Function General; Symbol - Daikin RXYQ96PYDN Service Manual

SiUS34-801A_b

5. Function General

5.1

Symbol

Symbol Electric symbol
20SA Y3S
20SB Y2S (Y9S)
DSH –
DSHi –
DSHs –
EV –
EVM Y1E (Y3E)
EVT Y3E (Y2E, Y5E)
EVJ Y2E (Y4E)
HTDi –
HTDs –
Pc S1NPH
Pe S2NPL
SH –
SHS –
SVE Y6S (Y5S, Y10S)
SVP Y5S (Y4S)
SVL Y4S (Y3S)
SVG Y1S
SVO Y7S
SVT Y8S (Y6S)
Ta R1T (A1P)
TsA R8T (R10T)
Tb R4T (R12T)
Tg R2T (R11T)
Tf R7T (R15T)
Tsh R5T (R13T)
Tl R6T
Tsc R9T (R14T)
Tc –
TcS –
Te –
TeS –
Tfin R1T (A3P)
Tp –
Tdi R31T (R32T)
Tds R32T, R33T
Note: Symbol in ( ) are for RXYQ144PTJU.
VRVIII R-410A Heat Pump 60Hz
Four-way valve (Heat exchanger switch)
Four-way valve (High/low pressure gas pipe switch)
Discharge pipe superheated degree
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
Target evaporator outlet superheat
Main bypass solenoid valve
Solenoid valve for hot gas
Refrigerant regulator liquid pipe solenoid valve
Refrigerant regulator gas pipe solenoid valve
Refrigerant regulator exhaust pipe solenoid valve
Refrigerant regulator discharge pipe solenoid valve
Outdoor air temperature
Suction pipe temperature
Heat exchanger outlet temperature at cooling
Heat exchanger gas pipe temperature
Temperature of liquid pipe between heat exchanger and main electronic expansion valve
Temperature detected with the subcooling heat exchanger outlet thermistor
Liquid pipe temperature detected with the liquid pipe thermistor
Temperature of liquid pipe between liquid shutoff valve and subcooled heat exchanger
High pressure equivalent saturation temperature
Target temperature of Tc
Low pressure equivalent saturation temperature
Target temperature of Te
Inverter fin temperature
Calculated value of compressor port temperature
Discharge pipe temperature of inverter compressor
Discharge pipe temperature of standard compressor
Description or function
Function General
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