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.

24

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Carrier 19XL specifications Example 7 Ð SERVICE1 Display Screen
Page 23 Page 25

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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