Table Of Contents - MARLO NXT2 Series Installation, Operation And Maintenance Manual

MGT 240M-1200M NXT2 3" TWIN ALTERNATING

TABLE OF CONTENTS

SYSTEM INFORMATION
Product Warranty ...........................................................................................................................................................1
General Arrangement Drawings ....................................................................................................................................2
Dimension Chart ...........................................................................................................................................................4
Speci ication Chart .......................................................................................................................................................5
INSTALLATION
General Information .......................................................................................................................................................6
Loading Softener ..........................................................................................................................................................7
Mounting Control Valve ................................................................................................................................................7
Brine Tank Installation .................................................................................................................................................. 8
Mounting Water Meter ................................................................................................................................................. 10
Network Communication Cables/Connections ............................................................................................................ 10
Power Supply Wiring ...................................................................................................................................................11
Connection Piping Installation .....................................................................................................................................11
OPERATION
Timer Display Features ...............................................................................................................................................12
System Operation ........................................................................................................................................................13
Timer Operation ...........................................................................................................................................................13
Start-Up Procedures ....................................................................................................................................................15
User Mode Programming Flow Chart ..........................................................................................................................16
Batch Size Calculation.................................................................................................................................................17
Diagnostic Mode Flow Chart .......................................................................................................................................18
Master Programming Flow Chart.................................................................................................................................19
Master Programming Guide ........................................................................................................................................21
Flow Diagrams.............................................................................................................................................................22
Wiring Diagram ............................................................................................................................................................24
MAINTENANCE
Powerhead Assembly .................................................................................................................................................25
NXT2 Timer Assembly .................................................................................................................................................27
Control Valve Assembly ...............................................................................................................................................28
Brine Injector Assemblies ...........................................................................................................................................30
Meters and Flow Sensors ...........................................................................................................................................34
Brine Tank Assemblies ...............................................................................................................................................37
Service Assemblies ....................................................................................................................................................41
Troubleshooting ...........................................................................................................................................................42