Table 2 Ð LID Screens (cont)

EXAMPLE 2 Ð STATUS02 DISPLAY SCREEN

To access this display from the LID default screen: 1. Press MENU .

2. Press

STATUS

.

3. Scroll down to highlight STATUS02.

4. Press

SELECT

.

DESCRIPTION

POINT TYPE

UNITS

REFERENCE POINT NAME

INPUT

OUTPUT

(ALARM HISTORY)

 

 

Hot Gas Bypass Relay

 

X

OFF/ON

HGBR

*Chilled Water Pump

 

X

OFF/ON

CHWP

Chilled Water Flow

X

 

NO/YES

EVFL

*Condenser Water Pump

 

X

OFF/ON

CDP

 

 

 

 

Condenser Water Flow

X

 

NO/YES

CDFL

Compressor Start Relay

 

X

OFF/ON

CMPR

Compressor Start Contact

X

 

OPEN/CLOSED

1CR

 

 

 

 

 

 

AUX

Compressor Run Contact

X

 

OPEN/CLOSED

RUN

 

 

 

 

AUX

Starter Fault Contact

X

 

OPEN/CLOSED

STR

 

 

 

 

FLT

Pressure Trip Contact

X

 

OPEN/CLOSED

PRS

 

 

 

 

TRIP

Single Cycle Dropout

X

 

NORMAL/ALARM

V1

 

CYCLE

Oil Pump Relay

 

X

OFF/ON

OILR

 

 

 

 

Oil Heater Relay

 

X

OFF/ON

OILH

 

 

 

 

Motor Cooling Relay

 

X

OFF/ON

MTRC

*Tower Fan Relay

 

X

OFF/ON

TFR

 

 

 

 

Compr. Shunt Trip Relay

 

X

OFF/ON

TRIPR

Alarm Relay

 

X

NORMAL/ALARM

ALM

 

 

 

 

Spare Prot Limit Input

X

 

ALARM/NORMAL

SPR

 

 

 

 

PL

 

 

 

 

 

NOTE: All values are variables available for read operation to a CCN. Descriptions shown with (*) support write operations from the LID only.

EXAMPLE 3 Ð STATUS03 DISPLAY SCREEN

To access this display from the LID default screen:

1.Press MENU .

2.Press STATUS .

3.Scroll down to highlight STATUS03.

4.Press SELECT .

DESCRIPTION

RANGE

UNITS

REFERENCE POINT NAME

(ALARM HISTORY)

 

 

 

OPTIONS BOARD 1

 

 

 

 

 

 

 

 

 

 

 

*Demand Limit 4-20 mA

4-20

mA

DEM

 

 

OPT

*Temp Reset 4-20 mA

4-20

mA

RES

 

 

OPT

*Common CHWS Sensor

±40-245 (±40-118)

DEG F (DEG C)

CHWS

 

 

 

*Common CHWR Sensor

±40-245 (±40-118)

DEG F (DEG C)

CHWR

 

 

 

*Remote Reset Sensor

±40-245 (±40-118)

DEG F (DEG C)

R

 

RESET

*Temp Sensor Ð Spare 1

±40-245 (±40-118)

DEG F (DEG C)

SPARE1

 

*Temp Sensor Ð Spare 2

±40-245 (±40-118)

DEG F (DEG C)

SPARE2

 

*Temp Sensor Ð Spare 3

±40-245 (±40-118)

DEG F (DEG C)

SPARE3

 

OPTIONS BOARD 2

 

 

 

 

 

 

 

 

 

 

 

*4-20 mA Ð Spare 1

4-20

mA

SPARE1

 

M

*4-20 mA Ð Spare 2

4-20

mA

SPARE2

 

M

*Temp Sensor Ð Spare 4

±40-245 (±40-118)

DEG F (DEG C)

SPARE4

 

*Temp Sensor Ð Spare 5

±40-245 (±40-118)

DEG F (DEG C)

SPARE5

 

*Temp Sensor Ð Spare 6

±40-245 (±40-118)

DEG F (DEG C)

SPARE6

 

*Temp Sensor Ð Spare 7

±40-245 (±40-118)

DEG F (DEG C)

SPARE7

 

*Temp Sensor Ð Spare 8

±40-245 (±40-118)

DEG F (DEG C)

SPARE8

 

*Temp Sensor Ð Spare 9

±40-245 (±40-118)

DEG F (DEG C)

SPARE9

 

NOTE: All values shall be variables available for read operation to a CCN network. Descriptions shown with (*) support write operations for BEST programming language, data transfer, and overriding.

EXAMPLE 4 Ð SETPOINT DISPLAY SCREEN

To access this display from the LID default screen:

1. Press

MENU

.

2. Press

SETPOINT

.

DESCRIPTION

CONFIGURABLE RANGE

UNITS

REFERENCE POINT NAME

DEFAULT VALUE

Base Demand Limit

40-100

%

DLM

 

 

 

100

LCW Setpoint

20-120 (±6.7-48.9)

DEG F (DEG C)

lcw

 

 

 

sp

50.0 (10.0)

ECW Setpoint

20-120 (±6.7-48.9)

DEG F (DEG C)

ecw

 

 

 

sp

60.0 (15.6)

ICE BUILD Setpoint

20- 60 (±6.7-15.6)

DEG F (DEG C)

ice

 

sp

40.0 ( 4.4)

 

22

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Carrier 19XL Example 2 Ð STATUS02 Display Screen, Example 3 Ð STATUS03 Display Screen, Example 4 Ð Setpoint Display Screen
Page 21 Page 23

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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