Table Of Contents
GENERAL INFORMATION ................................................................................ 5
1.1 INTRODUCTION ................................................................................................................................... 5
1.2 ELECTRONIC CONTROL SYSTEM/SMARTPLATE (ECS/SP) .................................................................... 6
1.2.1 Control Box Assembly ................................................................................................................... 7
1.2.2 Feed-Forward Temperature Sensors ............................................................................................ 8
1.2.3 Outlet Temperature Sensors ........................................................................................................ 8
1.2.4 Boiler Water Inlet/Outlet Temperature Sensors .......................................................................... 8
1.3 SMARTPLATE PIPING ASSEMBLIES ...................................................................................................... 9
1.4 ELECTRONIC CONTROL VALVE, MXG-461 ............................................................................................ 9
INSTALLATION ................................................................................................11
2.1 INTRODUCTION ................................................................................................................................. 11
2.2 RECEIVING AND UNPACKING SMARTPLATE ...................................................................................... 11
2.3 SITE SELECTION AND PREPARATION ................................................................................................. 12
2.3.1 Installation Clearances ................................................................................................................ 12
2.3.2 Setting the Unit ........................................................................................................................... 13
2.3.3 Repositioning ECS/SP Control Box .............................................................................................. 14
2.4 HEATING FLUID AND DOMESTIC HOT WATER (DHW) PIPING........................................................... 15
2.5 SMARTPLATE ELECTRICAL WIRING CONNECTIONS ........................................................................... 16
2.6 ADDITIONAL COMPONENT INSTALLATION ....................................................................................... 21
FUNCTIONAL DESCRIPTION ..........................................................................23
3.1 INTRODUCTION ................................................................................................................................. 23
3.2 MECHANICAL OVERVIEW .................................................................................................................. 23
3.3 ELECTRONIC CONTROL OVERVIEW ................................................................................................... 24
3.4 OVER-TEMPERATURE CONTROL AND SAFETY FEATURES ................................................................. 24
ADJUSTMENT ..................................................................................................27
4.1 INTRODUCTION ................................................................................................................................. 27
4.2 SMARTPLATE 3-WAY CONTROL VALVE, MXG-461 ADJUSTMENT ..................................................... 27
4.2.1 Control Valve Calibration and Status Indications ....................................................................... 27
4.2.2 Manual Control of 3-Way Valve – Removable Handwheel to Hamper Tampering .................... 30
4.2.3 Setpoint Temperature Adjustment ............................................................................................ 31
4.2.4 Over-Temperature Alarm Limit Adjustment .............................................................................. 34
OPERATION .....................................................................................................37
5.1 INTRODUCTION ................................................................................................................................. 37
5.2 PRE-OPERATIONAL CHECKS & PROCEDURES .................................................................................... 37
5.3 INITIAL START-UP .............................................................................................................................. 38
5.4 CHECKING MIXED INLET TEMPERATURE ........................................................................................... 39
5.5 SHUTTING DOWN THE SYSTEM ......................................................................................................... 39
SCHEDULED MAINTENANCE .........................................................................41
6.1 INTRODUCTION ................................................................................................................................. 41
6.2 BOILER WATER DIFFERENTIAL PRESSURE GAUGE CHECK ................................................................. 42
6.3 PLATE PACK LEAKAGE CHECKS (DOUBLE-WALL MODELS ONLY) ....................................................... 43
6.4 OVER-TEMP SWITCH CHECK .............................................................................................................. 43
6.5 STRAINER INSPECTION AND CLEANING ............................................................................................ 44
6.6 CONTROL VALVE OPERATIONAL CHECK ............................................................................................ 44
6.7 TEMPERATURE SENSOR CHECKS ....................................................................................................... 44
6.8 RECIRCULATION PUMP CHECK .......................................................................................................... 45
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