Symbol - Daikin RTSQ20PY1 Service Manual

Function General
1.2

Symbol

Symbol

Electric symbol
20SA Y3S
20SB Y2S
DSH –
DSHi –
DSHs –
EV –
EVM Y1E
EVT Y3E
EVJ Y2E
HTdi –
HTds –
Pc S1NPH
Pe S2NPL
SH –
SHS –
SVE Y6S
SVP Y5S
SVL Y4S
SVG Y1S
SVO Y7S
SVT Y8S
Ta R1T
TsA R8T
Tb R4T
Tc –
TcS –
Tdi R31T
Tds R32T, R33T
Te –
TeS –
Tf R7T
Tfin R1T
Tg R2T
Tl R6T
Tsc R9T
Tsh R5T
83
Four way valve (Heat exchanger switch)
Four way valve (High/low pressure gas pipe switch)
Discharge pipe superheated degree (Discharge pipe temp.-high pressure equivalent saturation
temp.)
Discharge pipe superheat of inverter compressor
Discharge pipe superheat of standard compressor
Opening of electronic expansion valve
Electronic expansion valve for main heat exchanger
Electronic expansion valve for subcooling heat exchanger
Electronic expansion valve at the refrigerant charge port
Value of INV compressor discharge pipe temperature compensated with outdoor air
temperature
Value of STD compressor discharge pipe temperature compensated with outdoor air
temperature
Value detected by high pressure sensor
Value detected by low pressure sensor
Evaporator outlet superheat (Suction pipe temp.-low pressure equivalent saturation temp.)
Target evaporator outlet superheat
Main bypass solenoid valve
Solenoid valve for hot gas
Refrigerant regulator liquid pipe solenoid valve
Refrigerant regulator gas purging pipe solenoid valve
Refrigerant regulator discharge pipe solenoid valve
Refrigerant regulator discharge pipe solenoid valve
Outdoor air temperature
Suction pipe temperature
Heat exchanger outlet temperature at cooling
High pressure equivalent saturation temperature
Target temperature of Tc
Discharge pipe temperature of inverter compressor
Discharge pipe temperature of standard compressor
Low pressure equivalent saturation temperature
Target temperature of Te
Temperature of liquid pipe between heat exchanger and main electronic expansion valve
Radiation fin temperature
Heat exchanger gas pipe temperature
Liquid pipe temperature detected with the liquid pipe thermistor
Temperature of liquid pipe between liquid stop valve and subcooling heat exchanger
Temperature of gas pipe at the subcooling heat exchanger evaporation side
Description or function
SiBE31-801_C
Function