Carrier 39L specifications Test of Input Signals, Keyboard Display COMMENTS/ACTION Entry Response

Page 104

 

 

Table 18 Ð Test of Input Signals

 

 

 

KEYBOARD

DISPLAY

COMMENTS/ACTION

ENTRY

RESPONSE

 

 

INPUTS

Field testing of inputs (X = current value. All temperatures should be 6 2 degrees F from actual)

 

SAT X

Verify that the supply-air temperature sensor reading agrees with the actual temperature.

 

OAT X

Verify that the outdoor-air temperature sensor reading agrees with the actual temperature.

 

SPT X

Verify that the space temperature sensor reading agrees with the actual temperature.

 

RAT X

Verify that the return-air temperature sensor reading agrees with the actual temperature.

 

ENT X

Verify proper enthalpy reading. Move the knob on the enthalpy switch from A to D (or D to A) and verify that

 

the display readout changes.

 

 

 

SFS OFF

Verify that the supply fan status is OFF when the supply fan is OFF.

 

SFS ON

Verify that the supply fan status is ON when the supply fan is ON. (Unit may be started by placing the HOA

 

switch in the HAND position.)

 

 

 

FRZ NRM

Verify that the low limit thermostat reads Normal. If not, reset the low limit thermostat.

 

SP 0.0

Verify that the static pressure reads 0.0 in. wg with the fan OFF and HOA switch set at OFF (VAV units).

 

 

 

Listed below are steps which must be used to verify different options. If the unit is not equipped with MAT, RH, OARH, or FLTS, proceed with the testing of the inputs to the Option Module. If the unit is equipped with any of these options, proceed with their respective testing as follows. If

an option is not present, press for the next available option.

RH XX

MAT X

OARH XX

FLTS NRM

Verify that the relative humidity reading agrees with the actual relative humidity, checked with the local weather bureau.

Verify that the mixed-air temperature sensor reading agrees with the actual temperature.

Verify that the outdoor-air relative humidity reading agrees with the actual relative humidity, checked with the local weather bureau.

Verify that the ®lter status reads Normal.

Listed below are steps which must be used to verify the inputs to the Option Module. If the unit is not equipped with the Option Module, proceed with the testing of the outputs (Table 19). If the unit is equipped with the Option Module, proceed with the testing as follows. If an option

is not present, press for the next available option.

 

TEMP X

Verify that the temperature sensor reading agrees with the actual temperature measured.

 

RVP X

Verify that the return velocity pressure is 0 with the return fan OFF.

 

SVP X

Verify that the supply velocity pressure is 0 with the supply fan OFF.

 

DHH NRM

Verify that the duct high humidity switch reads Normal when the adjustment knob is set to the maximum set

 

point or contacts are open. Verify that it reads ALM when contacts are shorted.

 

 

 

EVAC NRM

At Terminal Block 3, short Terminals 5 and 8. Verify that the display changes to EVAC ALM. Verify the

 

 

following:

 

 

·

Supply fan is OFF

 

 

·

Outside and return dampers (if applicable) close

 

 

·

Exhaust damper (if applicable) opens

 

 

·

Return fan starts

 

 

·

Supply fan inlet guide vanes close (VAV units only)

 

 

·

Return fan inlet guide vanes open (VAV units equipped with return fans)

 

 

·

Heat interlock Relay is OFF (VAV units)

 

PRES NRM

At Terminal Block 3, short Terminals 3 and 8. Verify that the display changes to PRES ALM. Verify the

 

 

following:

 

 

·

Supply fan is ON

 

 

·

Outside air damper (if applicable) opens

 

 

·

Exhaust and return dampers (if applicable) close

 

 

·

Return fan stops

 

 

·

Supply fan inlet guide vanes open (VAV units)

 

 

·

Return fan IGVs close (VAV units equipped with return fan)

 

 

·

Heat Interlock Relay is ON (VAV units)

 

PURG NRM

At Terminal Block 3, short Terminals 4 and 8. Verify that the display changes to PURG ALM. Verify the

 

 

following:

 

 

·

Supply fan is ON

 

 

·

Outside air and exhaust dampers (if applicable) open

 

 

·

Return damper (if applicable) closes

 

 

·

Return fan is ON

 

 

·

Supply fan IGVs open (VAV units)

 

 

·

Return fan IGVs open (VAV units equipped with return fan)

 

 

·

Heat Interlock Relay is ON (VAV units)

