43
Table 4 — ICVC Display Data (cont)
EXAMPLE 22 — LEADLAG DISPLAY SCREEN
To access this display from the 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 23 — RAMP_DEM DISPLAY SCREEN
To access this display from the 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 24 — TEMP_CTL DISPLAY SCREEN
To access this display from the 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
Lead Lag Control
LEAD/LAG: Configuration 0-3 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 preflt 5
PULLDOWN Timer 1-30 MIN pulldown 2
STANDBY Chiller Option 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 ramps1ct 1
Select: Temp=0, Load=1
Demand Limit and kW Ramp
Demand Limit Source 0/1 dem_src 0
Select: Amps=0, kW=1
Amps or Kw 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
VFD Overload Decrease 25-50 % vfd_dec 30
VFD Overload Delta 3-15 % vfd_delt 5
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_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
Enable Reset Type 0-3 res_sel 0