Carrier 33CSSP3-FC Manual de usuario

Installation Instructions

Table of Contents

Step#1: Preparation ..........................................................................2

Step#2: Applications .........................................................................3

Step#3: Wire Connections..................................................................4

Step#4: Test Operation & Wiring Diagrams .........................................6

Troubleshooting..............................................................................14

Technical Specications...................................................................16

Follow Installation Instructions carefully. Disconnect

Power to the Heater/Air Conditioner before removing

the old thermostat and installing the new thermostat.

CAUTION

IMPORTANT

IMPORTANT: The Fan Coil Series Thermostat Controllers are intended to provide an input

to equipment under normal operating conditions. Where failure or malfunction of the

thermostat controller could lead to personal injury or property damage to the controlled

equipment or other property, additional precautions must be designed into the control

system. Incorporate and maintain other devices, such as supervisory or alarm systems or

safety or limit controls, intended to warn or protect against failure or malfunction of the

thermostat controller.

Step #1 Preparation

• Properinstallationofthethermostatwillbeaccomplishedbyfollowing

these step by step instructions. If you are unsure about any of these steps,

call a qualied technician for assistance.

• Assembletools.

• MakesureyourHeater/AirConditionerisworkingproperlybefore

beginning installation of the thermostat.

• Carefullyunpackthethermostat.Savethescrews,wallanchors,

and instructions.

• TurnothepowertotheHeating/AirConditioningsystematthe

main fuse panel.

INSTALLATION

Location Considerations

Locate the Fan Coil Series Thermostat Controllers:

• onapartitioningwall,approximately5ft(1.5m)abovetheoorina

location of average temperature.

• awayfromdirectsunlight,radiantheat,outsidewalls,outsidedoors,

air discharge grills, or stairwells; and from behind doors.

• awayfromsteamorwaterpipes,warmairstacks,unconditionedareas

(notheatedorcooled),orsourcesofelectricalinterference.

Drill with 3/16

inch Drill Bit

(when not

using j-box)

Flat Blade

Screwdriver Wire cutter

& Stripper

Step #2 Applications

New Applications

• FollowthethermostatandE-M(Electro-Mechanical)wiringdiagrams

suppliedwiththesubmittalpackage,andaxedtothefancoilunit

enclosure.Gotopages6through10forinstructionstotestoperationfor

the available applications.

Existing Applications

• Removethecoveroftheoldthermostat.Ifitdoesnotcomeoeasilycheck

for screws.

• Loosenthescrewsholdingthethermostatbaseorsubbasetothewalland

lift away.

• Disconnectthewiresfromtheoldthermostat.Tapetheendsofthewires

asyoudisconnectthemandmarkthemwiththeletteroftheterminalfor

easy reconnection to the new thermostat.

• Keeptheoldthermostatforreferencepurposesuntilyournewthermostat

is functioning properly.

CAUTION: Risk of Electric Shock.

Disconnectpowersupplybeforemakingelectricalconnectionstoavoidelectricshock.

CAUTION: Risk of Property Damage.

Donotapplypowertothesystembeforecheckingallwireconnections.Shortcircuited

or improperly connected wires may result in permanent damage to the equipment.

CAUTION

IMPORTANT:Makeallwiringconnectionsinaccordancewithlocal,national,andregional

regulations.DonotexceedtheelectricalratingsoftheFanCoilSeriesThermostatControllers.

Note: This thermostat is strictly a low voltage control. A compatible relay board must be

installed to isolate the 24 volt wires from the line voltage to the fan.

Step #3 Wire Connections

If the terminal designations on your old thermostat do not match

those on the new thermostat, refer to the chart below.

4-Pipe Systems

Wire from the Install on the

old thermostat Function new thermostat

terminal marked terminal marked

Y1,Y Cooling Y1

W1, W Heating W1

RH, R, M, Vr, A Power R

C Common C

G, F or LOW Low Fan Speed G

MED Medium Fan Speed G2

HIGH High Fan Speed G3

Note: Be sure to seal any opening through the wall behind

the thermostat with reproof material to prevent improper

temperature sensing of the conditioned space.

Step #3 Wire Connections

If the terminal designations on your old thermostat do not match

those on the new thermostat, refer to the chart below.

