Carrier 50PG20-28 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 5

Single package rooftop units with comfortlink tmcontrols and puron (r-410a) refrigerant
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RUN
STATUS
Auto View
of
Run
Status
(VIEW)
¢
Software
Version
Numbers
(VERS)
4,
Component
Run
Hours
{HRS)
¢
Component
Starts
(STRT)
¢
Control
Modes
(MODE)
4,
Cooling
Status
(COOL)
¢
Heating
Status
(HEAT)
¢
Economizer
Status
(LOON)
SERVICE
TEST
Service
Test
Mode
(TEST)
Testlndependent
Outputs
(iNDR)
¢
Test
Fans
(FANS)
¢
Test
Cooling
(COOL)
4,
Test
Humidimizer
(HMZR)
¢
Test
Heating
CHEAT)
Table 2 -- Scrolling Marquee Menu Display Structure
TEMPERATURES
Air
Temperatures
(AiR.T}
4,
Refrigerant
Temperatures
(REFT}
PRESSURES
Suction
Pressure
A
{SSRA)
Condenser
Rressu_A
(SCRA)
4,
Suction
Pressure B
(SSRB)
4,
Condenser
Rressu_B
(SCRB)
4,
Suction
Pressure
C
(SSRC)
4,
Condenser
Pressure
C
(SCRC)
SETPOINTS
Occupied
Cool
Setpoint
(OCSR)
4,
Unoccupied
Cool
Setpoint
(UCSP)
4,
Occupied
Heat
Setpoint
(OHSP)
Unoccupied
Heat Setpomt
(UHSP)
4,
Heat-Cool
Setpoint
(GAP)
4,
SPT
Offset
Range
{±)
(STO
R)
4,
Space
RH
Setpoint
(RH
SP)
Space
RH
Deadband
{RH.DB)
4,
Reheat
Heat
SP Deadband
{RH.HB)
CEcuRA
Lockout Temp
(CA.LO}
4,
Circuit
B
Lockout
Temp
(CBLO)
4,
Circuit C
Lockout Temp
{CC LO)
Heating
Lockout
Temp
(HTLO)
Econo
Cool
Hi
Temp
Limit
(EH.LO}
4,
Econo
CoolLo
Temp
Limit
(ELLO)
4,
Free
Cool Low
Temp
Limit
{FC LO)
Low Cool SAT
Set Point
{LCSR)
4"
High Cool SAT
Set Point
(HCSP)
4,
Minimum SAT
Upper Level
{SAT.U)
Minimum
SAT
Lower
Level
(SA'ZL)
INPUTS
OUTPUTS
CONFIGURATION
Thermostat
Fan Outputs
Display
Inputs
(FANS)
Configuration
{STAT)
4,
(DISP)
4,
4,
CooJ Outputs
General
Inputs
{COOL)
Unit
{GEN I)
4,
Configuration
4,
(UNIT)
Heat
Outputs
4,
Current
(HEAT)
Sensor
Inputs
4,
Cooling
(CS IN}
Configuration
4,
Economizer
(COOL)
Outputs
4,
Air Quality
(LOON)
Inputs
4,
Humidimizer
{AIR
Q)
Config.
Alarm
Relay
(HMZR}
(ALRM)
4,
Heating
Configuration
(HEAT)
4,
Economizer
Configuration
(ECON)
4,
Air Quality
Cfg.
(AIR.Q)
4,
Alarm
Relay
Conflg.
(ALM
O)
4,
Sensor
Calibration
(TRIM)
4,
CCN
Configuration
(CON)
TIME
CLOCK
Time
of Day
(TIME)
4,
Month
Date
Day andYear
(DATE)
4,
Daylight
Savings
Time
{DST)
4,
LocalTime
Schedule
(SCHL)
4,
Local
Holiday
Schedules
(HOL.L)
OPERATING
MODES
Control
Modes
{MODE)
4,
Cool
Mode
Diagnostic
(COOL)
4,
Humidimizer
{HMZR)
4,
Heat
Mode
Diagnostic
(HEAT)
4,
Economizer
Diagnostic
{LOON)
ALARMS
ResetAII
Current
Alarms
(R CURR)
4,
Reset
Alarm
History
(RHIST)
4,
Currently
Active
Alarms
{CURR)
4,
Alarm
History
(HIST)

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Troubleshooting

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48pg20-28

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