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Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual

Page 30

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30

Table 2 — CVC/ICVC Display Data (cont)

EXAMPLE 17 — OPTIONS DISPLAY SCREEN

To access this display from the CVC/ICVC default screen:

1. Press .

2. Press .

3. Scroll down to highlight

.

4. Press .
5. Scroll down to highlight

.

6. Press .

NOTE: No variables are available for CCN read or write operation.

EXAMPLE 18 — SETUP1 DISPLAY SCREEN

To access this display from the CVC/ICVC default screen:

1. Press .

2. Press .

3. Scroll down to highlight

.

4. Press .

5. Scroll down to highlight

.

6. Press .

NOTE: No variables are available for CCN read or write operation; forcing shall not be supported on service screens.

DESCRIPTION

STATUS

UNITS

POINT

DEFAULT

Auto Restart Option

0/1

DSABLE/ENABLE

start

DSABLE

Remote Contacts Option

0/1

DSABLE/ENABLE

r_contact

DSABLE

Soft Stop Amps Threshold

40-100

%

softstop

100

Surge / Hot Gas Bypass

Surge Limit/HGBP Option

0/1

srg_hgbp

0

Select: Surge=0, HGBP=1
Min. Load Point (T1,P1)
Surge/HGBP Delta T1

0.5-20

^F

hgb_dt1

1.5

Surge/HGBP Delta P1

30-170

PSI

hgb_dp1

50

Full Load Point (T2,P2)
Surge/HGBP Delta T2

0.5-20

^F

hbg_dt2

10

Surge/HGBP Delta P2

50-170

PSI

hgb_dp2

85

Surge/HGBP Deadband

0.5-3

^F

hbg_db

1

Surge Protection

Surge Delta% Amps

5-20

%

surge_a

10

Surge Time Period

7-10

MIN

surge_t

8

Ice Build Control

Ice Build Option

0/1

DSABLE/ENABLE

ibopt

DSABLE

Ice Build Termination

0-2

ibterm

0

0=Temp, 1=Contacts, 2=Both
Ice Build Recycle

0/1

DSABLE/ENABLE

ibrecyc

DSABLE

Refrigerant Leak Option

0/1

DSABLE/ENABLE

DSABLE

Refrigerant Leak Alarm mA

4-20

mA

REF_LEAK

20

Head Pressure Reference

Delta P at 0% (4mA)

20-60

PSI

HPDPO

25

Delta P at 100% (20mA)

20-60

PSI

HPDP100

35

Minimum Output

0-100

%

HPDPMIN%

0

DESCRIPTION

STATUS

UNITS

POINT

DEFAULT

Comp Motor Temp Override

150-200

DEG F

mt_over

200

Cond Press Override

90-165

PSI

cp_over

125

Comp Discharge Alert

125-200

DEG F

cd_alert

200

Comp Thrust Brg Alert

165-185

DEG F

tb_alert

175

Chilled Medium

0/1

WATER/BRINE

medium

WATER

Chilled Water Deadband

.5-2.0

^F

cw _db

1.0

Evap Refrig Trippoint

0.0-40.0

DEG F

ert_trip

33

Refrig Override Delta T

2.0-5.0

^F

ref_over

3

Condenser Freeze Point

–20 - 35

DEG F

cdfreeze

34

Evap Flow Delta P Cutout

0.5 - 50.0

PSI

evap_cut

5.0

Cond Flow Delta P Cutout

0.5 - 50.0

PSI

cond_cut

5.0

Water Flow Verify Time

0.5-5

MIN

wflow_t

5

Oil Pressure Verify Time

15-300

SEC

oilpr_t

40

Recycle Control
Restart Delta T

2.0-10.0

DEG F

rcycr_dt

5

Shutdown Delta T

0.5-4.0

DEG F

rcycs_dt

1

SPARE ALERT/ALARM ENABLE
Disable=0, Lo=1/3, Hi=2/4

Spare Temp #1 Enable

0-4

sp1_en

0

Spare Temp #1 Limit

–40-245

DEG F

sp1_lim

245

Spare Temp #2 Enable

0-4

sp2_ en

0

Spare Temp #2 Limit

–40-245

DEG F

sp2_ lim

245

MENU

SERVICE

EQUIPMENT SERVICE

SELECT

OPTIONS

SELECT

MENU

SERVICE

EQUIPMENT SERVICE

SELECT

SETUP1

SELECT