Carrier 50HCQA Installation Manual Page 80
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- Table of contents
- TROUBLESHOOTING
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80
APPENDIX A — LOCAL DISPLAY AND CCN TABLES
MODE — CONFIGURATION
ITEM EXPANSI O N RANGE UNITS DEFAULT
CCN TABLE/
S u b --- T A B L E
CCN POINT
PAGE
NO .
CONFIGURATION SERVICE
CONFIGURATION
DISP DISPL AY CONFIGURATION DISPLAY
METR Metric Display No/Y es No DISPUNIT 14
LANG Language Selection 0=English
1=Spanish
2=French
3=Portuguese
0 LANGUAGE 14
PROT Password Enable Disable/Enable Enable PASS_ EBL 14
PSWD Service Password 0000 to 9999 1111 PASSWORD 14
TEST Test Display LEDs Off/On Off (display only,
not in table)
DISPTEST 14
UNIT UNIT CONFIGURATION UNIT
S.DLY Startu p Delay 10 to 600 sec 30 STARTDL Y 14
U.CTL Unit Control Type 2=Thermostat
3=Space Sensor
2 CTL_TYPE 14
T. C T L Thermostat Control Type 0=Adaptive
1=1 Stage Y1
2=2 Stage Y1
3=Digital
0 STA TTYPE 14
FN.SW F an S tatu s S wi tc h 0=No Switch
1=Normal Open
2=Normal Closed
0 FANSTCFG 14
FL.SW Filter Status Switch 0=No Switch
1=Normal Open
2=Normal Closed
0 FILS T C FG 14
FS.SW Fire Shutdown Switch 0=No Switch
1=Normal Open
2=Normal Closed
0: no FIOP
1: FIOP
SHTDNCFG 14
RM.SW Remote Occupancy Swi tc h 0=No Switch
1=Normal Open
2=Normal Closed
0 REMOCCFG 14
SAT.T SA T Settling Time 10 to 900 sec 240 SAT_SET 14
RAT.S RAT Sensor Installed No/Y es No RA T _SEN S 14
RH.S RH Sensor on OAQ Input No/Y es No RH_OAQ 14
RH.SW Space Humidity Switch 0=No Switch
1=Normal Open
2=Normal Closed
0 HUMSTCFG 14
TCS.C Temp Cm p S trt Cool Fac tr 0to60 mins 0 TCST COOL 14
TCS.H TempCmpStrtHeatFactr 0to60 mins 0 TCSTHEAT 14
I.FAN INDOOR FAN CONFIG AFAN_CFG
FTYP In door F an Type 0 = 1 --- S P E E D
1=LEN VFD
0
1: SAV option
FAN_TYPE 16
NSPD Num ber of Speeds 2, 3, or 7 2 NUM_SPDS 16
OC.FN FanOnWhenOccupied No/Y es Yes OCC_FAN 17
IDF.F Shut Down on IDF Failure No/Y es Yes FAT ALFAN 16
FS.MX Su pply Fan Maximum Speed 80 t o 100 100 SPEEDMAX 17
FS.VN Fan Speed --- V entilation 0 to 100 % 67 FS PDV E N T 17
FS.AQ Fan Sp eed --- IAQ Overrid e 0 to 100 % 100 FSPD AQOR 17
FS.E1 Fan Speed --- Free Cool Lo 0 t o 100 % 67 FSPDEC O1 17
FS.CL F an S peed --- Mech Cool in g 60 to 100 % 67 FSPDCOOL 17
FS.RH Fan Speed --- Reheat2 65 t o 100 % 100 FSPDRE HT 17
S.VFD SUPPLY FAN VFD CONFIG
N.VLT VFD 1 Nom in al M otor V ol ts 0 to 999 volts 230: 208/230v 1ph or 3ph
460: 460v
575: 575v
VFD1NVL T
N.AMP VFD 1 Nomi n al Motor Am ps 0 to 999 amps See VFD Motor Param eters tabl e VFD1NAMP
N.FRQ V FD1 Nom in al Motor Freq 10 to 500 60 VFD1NFRQ
N.RPM VFD1 Nom in al M otor RPM 50 to 30000 S ee VFD Motor Par ameters tabl e VFD1NRPM
N.PWR VFD1 Nom in al M otor HPwr 0 to 500 See VFD Motor Par ameters tabl e VFD1NPWR
MAX.A VFD1 Maximum Amps 0 to 999 amps See VFD M otor Par ameters tabl e VFD1MAXA
M.DIR VFD1 Motor Dire c tion 0=FORWARD
1=REVERSE
0 VFD1MDIR
ACCL VFD1 Acceleration Time 0 t o 1800 secs 30 VFD1ACCL
DECL VFD1 Deceleration Time 0 to 1800 secs 30 VFD1DECL
SW.FQ VFD1 Switching Frequency 0to3 2 VFD1SWFQ
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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