Carrier 39L specifications Example 16 Ð Conguration of Discrete Temperature Control

Page 87

Example 16 Ð Con®guration of Discrete

Temperature Control

KEYBOARD

DISPLAY

COMMENTS

ENTRY

RESPONSE

 

 

DO CTRL

Discrete temperature control

 

 

con®guration subfunction of

 

 

service function

 

SEN 1

Controlling temperature sensor

 

 

con®gured to sensor 1. Sensor

 

 

codes as follows:

 

 

1 - Supply-air temperature sensor

 

 

(standard)

 

 

2 - Outdoor-air temperature

 

 

sensor (standard)

 

 

3 - Mixed-air temperature sensor

 

 

(optional)

 

 

6 - Space temperature sensor

 

 

(standard)

 

 

7 - Return-air temperature

 

 

(standard)

 

 

34 - Other optional sensors

 

SEN 34

Controlling temperature sensor is

 

 

34, where sensor 34 is one of

 

 

2 optional sensor types

 

 

(space temperature sensor or

 

 

duct temperature sensor)

 

 

Discrete output control logic

 

TYP 0

(0 = normal logic, 1 = reverse

 

 

logic)

Ð Used to read service history. See Example 17.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Used to read or change ®eld con®guration

of service maintenance alarm duration and to read elapsed time. See Example 18.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Used to read timed override history. See Example 19.

NOTE: The key is used to enable or turn on certain functions; the CLR key is used to disable these functions.

The key may also be used to disable the functions.

SET POINT FUNCTION Ð Set points are entered through the keyboard. Set points can be changed within the upper and lower limits, which are ®xed. See Table 17.

Example 17 Ð Service History Con®guration

KEYBOARD

DISPLAY

COMMENTS

ENTRY

RESPONSE

 

 

SERVHIST

Service history con®guration

 

subfunction of service function

 

 

 

SDAY 2

The unit had 2 starts within the

 

last 24 hours

 

 

 

ST 20

The unit had a total of 20 starts

 

since the unit was manufactured

 

 

 

FH 240

The fan has run for 240 hours

 

since unit manufacture.

 

 

 

4.06.30

The unit was last started on

 

Thursday at 6:30 am

 

 

 

4.19.00

The unit was last stopped on

 

Thursday at 7:00 pm

 

 

Example 18 Ð Service/Maintenance

Alarm Con®guration

KEYBOARD

DISPLAY

COMMENTS

ENTRY

RESPONSE

 

 

SRV/MTN

Service/Maintenance alarm

 

 

con®guration subfunction of

 

 

service function

 

SMAL 2

Service/Maintenance alarm

 

limit is 2000 hrs (hours x 1000)

 

 

 

SMAL 5

Service/Maintenance alarm

 

 

limit is changed to 5000 hrs (This

 

 

represents the cumulative number

 

 

of hours the fan must be energized

 

 

before a service/maintenance alarm

 

 

is generated)

 

 

(NOTE: Entering a . disables the

 

 

alarm function)

 

SMEH 3

Service/Maintenance elapsed

 

 

hours is 3000 (This is the amount of

 

 

time elapsed from the start of the

 

 

service/maintenance alarm interval)

Example 19 Ð Timed Override History

KEYBOARD

DISPLAY

COMMENTS

ENTRY

RESPONSE

 

 

OVRDHIST

Timed override history

 

subfunction of service function

 

 

 

OHR 3

Within the current 24 hour period

 

 

(beginning at midnight), the unit

 

 

operated for 3 hours in the timed

 

 

override mode (mode 39)

Ð Displays system set points. See Table 13 for sequence of set points.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Displays demand limit set points.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Displays time of day and day of week.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Displays Daylight Savings Time.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ð Displays holidays (month, day, and duration).

Table 17 Ð Set Point Ranges and Defaults

SET POINT

ALLOWABLE

DEFAULT

RANGE

 

 

Occupied Heating Set Point (F)

40 to 90

68

Occupied Cooling Set Point (F)

45 to 99

78

Unoccupied Heating Set Point (F)

40 to 90

55

Unoccupied Cooling Set Point (F)

70 to 99

90

Static Pressure

0 to 5.0

1.5

Set Point (in. wg)

 

 

Supply-Air Temperature

35 to 65

55

Set Point (F)

 

 

Delta CFM Set Point

0 to 250

0

Humidity Set Point (%)

0 to 100

40

Analog Temperature

40 to 100

40

Control Set Point (F)

 

 

Discrete Temperature

−40 to 245

0

Control Set Point (F)

 

 

Air Quality Sensor 1

0 to 2000

650

Set Point (ppm)

 

 

Air Quality Sensor 2

0 to 2000

650

Set Point (ppm)

 

 

Outside Air Velocity Pressure

0.0 to 5.0

0.08

Set Point (in. wg)

 

 

87

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Contents Contents Installation, Operation, Start-Up InstructionsSafety Considerations InstallationGeneral Page VAV ABXIGV PICNormally Closed Direct ExpansionFMB Ð Filter Mixing Box MXB Ð Mixing BoxControl Box for Remote Mounting AQ2 AFSAotc AQ1PIC Section Control Box Component Arrangements, 39L PIC Section Control Box Component Arrangement, 39NX Sizes PIC Section Control Box Component Arrangement, 39NX Sizes Page Address Input and Output PointsUnit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39L Sizes 03-35 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 07-21 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Unit Wiring Schematic, 39NX Sizes 26-92 115 v, Typical Page Page Page Page Page Page Terminal Signal Junction Box Connections for Optional Remote Control BoxValve Assembly Typical Hot Water Valve Wiring Duct Static Pressure Probe Chilled Water Valve WiringNema Ð National Electrical Manufacturers Association Ohms Resistance TemperatureMixed-Air Temperature Sensor HH79NZ021 Installation Supply/Return Air Temperature Sensor HH79NZ019 Enthalpy Control SettingsCOI L Comno Wall-Mounted Relative Humidity Sensor Fig Duct-Mounted Relative Humidity Sensor Locations Air¯ow Switch P/N HK06WC030 CGCDXGAS001A00 CO2 Sensor AccessoriesCGCDXSEN002A00 CGCDXSEN003A00CO2 Concentration PPM Air Quality CO2 Sensor Wall Mount Version ShownOAC Pressure Transducers Sensor Module PIN no Recommended Sensor Device WiringManufacturer Part Number ProcessorField Wiring of Sensors Stroke Recommended ActuatorsField-Supplied Mixing Box Actuator Signal Wiring Fire Shut Down Terminal Block HAND/OFF/AUTO Switch Tran Ð TransformerHigh-Pressure Switch Remove Jumper Evacuation Supply Fan ContactorPres Single-Pole, Double-Throw Spdt Relay Wiring of Device Under Discrete Output Temperature Control Wiring of Two-Stage Humidication Control Relays Duct Mounted Relative Humidity Transmitter Wiring Air Quality and Oavp Sensor Wiring Wiring of Return Fan Volume Control With IGVs Control System Pulse-Type Meter WiringCCN Communication Wiring Outdoor Air Thermostat AHUAir Handling Unit Relay ModuleLocal Interface Device Key Usage Function USE KeysOperative USE Keys Oavp Status History Schedule Service Set Point TestFunctions and Subfunctions SUB Function NumberOperation Keyboard Display Description Entry Control OperationStatus Keyboard DirectoryInputs VAV Direct Expansion Oavp Ð Outside Air Velocity Pressure AIRQUAL1 SET Point Quick Test History Example 1 Ð Reading Alarm Codes Example 2 Ð Reading Current Operating ModesKeyboard Display Comments Entry Response Display Description AlarmsDisplay Codes Force StatesRelay Stages State of Items ControlledExample 3 Ð Forcing An Input Value Example 4 Ð Forcing An Output ValueTo LOG OFF Example 5 Ð Using Quick TestExample 6 Ð Logging On and Logging Off Service Function Keyboard Display Comments Entry Response To LOG onService Conguration Ranges and Defaults Analog Output Temperature Control Example 7 Ð Reading and Changing Factory Congurations Example 8 Ð Conguration of MeasurementsExample 9 Ð User Congurations Example 11 Ð Conguration of Space Temperature Reset Example 10 Ð Conguration of Heating CoilExample 12 Ð Conguration of Loadshed Example 14 Ð Conguration of Alarm Limits Example 15 Ð Conguration of Analog Temperature ControlExample 13 Ð Conguration of Fan Tracking Set Point Ranges and Defaults Example 16 Ð Conguration of Discrete Temperature ControlExample 17 Ð Service History Conguration Example 18 Ð Service/Maintenance Alarm CongurationExample 21 Ð Setting of Time and Date Example 22 Ð Setting Daylight Savings TimeExample 20 Ð Reading and Changing System Set Points Schedule I Sample Time Schedule Example 23 Ð Setting of HolidaysExample 24 Ð Using the Schedule Function Keyboard Display Comment Entry Response Programming PeriodPeriod 1 Dene schedule period For this example, Period 6 is used for holiday only Control Operating Sequence Constant Volume and Variable Air Volume UnitsPage Page Indoor-Air Quality MAT Ð Mixed-Air TemperatureOAT Ð Outdoor-Air Temperature IAQConstant Volume Units Only RAT Ð Return-Air CCV Ð Cooling Coil ValveDX Submaster Gain Control Operation Variable Air Volume Units Only Page Oavp Ð Outside Air Velocity Pressure Outside AirOAC Constant Outside Air102 Initial Check START-UPKeyboard Display COMMENTS/ACTION Entry Response Test of Input SignalsFollowing Keyboard Display COMMENTS/ACTION Entry Response FSD NRMFor Variable Air Volume Units Test of Output SignalsElectric Heater Test Test of Output Options Using Option ModuleDC Milliamps DC Voltage Control Loop CheckoutDirect Expansion DX Cooling Test Digital DC Volt Meter vs DC Milliamp MeterRecommended Gain Starting Valves Valve TroubleshootingHCV 10/FORCED Typical LinkagesExample 25 Ð Forcing An Output IGV %Control Module Troubleshooting Example 26 Ð Heating Coil Valve Test Way Normally OpenExit Test Dsio Problem Possible Cause Corrective Action Unit TroubleshootingHCV, CCV, IGV IAQ features OAC malfunctioningMalfunctioning Metric Conversion Chart

