen when domestic hot water operation has been disabled Default Enabled DHW Boost when enabled allows to increase the maximum DHW setpoint from 75 C to 85 C provid ed that the DHW Setpoint menu is increased accordingly see page 16 Touch the UP or DOWN soft keys to select Enabled or Disabled then touch the OK key to store the setting Enabled The max DHW setpoint is set at 85 C Disabled The ma...

Page 16: ...Enabled DHW Boiler Setpoint 75 C DHW Setpoint 60 C DHW on Differential 3 C DHW Setpoint 60 C 20 C 75 C DHW Setting DHW Operation Enabled Demand Sensor DHW Boost Enabled DHW Boiler Setpoint 75 C DHW Setpoint 60 C DHW on Differential 3 C DHW On Differential 3 C 2 C 10 C The appliance setpoint is automatically set to the DHW Setpoint DHW Storage adder when the Sensor option is chosen in DHW demand In...

Page 17: ...call is present The appliance setpoint will be set to the highest setpoint when simultaneous domestic hot water and central heating calls are present The DHW circulator will be enabled during a domestic hot water call The heating circulators will be enabled during a central heating call Default Enabled DHW Post Pump Time 2 min Off 30 min DHW Setting DHW Boiler Setpoint 75 C DHW Setpoint 60 C DHW o...

Page 18: ...ter Heater When the Sensor option is chosen in Demand Type a domestic hot water call is generated until the DHW storage temperature reaches 60 C once per week When the Sensor option is chosen in Demand Type the weekly timer is reset whenever the DHW storage temperature reaches 60 C to prevent unnecessary firings This function will be active even if DHW Operation has been set to Disabled The applia...

Page 19: ...h the UP or DOWN soft keys to scroll through the settings then OK to validate your selection Default 105 C This parameter sets the Modbus address of the appliance in a Modbus based communication system Touch the LEFT or RIGHT soft keys to adjust the settings then OK to validate your selection Default 0 BCST The next two screens allow to select the communication speed from 1200 to 38400 bauds Baudr...

Page 20: ...mp s installed in the primary circuit in the chosen hydraulic configuration Only select this option when the preset configurations do not offer you a solution In this menu you have to choose per relay for which heat demand function it will be ac tivated The relays are allocated as follows by default see picture below for physical location on the optional terminal blocks Flex Relay 1 CH int pump Fl...

Page 21: ...put is activated Provided there is a mixing valve in the hy draulic circuit runtime is assumed to be 120 sec When selecting ERROR the relay is activated on error When selecting FLAME the relay is activated when appliance is running and a flame signal has been detected Touch OK to activate Save Exit This will ensure that the changed data are stored in the appliance Flex Relay 1 CH2 Off DHW Off MIX ...

Page 22: ... rpm 85 kW 3750 rpm 3750 rpm 120 kW 4300 rpm 4300 rpm The Pump PWM minimum function allows to adjust the minimum pump setting if the flow in the appli ance system is insufficient at minimum appliance rate Touch the LEFT or RIGHT soft keys to increase decrease the value then OK to validate your selection Default 100 Mix zone high limit 45 C 20 C 80 C Boiler Settings Prestige Model HeatMaster Lockou...

Page 23: ...sion is made to the appliance or the ACVMax mainboard is replaced If the appliance type needs to be changed please refer to Appliance codes to know which code to use Touch the UP or DOWN soft keys to decrease increase the value from 0 to 9 then A to Z then on the LEFT or RIGHT key to change position Once the code has been changed please confirm by touching the OK key then the combined keys of the ...

Page 24: ...set all settings back to the factory default values The Cascade feature is not applicable to Evo units and is not described in this manual Cascades of Evo appliances must be controlled by an external controller e g Bus connected Reset all settings Reset All Settings Cascade Installer Code Installer Code Reset All Settings Press OK to restore factory settings any other button to keep current settin...

