Carrier AquaEdge 19XR series Start-Up, Operation And Maintenance Instructions Manual page 35

To access this display from the ICVC default screen:
1. Press MENU .
2. Press SERVICE .
3. Scroll down to highlight
CONTROL ALGORITHM STATUS
4. Press SELECT .
5. Scroll down to highlight LL_MAINT.
6. Press SELECT .
DESCRIPTION
LeadLag Control
LEADLAG: Configuration
Current Mode
Load Balance Option
LAG START Time
LAG STOP Time
Prestart Fault Time
Pulldown Time
Pulldown: Delta T / Min
Satisfied?
LEAD CHILLER in Control
LAG CHILLER: Mode
Run Status
Start/Stop
Recovery Start Request
STANDBY CHILLER: Mode
Run Status
Start/Stop
Recovery Start Request
Spare Temperature 1
Spare Temperature 2
NOTES:
1. DISABLE, LEAD, LAG, STANDBY, INVALID
2. DISABLE, LEAD, LAG, STANDBY, RECOVERY, CONFIG
3. Reset, Off, Local, CCN
4. Timeout, Ready, Recycle, Prestart, Startup, Ramping, Running,
Demand, Override, Shutdown, Autorest, Pumpdown, Lockout,
Control Test
Table 3 — ICVC Display Data (cont)
EXAMPLE 12 — LL_MAINT DISPLAY SCREEN
.
STATUS
NOTE 1
NOTE 2
0/1
2-60
2-60
2-30
2-30
x.xx
0/1
0/1
NOTE 3
NOTE 4
NOTE 5
0/1
NOTE 3
NOTE 4
NOTE 5
0/1
–40-245
–40-245
35
UNITS
DSABLE/ENABLE
MIN
MIN
MIN
MIN
^F
NO/YES
NO/YES
NO/YES
NO/YES
DEG F
DEG F
5. Stop, Start, Retain
6. All variables with CAPITAL LETTER point names are available
for CCN read operation; forcing shall not be supported on main-
tenance screens.
POINT
leadlag
llmode
loadbal
lagstart
lagstop
preflt
pulldown
pull_dt
pull_sat
leadctrl
lagmode
lagstat
lag_s_s
lag_rec
stdmode
stdstat
std_s_s
std_rec
SPARE_T1
SPARE_T2