Table 2 Ð LID Display Data (cont)

EXAMPLE 13 Ð MAINTENANCE (MAINT03) 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 MAINT03.

6.Press SELECT .

DESCRIPTION

RANGE/STATUS

UNITS

REFERENCE POINT NAME

SURGE/HGBP ACTIVE ?

NO/YES

 

 

 

 

 

 

Active Delta P

0-200

(0-1379)

PSI (kPa)

dp

 

 

a

Active Delta T

0-200

(0-111)

DEG F (DEG C)

dt

 

a

Calculated Delta T

0-200

(0-111)

DEG F (DEG C)

dt

 

c

 

Surge Protection Counts

0-12

 

 

spc

 

 

 

 

 

 

 

 

 

 

 

NOTE: Override is not supported on this maintenance screen. Only values with capital letter reference point names are variables available for read operation.

EXAMPLE 14 Ð MAINTENANCE (MAINT04) 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 MAINT04.

6.Press SELECT .

DESCRIPTION

RANGE/STATUS

UNITS

REFERENCE POINT NAME

LEAD/LAG: Con®guration

DISABLE,LEAD,LAG,STANDBY, INVALID

 

leadlag

 

Current Mode

DISABLE,LEAD,LAG,STANDBY, CONFIG

 

llmode

 

Load Balance Option

DISABLE/ENABLE

 

loadbal

 

LAG Start Time

0-60

MIN

lagstart

 

LAG Stop Time

0-60

MIN

lagstop

 

Prestart Fault Time

0-30

MIN

pre¯t

 

Pulldown: Delta T/Min

x.xx

D DEG F (D DEG C)

pull

 

 

 

dt

 

Satis®ed?

No/Yes

 

pull

 

 

 

sat

 

LEAD CHILLER in Control

No/Yes

 

leadctrl

 

LAG CHILLER: Mode

Reset,Off,Local,CCN

 

lagmode

 

Run Status

Timeout,Recycle,Startup,Ramping,Running

 

lagstat

 

Start/Stop

Demand,Override,Shutdown,Abnormal,Pumpdown

 

 

 

 

 

 

 

 

 

 

 

 

Stop,Start,Retain

 

lag

 

 

 

s

 

 

 

s

 

 

 

 

 

Recovery Start Request

No/Yes

 

lag

 

 

 

rec

 

STANDBY CHILLER: Mode

Reset,Off,Local,CCN

 

stdmode

 

Run Status

Timeout,Recycle,Startup,Ramping,Running

 

stdstat

 

 

Demand,Override,Shutdown,Abnormal,Pumpdown

 

 

Start/Stop

 

 

 

 

 

 

 

 

 

 

 

 

Stop,Start,Retain

 

std

 

 

s

 

s

Recovery Start Request

No/Yes

 

std

 

 

rec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES:

1.Values on this screen cannot be ``forced'' (that is, changed by an operator, from the LID or from any other device [such as a CCN terminal]).

2.D = delta degrees.

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Image 31
Carrier 17EX Example 13 Ð Maintenance MAINT03 Display Screen, Example 14 Ð Maintenance MAINT04 Display Screen

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