Appendix A: Systemvut Controller Display - Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting

Single package rooftop units with systemvu controls version 2.x and puron r-410a refrigerant
Table of Contents

Advertisement

Display Text
SHUTDOWN UNIT?
RUN STATUS
MODE
MODE
SUB--- MODE
DEMAND
LINKAGE ACTIVE
EFF COOL SETPOINT
EFF HEAT SETPOINT
DEMAND CTRL TEMP
OCC SPRH SET PT
UNOCC SPRH SET PT
COOL MODE T.GUARD
HEAT MODE T.GUARD
COOLING DEMAND
COOL DEMAND TREND
HEATING DEMAND
HEAT DEMAND TREND
DMD LIMIT STATUS
COOL DMD LIM OFF
HEAT DMD LIM OFF
COOL DMD LIM LEV
HEAT DMD LIM LEV
CL DMD LIM OFFSET
HT DMD LIM OFFSET
COOL
IDF SPEED OUTPUT
ACTIVE COOL STAGE
COMMANDED ODF SPD
ODF SDT SP
LA CTRL STATUS
REQ. DEHUM LEVEL
MECHANICAL COOLING
OK TO USE COMPS?
MECH COOL ACTIVE
MAX COOL STAGES
REQ. COOL STAGES
ACTIVE COOL STAGE
COMMANDED ODF SPD
COMP A1 TIMEGUARD
COMP A2 TIMEGUARD
SUPPLY AIR TREND
COMP A1 STRIKES
COMP A2 STRIKES
HI PRESS OVERRIDE
CIRCUIT A LOCKOUT
LOW COOL LOCKOUT
MED COOL LOCKOUT
COMP A1 AVAILABLE
COMP A1 LOCKOUT
COMP A2 AVAILABLE
COMP A2 LOCKOUT
FREE COOLING
OK TO FREE COOL?
IN FREE COOLING
FREECOOL SAT SP
REQ. DAMPER POS
ECON OPERATIONAL?
DRY BULB LOCKOUT
ENTHALPY LOCKOUT
OK TO UNOCC FC?
IN UNOC FREECOOL?
UFC LOCKOUT?

APPENDIX A: SystemVut Controller Display

Run Status Main Menu Layout
Expanded Text
Local Unit Shutdown Req.
Run Status Menu
Mode Status Menu
Operating Mode
Operating Sub--- Mode
System Demand
Linkage Active
Cool Setpoint In Effect
Heat Setpoint In Effect
Effective Demand Temp
Occupied SPRH Setpoint
Unoccupied SPRH Setpoint
Cool Mode Select T.guard
Heat Mode Select T.guard
Space Cooling Demand
Cooling Demand Trend
Heating Space Demand
Heat Space Demand Trend
DEMAND LIMIT STATUS
Cool Demand Limiting
Heat Demand Limiting
Cool demand Limit Level
Heat demand Limit Level
Cool Demand limit offset
Heat Demand limit offset
Cooling Status Menu
Commanded IDF Speed
Actual Cool Stage Active
Commanded ODF Speed
ODF Control SDT SP
Low Ambient Ctrl Status
Requested Dehum Level
Mechanical Cooling Detail Sub--- Menu
Ok to use compressors?
Mechanical Cool active?
Max Allowed Cool Stages
Requested Cooling Stages
Actual Cool Stage Active
Commanded ODF Speed
Compressor A1 Timeguard
Compressor A2 Timeguard
Supply Air Temp Trend
Compressor A1 Strikes
Compressor A2 Strikes
High Pressure Override
Circuit A Locked Out
Low cooling locked out
Medium Cooling lockout
Compressor A1 Available
Compressor A1 locked out
Compressor A2 Available
Compressor A2 locked out
Free Cooling Detail Sub--- menu
OK to Use Free Cooling?
Free Cooling active
Free Cooling SAT Setpnt
Requested Damper Pos
Econ Damper Operational
Dry Bulb Lockout
Enthalpy Lockout
Ok to unocc Free Cool?
Unocc Free Cool Active
Unocc Free Cool Lockout
Values
Yes/No
n/a
see Appendix B
see Appendix B
see Appendix B
Yes/No
xx.x
° F
xx.x
° F
xxx.x
° F
0 to 100
%
0 to 100
%
xxx
sec
xxx
sec
xx.x
° F
xx.x
^F/min
xx.x
° F
xx.x
^F/min
Off/On
Off/On
0 to 3
0 to 3
xx.x
° F
xx.x
° F
0 to 100
%
x
xxxx
rpm
xxxx
° F
0 = Normal,
1 = Entering,
2 = Low Ambient,
3 = Exiting
0 to 2
Yes/No
Yes/No
0 to 3
0 to 3
x
xxxx
rpm
xxx
sec
xxx
sec
xxx.x
^F/min
x
x
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
xx.x
° F
0 to 100
%
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
76
Units
Write Status
Point
Command
MODETEXT
SUBMTEXT
SYS_DMDT
Forcible
LNK_ACT
CSP_EFF
HSP_EFF
TEMP_EFF
SPRH_OSP
SPRH_USP
COOLMSTG
HEATMSTG
COOL_DMD
CLDTREND
HEAT_DMD
HTDTREND
CDMLMOFF
HDMLMOFF
CDMDLLEV
HDMELLEV
COOLDLMO
HEATDLMO
FANSPEED
ACTCSTGS
ODFSPD
ODFSDTSP
LACTRLST
REQDHLEV
OKMECHCL
MECHCOOL
Forcible
MAXCSTGS
REQCSTGS
ACTCSTGS
ODFSPD
TIMGD_A1
TIMGD_A2
SATTREND
A1STRIKE
A2STRIKE
HP_OVR
CIRALOCK
LC_LOCK
MC_LOCK
CA1_AVAL
CA1_LOCK
CA2_AVAL
CA2_LOCK
OKFREECL
FREECOOL
FC_SATSP
REQDAMP
DAMPGOOD
Forcible
DBLOCK
Forcible
ENTHLOCK
OKTOUFC
UFC_ACT
UNOCLOCK

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents