Install Instructions

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Table of Contents
8.11 System Sensor Wiring...........................................................................................34
8.12 Cascade Wiring .....................................................................................................35
8.13 Modbus Wiring .....................................................................................................35
SECTION IX - ACVMax Operation
9.1 ACVMax Navigation ............................................................................................41
9.2 ACVMax Menu Structure.....................................................................................42
9.3 Home Screen.........................................................................................................43
9.4 Status Line Messages............................................................................................44
9.5 Main Menu .........................................................................................................45
9.6 EZ Setup .........................................................................................................46
9.7 Heating EZ Setup .................................................................................................46
9.7.1 Select CH Demand ......................................................................................46
9.7.2 CH1 Setpoint ...............................................................................................46
9.7.3 CH2 Setpoint ...............................................................................................46
9.7.4 Select CH1 Reset Curve..............................................................................47
9.7.5 Select CH2 Reset Curve..............................................................................47
9.7.6 Set Warm Weather Shutdown Temperature.................................................47
9.7.7 CH EZ Setup Complete...............................................................................47
9.8 Domestic Hot Water EZ Setup .............................................................................48
9.8.1 Select DHW Demand ..................................................................................48
9.8.2 Boiler DHW Setpoint ..................................................................................48
9.8.3 DHW Storage Setpoint................................................................................48
9.8.4 DHW Priority Timeout................................................................................49
9.9 EZ Setup Reset......................................................................................................49
9.10 Display EZ Setup ..................................................................................................49
9.11 CH/DHW Operation .............................................................................................50
9.12 Boiler Information ...............................................................................................50
9.12.1 Boiler Information Logging ........................................................................50
9.12.2 Information Items ........................................................................................51
9.13 Lockout History ...................................................................................................52
9.13.1 Lockout Details ...........................................................................................52
9.13.2 Lockout Screen............................................................................................53
SECTION X - Start-Up Preparation
10.1 Boiler System Fluid Requirements .......................................................................56
10.1.1 Boiler Fluid pH Level 6.0 to 8.0 .................................................................56
10.1.2 Boiler Fluid Hardness Less Than 7 Grains .................................................56
10.1.3 Chlorinated Water........................................................................................56
10.1.4 Flush Boiler to Remove Sediment ..............................................................56
10.1.5 Cleaning of Old Boiler/System: .................................................................56
10.1.6 Cleaning of New Boiler/System: ..............................................................56
10.1.7 Check and Test Antifreeze...........................................................................57