Carrier 19XR Start-Up, Operation And Maintenance Instructions Manual page 26

To access this display from the CVC default screen:
1. Press MENU .
2. Press SERVICE .
3. Scroll down to highlight CONTROL ALGORITHM STATUS .
4. Press SELECT .
5. Scroll down to highlight OVERRIDE .
DESCRIPTION
Comp Motor Winding Temp
Comp Motor Temp Override
Condenser Pressure
Cond Press Override
Evaporator Refrig Temp
Evap Ref Override Temp
Comp Discharge Temp
Comp Discharge Alert
Comp Thrust Brg Temp
Comp Thrust Brg Alert
Actual Superheat
Superheat Required
Condenser Refrig Temp
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance
screens.
To access this display from the CVC 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
DESCRIPTION
Lead Lag Control
LEAD/LAG: Configuration
Current Mode
Load Balance Option
LAG Start Time
LAG Stop Time
PRESTART FAULT 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, Trippout, Pumpdown, Lockout
5. Stop, Start, Retain
6. All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance screens.
Table 2 — CVC Display Data (cont)
EXAMPLE 10 — OVERRIDE DISPLAY SCREEN
STATUS
−40-245
150-200
0-420
90-180
−40-245
2-45
−40-245
125-200
−40-245
165-185
−20-99
6-99
−40-245
EXAMPLE 11 — LL MAINT DISPLAY SCREEN
MAINT. .
STATUS
NOTE 1
NOTE 2
0/1
2-60
2-60
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
UNITS
DEG F
DEG F
PSI
PSI
DEG F
DEG F
DEG F
DEG F
DEG F
DEG F
DEG F
^ F
^ F
UNITS
DSABLE/ENABLE
MIN
MIN
MIN
^ DEG
NO/YES
NO/YES
NO/YES
NO/YES
DEG F
DEG F
26
POINT
MTRW
mt over
CRP
cp over
ERT
rt over
CMPD
cd alert
MTRB
tb alert
SUPRHEAT
SUPR REQ
CRT
POINT
leadlag
llmode
loadbal
lagstart
lagstop
preflt
pull dt
pull sat
leadctrl
lagmode
lagstat
lag s s
lag rec
stdmode
stdstat
Std s s
std rec
SPARE1
SPARE2