Carrier 50HCQA Installation Manual Page 78
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APPENDIX A — LOCAL DISPLAY AND CCN TABLES
MODE — SERVICE TEST
ITEM EXPANSION RANGE UNITS CCN TABLE/Sub --- TABLE CCN POINT
SERVICE TEST
TEST Field Service Test Mode Off/On (TEST = display only)
INDP Test Independent Outputs TESTINDP
ECON Economizer Position Test 0 to 100 % S_ECONO
E.CAL Calibrate Economizer Off/On S_ECOCAL
PE.1 Power Exhaust 1 T est Off/On S_PE_1
PE.2 Power Exhaust 2 T est Off/On S_PE_2
ALRM Alarm Relay Test Off/On S_ALMOUT
OA.DM O A U 2 --- p o s i t i o n D a m p e r Close/Open S_OADMPR
WHL OAU Wheel Test 0 to 100 % S_WHEEL
OA.OF OAU OA Fan Speed Test 0 to100 % S_OAFAN
OA.XF OAU PE Fan Speed Test 0 to100 % S_EXFAN
OA.HT OAU Tempring Heater Test 0 to 100 % S_OAHEAT
FANS Te s t F a n s TESTFANS
F.SPD Indoor Fan Speed Test 0 to 100 % S_FANSPD
F. M O D IDF Fan Mode 0to7 S_IDFMOD
IDF1 Indoor Fan Test 1 Off/On S_IDF_1
IDF2 Indoor Fan Test 2 Off/On S_IDF_2
IDF3 Indoor Fan Test 3 Off/On S_IDF_3
COOL Test Cooling TESTCOOL
CMP.A Cool A Test Off/On S_COMP_A
CMP.B Cool B Test Off/On S_COMP_B
F.SPD Reduced Cool Fan Speed 0 to 100 % S_FSPDCL
HMZR Test Humidimizer TESTHMZR
RH1.A Reheat1 A Te st Off/On S_RH1_A
RH1.B Reheat1 B Test Off/On S_RH1_B
RH2.A Reheat2 A Te st Off/On S2_RH2_A
RH2.B Reheat2 B Test Off/On S2_RH2_B
F.SPD Reheat2 Fan Speed 0 to 100 % S_FSPDRH
CRC Cool--->Reheat1 Va lve Test Off/On S_CRC
RHV.A Reheat2 Valve A Test Off/On S_RH2_A
RHV.B Reheat2 Valve B Test Off/On S_RH2_B
HEAT Te s t H e a t in g TESTHEAT
HT.1 Heat Stage 1 Test Off/On S_HEAT_1
HT.2 Heat Stage 2 Test Off/On S_HEAT_2
F.SPD Reduced Heat Fan Speed 0 to 100 % S_FSPDHT
MODE — TEMPERATURES
ITEM EXPANSION RANGE UNITS
CCN TABLE/
S u b --- T A B L E
CCN POINT
CCN WRITE
STATUS
DISPLAY WRITE
STATUS
TEMPERATURES STATUS DISPLAY
AIR.T Air Temperatures UINPUT
SAT Supply Air Temperature xxx.x °F SAT_DISP
OAT Outdoor Air Temperature xxx.x °F OA_TEMP forcible forcible
SPT Space Temperature xxx.x °F SPACE_T forcible forcible
SPTO Space Temperature Offset xxx.x ^F SPTO forcible forcible
RAT Return Air Temperat ure xxx.x °F RETURN_T forcible forcible
REF.T Refrigerant Temperatures xxx.x °F
SST.A Sat. Suction Temp A xxx.x °F SST_A
SCT.A Sat. Condenser Temp A xxx.x °F SCT_A
SST.B Sat. Suction Temp B xxx.x °F SST_B
SCT.B Sat. Condenser Temp B xxx.x °F SCT_B
MODE — PRESSURES
ITEM EXPANSION RANGE UNITS
CCN TABLE/
S u b --- T A B L E
CCN POINT
CCN WRITE
STATUS
DISPLAY
WRITE
STATUS
PRESSURES STA TUS DISPLAY
SSP.A Suction Pressure A xxx.x psig UINPUT SSP_A
SCP.A Condenser Pressure A xxx.x psig SCP_A
SSP.B Suction Pressure B xxx.x psig SSP_B
SCP.B Condenser Pressure B xxx.x psig SCP_B
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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