Example 7 Ð SERVICE1 Display Screen | Carrier 19XL guide

Table 2 Ð LID Screens (cont)

EXAMPLE 7 Ð SERVICE1 DISPLAY SCREEN

To access this display from the LID default screen:

1.Press MENU .

2.Press SERVICE .

3.Scroll down to highlight EQUIPMENT SERVICE.

4.Press SELECT .

5.Scroll down to highlight SERVICE1.

6.Press SELECT .

DESCRIPTION

CONFIGURABLE RANGE

UNITS

REFERENCE POINT NAME

DEFAULT VALUE

Motor Temp Override

150-200 (66-93)

DEG F (DEG C)

mt

over

200 (93)

Cond Press Override

150-245 (1034-1689)

PSI (kPa)

cp

over

195 (1345) [125 (862)]

[90-200 (620-1379)]

Refrig Override Delta T

2-5 (1-3)

DEG F (DEG C)

ref

over

3D (1.6D)

Chilled Medium

Water/Brine

medium

WATER

Brine Refrig Trippoint

8-40 (±13.3-4)

DEG F (DEG C)

br

trip

33 (1)

Compr Discharge Alert

125-200 (52-93)

DEG F (DEG C)

cd

alert

200 (93)

Bearing Temp Alert

175-185 (79-85)

DEG F (DEG C)

tb

alert

175 (79)

Water Flow Verify Time

0.5-5

MIN

w¯ow

t

5

Oil Press Verify Time

15-300

SEC

oilpr

t

15

Water/Brine Deadband

0.5-2.0 (0.3-1.1)

DEG F (DEG C)

cw

db

1.0 (0.6)

Recycle Restart Delta T

2.0-10.0 (1.1-5.6)

DEG F (DEG C)

rcyc

dt

5 (2.8)

Recycle Shutdown Delta T

0.5-4.0 (0.27-2.2)

DDEG F (DDEG C)

rcycs

dt

1.0 (0.6)

Surge Limit/HGBP Option

0/1

srg

hgbp

0

Select: Surge=0, HGBP=1

Surge/HGBP Delta T1

0.5-15 (0.3-8.3)

DEG F (DEG C)

hgb

dt1

1.5 (0.8)

Surge/HGBP Delta P1

50-170 (345-1172)

PSI (kPA)

hgb

dp1

75 (517) [50 (345)]

[30-170 (207-1172)]

Min. Load Points (T1/P1)

Surge/HGBP Delta T2

0.5-15 (0.3-8.3)

DEG F (DEG C)

hgb

dt2

10 (5.6)

Surge/HGBP Delta P2

50-170 (345-1172)

PSI (kPa)

hgb

dp2

170 (1172) [85 (586)]

[30-170 (207-1172)]

Full Load Points (T2/P2)

Surge/HGBP Deadband

1-3 (0.6-1.6)

DEG F (DEG C)

hgb

dp

1 (0.6)

Surge Delta Percent Amps

10-50

%

surge

a

25

Surge Time Period

1-5

MIN

surge

t

2

Demand Limit Source

0/1

dem

src

0

Select: Amps=0, Load=1

Amps Correction Factor

1-8

corfact

3

Motor Rated Load Amps

1-9999

AMPS

a

fs

200

Motor Rated Line Voltage

1-9999

VOLTS

v

fs

460

Meter Rated Line kW

1-9999

kW

kw

fs

600

Line Frequency

0/1

HZ

freq

0

Select: 0=60 Hz, 1=50 Hz

Compr Starter Type

REDUCE/FULL

starter

REDUCE

Condenser Freeze Point

±20-35 (±28.9-1.7)

DEG F (DEG C)

cdfreeze

34 (1)

Soft Stop Amps Threshold

40-100

%

softstop

100

NOTES:

1.Condenser Freeze Point and Softstop Amps Threshold are only selectable/readable on PSIO Software Versions 09 and higher.

2.Values in [ ] indicate HFC-134a values.

3.D = delta degrees.

