Carrier 19XL specifications Example 5 Ð Configuration Config Display Screen, ECW Control Option

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Table 2 Ð LID Screens (cont)

EXAMPLE 5 Ð CONFIGURATION (CONFIG) DISPLAY SCREEN

To access this display from the LID default screen:

1.Press MENU .

2.Press SERVICE .

3.Scroll down to highlight EQUIPMENT CONFIGURATION.

4.Press SELECT .

5.Scroll down to highlight CONFIG.

6.Press SELECT .

DESCRIPTION

CONFIGURABLE RANGE

UNITS

REFERENCE POINT NAME

DEFAULT VALUE

RESET TYPE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Degrees Reset at 20 mA

±30-30 (±17-17)

DEG F (DEG C)

deg

 

 

 

 

 

 

 

 

 

20ma

10D(6D)

 

 

 

 

 

 

 

 

RESET TYPE 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote Temp (No Reset)

±40-245 (±40-118)

DEG F (DEG C)

res

 

 

 

 

 

 

 

 

rt1

85 (29)

Remote Temp (Full Reset)

±40-245 (±40-118)

DEG F (DEG C)

res

 

 

 

 

 

 

 

 

rt2

65 (18)

Degrees Reset

±30-30 (±17-17)

DEG F (DEG C)

res

 

 

 

 

 

 

 

 

 

rt

10D(6D)

 

 

 

 

 

 

 

 

 

RESET TYPE 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHW Delta T (No Reset)

0-15 (0-8)

DEG F (DEG C)

restd

 

 

 

 

 

1

10D(6D)

CHW Delta T (Full Reset)

0-15 (0-8)

DEG F (DEG C)

restd

 

 

 

 

 

2

0D(0D)

Degrees Reset

±30-30 (±17-17)

DEG F (DEG C)

deg

 

 

 

 

 

 

 

chw

5D(3D)

 

 

 

 

 

 

Select/Enable Reset Type

0-3

 

res

 

 

 

 

 

 

sel

0

 

 

 

 

 

 

 

ECW CONTROL OPTION

DISABLE/ENABLE

 

ecw

 

 

 

 

 

 

opt

DISABLE

Demand Limit At 20 mA

40-100

%

dem

 

 

 

 

 

 

20ma

40

20 mA Demand Limit Option

DISABLE/ENABLE

 

dem

 

 

 

 

 

 

sel

DISABLE

 

 

 

 

 

 

 

Auto Restart Option

DISABLE/ENABLE

 

astart

DISABLE

Remote Contacts Option

DISABLE/ENABLE

 

r

 

 

contact

DISABLE

 

 

 

Temp Pulldown Deg/Min

2-10

 

tmp

 

 

 

 

 

ramp

3

Load Pulldown %/Min

5-20

 

kw

 

 

ramp

10

Select Ramp Type:

0/1

 

ramp

 

 

 

 

 

 

opt

1

Temp = 0, Load = 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loadshed Group Number

0-99

 

ldsgrp

0

Loadshed Demand Delta

0-60

%

ldsdelta

20

Maximum Loadshed Time

0-120

MIN

maxldstm

60

CCN Occupancy Con®g:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Schedule Number

3-99

 

occpcxxe

3

Broadcast Option

DISABLE/ENABLE

 

occbrcst

DISABLE

ICE BUILD Option

DISABLE/ENABLE

 

ibopt

 

 

 

 

 

 

 

DISABLE

ICE BUILD TERMINATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 =Temp, 1 =Contacts, 2 =Both

0-2

 

ibterm

0

ICE BUILD Recycle Option

DISABLE/ENABLE

 

ibrecyc

DISABLE

NOTE: D = delta degrees.

EXAMPLE 6 Ð LEAD/LAG CONFIGURATION DISPLAY SCREEN

To access this display from the LID default screen:

1.Press MENU .

2.Press SERVICE .

3.Scroll down to highlight EQUIPMENT CONFIGURATION.

4.Press SELECT .

5.Scroll down to highlight Lead/Lag.

6.Press SELECT .

LEAD/LAG CONFIGURATION SCREEN

DESCRIPTION

CONFIGURABLE RANGE

UNITS

REFERENCE POINT NAME

DEFAULT VALUE

LEAD/LAG SELECT

 

 

 

 

 

 

 

 

 

DISABLE =0, LEAD =1,

0-3

 

leadlag

0

LAG =2, STANDBY =3

 

 

 

 

 

 

 

 

 

Load Balance Option

DISABLE/ENABLE

 

loadbal

DISABLE

Common Sensor Option

DISABLE/ENABLE

 

commsens

DISABLE

LAG Percent Capacity

25-75

%

lag

 

 

 

per

50

 

 

 

LAG Address

1-236

 

lag

 

 

 

add

92

 

 

 

LAG START Timer

2-60

MIN

lagstart

10

LAG STOP Timer

2-60

MIN

lagstop

10

PRESTART FAULT Timer

0-30

MIN

pre¯t

 

 

5

STANDBY Chiller Option

DISABLE/ENABLE

 

stndopt

DISABLE

STANDBY Percent Capacity

25-75

%

stnd

 

 

per

50

 

 

STANDBY Address

1-236

 

stnd

 

 

add

93

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: The Lead/Lag Con®guration table is available on PSIO Software Version 09 and higher.

