Lennox VPB Series, Installation & Operation Instructions

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Menu Structure
1st Level Menu 2nd Level Menu Display Example Value Description
DATA
System Data
OU ADDRESS 0 Outdoor unit address: 0/1/2
OU CAPACITY 12 TON Outdoor capacity/Ton
SYS.CAPACITY 20 TON System capacity/Ton
OU QUANTITY 2 Outdoor unit quantity in the system
IU QTY. 20 Indoor unit quantity in the system
COOLING IU QTY. 10 Indoor unit quantity in cooling in the system
HEATING IU QTY. 10 Indoor unit quantity in heating in the system
MODE MIX COOLING
System operation mode: OFF/COOLING /HEATING /
MIX COOLING/MIX HEATING
STATUS RUNNING
Current status, LASTEST ERROR CODE/
DEFROSTING/OIL RETURN/STANDBY/RUNNING
Operational Data
HIPRESSURE 650 PSIG System high pressure
LOPRESSURE 250 PSIG System low pressure
COMPRESSOR A 102 HZ Main compressor speed
COMPRESSOR B 100 HZ Sub compressor speed
FAN STEP 13+13 Outdoor left and right fan motor speed step:0~25
EXVA 320P/480P EXV A opening: current opening/fully opening
EXVB 320P/480P EXV B opening: current opening/fully opening
EXVC 320P/480P EXV C opening: current opening/fully opening
EXCHANGER COND+COND
Outdoor left and right exchanger status:
COND+COND/COND+ OFF/EVAP+OFF/EVAP+EVAP/
COND + EVAP (COND-CONDENSER,EVAP-
EVAPORATOR)
Temp Sensor Data
T2 AVERAGE 100°F Average of all indoor unit coil temperature
T2B AVERAGE 100°F Average of all indoor unit coil outlet temperature
LEFTCON. T3A 100°F Outdoor left exchanger temperature
RIGHTCON. T3B 100°F Outdoor right exchanger temperature
AMBIENT T4 100°F Outdoor ambient temperature
T6A 100°F Outdoor unit subcooler inlet temperature
T6B 100°F Outdoor unit subcooler outlet temperature
T7C1 100°F Main compressor discharge temperature
T7C2 100°F Sub compressor discharge temperature
TC 100°F System condensation temperature
TE 100°F System evaporation temperature
TF1 100°F Main compressor inverter module temperature
TF2 100°F Sub compressor inverter module temperature
DSH 100°F Discharge temperature superheat
T10 100°F External outdoor ambient sensor temperature
Electrical Data
COMPRESSOR A 20A Main compressor current
COMPRESSOR B 15A Sub compressor current
VOLTAGE 208/230VAC Input voltage
Firm Ware Version
MAIN SOFTWARE 00.01 Main control PCB software version
LCD SOFTWARE 00.01 LCD module software version
ALARM CODE
LATEST ALARM
CODE
Refer to "ERROR
CODE" table
CLEAR HISTORY
Clear all the error code record