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Image 24

Carrier 19XL specifications Example 7 Ð SERVICE1 Display Screen

19XL specifications

The Carrier 19XL is a highly regarded commercial heating and cooling solution, designed to provide optimum performance and energy efficiency in various applications. This rooftop unit is engineered to meet the diverse needs of businesses, making it an ideal choice for those requiring reliable climate control in their facilities.

One of the standout features of the Carrier 19XL is its advanced cooling and heating capabilities. The unit utilizes a high-efficiency scroll compressor that ensures a quieter operation and improved reliability. The system can operate across a wide range of temperatures, making it versatile for various climates. Additionally, it offers both cooling and heating options, allowing for year-round comfort.

Energy efficiency is a focal point of the 19XL design. With an impressive Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF), this unit not only helps reduce energy costs but also supports environmental sustainability initiatives. The unit is equipped with environmentally friendly refrigerants, further contributing to lower greenhouse gas emissions.

The Carrier 19XL features a user-friendly control system, allowing for easy monitoring and management of the unit's performance. This control system is designed to maximize energy savings, offering features such as demand control ventilation and integrated economizers that facilitate the use of outdoor air for cooling, reducing reliance on mechanical systems when conditions allow.

Construction-wise, the Carrier 19XL is built to withstand tough environmental conditions. Its robust cabinet is made from galvanized steel, providing durability and protection against the elements. The design also includes insulation to minimize noise levels, creating a more comfortable indoor environment.

Maintenance is a key consideration in the design of the 19XL. The unit features accessible service ports and a simplified access panel, allowing technicians to perform routine maintenance with ease. This proactive design helps ensure the longevity of the system and minimizes downtime, keeping operations running smoothly.

In summary, the Carrier 19XL is an exceptional choice for commercial heating and cooling needs. With its energy-efficient features, advanced technology, and durable construction, it stands out as a reliable solution for businesses looking for sustainable climate control options.