2-Pipe Systems

Wire from the Install on the

old thermostat Function new thermostat

terminal marked terminal marked

Y1,Y Water Valve Y1

W1, W Strip Heater W1

RH, R, M, Vr, A Power R

C Common C

G, F or LOW Low Fan Speed G

MED Medium Fan Speed G2

HIGH High Fan Speed G3

Note: Be sure to seal any opening through the wall behind

the thermostat with reproof material to prevent improper

temperature sensing of the conditioned space.

Step #4 Test Operation

4-PIPE SYSTEM

• TurnthepowerontotheFanCoilUnit.

• PresstheMODEbuttonrepeatedlyuntiltheHEAT icon appears on the

display.PresstheUPorDOWNbuttonsuntilthesettemperatureis10

degrees above room temperature.The hot water valve will open and the

fan will be running.

• PresstheMODEbuttonrepeatedlyuntiltheCOOL icon appears on the

display.PresstheUPorDOWNbuttonsuntilthesettemperatureis10

degrees below room temperature.The cold water valve will open and the

fan will be running.

• PresstheUPbuttonuntilthesetpointisequaltotheroomtemperature.

PresstheFanbuttonrepeatedlyuntilasinglebarappearsnexttotheFan

icon.Conrmthefanisrunningonlowspeed.PresstheFanbuttonagain,

conrmthefanisrunningonmediumspeed.Again,presstheFanbutton,

conrmthefanisrunningathighspeed.PresstheFanbuttononcemore,

thebarsnexttotheFaniconshoulddisappear.

• PresstheMODEbuttonrepeatedlyuntiltheOFF icon appears on the

display.Bothvalveswillbeclosedandthefanwillbeo.

Step #4 Wiring Diagram

Sample Wiring Diagram

4-Pipe, Low Voltage Valves, Duct Temperature Sensor

& Dry Contact

COM

G3/(Y)

G2/(W)

Sample Wiring Diagram

4-Pipe, Low V oltage V alves, Duct Temperature

Sensor & Dry Contact

COM

G3(Y)

G2(W)

BLACK

WHITE

Dry Contact

Duct Sensor

G100-71520307

H2O

Ck1

W1 HC

Thermostat

24vac

Page 7

24 Volt Water

Valves

Important Note:IfaDuct

sensor is connected to this

thermostat it is suggested

that the fan be programmed

for continuous operation

(step#5,page11ofthe

Owner’sManual)

Step #4 Test Operation

2-PIPE, HEAT ONLY OR COOL ONLY

• TurnthepowerontotheFanCoilUnitandconrmthatthethermostatis

programmedcorrectlyinsetupsteps#3and#4onpage11oftheOwner’s

Manual.

• IfHeatOnly,presstheMODEbuttonrepeatedlyuntiltheHEAT icon appears

onthedisplay.PresstheUPorDOWNbuttonsuntilthesettemperatureis

10degreesaboveroomtemperature.Thehotwatervalvewillopenandthe

fan will be running.

• IfCoolOnly,presstheMODEbuttonrepeatedlyuntiltheCOOL icon appears

onthedisplay.PresstheUPorDOWNbuttonsuntilthesettemperatureis

10degreesbelowroomtemperature.Thecoldwatervalvewillopenand

the fan will be running.

• PresstheUPbuttonuntilthesetpointisequaltotheroomtemperature.

PresstheFanbuttonrepeatedlyuntilasinglebarappearsnexttotheFan

icon.Conrmthefanisrunningonlowspeed.PresstheFanbuttonagain,

conrmthefanisrunningonmediumspeed.Again,presstheFanbutton,

conrmthefanisrunningathighspeed.PresstheFanbuttononcemore,

thebarsnexttotheFaniconshoulddisappear.

• PresstheMODEbuttonrepeatedlyuntiltheOFF icon appears on the

display.Bothvalveswillbeclosedandthefanwillbeo.

Step #4 Wiring Diagram

COM

G3/(Y)

G2/(W)

Sample Wiring Diagram

2-Pipe, Low V oltage V alve, Heat Only or Cool Only

COM

G3(Y)

G2(W)

Thermostat

24vac

Page 8

24 Volt

Water Valve

Sample Wiring Diagram

2-Pipe, Low Voltage Valve, Cool Only

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