Carrier 50HCQA Installation Manual Page 75
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75
APPENDIX A — LOCAL DISPLAY AND CCN TABLES
MODE — RUN STATUS
ITEM EXPANSION RANGE UNITS
CCN TABLE/
S u b --- T A B L E
CCN POINT
CCN WRITE
STATUS
RUN STATUS STATUS DISPLAY
VIEW Auto View of Run Status (VIEW = Display only)
HVAC HVAC Mode Status
1=Disabled
2=Ventilation
3=Cool
4=Heat
HVACMODE
OCC Currently Occupied No/Yes OCCUPIED
SAT Supply Air Temperature xxx..x _F SAT_DISP
ALRM Current Alarms & Alerts xx ALRMALRT
TIME Time of Day xx.xx hh.mm TIMECOPY
VERS Software Version Numbers VERSIONS
MBB CESR131504---xx--- xx ( x x --- x x i n t a b l e ) MODEL_NUMBER_01
ECB CESR131249 --- xx---xx MODEL_NUMBER_02
MARQ CESR131171---xx---xx MODEL_NUMBER_03
VFD1 FW Version --- xxxx MODEL_NUMBER_04
NAVI CESR131227--- xx--- xx
MODE Control Modes MODEDISP
SYS Current System Mode 1=Disabled
2=Run Enabled
3: Service Test
SYS_MODE
HVAC Current HVAC Mode 1=Disabled
2=Ventilation
3=Cool
4=Heat
HVACMODE
F. M O D Indoor Fan Mode 0=Off
1=High
2=Low Cool
3=Vent
4=IAQ Override
5=Low Heat
6=Dehum
7=Low Free Cool
IDF_MODE
HV.DN Remote HVAC Mode Disable No/Yes HVACDOWN forcible
EFF.C Cool Setpoint In Effect xx.x _F CSP_EFF
EFF.H Heat Setpoint In Effect xx.x _ F HSP_EFF
OCC Currently Occupied No/Yes OCCUPIED forcible
T. O V R Timed Override in Effect No/Y es MODETOVR
LINK Linkage Active No/Y es MODELINK
D.LMT Demand Limit In Effect No/Yes MODEDMDL
C.LOC Compressor OAT Lockout No/Yes COMPLOCK
H.LOC Heat OAT Lockout No/Yes HEATLOCK
OK.EC OK to Use Economizer? No/Yes ECONCOOL
COOL Cooling Status COOLDISP
DMD.C Cooling Demand xxx.x ^F COOL_DMD
AVL.C Available Cooling Stages x AVLCSTGS
REQ.C Requested Cooling Stages x REQCSTGS
MAX.C Max Allowed Cool Stages x MAXCSTGS forcible
LMT.C Max Cool Stage In Effect x CSTGLIMT
F.SPD Commanded Fan Speed xxx % FANSPEED
CRC Cool --- > Reheat1 Control Off/On CRC
CIR.A Refrigerant Circuit A
CMP.A Circuit A Compressor Off/On COMP_A
TG.A Timeguard A xxx sec TIMGD_A
RH2.A Reheat2 Valve A Off/On RH2_A
SST.A Sat. Suction Temp A xxx.x _F SST_A
SSP.A Suction Pressure A xxx.x psig SSP_A
SCT.A Sat. Condenser Temp A xxx.x _F SCT_A
SCP.A Condenser Pressure A xxx.x psig SCP_A
CIR.B Refrigerant Circuit B
CMP.B Circuit B Compressor Off/On COMP_B
TG.B Timeguard B xxx sec TIMGD_B
RH2.B Reheat2 Valve B Off/On RH2_B
SST.B Sat. Suction Temp B xxx.x _F SST_B
SSP.B Suction Pressure B xxx.x psig SSP_B
SCT.B Sat. Condenser Temp B xxx.x _F SCT_B
SCP.B Condenser Pressure B xxx.x psig SCP_B
HEAT Heating Status HEATDISP
DMD.H Heating Demand xxx.x ^F HEAT_DMD
AVL.H Available Heating Stages x AVLHSTGS
REQ.H Requested Heating Stages x REQHSTGS
MAX.H Max Allowed Heat Stages x MAXHSTGS forcible
LMT.H Max Heat Stage In Effect x HSTGLIMT
F.SPD Commanded Fan Speed xxx % FANSPEED
