Aerco SmartPlate User Manual download pdf (Page 3)

SmartPlate Installation, Operation & Maintenance Manual

OMM-0069_0E AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 Page 3 of 138

SP-100 Phone: 800-526-0288 PRI: 11/26/2013

TABLE OF CONTENTS

CHAPTER 1. 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............................................................................................7

1.2.3OutletTemperatureSensors........................................................................................................7

1.2.4BoilerWaterInlet/OutletTemperatureSensors..........................................................................7

1.3SMARTPLATEPIPINGASSEMBLIES......................................................................................................8

1.4ELECTRONICCONTROLVALVE,

MXG‐461............................................................................................8

CHAPTER 2. INSTALLATION .................................................................................................. 11

2.1INTRODUCTION.................................................................................................................................11

2.2RECEIVINGANDUNPACKINGSMARTPLATE......................................................................................11

2.3SITESELECTIONANDPREPARATION.................................................................................................11

2.3.1InstallationClearances................................................................................................................11

2.3.2SettingtheUnit...........................................................................................................................12

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

CHAPTER 3. FUNCTIONAL DESCRIPTION ........................................................................... 21

3.1INTRODUCTION.................................................................................................................................21

3.2MECHANICALOVERVIEW..................................................................................................................21

3.3ELECTRONICCONTROLOVERVIEW...................................................................................................22

3.4OVER‐TEMPERATURECONTROLANDSAFETYFEATURES.................................................................22

CHAPTER 4. ADJUSTMENT ................................................................................................... 25

4.1INTRODUCTION.................................................................................................................................25

4.2SMARTPLATE3‐WAYCONTROLVALVE,MXG‐461ADJUSTMENT

.....................................................25

4.2.1ControlValveCalibrationandStatusIndications.......................................................................25

4.2.2ManualControlof3‐WayValve–RemovableHandwheel toHamperTampering....................28

4.2.3SetpointTemperatureAdjustment............................................................................................29

4.2.4Over‐TemperatureAlarmLimitAdjustment...............................................................................32

CHAPTER 5. OPERATION ....................................................................................................... 35

5.1INTRODUCTION.................................................................................................................................35

5.2PRE‐OPERATIONALCHECKS

&PROCEDURES....................................................................................35

5.3INITIALSTART‐UP..............................................................................................................................36

5.4SHUTTINGDOWNTHESYSTEM.........................................................................................................37

CHAPTER 6. SCHEDULED MAINTENANCE .......................................................................... 39

6.1INTRODUCTION.................................................................................................................................39

6.2BOILERWATERDIFFERENTIALPRESSUREGAUGECHECK.................................................................39

6.3PLATEPACKLEAKAGECHECKS(DOUBLE‐WALLMODELSONLY) .......................................................40

6.4OVER‐TEMPSWITCHCHECK..............................................................................................................41



6.5STRAINERINSPECTIONANDCLEANING............................................................................................42

6.6CONTROLVALVEOPERATIONALCHECK............................................................................................42

6.7TEMPERATURESENSORCHECKS.......................................................................................................42

6.8RECIRCULATIONPUMPCHECK..........................................................................................................42

6.9PERIODICCLEANINGOFHEATEXCHANGER ......................................................................................43

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