en2-35ENFRNLESITDEPLRUThe Installer's Handbook - ACVMax: A1004308 - 660Y2900 - Volume 2 • BHEATMASTERPRESET CONFIGURATION 16Pump Configuration 16Config.NoFlex 4ERRFlex 6P4Flex 3P3Flex 2DHWFlex 1CHFlex 5FL16 Error/Flame CH2 CH1/CH2 CH1 CH1/CH2/DHWFlameElectrical board terminals Terminal name --> Connected toACV Max1234561 2 3 4 5 6WWWWWW4 5 61 2 31 2 34 6X151 2 3 4 5 6 7 8 9 10YYYYYYYYYYX116 7 8 9 101 2 3 4 56 7 8 9 101 2 3 4 5 17161 2 3 4 5 6 7 8 9 101 2 3 4 5 6 7 8 9 10 11 12 13 14 WROrBkBkBkVBk42 1 3 2 1 1 2 3 1 2 3 4 5 68 9 10 11 121 2 3 4 5136147X21 2 3 4 5 6 7 8 9 10WRYRYBKBKW6 7 8 9 101 2 3 4 5X31 2 3 4 5 6 7 8 9 10 11 12 VWRBk7 8 9 10 111 2 3 4 5126X1RBkBkYYBkBkRRWWVOrBkBkRBkWYYYYYYYYYYWWWWWWWV1 2 3 4 51 2 3 4 58Bk2 311512 13 14X12X9P141234 123456BVBWP13BOr123BkBY/GrVBrBBrBrY/GrBB4 5 6 7 88 7 6 5 41235F00X100NLNLVON / OFF3230 V ~ 50Hz1NLNLNL26BY/GrBrBY/GrBrBrBBkBY/GrY/GrY/GrY/GrY/GrY/GrY/GrY/GrWBBrBBrBBrY/GrBX1014X1012X20122 11NTC 592 11NTC 2102 11NTC 111BrB12 2334 4556 6778 8991X103X103Harness code: A100211427X18VWBWBB9 10 11 12 13 14 15 1616 15 14 13 12 11 10 9X1007Y/GrY/GrBWBWBVBBrY/GrBBrBBrY/GrP4 P3FL2811 3366 4477 88 9955225AT Fuse5AT Fuse5AT FusePUMP PWMBrBrBBBVY/GrCM1 2 3 1 2 329ACV Ma1234561 2 3 4 5 6 7 8 9 OrBkBkVBk42 1 3 2 18 9 10 11 121 2 3 4 51 2 3 4 5 6 7 8 9 10WRYRYBKBKW6 7 8 9 101 2 3 4 5X31 2 3 4 5 6 7 8 9 10 11 12 VWRBk7 8 9 10 111 2 3 4 5126X1RBkBkYYBkBkRRWWVOrBkBkWV1 2 3 4 51 2 3 4 58Bk12 13 14X12X9P141234 123456BVBWP13BOr123BkBY/GrVBrBBrBrY/GrBB1 2 3 4 5 6 7 88 7 6 5 4 3 2 11235F00X100NLNLON / OFF3230 V ~ 50Hz1NLNLNL26BY/GrBrBY/GrBrBrBBkBY/GrY/GrY/GrY/GrY/GrY/GrY/GrY/GrWBY/GrBrBY/GrBOrBrBBrY/GrBX1014X1012X202 11NTC 592 11NTC 2102 11NTC 111BrB12 2334 4556 6778 8991X103X103Harness code: A1002114VWBWBB9 10 11 12 13 14 15 1616 15 14 13 12 11 10 9X1007Y/GrY/GrBWBWBVBBrY/GrBBrBBrY/GrP4 P3FL2811 3366 4477 88 9955225AT Fuse5AT Fuse5AT FusePUMP PWMBrBrBBBVY/GrCM1 2 3 1 2 329............. P4 --> --............. FL --> Flame sensor............. P3 --> --............. ERR --> Error (Alarm)............. DHW --> CH pump (CH1 circuit)ACV Max1234561 2 3 4 5 6WWWWWW4 5 61 2 31 2 34 6X151 2 3 4 5 6 7 8 9 10YYYYYYYYYYX116 7 8 9 101 2 3 4 56 7 8 9 101 2 3 4 5 16153 41 2X161 2 3 4 5 6 7 8 9 101 2 3 4 5 6 7 8 9 10 11 12 13 14 WROrBkBkVBk42 1 3 2 1 1 2 3 1 2 3 4 5 68 9 10 11 121 2 3 4 5136147X21 2 3 4 5 6 7 8 9 10WRYRYBKBKW6 7 8 9 101 2 3 4 5X31 2 3 4 5 6 7 8 9 10 11 12 VWRBk7 8 9 10 111 2 3 4 5126X1RBkYYBkBkRRWWVYBkBkRBkWYYYYYYYYYYWWWWWWWV1 2 3 4 51 2 3 4 58Bk2 311412 13X12X9P141234 123456BVBWP13BOr123BkBY/GrWBrBBrBF00W230 V ~ 50Hz1NLNLNL2BY/GrBrBY/GrBrY/GrY/GrY/GrY/GrX101181720192124X1012X2016252 11NTC 592 11NTC 2102 11NTC 111123121234123456X7X4X6X5Bus ABus - GroundBus B0-10 Volt - Ground0-10 Volt - InputCascade sensor - GroundCascade sensor - InputNTC 3NTC 412222326X18WBB13 14 15 1616 15 14 13X1007Y/GrBWBWBVBBrY/GrBP3275AT Fuse5AT Fuse5AT Fuse............. DHW sensor (NTC3)............. Optional outdoor temp. sensor (NTC4)............. Optional room thermostat 1ACVMax interface settings using the Installer menu(Installer code needed, see “Installer Code”):MainScreenSub-screenitem Sub-item Required selectionModel HeatMaster (Pre-Set)Pump Settings Preset Pump Config Config 16Heating Operation Enabled ( )Demand Thermostat and Outd.curveCH2 Circuit DisabledDHW Operation Enabled ( )Demand SensorCH1CH pumpHigh temperature heating circuit, possibly with optional outdoor temperaturesensor and room thermostat.