Symbol - Daikin RQYQ140-180PY1 Service Manual

SiBE341001
1.2

Symbol

Symbol

Electric symbol
20SA Y6S
Y7S
20SB
Y8S
DSH —
DSHi —
DSHs —
EV —
EVJ Y2E
EVM Y1E
EVT Y3E
HTdi —
HTds —
Pc S1NPH
Pe S2NPL
SH —
SHS —
SVB Y5S
SVG1 Y1S
SVG2 Y3S
SVL Y2S
SVP Y4S
Ta R1T
Tb R4T
Tc —
TcS —
Tdi R31T
Tds R32T, R33T
Te —
TeS —
Tf R7T
Tfin R1T (A3P)
Tg R4T
TI R6T
TsA R5T
Tsc R9T
Tsh R5T
Function
Four way valve (Heat exchanger switch)
Four way valve (Dual pressure gas pipe switch)
Four way valve (Mixing unit)
Discharge pipe superheated degree
Discharge pipe superheated degree of INV. compressor
Discharge pipe superheated degree of STD compressor
Opening of electronic expansion valve
Electronic expansion valve (Refrigerant charge)
Electronic expansion valve (Main)
Electronic expansion valve (Subcooling)
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 superheated degree
Target evaporator outlet superheated degree
Solenoid valve (Circuit of oil return)
Solenoid valve (Refrigerant regulator hot gas)
Solenoid valve (Refrigerant regulator gas vent pipe)
Solenoid valve (Refrigerant regulator liquid pipe)
Solenoid valve (Hot gas)
Outdoor air temperature
Heat exchanger outlet temperature at cooling
High pressure equivalent saturation temperature
Target temperature of Tc
Discharge pipe temperature of INV. compressor
Discharge pipe temperature of STD compressor
Low pressure equivalent saturation temperature
Target temperature of Te
Temperature of liquid pipe between outdoor unit heat exchanger and main electronic
expansion valve
Inverter fin temperature
Heat exchanger gas pipe temperature
Temperature of liquid pipe between main electronic expansion valve and subcooling heat
exchanger
Suction pipe temperature
Temperature of liquid pipe
Temperature of gas pipe detected with the subcooling heat exchanger outlet thermistor
Description of function
Function General
36