Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Function General
VRVIII R-410A Heat Pump 60Hz 41
5. Function General
5.1 Symbol
Note: Symbol in ( ) are for RXYQ144PTJU.
Symbol Electric symbol Description or function
20SA Y3S Four-way valve (Heat exchanger switch)
20SB Y2S (Y9S) Four-way valve (High/low pressure gas pipe switch)
DSH – Discharge pipe superheated degree
DSHi – Discharge pipe superheat of inverter compressor
DSHs – Discharge pipe superheat of standard compressor
EV – Opening of electronic expansion valve
EVM Y1E (Y3E) Electronic expansion valve for main heat exchanger
EVT Y3E (Y2E, Y5E) Electronic expansion valve for subcooling heat exchanger
EVJ Y2E (Y4E) Electronic expansion valve at the refrigerant charge port
HTDi –
Value of INV compressor discharge pipe temperature compensated with outdoor air
temperature
HTDs –
Value of STD compressor discharge pipe temperature compensated with outdoor air
temperature
Pc S1NPH Value detected by high pressure sensor
Pe S2NPL Value detected by low pressure sensor
SH – Evaporator outlet superheat
SHS – Target evaporator outlet superheat
SVE Y6S (Y5S, Y10S) Main bypass solenoid valve
SVP Y5S (Y4S) Solenoid valve for hot gas
SVL Y4S (Y3S) Refrigerant regulator liquid pipe solenoid valve
SVG Y1S Refrigerant regulator gas pipe solenoid valve
SVO Y7S Refrigerant regulator exhaust pipe solenoid valve
SVT Y8S (Y6S) Refrigerant regulator discharge pipe solenoid valve
Ta R1T (A1P) Outdoor air temperature
TsA R8T (R10T) Suction pipe temperature
Tb R4T (R12T) Heat exchanger outlet temperature at cooling
Tg R2T (R11T) Heat exchanger gas pipe temperature
Tf R7T (R15T) Temperature of liquid pipe between heat exchanger and main electronic expansion valve
Tsh R5T (R13T) Temperature detected with the subcooling heat exchanger outlet thermistor
Tl R6T Liquid pipe temperature detected with the liquid pipe thermistor
Tsc R9T (R14T) Temperature of liquid pipe between liquid shutoff valve and subcooled heat exchanger
Tc – High pressure equivalent saturation temperature
TcS – Target temperature of Tc
Te – Low pressure equivalent saturation temperature
TeS – Target temperature of Te
Tfin R1T (A3P) Inverter fin temperature
Tp – Calculated value of compressor port temperature
Tdi R31T (R32T) Discharge pipe temperature of inverter compressor
Tds R32T, R33T Discharge pipe temperature of standard compressor