Carrier AquaEdge 19XRV series Operation, Maintenance And Installation Manual page 43

Single-stage or two-stage semi-hermetic centrifugal liquid chillers with pic iii controls and hfc-134a 50/60 hz
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To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
SERVICE
.
3. Scroll down to highlight
EQUIPMENT SERVICE
4. Press
SELECT
.
5. Scroll down to highlight
LEADLAG
6. Press
SELECT
.
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
PULLDOWN 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
.
2. Press
SERVICE
.
3. Scroll down to highlight
EQUIPMENT SERVICE
4. Press
.
SELECT
5. Scroll down to highlight
RAMP_DEM
6. Press
SELECT
.
DESCRIPTION
Pulldown Ramp Type:
Select: Temp=0, Load=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
VFD Overload Decrease
VFD Overload Delta
Demand Watts Interval
NOTE: No variables are available for CCN read or write operation.
To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
SERVICE
.
3. Scroll down to highlight
EQUIPMENT SERVICE
4. Press
.
SELECT
5. Scroll down to highlight
TEMP_CTL
6. Press
SELECT
.
DESCRIPTION
Control Point
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
Table 4 — ICVC Display Data (cont)
EXAMPLE 22 — LEADLAG DISPLAY SCREEN
.
.
STATUS
0-3
0/1
DSABLE/ENABLE
0/1
DSABLE/ENABLE
25-75
%
1-236
2-60
MIN
2-60
MIN
2-30
MIN
1-30
MIN
0/1
DSABLE/ENABLE
25-75
%
1-236
EXAMPLE 23 — RAMP_DEM DISPLAY SCREEN
.
.
STATUS
0/1
0/1
5-20
3-15
%
40-100
%
0/1
DSABLE/ENABLE
25-50
%
3-15
%
5-60
MIN
EXAMPLE 24 — TEMP_CTL DISPLAY SCREEN
.
.
STATUS
0/1
DSABLE/ENABLE
2-10
^F
–30- 30
^F
–40-245
DEG F
–40-245
DEG F
–30-30
^F
0-15
^F
0-15
^F
–30-30
^F
0-3
UNITS
POINT
leadlag
loadbal
commsens
lag_per
lag_add
lagstart
lagstop
preflt
pulldown
stndopt
stnd_per
stnd_add
UNITS
POINT
ramps1ct
dem_src
kw_ramp
dem_app
dem_20ma
dem_sel
vfd_dec
vfd_delt
dw_int
UNITS
POINT
ecw_opt
tmp_ramp
deg_20ma
res_rt1
res_rt2
deg_rt
restd_1
restd_2
deg_chw
res_sel
43
DEFAULT
0
DSABLE
DSABLE
50
92
10
10
5
2
DSABLE
50
93
DEFAULT
1
0
10
10
40
DSABLE
30
5
15
DEFAULT
DSABLE
3
10
85
65
10
10
0
5
0

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