Carrier 50HCQA Installation Manual Page 84
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APPENDIX A — LOCAL DISPLAY AND CCN TABLES
MODE — CONFIGURATION (cont)
ITEM EXPANSI O N RANGE UNITS DEFAULT
CCN TABLE/
S u b --- T A B L E
CCN POINT
PAGE
NO .
(GENERIC = CCN only) GENERIC S
POINT 01 Definition Point_01
POINT 02 Definition Point_02
POINT 03 Definition Point_03
POINT 04 Definition Point_04
POINT 05 Definition Point_05
POINT 06 Definition Point_06
POINT 07 Definition Point_07
POINT 08 Definition Point_08
POINT 09 Definition Point_09
POINT 10 Definition Point_10
POINT 11 Definition Point_11
POINT 12 Definition Point_12
POINT 13 Definition Point_13
POINT 14 Definition Point_14
POINT 15 Definition Point_15
POINT 16 Definition Point_16
POINT 17 Definition Point_17
POINT 18 Definition Point_18
POINT 19 Definition Point_19
POINT 20 Definition Point_20
TRIM Sensor Calibration (CCN TRIM --- see
Maintenance Display)
SPT.C Sp ace Temp Calib rati on --- 30 to 130 °F 46
SPT.T Space T emp T rim --- 30 to 30 ^F 0 46
SAT.C Supply Air Temp Calib. --- 30 to 130 °F 46
SAT.T Supply Air Temp T rim --- 30 to 30 ^F 0 46
RAT.C Return Air Temp Calib. --- 30 to 130 °F 46
RAT.T Return Air Temp Trim ---30 to 30 ^F 0 46
CCN CONFIGURATION
CCN CCN Configuration 48_50_HC
CCN.A CCN Elemen t Num ber 1 to 239 1 CCNADD 30
CCN.B CCN Bus Number 0 to 239 0 CCNBUS 30
BAUD CCN Baud Rate 1=2400
2=4800
3=9600
4=19200
5=38400
3 CCNBAUDD 30
BROD CCN Broadcast Config. BRODEFS
B.TIM CCN Time/Date Broadcast No/Yes No CCNBC 30
B.OAT CCN OA T Broadcast No/Yes No OAT BC 30
B.GS Global Sc h ed u le Broadc s t No/Yes No GS BC 30
B.ACK CCN Broadcast Ack’er No/Y es No CCNBCACK 30
SCH.O CCN Schedule Overrides SCHEDOVR
SCH.N Schedule Number
0 = Always Occupied
1 --- 6 4 = Loca l Sche d u l e
65---99 = Global Sch edu le
0 SCHEDNUM 30
HOL.G Accept Global Holidays No/Yes No HOL I D AYT 30
OV.TL Override Time Limit 0to4 hours 4 OTL 30
OV.EX Timed Override Hours 0to4 hours --- OVR_EX T 30
OV.SP SPT Override Enabled No/Y es Yes TIMEOVER
LDSH CCN LOADSHED CONFIG. LOADSHED
S.GRP Loadshed Group Number 0to16 0 SHED_NUM 30
R.MXC Redl in e Max Cool Stages 0to3 2 MAXCREDL 31
S.MXC Load s h ed Max Cool Stages 0to3 2 MAXCSHED 31
R.MXH Redl in e Max Heat Stag es 0to2 2 MAXHREDL 31
S.MXH L oads h ed Max Heat Stages 0to2 2 MAXHSHED 31
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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