Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual
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Table 2 — CVC/ICVC Display Data (cont)
EXAMPLE 21 — RAMP_DEM 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 22 — TEMP_CTL 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 .
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Pulldown Ramp Type:
0/1
ramp_opt
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_prop
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
temp_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_rt1
85
Remote Temp —> Full Reset
–40-245
DEG F
res_rt2
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
RAMP_DEM
SELECT
MENU
SERVICE
EQUIPMENT SERVICE
SELECT
TEMP_CTL
SELECT