36
Table 3 — CVD Display Data (cont)
EXAMPLE 19 — LEAD/LAG DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press
.
2. Press
.
3. Scroll down to highlight
.
4. Press
.
5. Scroll down to highlight
.
NOTE: No variables are available for CCN read or write operation.
EXAMPLE 20 — RAMP_DEM DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press
.
2. Press
.
3. Scroll down to highlight
.
4. Press
.
5. Scroll down to highlight
.
NOTE: No variables are available for CCN read or write operation.
EXAMPLE 21 — TEMP_CTL DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press
.
2. Press
.
3. Scroll down to highlight
.
4. Press
.
5. Scroll down to highlight
.
DESCRIPTION STATUS UNITS POINT DEFAULT
Lead Lag Control
0-3
leadlag 0
LEAD/LAG Configuration
leadlag
0
DSABLE=0, Lead=1
LAG=2, STANDBY=3
Load Balance Option
0/1 DSABLE/ENABLE
loadbal
DSABLE
Common Sensor Option
0/1 DSABLE/ENABLE
commsens DSABLE
LAG % Capacity
25-75
%
lag_per 50
LAG Address
1-236
lag_add 92
LAG START Timer
2-60 MIN
lagstart
10
LAG STOP Timer
2-60 MIN
lagstop
10
PRESTART FAULT Timer
2-30 MIN
preft
5
STANDBY Chiller Optioin
0/1 DSABLE/ENABLE
stndopt
DSABLE
STANDBY % Capacity
25-75
%
stnd_per 50
STANDBY Address
1-236
stnd_add 93
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Pulldown Ramp Type:
0/1
rampslct
1
Select: Temp=0, Load=1
Demand Limit + kW Ramp
Demand Limit Source
0/1
dem_src
0
Select: Amps=0, kW=1
Motor Load Ramp % Min
5-20
kw_ramp
10
Demand Limit Prop Band
3-15
%
dem_app
10
Demand Limit At 20 mA
40-100
%
dem_20ma
40
20 mA Demand Limit Opt
0/1
DSABLE/ENABLE
dem_sel
DSABLE
Motor Rated Kilowatts
50-9999
kW
motor_kw
145
Demand Watts Interval
5-60
MIN
dw_int
15
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Control Point
ECW Control Option
0/1
DSABLE/ENABLE
ecw_opt
DSABLE
Temp Pulldown Deg/Min
2-10
^F
tmp_ramp
3
Temperature Reset
RESET TYPE 1
Degrees Reset At 20 mA
–30- 30
^F
deg_20ma
10
RESET TYPE 2
Remote Temp (No Reset)
–40-245
DEG F
res_rt
85
Remote Temp (Full Reset)
–40-245
DEG F
res_rt
65
Degrees Reset
–30-30
^F
deg_rt
10
RESET TYPE 3
CHW Delta T (No Reset)
0-15
^F
restd_1
10
CHW Delta T (Full Reset)
0-15
^F
restd_2
0
Degrees Reset
–30-30
^F
deg_chw
5
Select/Enable Reset Type
0-3
res_sel
0
MENU
SERVICE
EQUIPMENT SERVICE
SELECT
LEAD/LAG
MENU
SERVICE
EQUIPMENT SERVICE
SELECT
RAMP_DEM
MENU
SERVICE
EQUIPMENT SERVICE
SELECT
TMP_CTL