Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual page 32

To access this display from the ICVC default screen:
Press MenU.
1.
Press SeRVICe.
.
3. Scroll down to highlight eQUIpMent SeRVICe.
4. Press SeLeCt.
5. Scroll down to highlight LeADLAG.
DESCRIPTION
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
Note: No variables are available for CCN read or write operation.
To access this display from the ICVC default screen:
1. Press MenU.
. Press SeRVICe.
3. Scroll down to highlight eQUIpMent SeRVICe.
Press SeLeCt.
4.
Scroll down to highlight RAMp_DeM.
5.
DESCRIPTION
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
Note: No variables are available for CCN read or write operation.
To access this display from the ICVC default screen:
Press MenU.
1.
. Press SeRVICe.
3. Scroll down to highlight eQUIpMent SeRVICe.
4. Press SeLeCt.
Scroll down to highlight teMp_CtL.
5.
DESCRIPTION
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
3
Table 3 - ICVC display data (continued)
Example 20 - LEAD/LAG display screen
STATUS
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
Example 21 - RAMP_DEM display screen
STATUS
0/1
0/1
5 to 20
3 to 15
40 to 100
0/1
5 to 60
Example 22 - TEMP_CTL display screen
STATUS
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
UNITS POINT
leadlag
DSABLE/ENABLE loadbal
DSABLE/ENABLE commsens
% lag_per
lag_add
Minutes lagstart
Minutes lagstop
Minutes preflt
DSABLE/ENABLE stnd_opt
% stnd_per
stnd_add
UNITS POINT
ramps1ct
dem_src
kw_ramp
% dem_app
% dem_20ma
DSABLE/ENABLE dem_sel
Minutes dw_int
UNITS POINT
DSABLE/ENABLE ecw_opt
K tmp_ramp
K deg_20ma
°C res_rt1
°C res_rt2
K deg_rt
K restd_1
K restd_2
K deg_chw
res_sel
DEFAULT
0
DSABLE
DSABLE
50
92
10
10
5
DSABLE
50
93
DEFAULT
1
0
10
10
40
DSABLE
15
DEFAULT
DSABLE
1.7
5.6
29.5
18.3
5.6
5.6
0
2.8
0