HT.1 Heat Stage 1 Relay Off/On HEAT_1
TG.H1 Heat Stage 1 Timeguard xxx sec TIMGD_H1
HT.2 Heat Stage 2 Relay Off/On HEAT_2
TG.H2 Heat Stage 2 Timeguard xxx sec TIMGD_H2
ComfortLINK v2.X
- 48/50HC 04---28 1
- Single Package Rooftop Units 1
- SAFETY CONSIDERATIONS 2
- BASIC CONTROL USAGE 3
- Accessory Navigator Display 4
- Operation 4
- CCN Tables and Display 4
- Force Hierarchy 5
- Generic Status Display Table 5
- START-UP 6
- Condenser Fans and Motors 7
- Return--Air Filters 7
- Outdoor--Air Inlet Screens 7
- Accessory Installation 7
- Orifice Change (48HC) 7
- Gas Heat (48HC) 8
- Economizer 9
- SERVICE TEST 12
- THIRD PARTY CONTROL 13
- CONTROLS OPERATION 14
- General Operation 15
- Occupancy Determination 16
- Cooling Mode Control 18
- Staging Control 18
- Compressor Control 19
- Outdoor Fan Control 19
- Heating Mode Control 19
- Heat Relay Control 20
- Economizer Position % 21
- Fan Speed % 21
- Free Cooling 22
- Thermostat Control 22
- Space Sensor Control 22
- Unoccupied Free Cooling 22
- Power Exhaust (CV units) 22
- Power Exhaust (SAVt units) 23
- IAQ (Analog Input) 23
- IAQ (Switch Input) 24
- Fan Enable (Switch Input) 24
- Dehumidification Demand 25
- Reheat Modes 25
- Temperature Compensated Start 29
- Carrier Comfort Network (CCN) 30
- Configuration 30
- Demand Limit 30
- TROUBLESHOOTING 31
- Complete Unit Stoppage 32
- Restart Procedure 32
- Alarms and Alerts 32
- MBB --- Main Base Board 37
- Green LED 39
- Yellow LED 39
- Cooling Troubleshooting 40
- Economizer Troubleshooting 42
- Heating Troubleshooting 43
- IDM – Induced-Draft Motor 44
- “AUTO” position 44
- Phase Loss Protection 46
- Thermistor Troubleshooting 46
- CIRCUIT “B” 49
- CIRCUIT “A” 49
- Transducer Troubleshooting 50
- Forcing Inputs and Outputs 50
- MAJOR SYSTEM COMPONENTS 53
- RED LED - STATUS GREEN LED 62
- LEN (LOCAL EQUIPMENT NETWORK) 62
- YELLOW LED 62
- CCN (CARRIER COMFORT NETWORK) 62
- INSTANCE JUMPER (SET TO 1) 62
- RED LED-STATUS 66
- 48/50HC 04--14 Units — 67
- 48/50HC 17--28 Units — 68
- Central Terminal Board (CTB) 68
- Scrolling Marquee Display 70
- Accessory Navigatort Display 70
- Interface 70
- Protective Devices 72
- Field-Installed Accessories 72
- MODE — RUN STATUS 75
- MODE — RUN STATUS (cont) 76
- MODE — SERVICE TEST 78
- MODE — TEMPERATURES 78
- MODE — PRESSURES 78
- MODE — INPUTS 79
- MODE — OUTPUTS 79
- MODE — SET POINTS 79
- MODE — CONFIGURATION 80
- MODE — TIME CLOCK 85
- CCN ONLY TABLES 85
- MODE — OPERATING MODES 86
- MODE — OPERATING MODES (cont) 87
- MODE — ALARMS 89
- VFD Diagnostics 95
- Table 32 — FAULT CODES (cont) 96
- Table 33 – ALARM CODES 97
- INDICATE UNIT SETTINGS BELOW 98
- MODE — CONFIGURATION (cont) 100
- ComfortLINK v2.X 100
- ELECTRICAL 103
- TEMPERATURES 103
- PRESSURES 103
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