Service Manual

SiUS281811E Service Settings Menu, Maintenance Menu
Part 3 Remote Controller 69
6.1.2 Maintenance Menu
Maintenance Menu Item 2 Remarks
Model Name Unit No. Select the unit number you want to check.
Indoor unit The model names are displayed.
(A model code may be displayed instead, depending on the
particular model.)
Outdoor unit
Operation Hours Unit No. Select the unit number you want to check.
Indoor unit operation hours All of these are displayed in hours.
Indoor fan operation hours
Indoor unit energized hours
Outdoor unit operation
hours
Outdoor fan 1 operation
hours
Outdoor fan 2 operation
hours
Outdoor compressor 1
operation hours
Outdoor compressor 2
operation hours
Indoor Unit Status Unit No. Select the unit number you want to check.
FAN Fan tap (1)
Speed Fan speed (rpm)
FLAP Swing, fixed
EV Degree that electronic expansion valve is open (pulse)
MP Drain pump ON/OFF
EH Electric heater ON/OFF
Hu Humidifier ON/OFF (2)
TBF Anti-freezing control ON/OFF
FLOAT Float switch OPEN/CLOSE
T1/T2 T1/T2 external input OPEN/CLOSE
Th1 Suction air thermistor
Th2 Heat exchanger liquid pipe thermistor
Th3 Heat exchanger gas pipe thermistor
Th4 Discharge air thermistor
Th5 Remote controller thermistor (FBQ, FTQ)
Floor temperature thermistor (FCQ)
Th6 Control temperature thermistor (FBQ, FCQ, FTQ)
Outdoor Unit Status Unit No. Select the Unit No. you want to check.
FAN step Fan tap
COMP Compressor power supply frequency (Hz)
EV1 Degree that electronic expansion valve is open (pulse)
SV1 Solenoid valve ON/OFF
Th1 —
Th2 —
Th3 Te: Low pressure equivalent saturation temperature
Th4 Tc: High pressure equivalent saturation temperature
Th5 —
Th6 —
Forced Defrost Forced defrost ON Enables the forced defrost operation.
Forced defrost OFF Disables the forced defrost operation.