Page 25: ...n CH demand Touch the OK key again while the CH1 icon is highlighted to shut down the CH 1 circulator s The auxiliary appliance circulator is also powered when the CH 1 circulator is manually enabled Manual Operation DHW Touch the OK key while the DHW icon is highlighted to manually power the DHW circulator s as in DHW demand Touch the OK key again while the DHW icon is highlighted to shut down th...

Page 26: ... the Installer Menu CH Burner Delay The burner will not fire until the call blocking time has elapsed DHW Burner Delay The burner will not fire until the call blocking time has elapsed CH Setpoint Reached The burner is not fired because the supply system water temperature exceeds the setpoint The central heating circulator continues to operate and the burner will fire again once the supply system ...

Page 27: ...Outdoor Curve Warmest Day 18 C 18 C CH2 Circuit Enabled Enabled CH2 Max Setpoint 60 C 60 C 60 C CH2 Min Setpoint 27 C 27 C 27 C Warm Weather Shutdown Off Off Off Circulation pump permanent Disabled Disabled CH Post Pump time 5 min 5 min Freeze Protection Enabled Enabled Frost Protection Setpoint 30 C 30 C Parallel Shift Value 0 C 0 C CH Call Blocking 2 min 2 min Appliance min CH setpoint 27 C DHW ...

Page 28: ...oiler Setpoint DHW Setpoint DHW on Differential DHW Storage Adder DHW Post Pump Time DHW Priority Timeout DHW Priority DHW Call Blocking DHW to CH Call Blocking Antilegionella Function Main Screen Installer s Menu Disabled Enabled CH maximum capacity CH minimum capacity DHW Boiler Setpoint DHW Setpoint DHW on Differential DHW Storage Adder DHW Post Pump Time DHW Priority Timeout DHW Call Blocking ...

Page 29: ...gnition level Reset all settings Enter appliance code Pump PWM Minimum Mix zone high limit Current Pump Config Preset Pump Config Flexible Pump Config Pump PWM minimum Config 5 14 to 16 Flex Relay 1 Flex Relay 2 Flex Relay 3 Flex Relay 4 Flex Relay 5 Flex Relay 6 Error Relay Flex Relay X xxx CH on off DHW on off MIX OPEN on off MIX CLOSE on off ERROR on off FLAME on off On Lockout Blocking and War...

Page 30: ...terface control unit 25 Ignition and ionization cable 26 5AT slow blow fuse 3x for internal and optional circuits 27 10A fuse 250V Dim 5x20 mm 5AT slow blow fuse 2x for internal circuits and connection of CH DHW and Flame output 5AT slow blow fuse 1x for con nection of Alarm P3 and P4 connector P14 2 spare 5AT slow blow fuses are located on the back side of the electrical box for fuse replacement ...

Page 31: ... 4 5 6 B B V B W Br B B P13 B Or 1 2 3 Bk B Y Gr V 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 4 5 6 F00 X100 V ON OFF 3 230 V 50Hz 1 N L N L N L 2 6 25 B Y Gr Br B Y Gr Br Bk B Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr W B Y Gr Br B Y Gr B Or X101 18 20 19 21 22 23 W V X20 24 X18 PUMP PWM 8 5AT Fuse 5AT Fuse 5AT Fuse R Bk Bk Y Y R R W W Bk Bk R Bk W Y Y Y Y Y Y Y Y Y Y W W W W W W W Br B Br B Y Gr V 1 2 ...

Page 32: ...e 25 Connection for Interface Control Unit option 26 5AT slow blow fuse 3x for internal and optional circuits 27 Modulating pump PWM 28 10A fuse 250V Dim 5x20 mm 5AT slow blow fuse 2x for internal circuits and connection of CH DHW and Flame output 5AT slow blow fuse 1x for con nection of Alarm P3 and P4 connector P14 2 spare 5AT slow blow fuses are located on the back side of the electrical box fo...

