Robertshaw Smart Sense Series Manual de usuario

www.robertshaw.com

SMART 2000

Digital Programmable Thermostat

Installation Manual

IMPORTANT SAFETY INFORMATION

WARNING: ELECTRICAL SHOCK HAZARD – Turn off power at the main

power source by unscrewing fuse or switching circuit breaker

to the OFF position before installing, removing, or cleaning

this thermostat.

WARNING: FIRE AND ELECTRIC SHOCK HAZARD – This device should be

installed by a qualified service technician with due regard

for safety as improper installation could result in a fire and

electric shock hazard.

WARNING: FIRE AND ELECTRICAL SHOCK HAZARD – This is a 24V AC

low-voltage thermostat. Do not install on voltages higher than

30V AC.

• Do not switch system to cool if the temperature is below 50°F (10°C). This can

damage your cooling system and may cause personal injury.

• Do not short (jumper) across terminals on the gas valve or at the system control

to test installation. This will damage the thermostat and void the warranty.

• Do not connect ground to any terminal in this unit.

• All wiring must conform to local and national building and electrical codes and

ordinances.

• Use this thermostat only as described in the manual.

TABLE OF CONTENTS

Installation 6

MounngtheSMART2000Thermostat 7

PlanYourInstallaon 9

Wiring Diagrams 15

Before Applying Power 20

Commissioning 20

Control Logic 22

AdvancedInstallerSettings 23

Entering the Advanced Installer Menu 23

Using the Advanced Installer Menu 24

Funcons 24

UsingRemoteTemperatureSensors 39

OutsideAirSensorWiring 41

RemoteAirTemperatureSensorWiring 42

AveragingTemperatureSensors 42

RemoteON/OFFFuncons 43

Using the Occupancy Mode 43

SupplyAirTemperatureMonitoring 44

Advanced Functions 44

ModBusCommunicaons 44

FactoryTestMode 47

HighandLowBalancePoints 47

SengUptheHeatandCoolOFFFuncons 48

AdapveRecovery 48

PowerUpTheSystem 49

Specifications 52

Troubleshooting 54

One Year Limited Warranty 59

Thisdocumentisnottypicallylewiththeuserasitcontainsinformaonon

sengvalues.Ifthesearenotcorrectlyset,theymaydamagetheheang,

coolingoraircondioningsystemorseriouslyaectitsperformanceandenergy

consumpon.

Pleasereadthisinstruconmanualtounderstandtheinstallaon,tesngand

commissioning process.

This manual is to be used with the supplied User Manual.

Greatcarehasbeentakeninthepreparaonofthismanual.Uni-Line®takes

no responsibility for errors or omissions contained in this document. It is the

responsibilityoftheusertoensurethisthermostat,ortheequipmentconnected

toitisoperangtotheirrespecvespecicaonsandinasafemanner.

Uni-Linereservestherighttochangespecicaonswithoutpriornoce.

INSTALLATION

Aswithanyheangand/oraircondioningproject,carefulinstallaonisthe

keytoasuccessfuloutcome.Timetakenduringthisinstallaonprocesswillbe

rewardedwithasasedcustomerandfewercall-backs.

ThestepsrequiredtoinstalltheSMART2000thermostatare:

1. Read and understand this manual and the User Manual.

2. Mount the back plate in a suitable location.

3. SettheeightDIPswitchestomatchtheneedoftheproject/user.

4. Connect wires to terminal blocks.

5. Wiretheoptionalremotetemperaturesensor(s)orswitchesifrequired.

6. Power up the heating and/or air conditioning system.

7. Settheinstallersoftwareoptions(ifrequired).

8. Program and set up the thermostat. (The User Manual will assist with this).

9. Testtheheating,coolingandotherfunctions–Commissioning.

Mounting the SMART 2000 Thermostat

IMPORTANT: TheSMART2000canonlybeasaccurateastheonboard

temperaturesensor,oritsoponalremotetemperaturesensor(s)

permit. The thermostat should be mounted in a location that is

typical of the ambient room temperature. Do not install it near the

floor,inadraft,behindadoor,oronanon-insulated,exteriorwall.

Installthethermostatawayfromexposuretosunlightandfourto

five feet (12.2 to 1.5 m) above the floor.

Figure 1

• Liftthecover(Figure1)onthehousingtoexposeaslotatthebottom.Takenotice

of the decorative cover hinge points and the connection between the two halves.

• Insert a screwdriver or coin into the slot and twist. This will separate the two

halves.

• Continue to swing the top half upward. This will release the decorative cover

hinge and the tabs holding the top half in place.

• Pull the control wires through the large opening in the base plate.

• Position the base plate on the wall and attach it with appropriate fasteners

(Figure 2) (two screws with drywall anchors are supplied). The base plate should

be visibly level.

• Block any holes where wires are pulled through a wall opening. This will

prevent drafts from entering the back of the thermostat.

Figure 2

IfthisinstallaonwillbeusingModBuscontrolsorremotesensors,becertainto

includetheproperwirestomakethoseconnecons.

Plan Your Installation

1 2

DIP

5 63 4 7 8

Clock Battery

Switches 1 - 8

Switches for ModBus

End-Of-Line Resistor

Figure 3

Inaddiontothestandardthermostatwiring,theSMART2000has:

• Two groups of switches (DIP switches)

• ModBus communication terminals (leave OFF if communication errors occur)

• Two terminals for using remote sensors and contacts

• Battery for program clock back-up (lithium battery CR1220)

Theswitchesmustbesetcorrectlyforeachsystemconguraon.Followthese

steps:

1. Review the settings in Table 1.

2. Read the switch descriptions.

3. Mark or write down the switch positions that you will use.

4. Inthefiguresthatfollow,findthewiringdiagramthataccuratelydescribes

yourequipment.

5. Reviewtheswitchsettingsnexttothewiringdiagram.Ifthereareany

differencesbetweenthatlistandyourselections,reviewyourlist.Becertain

you have the correct wiring diagram and choices for switch positions.

The ModBus and TT terminals will be described later in this manual.

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