Carrier 48TJ016-028 specifications EconoMi$erlV Input/Output Logic, Inputs, Dcv, Outputs

Page 52

Table 30 --EconoMi$erlV Input/Output Logic

 

 

 

 

INPUTS

 

 

Demand

Control

 

Enthalpy*

 

 

 

 

Ventilation

(DCV)

 

Outdoor

Return

Below

set

 

High

 

 

Low

 

 

 

 

 

(DCV

LED Off)

(Free

Cooling

LED

Off)

 

 

 

Low

 

 

High

 

 

 

(Free

Cooling

LED

On)

Above

set

 

High

 

 

Low

 

 

 

 

 

(DCV

LED On)

(Free

Cooling

LED

Off)

 

 

 

Low

 

 

High

 

 

 

(Free

Cooling

LED

On)

*For single enthalpy control, the module compares enthalpy to the ABCD set point.

tPower at N terminal determines Occupied/Unoccupied 24 vac (Occupied), no power (Unoccupied).

**Modulation is based on the supply air sensor signal. 1-tModulation is based on the DCV signal.

 

 

 

 

 

 

OUTPUTS

 

 

 

 

Compressor

 

 

N Terminalt

 

Y1

Y2

Stage

Stage

 

Occupied

Unoccupied

 

 

1

2

 

 

Dam )er

 

On

On

On

On

Minimum

position

Closed

 

 

 

On

Off

On

Off

 

 

 

 

 

Off

Off

Off

Off

 

 

 

 

 

On

On

On

Off

Modulating**

(between rain.

Modulating**

(between

On

Off

Off

Off

position and full-open)

closed and full-open)

Off

Off

Off

Off

Minimum

position

Closed

 

 

 

 

 

 

 

On

On

On

On

Modulating1-1- (between min.

Modulatingtl-

(between

On

Off

On

Off

position

and

DCV maximum)

closed and

DCV

maximum)

 

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

On

On

On

Off

Modulating***

 

Modulatingtl-t

On

Off

Off

Off

 

 

 

 

 

Off

Off

Off

Off

 

 

 

 

 

outdoor

***Modulation

is based on the

greater

of DCV and supply air sensor

 

signals,

between minimum

position

and either

maximum

position

setting:

(DCV)

or fully open (supply

air signal).

 

 

ttl-Modulation

is based on the greater

of DCV

and supply

air sen-

 

sor signals, between closed and either maximum position (DCV) or fully open (supply air signal).

Fig. 61 --EconoMiSerlV Functional View

52

Image 52
Contents Installation, Start-Up Service Instructions Accessory Curb Rig and Place Unit --Do not diop unit14-3/4 Package no HeightOUTLINEGPUN,T Dimensions Spreaderbars Detail aUnit Base Rail UnitDIM B DIM C Unit Weight STD Unit EconomizerBTD Unit Unit Weight DIM a DIM B DIM C WeightPhysical Data Evaporator FANFreeze Protection Thermostat F Unit 48TJ Furnace SectionOUTDOOR-AIR Inlet Screens Install Flue Hood and Wind Baffle Make Unit Duct Connections -- UnitTrap Condensate Drain -- See Fig InsideOrifice Quantity Orifice Change -- This unit is factory asLP Gas Conversion GAS VO Ltag ETBI Field Control Thermostat Wiring Thermostat AssemblyElectrical Data Make Outdoor-Air Inlet Adjust- ments Securing ScrewsPanel PANInstall All Accessories-- Install all Motormaster I Control InstallationMotormaster V Control Installation Motormaster V Control Package UsageItem Description 48TJ024,028AdjustFactory-Installed Options OutputsELD WntiEcono Motor GrinyelApplication Temperature Sensor Enthalpy Outdoor AIR Return33CSENTHSW Differential Enthalpy Control Wiring Outdoor JIN UnitEconoMiSerlVComponent Locations-- End View Optional Economiseriv and ECONOMISER2EconoMi$erlV Wiring Supply Air Sensor Temperature Resistance Values EconoMi$erlV Sensor UsageEconomiseriv Standard Sensors ECONOMI$ERIV11t,4 AOlI so+Nocv EconoMi$erlV Controller 002 Sensor Maximum Range SettingSR117 To x l---ff+ TR 002 Sensor Standard Settings MOISTUREMI$ER LlsvLPS TranCompressor Rotation Crankcase Heater Size 028 and Units withFan Performance --48TJD020 and 024 Low Heat Units Fan Performance --48TJD016 Low Heat UnitsAirflow Fan Performance 48TJD028 Low Heat Units Fan Performance --48TJF016 High Heat UnitsFan Performance 48TJF020 and 024 High Heat Units Fan Performance --48TJF028 High Heat UnitsAccessory/FlOP Static Pressure Accessory/FlOP Static Pressure In. wg --48TJ020-028Fan Rpm at Motor Pulley Settings Air Quantity LimitsEvaporator-Fan Motor Efficiency Evaporator-Fan Motor DataOperating Sequence COOLING. Units with ECONOMISER2, Premier COOLING, Units with ECONOMISER2, PremierOAT SPT HEATING. Unit with ECONOMI$ER2, PremierlinkCoil Maintenance and Cleaning Recommen Typical Gas Heating SectionEvaporator Fan Performance Adjustment LubricationCondenser and EVAPORATOR-FAN Motor Manufacturer LubricantEvaporator Fan Service and Replacement Motor SectionFixed Flange SINGLE-GROOVE With BeltBelt Tension Adjustment --To adjust belt tension Condenser-Fan AdjustmentGas Valve Adjustment Diagnostic IGC Control LEDs-- The IGC bomdProtective Devices Control Circuit, 24-7--This control circuit is pro48TJD016 SeeD o,,-PL1o-12 1011 1Oll IOllAHA BKR W/ATUnit Troubleshooting- Refer to Tables 27-29 Cooling Service Analysis Cause RemedyWill Not Than NormallyHeating Service Analysis Subcooler Service AnalysisProblem Cause MoistureMi$er TM DehumidificationMotor Fault Er LOC.rsOFF ValveEconoMi$erlV Input/Output Logic InputsDCV OutputsIndex Service Training Page RETURN-AIR Temperature Model no Serial no DateSupply Voltage Compressor Amps Supply FAN Amps Exhaust FAN Amps

48TJ016-028 specifications

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