Carrier AquaEdge 23XRV Start-Up, Operation And Maintenance Instructions Manual page 42

High-efficiency variable speed screw chiller with greenspeed intelligence and pic iii controls 50/60 hz hfc-134a
Table of Contents

Advertisement

To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
SERVICE
.
3. Scroll down to highlight
4. Press
.
SELECT
5. Scroll down to highlight
DESCRIPTION
Comp Motor Temp Override
Cond Press Override
Comp Discharge Alert
Rectifier Temp Override
Inverter Temp Override
Chilled Medium
Chilled Liquid Deadband
Evap Refrig Trippoint
Refrig Override Delta T
Evap Approach Alert
Cond Approach Alert
Condenser Freeze Point
Flow Delta P Display
Evap Flow Delta P Cutout
Cond Flow Delta P Cutout
Oil Press Verify Time
Liquid Flow Verify Time
Recycle Control
Restart Delta T
Shutdown Delta Speed
Shutdown Delta T
(P Compressor Only)
Spare Alert/Alarm Enable
Disable=0, Lo=1/3, Hi=2/4
Spare Temp #1 Enable
Spare Temp #1 Limit
Spare Temp #2 Enable
Spare Temp #2 Limit
NOTE: No variables are available for CCN read or write operation; forcing shall not be supported on service screens.
To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
SERVICE
.
3. Scroll down to highlight
4. Press
SELECT
.
5. Scroll down to highlight
DESCRIPTION
Capacity Control
Proportional Inc Band,
Q, R Compressors
Proportional Inc Band,
P Compressor
Proportional Dec Band
Proportional ECL Gain
VFD Speed Control
VFD Gain
VFD Minimum Speed
VFD Maximum Speed
Vaporizer Heater Mode*
0=Normal, 1=Service
Oil Reclaim Min Output
*P compressor only.
NOTE: No variables are available for CCN read or write operation; forcing shall not be supported on service screens.
516
Table 3 — ICVC Display Data (cont)
EXAMPLE 21 — SETUP1 DISPLAY SCREEN
.
EQUIPMENT SERVICE
SETUP1
.
STATUS
150 to 200 (66 to 93)
145 to 166 (1000 to 1145)
125 to 160 (52 to 71)
155 to 170 (68 to 77)
(Q,R Compressors)
155 to 190 (68 to 88)
(P Compressor)
155 to 170 (68 to 77)
(Q,R Compressors)
155 to 190 (68 to 88)
(P Compressor)
0/1
0.5 to 2.0 (0.3 to 1.1)
2.0 to 10.0 (0.3-5.6)
2.0 to 10.0 (0.3-5.6)
0.5 to 10 (0.3 to 5.6)
0.5 to 30 (0.3 to 16.6)
–20 to 35 (–28.9 to 1.7)
0/1
0.5 to 50.0 (3.45 to 344.7)
0.5 to 50.0 (3.45 to 344.7)
15 to 300
0.5 to 5
2.0 to 10.0 (1.1 to 5.6)
0.0 to 20.0
(Q,R Compressors)
–10.0 to 20.0
(P Compressor)
2.0 to 10 (1.1 to 5.6)
0 to 4
–40 to 245 (–40 to 118)
0 to 4
–40 to 245 (–40 to 118)
EXAMPLE 22 — SETUP2 DISPLAY SCREEN
EQUIPMENT SERVICE
.
SETUP2
.
STATUS
2 to 10
2 to 15
2 to 10
1 to 3
0.1 to 1.5
15 to 50
50 to 100
0/1
0 to 25
UNITS
°F (°C)
psi (kPa)
° F (°C)
°F (°C)
°F (°C)
WATER/BRINE
^F (^C)
°F (°C)
^F (^C)
^F (^C)
^F (^C)
°F (°C)
DSABLE/ENABLE
psi (kPa)
psi (kPa)
SEC
MIN
^F (^C)
%
^F (^C)
°F (°C)
°F (°C)
UNITS
POINT
vfd_inc
vfd_inc
vfd_dec
vfd_ecl
vfd_gain
%
vfd_min
%
vfd_max
vhtr_mode
%
oilr_lim
42
POINT
DEFAULT
mt_over
200 (93)
cp_over
145 (1000)
cd_alert
140 (60)
rec_over
160 (71)
(Q,R Compressors)
180
(P Compressor)
inv_over
160 (71)
(Q,R Compressors)
180
(P Compressor)
medium
WATER
cldb
1.0 (0.6)
ert_trip
33 (0.6)
ref_over
5 (2.8)
evap_al
4(2.2)
cdap_al
6 (3.3)
cdfreeze
34 (1.1)
flowdisp
DSABLE
evap_cut
5.0 (34.5)
cond_cut
5.0 (34.5)
oilpr_t
45
lflow_t
5
rcycr_dt
5 (2.8)
rcycs_dv
2.0
0.5
rcycs_dt
5 (2.8)
sp1_en
0
sp1_lim
245 (118)
sp2_ en
0
sp2_ lim
245 (118)
DEFAULT
6.5
12.0
6.0
2
0.75
20
100
0
25

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents