3
Table 3 - ICVC display data (continued)
Example 20 - LEAD/LAG display screen
To access this display from the ICVC default screen:
1. Press
MenU
.
. Press
SeRVICe
.
3. Scroll down to highlight
eQUIpMent SeRVICe
.
4. Press
SeLeCt
.
5. Scroll down to highlight
LeADLAG
.
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Lead Lag Control
- LEAD/LAG Configuration
- DSABLE = 0, Lead = 1
- LAG = 2, STANDBY = 3
- Load Balance Option
- Common Sensor Option
- LAG % Capacity
- LAG Address
- LAG START Timer
- LAG STOP Timer
- PRESTART FAULT Timer
- STANDBY Chiller Option
- STANDBY % Capacity
- STANDBY Address
0 to 3
0/1
0/1
25 to 75
1 to 236
2 to 60
2 to 60
2 to 30
0/1
25 to 75
1 to 236
DSABLE/ENABLE
DSABLE/ENABLE
%
Minutes
Minutes
Minutes
DSABLE/ENABLE
%
leadlag
loadbal
commsens
lag_per
lag_add
lagstart
lagstop
preflt
stnd_opt
stnd_per
stnd_add
0
DSABLE
DSABLE
50
92
10
10
5
DSABLE
50
93
Note:
No variables are available for CCN read or write operation.
Example 21 - RAMP_DEM display screen
To access this display from the ICVC default screen:
1. Press
MenU
.
. Press
SeRVICe
.
3. Scroll down to highlight
eQUIpMent SeRVICe
.
4. Press
SeLeCt
.
5. Scroll down to highlight
RAMp_DeM.
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Pulldown Ramp Type:
- Select: Temp = 0, kW = 1
Demand Limit and kW Ramp
- Demand Limit Source
- Select: Amps = 0, kW = 1
- Amps or kW Ramp %/Min
- Demand Limit Prop Band
- Demand Limit At 20 mA
- 20 mA Demand Limit Opt
Demand Watts Interval
0/1
0/1
5 to 20
3 to 15
40 to 100
0/1
5 to 60
%
%
DSABLE/ENABLE
Minutes
ramps1ct
dem_src
kw_ramp
dem_app
dem_20ma
dem_sel
dw_int
1
0
10
10
40
DSABLE
15
Note:
No variables are available for CCN read or write operation.
Example 22 - TEMP_CTL display screen
To access this display from the ICVC default screen:
1. Press
MenU
.
. Press
SeRVICe
.
3. Scroll down to highlight
eQUIpMent SeRVICe
.
4. Press
SeLeCt
.
5. Scroll down to highlight
teMp_CtL.
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Control Point Source
- ECW Control Option
- Temp Pulldown Deg/Min
Temperature Reset
- RESET TYPE 1
- Degrees Reset At 20 mA
- RESET TYPE 2
- Remote Temp –> No Reset
- Remote Temp –> Full Reset
- Degrees Reset
- RESET TYPE 3
- CHW Delta T –> No Reset
- CHW Delta T –> Full Reset
- Degrees Reset
- Enable Reset Type
0/1
1.1 to 5.5
-16.6 to 16.6
-38 to 118
-38 to 118
-16.6 to 16.6
0 to 8.3
0 to 8.3
-16.6 to 16.6
0 to 3
DSABLE/ENABLE
K
K
°C
°C
K
K
K
K
ecw_opt
tmp_ramp
deg_20ma
res_rt1
res_rt2
deg_rt
restd_1
restd_2
deg_chw
res_sel
DSABLE
1.7
5.6
29.5
18.3
5.6
5.6
0
2.8
0