Page 33: ...V ON OFF 3 230 V 50Hz 1 N L N L N L 2 6 24 B Y Gr Br B Y Gr Br B Bk B Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr W B Y Gr Br B Y Gr B Or X101 18 20 19 21 23 W B V X20 25 X18 V W B W B B 9 10 11 12 13 14 15 16 X100 7 Y Gr Y Gr 5AT Fuse 5AT Fuse 5AT Fuse BK BK Bk Bk R Bk Y Y R R W W V Or Bk Bk R Bk W Y Y Y Y Y Y Y Y Y Y W W W W W W W V 1 2 3 4 5 1 2 3 4 5 8 2 1 1 NTC 5 9 2 1 1 NTC 2 10 2 1 1 NTC 1 11 1...

Page 34: ... Interface Control Unit option 26 5AT slow blow fuse 3x for internal and optional circuits 27 Modulating pump PWM 28 10A fuse 250V Dim 5x20 mm 5AT slow blow fuse 2x for internal circuits and connection of CH DHW and Flame output 5AT slow blow fuse 1x for con nection of Alarm P3 and P4 connector P14 2 spare 5AT slow blow fuses are located on the back side of the electrical box for fuse replacement ...

Page 35: ... Br Br Y Gr B B 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 5 F00 X100 N L N L V ON OFF 3 230 V 50Hz 1 N L N L N L 2 6 B Y Gr Br B Y Gr Br Br B Bk B Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr W B Y Gr Br Br B B Y Gr B Or Br B Br Y Gr B X101 18 20 19 21 22 23 4 X10 1 2 X20 16 24 2 1 1 NTC 5 9 2 1 1 NTC 2 10 2 1 1 NTC 1 11 Br B 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1 X103 X103 Harness code A1002114 L N 230 V 1 2...

Page 36: ...ixing valve or reflect the activation of the alarm error or Flame output relay In the following pages you will find diagrams for HeatMaster C and TC with a configuration number that corresponds to the setting in the display Con fig No Flex 4 ERR Flex 6 P4 Flex 3 P3 Flex 2 DHW Flex 1 CH Flex 5 FL 5 Error Flame CH2 CH1 DHW CH1 CH2 DHW Flame 14 Error Flame Mix open CH1 CH2 CH1 CH1 CH2 DHW Mix close 1...

Page 37: ...z 1 N L N L N L 2 6 B Y Gr Br B Y Gr Br Br B Bk B Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr W B Y Gr Br Br B B Y Gr B Or Br B Br Y Gr B X101 4 X10 1 2 X20 2 1 1 NTC 5 9 2 1 1 NTC 2 10 2 1 1 NTC 1 11 Br B 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1 X103 X103 Harness code A1002114 L N 230 V V W B W B B 9 10 11 12 13 14 15 16 16 15 14 13 12 11 10 9 X100 7 Y Gr Y Gr B W B W B V B Br Y Gr B Br B Br Y Gr P4 P3 FL...

Page 38: ...3 4 5 6 7 8 9 Or Bk Bk V Bk 4 2 1 3 2 1 8 9 10 11 12 1 2 3 4 5 13 6 1 2 3 4 5 6 7 8 9 10 W R Y R Y BK BK W 6 7 8 9 10 1 2 3 4 5 X3 1 2 3 4 5 6 7 8 9 10 11 12 V W R Bk 7 8 9 10 11 1 2 3 4 5 12 6 X1 R Bk Bk Y Y Bk Bk R R W W V Or Bk Bk W V 1 2 3 4 5 1 2 3 4 5 8 Bk 12 13 14 X12 X9 P14 1 2 3 4 1 2 3 4 5 6 B V B W P13 B Or 1 2 3 Bk B Y Gr V Br B Br Br Y Gr B B 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 5 F0...

