Carrier 23XL - Page 36

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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