39L specifications

The Carrier 39L is a cutting-edge air conditioning unit designed for both residential and commercial applications, providing exceptional cooling and heating performance. Equipped with advanced technologies, this system ensures optimal climate control while maintaining energy efficiency.

One of the standout features of the Carrier 39L is its inverter technology. This innovation allows the system to adjust its compressor speed based on the ambient temperature, which results in a significant reduction in energy consumption. By operating at varying capacities rather than a fixed output, the 39L can maintain a consistent temperature, enhancing comfort while lowering electricity bills.

The Carrier 39L also includes a high-efficiency air filtration system, designed to capture dust, allergens, and other airborne particles. This not only improves indoor air quality but also promotes a healthier living environment. The filtration system is complemented by anti-bacterial treatment, ensuring that the air circulated within your space is both clean and refreshing.

In terms of design, the Carrier 39L boasts a sleek and compact form factor, making it easy to integrate into various settings, from homes to offices. Its quiet operation is another notable feature, as it minimizes noise levels, allowing occupants to enjoy a serene atmosphere without disruptive sound.

Further enhancing convenience, the Carrier 39L comes equipped with smart connectivity options. Users can control the unit remotely via a smartphone app, making it easy to adjust settings, program schedules, and monitor energy usage from anywhere. This feature not only improves user experience but also supports energy-saving practices.

Durability is also a key characteristic of the Carrier 39L. Constructed with high-quality materials and coated with corrosion-resistant treatments, the unit is built to withstand various environmental conditions. This ensures long-lasting performance and reduces the need for frequent maintenance.

Overall, the Carrier 39L is a versatile, efficient, and user-friendly air conditioning solution. Its blend of advanced technologies, energy-saving capabilities, and robust design makes it an ideal choice for those seeking reliable climate control in their spaces. Whether for residential comfort or commercial necessity, the Carrier 39L stands out as a leader in modern air conditioning.
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