Page 39: ... 7 8 9 Or Bk Bk V Bk 4 2 1 3 2 1 8 9 10 11 12 1 2 3 4 5 13 6 1 2 3 4 5 6 7 8 9 10 W R Y R Y BK BK W 6 7 8 9 10 1 2 3 4 5 X3 1 2 3 4 5 6 7 8 9 10 11 12 V W R Bk 7 8 9 10 11 1 2 3 4 5 12 6 X1 R Bk Bk Y Y Bk Bk R R W W V Or Bk Bk W V 1 2 3 4 5 1 2 3 4 5 8 Bk 12 13 14 X12 X9 P14 1 2 3 4 1 2 3 4 5 6 B V B W P13 B Or 1 2 3 Bk B Y Gr V Br B Br Br Y Gr B B 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 5 F00 X100 ...

Page 40: ...2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 5 F00 X100 N L N L ON OFF 3 230 V 50Hz 1 N L N L N L 2 6 B Y Gr Br B Y Gr Br Br B Bk B Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr Y Gr W B Y Gr Br Br B B Y Gr B Or Br B Br Y Gr B X101 4 X10 1 2 X20 2 1 1 NTC 5 9 2 1 1 NTC 2 10 2 1 1 NTC 1 11 Br B 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1 X103 X103 Harness code A1002114 L N 230 V V W B W B B 9 10 11 12 13 14 15 16 16 15 14 13 ...

Page 41: ...cuit Disabled DHW Operation Enabled Demand Sensor WaterMaster water heater producing Domestic Hot Water with recirculation circuit Optional filling kit Warm water Cold water Electrical board terminals Connected to ACV Max 1 2 3 4 5 6 W W W W W W 4 5 6 1 2 3 X15 1 2 3 4 5 6 7 8 9 10 Y Y Y Y Y Y Y Y Y Y X11 6 7 8 9 10 1 2 3 4 5 3 4 1 2 X16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 W R Or Bk Bk V Bk 8 9 10 11...

Page 42: ...ter heater for the production of Domestic Hot Water with a DHW buffer tank and recirculation circuit Optional filling kit Warm water Cold water Electrical board terminals Connected to ACV Max 4 5 6 X15 X11 6 7 8 9 10 3 4 1 2 8 9 10 11 12 13 14 X2 6 7 8 9 10 X3 7 8 9 10 11 12 X1 W 230 V 50Hz 1 N L N L B Y Gr Br X101 19 18 21 20 22 25 16 26 1 2 3 1 2 1 2 3 4 1 2 3 4 5 6 X7 X4 X6 X5 Bus A Bus Ground ...

Page 43: ...Handbook Evo 660Y3000 A EN WaterMaster water heater for the production of Domestic Hot Water with two DHW buffer tanks and a recirculation circuit Warm water Cold water Optional filling kit SYSTEM DIAGRAMS AND SET UP ...

Page 44: ...aller s Handbook Evo 660Y3000 A EN Two WaterMaster water heaters for the production of Domestic Hot Water with two DHW buffer tanks and a recirculation circuit Warm water Cold water SYSTEM DIAGRAMS AND SET UP ...

Page 45: ...reached Resets are limited to 5 every 15 minutes 1 Turn unit off and on to resume normal operation 2 If the problem persists replace the ACVMax circuit board E 15 Sensor Drift Supply or return sensor reading has drifted Check supply and return temperature sensors and wiring harness E 16 Supply Sensor Stuck Supply sensor reading is not changing 1 Check supply temperature sensor and wiring harness f...

Page 46: ... temperature sensor and wiring harness for a short circuit 2 If necessary replace the sensor or the wire harness 3 After fixing the problem reset the appliance and resume normal operation E 46 Flue Sensor Open An open circuit has been detected in the appliance flue tem perature sensor circuit 1 Check flue temperature sensor connectors and wiring harness for an open circuit 2 If necessary replace t...

Page 47: ...nd resume normal operation E 92 System Sensor Open An open circuit has been detected in the system temperature sensor circuit 1 Check system temperature sensor and wiring for an open circuit 2 If necessary replace the sensor or the wire harness 3 After fixing the problem reset the appliance and resume normal operation E 93 Outdoor Sensor Shorted A short circuit has been detected in the outdoor tem...

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