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Contents Safety Considerations Start-Up, Operation, and Maintenance InstructionsContents Contents Abbreviations and Explanations IntroductionMOTOR/OIL Refrigeration Cooling Cycle Chiller FamiliarizationRefrigeration Cycle 19XL Rear View Cooler Pressure Schrader Fitting Take-Apart Rabbet Fit ConnectorCooler In/Out Temperature Sensors Condenser In/Out Temperature SensorsRefrigerant Motor Cooling and Oil Cooling Cycles Lubrication CycleLubrication System Unit-Mounted Solid-State Starter Optional Starting EquipmentPIC Component Panel DenitionsControls Major PIC Components Panel LocationsPressure Transducer, Typical 19XL Controls and Sensor LocationsControl and OIL Heater Voltage Selector S1 Power Panel with OptionsSelect LID Operation and Menus FigGeneral Override Operations − Example of Point Status Screen Status01Example of Time Schedule Operation Screen 19XL Menu Structure 19XL Service Menu Structure 19XL Service Menu Structure Example of Set Point Screen SetpointMenu Status Select Description Range Units Reference Point Name Alarm HistoryLID Screens Example 1 Ð STATUS01 Display ScreenMenu Example 2 Ð STATUS02 Display ScreenExample 3 Ð STATUS03 Display Screen Example 4 Ð Setpoint Display ScreenICE Build Termination Example 5 Ð Configuration Config Display ScreenExample 6 Ð LEAD/LAG Configuration Display Screen ECW Control OptionExample 7 Ð SERVICE1 Display Screen Menu Service Example 8 Ð SERVICE2 Display ScreenSpare Alert Enable Example 9 Ð SERVICE3 Display ScreenBearing Temperature Example 10 Ð Maintenance MAINT01 Display ScreenExample 11 Ð Maintenance MAINT02 Display Screen Discharge TemperatureDescription RANGE/STATUS Units Reference Point Name Example 12 Ð Maintenance MAINT03 Display ScreenExample 13 Ð Maintenance MAINT04 Display Screen PIC System Functions Page Protective Safety Limits and Control Settings Capacity Overrides Page Page Hot Gas Bypass Lead/Lag ControlECW HgbpPage Cent Capacity Ice Build ControlPage To LOG on Example of Attach to Network Device ScreenSequence Fig START-UP/SHUTDOWN/RECYCLERecycle Restart Delta T Equipment Required Using the Optional Storage Tank and PumpoutBefore Initial START-UP Job Data Required19XL Leak Test Procedures Page Ð HCFC-22 Pressure Ð Temperature C Ð HCFC-22 Pressure Ð Temperature FTemperature Pressure Ð HFC-134a Pressure Ð Temperature FÐ HFC-134a Pressure Ð Temperature C Page Check Optional Pumpout Compressor Water Pip Inspect WiringMECHANICAL-TYPE Starters Check StarterBENSHAW, INC. SOLID-STATE Starter Benshaw, Inc. Solid-State Starter Power StackSet Up Chiller Control Conguration Power Up the Controls and Check the Oil HeaterLoad Surge Prevention Occurs TOO Soon Occurs TOO Late Volt Motor Code Amps Correction Factors For 19XL MotorsTests to be Devices Tested Performed Charge Refrigerant into Chiller19XL Chiller Equalization Without PUMP- OUT Unit Control Test Menu FunctionsSize Refrigerant Charges19XL Total Refrigerant Charge CoolerCheck Rotation Initial START-UPDry Run to Test Start-Up Sequence Operator Duties Check Oil Pressure and Compressor StopCalibrate Motor Current Operating InstructionsTo Stop the Chiller Plant Tstat Pumpout and Refrigerant Transfer ProceduresOperating the Optional Pumpout Compressor Transfer Refrigerant from Storage Tank to ChillerTransfer the Refrigerant from Chiller to Storage Tank Chillers with Isolation ValvesReturn Refrigerant to Normal Operating Conditions General MaintenanceTest After Service, Repair, or Major Leak Ð If Guide Vane Actuator Linkage Weekly MaintenanceTo Change the OIL Scheduled MaintenanceCheck Safety and Operating Controls Monthly Inspect the Heat Exchanger Tubes Compressor Bearing and Gear MaintenOptional Pumpout System Controls Troubleshooting Guide MAINT04 MAINT01MAINT02 MAINT03Timing OUT or Timed OUT Shutdown with ON/OFF/RESET-OFFAutorestart in Progress Recycle ShutdownNormal or AUTO.-RESTART LOW Chilled Water Compressor Jumpstart and Refrigerant Protection Normal RUN with RESET, TEMPERATURE, or DemandLimited Normal RUN Overrides Active AlertsOUT-OF-RANGE Sensor Failures Protective Limit Chiller Protect Limit FaultsSpare Sensor Alert Messages Chiller AlertsDESCRIPTION/MALFUNCTION Probable CAUSE/REMEDY Other PROBLEMS/MALFUNCTIONSTemperature Voltage Resistance Drop Ð Thermistor Temperature F vs Resistance/Voltage DropÐ Thermistor Temperature C vs Resistance/Voltage Drop Input Options Module Control ModulesModule Address Options Module Starter Management Module SMM FigProcessor Module Psio Fig Switch Options Setting Module InstallationTypical Benshaw, Inc. Solid-State Starter internal View Page Page SCR Benshaw, Inc. Solid-State Starter Troubleshooting GuideProblem Probable Causes Area of Correction RV1Condenser Heat Exchanger DataAdditional Data for Marine Waterboxes Cooler1034 kPa Waterbox Cover WeightsCoolers CondensersOptional Pumpout System Electrical Data Compressor/Motor WeightsCompressor Weights Compressor Fits and Clearances ``Z Compressor Assembly TorquesDescription Torque Ft-lbEXT CLRCOM CommPage CLR Page Chiller Power Panel, Starter Assembly Motor Wiring Schematic Chiller Power Panel, Starter Assembly Motor Wiring Schematic HPS PMRPOT GFRTypical Wye-Delta Unit Mounted Starter Wiring Schematic Index Index Copyright 1996 Carrier Corporation

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.
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