Carrier 19XR Start-Up, Operation And Maintenance Instructions Manual page 30

To access this display from the CVC default screen:
1. Press MENU .
2. Press SERVICE .
3. Scroll down to highlight EQUIPMENT SERVICE .
4. Press SELECT .
5. Scroll down to highlight SETUP2 .
DESCRIPTION
Capacity Control
Proportional Inc Band
Proportional DEC Band
Proportional ECW Gain
Guide Vane Travel Limit
Diffuser Control
Diffuser Option
Guide Vane 25% Load Pt
Diffuser 25% Load
Guide Vane 50% Load Pt
Diffuser 50% Load Pt
Guide Vane 75% Load Pt
Diffuser 75% Load Pt
Diffuser Full Span mA
VFD Speed Control
VFD Option
VFD Gain
VFD Increase Step
VFD Minimum Speed
VFD Maximum speed
NOTE: No variables are available for CCN read operation; forcing shall be supported on service screens.
To access this display from the CVC default screen:
1. Press MENU .
2. Press SERVICE .
3. Scroll down to highlight EQUIPMENT SERVICE .
4. Press SELECT .
5. Scroll down to highlight LEADLAG .
DESCRIPTION
Lead Lag Control
LEAD/LAG Configuration
DSABLE=0, LEAD=1,
LAG=2, STANDBY=3
Load Balance Option
Common Sensor Option
LAG Percent Capacity
LAG Address
LAG START Timer
LAG STOP Timer
PRESTART FAULT Timer
STANDBY Chiller Option
STANDBY Percent Capacity
STANDBY Address
NOTE: No variables are available for CCN read or write operation.
Table 2 — CVC Display Data (cont)
EXAMPLE 18 — SETUP2 DISPLAY SCREEN
STATUS UNITS
2-10
2-10
1-3
30-100 %
0-1 DSABLE/ENABLE
0-78 %
0-100 %
0-78 %
0-100 %
0-78 %
0-100 %
15-22 mA
0/1 DSABLE/ENABLE
0.1-1.5
1-5 %
65-100 %
90-110 %
EXAMPLE 19 − LEADLAG DISPLAY SCREEN
STATUS UNITS
0-3
0/1 DSABLE/ENABLE
0/1 DSABLE/ENABLE
25-75 %
1-236
2-60 MIN
2-60 MIN
2-30 MIN
0/1 DSABLE/ENABLE
25-57 %
1-236
30
POINT DEFAULT
gv inc 6.5
gv dec 6.0
gv ecw 2.0
gv lim 80
diff opt DSABLE
gv 25 25
df 25 0
gv 50 50
df 50 0
gv 75 75
df 75 0
diff ma 18
vfd opt DSABLE
vfd gain 0.75
vfd step 2
vfd min 70
vfd max 100
POINT DEFAULT
leadlag 0
load/bal DSABLE
commsens DSABLE
lag per 50
lag add 92
lagstart 10
lagstop 10
preflt 5
stndopt DSABLE
stnd per 50
stnd add 93