![background image](http://html1.mh-extra.com/html/carrier/48-50pg-series/48-50pg-series_controls-start-up-operation-service-and-troubleshooting-instructions_2560926113.webp)
113
APPENDIX A — LOCAL DISPLAY AND CCN TABLES (CONT)
MODE — OPERATING MODES
ITEM
EXPANSION
RANGE
UNITS
CCN TABLE/
SUB---TABLE
CCN POINT
CCN WRITE
STATUS
DISPLAY
WRITE
STATUS
OPERATING MODES
MAINTENANCE
MODE
Control Modes
MODES
SYS
Unit operation disabled
Unit operation enabled
Service test enabled
SYS_MODE_TEXT1
SYS_MODE_TEXT2
(table only)
SYS_MODE_TEXT3
(table only)
HVAC
HVAC Operation Disabled
Ventilation (fan--- only)
Cooling
Free Cooling
Unoccupied Free Cooling
Reheat1
Reheat2
Reheat1 / Reheat2
Heating
HVAC-
MODE_TEXT_1
HVAC-
MODE_TEXT_2
(table only)
HVAC-
MODE_TEXT_3
(table only)
HV.DN
Remote HVAC Mode Disable
Yes/No
HVACDOWN
forcible
EFF.C
Cool Setpoint In Effect
xx.x
dF
CSP_EFF
EFF.H
Heat Setpoint in Effect
xx.x
dF
HSP_EFF
OCC
Currently Occupied
Yes/No
OCCUPIED
forcible
forcible
T.OVR
Timed Override in Effect
Yes/No
MODETOVR
LINK
Linkage Active
Yes/No
MODELINK
D.LMT
Demand Limit In Effect
Yes/No
MODEDMDL
C.LOC
Compressor OAT Lockout
Yes/No
COMPLOCK
H.LOC
Heat OAT Lockout
Yes/No
HEATLOCK
E.LOC
Econo Cool OAT Lockout
Yes/No
ECONLOCK
COOL
Cool Mode Diagnostic
COOLDIAG
COOL
In Cooling Mode?
Yes/No
IN_COOL
OK.CL
OK to Select Cool Mode?
Yes/No
OKTOCOOL
MS.TG
Mode Select Timeguard
0--- 999
secs
COOLMSTG
OK.EC
OK to Use Economizer?
Yes/No
ECONCOOL
OK.MC
OK to Use Compressors?
Yes/No
MECHCOOL
C.LOC
Compressor OAT Lockout
Yes/No
COMPLOCK
CA.LO
Circuit A Lockout Temp
0 to 100F
dF
OATLCMPA
CB.LO
Circuit B Lockout Temp
0 to 100F
dF
OATLCMPB
CC.LO
Circuit C Lockout Temp
0 to 100F
dF
OATLCMPC
IDF
Indoor Fan State
On/Off
IDFSTATE
F.SPD
Commanded Fan Speed
NNN
FANSPEED
AVL.C
Available Cooling Stages
x
AVLCSTGS
REQ.C
Requested Cooling Stages
x
REQCSTGS
LMT.C
Max Cool Stage In Effect
x
CSTGLIMT
ACT.C
Actual Cooling Stages
x
ACTCSTGS
CMP.A
Circuit A Compressors
On/Off
COMP_A
CMP.B
Circuit B Compressors
On/Off
COMP_B
CMP.C
Circuit C Compressors
On/Off
COMP_C
ST.A
Circuit A Strikes
x
ASTRIKES
ST.B
Circuit B Strikes
x
BSTRIKES
ST.C
Circuit C Strikes
x
CSTRIKES
F.LEV
Outdoor Fan Level
x
FANLEV
SAT
Supply Air Temperature
SAT
Supply Air Temperature
xxx.x
dF
SAT_DISP
SA.DM
Supply Air Temp Demand
xxx.x
^F
SAT_DMD
SA.PD
SAT Cool Demand (+) Level
xx.x
^F
SAT_POS
SA.ND
SAT Cool Demand (--- ) Level
xx.x
^F
SAT_NEG
SAT.U
Minimum SAT Upper Level
xx.x
dF
SATMIN_H
SAT.L
Minimum SAT Lower Level
xx.x
dF
SATMIN_L
SA.TR
Supply Air d/dt (F/min)
xxxx.x
SATTREND
SA.DR
SAT Delta Reference Temp
xxx.x
dF
SAT_REF
SPT
Space Temperature
SPT
Space Temperature
xxx.x
dF
SPACE_T
forcible
forcible
DMD.C
Cooling Demand
xxx.x
^F
COOL_DMD
TRD.C
Cool Demand d/dt (F/min)
xxx.x
CLDTREND
CL.PD
SPT Cool Demand (+) Level
xx.x
^F
DEM_POS
CL.ND
SPT Cool Demand (--- ) Level
xx.x
^F
DEM_NEG
C.LAG
Cool Thermal Lag Factor
x.x
min
COOL_LAG
48/
50P
G
and
P
M
Summary of Contents for 48/50PG Series
Page 32: ...32 C07009 Fig 20 Air Baffle Dimensions 48 50PG03 16 48 50PG and PM...
Page 33: ...33 C08077 Fig 21 Air Baffle Dimensions 48 50PG20 28 and 48 50PM16 28 48 50PG and PM...
Page 58: ...58 C08549 Fig 28 48PG03 16 Control Wiring Schematic 48 50PG and PM...
Page 59: ...59 C08550 Fig 29 50PG03 16 Control Wiring Schematic 48 50PG and PM...
Page 64: ...64 C08471 Fig 34 Typical 48PG and PM16 28 Control Schematic 48PM16 28 Shown 48 50PG and PM...
Page 66: ...66 C08557 Fig 36 Typical 50PG and PM16 28 Control Schematic 50PG20 28 Shown 48 50PG and PM...
Page 68: ...68 C08558 Fig 38 Typical 48 50PG and PM16 28 Power Schematic 48 50PM16 28 Shown 48 50PG and PM...
Page 72: ...72 C08565 Fig 42 Typical 48 50PG20 28 Component Arrangement 48 50PG20 24 Shown 48 50PG and PM...
Page 73: ...73 C08067 Fig 43 48 50PM16 28 Component Arrangement 48 50PG and PM...
Page 74: ...74 C08562 Fig 44 48 50PM16 28 with Humidi MiZert Component Arrangement 48 50PG and PM...
Page 208: ...208 48 50PG and PM...