Contents

Start-Up, Operation, and Maintenance Instructions Safety Considerations Contents Contents Introduction Abbreviations and Explanations Chiller Familiarization Refrigeration CycleMOTOR/OIL Refrigeration Cooling Cycle 19XL Rear View Take-Apart Rabbet Fit Connector Cooler In/Out Temperature SensorsCondenser In/Out Temperature Sensors Cooler Pressure Schrader Fitting Lubrication Cycle Refrigerant Motor Cooling and Oil Cooling Cycles Lubrication System Starting Equipment Unit-Mounted Solid-State Starter Optional Denitions ControlsMajor PIC Components Panel Locations PIC Component Panel 19XL Controls and Sensor Locations Pressure Transducer, Typical Power Panel with Options Control and OIL Heater Voltage Selector S1 LID Operation and Menus Fig GeneralSelect − Example of Point Status Screen Status01 Override Operations Example of Time Schedule Operation Screen 19XL Menu Structure 19XL Service Menu Structure 19XL Service Menu Structure Setpoint Example of Set Point Screen Description Range Units Reference Point Name Alarm History LID ScreensExample 1 Ð STATUS01 Display Screen Menu Status Select Example 2 Ð STATUS02 Display Screen Example 3 Ð STATUS03 Display ScreenExample 4 Ð Setpoint Display Screen Menu Example 5 Ð Configuration Config Display Screen Example 6 Ð LEAD/LAG Configuration Display ScreenECW Control Option ICE Build Termination Example 7 Ð SERVICE1 Display Screen Example 8 Ð SERVICE2 Display Screen Spare Alert EnableExample 9 Ð SERVICE3 Display Screen Menu Service Example 10 Ð Maintenance MAINT01 Display Screen Example 11 Ð Maintenance MAINT02 Display ScreenDischarge Temperature Bearing Temperature Example 12 Ð Maintenance MAINT03 Display Screen Example 13 Ð Maintenance MAINT04 Display ScreenDescription RANGE/STATUS Units Reference Point Name PIC System Functions Page Protective Safety Limits and Control Settings Capacity Overrides Page Page Lead/Lag Control ECWHgbp Hot Gas BypassPage Ice Build Control Cent CapacityPage Example of Attach to Network Device Screen To LOG on START-UP/SHUTDOWN/RECYCLE Sequence Fig Recycle Restart Delta T Using the Optional Storage Tank and Pumpout Before Initial START-UPJob Data Required Equipment Required 19XL Leak Test Procedures Page Ð HCFC-22 Pressure Ð Temperature F Ð HCFC-22 Pressure Ð Temperature C Ð HFC-134a Pressure Ð Temperature F Ð HFC-134a Pressure Ð Temperature CTemperature Pressure Page Inspect Wiring Check Optional Pumpout Compressor Water Pip Check Starter MECHANICAL-TYPE Starters Benshaw, Inc. Solid-State Starter Power Stack BENSHAW, INC. SOLID-STATE Starter Power Up the Controls and Check the Oil Heater Set Up Chiller Control Conguration Load Surge Prevention Occurs TOO Soon Occurs TOO Late Amps Correction Factors For 19XL Motors Volt Motor Code Charge Refrigerant into Chiller 19XL Chiller Equalization Without PUMP- OUT UnitControl Test Menu Functions Tests to be Devices Tested Performed Refrigerant Charges 19XL Total Refrigerant ChargeCooler Size Initial START-UP Dry Run to Test Start-Up SequenceCheck Rotation Check Oil Pressure and Compressor Stop Calibrate Motor CurrentOperating Instructions Operator Duties To Stop the Chiller Plant Pumpout and Refrigerant Transfer Procedures Operating the Optional Pumpout CompressorTransfer Refrigerant from Storage Tank to Chiller Tstat Chillers with Isolation Valves Transfer the Refrigerant from Chiller to Storage Tank General Maintenance Test After Service, Repair, or Major Leak Ð IfReturn Refrigerant to Normal Operating Conditions Weekly Maintenance Guide Vane Actuator Linkage Scheduled Maintenance Check Safety and Operating Controls MonthlyTo Change the OIL Compressor Bearing and Gear Mainten Inspect the Heat Exchanger Tubes Optional Pumpout System Controls Troubleshooting Guide MAINT01 MAINT02MAINT03 MAINT04 Shutdown with ON/OFF/RESET-OFF Timing OUT or Timed OUT Recycle Shutdown Normal or AUTO.-RESTARTAutorestart in Progress LOW Chilled Water Normal RUN with RESET, TEMPERATURE, or Demand Compressor Jumpstart and Refrigerant Protection Normal RUN Overrides Active Alerts OUT-OF-RANGE Sensor FailuresLimited Chiller Protect Limit Faults Protective Limit Chiller Alerts Spare Sensor Alert Messages Other PROBLEMS/MALFUNCTIONS DESCRIPTION/MALFUNCTION Probable CAUSE/REMEDY Ð Thermistor Temperature F vs Resistance/Voltage Drop Temperature Voltage Resistance Drop Ð Thermistor Temperature C vs Resistance/Voltage Drop Control Modules Module AddressInput Options Module Starter Management Module SMM Fig Processor Module Psio FigOptions Module Installation Switch Options Setting Module Typical Benshaw, Inc. Solid-State Starter internal View Page Page Benshaw, Inc. Solid-State Starter Troubleshooting Guide Problem Probable Causes Area of CorrectionRV1 SCR Heat Exchanger Data Additional Data for Marine WaterboxesCooler Condenser Waterbox Cover Weights CoolersCondensers 1034 kPa Compressor/Motor Weights Compressor WeightsOptional Pumpout System Electrical Data Compressor Fits and Clearances Compressor Assembly Torques Description TorqueFt-lb ``Z CLR COMComm EXTPage CLR Page Chiller Power Panel, Starter Assembly Motor Wiring Schematic Chiller Power Panel, Starter Assembly Motor Wiring Schematic PMR POTGFR HPS Typical Wye-Delta Unit Mounted Starter Wiring Schematic Index Index Copyright 1996 Carrier Corporation