Table 2 Ð LID Display Data (cont)

EXAMPLE 11 Ð MAINTENANCE (MAINT01) DISPLAY SCREEN

To access this display from the LID default screen:

1.Press MENU .

2.Press SERVICE .

3.Scroll down to highlight CONTROL ALGORITHM STATUS.

4.Press SELECT .

5.Scroll down to highlight MAINT01.

DESCRIPTION

RANGE/STATUS

UNITS

REFERENCE POINT NAME

CAPACITY CONTROL

 

 

 

 

 

 

 

 

Control Point

10-120 (±12.2-48.9)

DEG F (DEG C)

ctrlpt

Leaving Chilled Water

±40-245 (±40-118)

DEG F (DEG C)

LCW

Entering Chilled Water

±40-245 (±40-118)

DEG F (DEG C)

ECW

Control Point Error

±99-99 (±55-55)

DEG F (DEG C)

cperr

ECW Delta T

±99-99 (±55-55)

DEG F (DEG C)

ecwdt

ECW Reset

±99-99 (±55-55)

DEG F (DEG C)

ecwres

LCW Reset

±99-99 (±55-55)

DEG F (DEG C)

lcwres

Total Error + Resets

±99-99 (±55-55)

DEG F (DEG C)

error

 

 

Guide Vane Delta

±2-2

%

gvd

 

 

Target Guide Vane Pos

0-100

%

GV

 

 

 

TRG

Actual Guide Vane Pos

0-100

%

GV

 

 

 

ACT

 

 

 

Proportional Inc Band

2-10

 

gv

 

 

inc

Proportional Dec Band

2-10

 

gv

 

 

dec

Proportional ECW Gain

1-3

 

gv

 

 

ecw

Water/Brine Deadband

0.5-2 (0.3-1.1)

DEG F (DEG C)

cwdb

 

 

 

 

 

 

 

 

 

NOTE: Overriding is not supported on this maintenance screen. Active overrides show the associated point in alert (*). Reference point names with capital letters can be read by CCN and Building Supervisor software.

EXAMPLE 12 Ð MAINTENANCE (MAINT02) DISPLAY SCREEN

To access this display from the LID default screen:

1.Press

2.Press

MENU

SERVICE

.

.

3. Scroll down to highlight CONTROL ALGORITHM STATUS.

4. Press

SELECT

.

5. Scroll down to highlight MAINT02.

6. Press

SELECT

.

DESCRIPTION

RANGE/STATUS

UNITS

REFERENCE POINT NAME

OVERRIDE/ALERT STATUS

 

 

 

 

 

 

 

 

 

 

 

MOTOR WINDING TEMP²

±40-245 (±40-118)

DEG F (DEG C)

MTRW

Override Threshold

150-200 (66-93)

DEG F (DEG C)

mt

 

 

 

over

CONDENSER PRESSURE

±6.7-420 (±42-2896)

PSI (kPa)

CRP

Override Threshold

90-245 (621-1689)

PSI (kPa)

cp

 

 

 

 

 

over

EVAPORATOR REFRIG TEMP

±40-245 (±40-118)

DEG F (DEG C)

ERT

Override Threshold

2-45 (1-7.2)

DEG F (DEG C)

rt

 

 

 

 

over

DISCHARGE TEMPERATURE

±40-245 (±40-118)

DEG F (DEG C)

CMPD

Alert Threshold

125-200 (52-93)

DEG F (DEG C)

cd

 

 

 

 

alert

BEARING TEMPERATURE

±40-245 (±40-118)

DEG F (DEG C)

MTRB

Alert Threshold

175-185 (79-85)

DEG F (DEG C)

tb

 

 

 

alert

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

²Information is applicable to hermetic machines (19EX) only.

NOTE: Overriding is not supported on this maintenance screen. Active overrides show the associated point in alert (*). Reference point names with capital letters can be read by CCN and Building Supervisor software.

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Carrier 17EX Example 11 Ð Maintenance MAINT01 Display Screen, Example 12 Ð Maintenance MAINT02 Display Screen

17EX specifications

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