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Contents Installation, Operation, Start-Up Instructions ContentsGeneral Safety ConsiderationsInstallation Page ABX IGVPIC VAVDirect Expansion FMB Ð Filter Mixing BoxMXB Ð Mixing Box Normally ClosedControl Box for Remote Mounting AFS AotcAQ1 AQ2PIC Section Control Box Component Arrangements, 39L PIC Section Control Box Component Arrangement, 39NX Sizes PIC Section Control Box Component Arrangement, 39NX Sizes Page Input and Output Points AddressUnit 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 Junction Box Connections for Optional Remote Control Box Terminal SignalValve Assembly Typical Hot Water Valve Wiring Chilled Water Valve Wiring Duct Static Pressure ProbeNema Ð National Electrical Manufacturers Association Resistance Temperature OhmsMixed-Air Temperature Sensor HH79NZ021 Installation Enthalpy Control Settings Supply/Return Air Temperature Sensor HH79NZ019COI L Comno Wall-Mounted Relative Humidity Sensor Fig Duct-Mounted Relative Humidity Sensor Locations Air¯ow Switch P/N HK06WC030 CO2 Sensor Accessories CGCDXSEN002A00CGCDXSEN003A00 CGCDXGAS001A00Air Quality CO2 Sensor Wall Mount Version Shown CO2 Concentration PPMOAC Pressure Transducers Recommended Sensor Device Wiring Manufacturer Part NumberProcessor Sensor Module PIN noField Wiring of Sensors Recommended Actuators StrokeField-Supplied Mixing Box Actuator Signal Wiring HAND/OFF/AUTO Switch Tran Ð Transformer High-Pressure Switch Remove JumperEvacuation Supply Fan Contactor Fire Shut Down Terminal BlockPres 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 Pulse-Type Meter Wiring Control SystemCCN Communication Wiring AHU Air Handling UnitRelay Module Outdoor Air ThermostatOperative USE Keys Local Interface Device Key UsageFunction USE Keys Status History Schedule Service Set Point Test Functions and SubfunctionsSUB Function Number OavpControl Operation Operation Keyboard Display Description EntryKeyboard Directory StatusInputs VAV Direct Expansion Oavp Ð Outside Air Velocity Pressure AIRQUAL1 SET Point Quick Test History Keyboard Display Comments Entry Response Example 1 Ð Reading Alarm CodesExample 2 Ð Reading Current Operating Modes Alarms Display CodesForce States Display DescriptionState of Items Controlled Example 3 Ð Forcing An Input ValueExample 4 Ð Forcing An Output Value Relay StagesExample 5 Ð Using Quick Test Example 6 Ð Logging On and Logging Off Service FunctionKeyboard Display Comments Entry Response To LOG on To LOG OFFService Conguration Ranges and Defaults Analog Output Temperature Control Example 9 Ð User Congurations Example 7 Ð Reading and Changing Factory CongurationsExample 8 Ð Conguration of Measurements Example 12 Ð Conguration of Loadshed Example 11 Ð Conguration of Space Temperature ResetExample 10 Ð Conguration of Heating Coil Example 13 Ð Conguration of Fan Tracking Example 14 Ð Conguration of Alarm LimitsExample 15 Ð Conguration of Analog Temperature Control Example 16 Ð Conguration of Discrete Temperature Control Example 17 Ð Service History CongurationExample 18 Ð Service/Maintenance Alarm Conguration Set Point Ranges and DefaultsExample 20 Ð Reading and Changing System Set Points Example 21 Ð Setting of Time and DateExample 22 Ð Setting Daylight Savings Time Example 23 Ð Setting of Holidays Schedule I Sample Time SchedulePeriod 1 Dene schedule period Example 24 Ð Using the Schedule FunctionKeyboard Display Comment Entry Response Programming Period For this example, Period 6 is used for holiday only Constant Volume and Variable Air Volume Units Control Operating SequencePage Page MAT Ð Mixed-Air Temperature OAT Ð Outdoor-Air TemperatureIAQ Indoor-Air QualityConstant Volume Units Only CCV Ð Cooling Coil Valve RAT Ð Return-AirDX Submaster Gain Control Operation Variable Air Volume Units Only Page Outside Air OACConstant Outside Air Oavp Ð Outside Air Velocity Pressure102 START-UP Initial CheckTest of Input Signals Keyboard Display COMMENTS/ACTION Entry ResponseKeyboard Display COMMENTS/ACTION Entry Response FSD NRM FollowingTest of Output Signals For Variable Air Volume UnitsTest of Output Options Using Option Module Electric Heater TestControl Loop Checkout Direct Expansion DX Cooling TestDigital DC Volt Meter vs DC Milliamp Meter DC Milliamps DC VoltageValve Troubleshooting Recommended Gain Starting ValvesTypical Linkages Example 25 Ð Forcing An OutputIGV % HCV 10/FORCEDExit Test Control Module TroubleshootingExample 26 Ð Heating Coil Valve Test Way Normally Open Dsio Unit Troubleshooting Problem Possible Cause Corrective ActionHCV, CCV, IGV Malfunctioning IAQ featuresOAC malfunctioning 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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