Function General; Symbol - Daikin VRV - WII Service Manual

SiUS30-604

1. Function General

1.1

Symbol

Symbol

Electric symbol
20S1 Y5S
20S2 Y7S
DSH —
DSHi —
EV (Y1E, Y3E)
EV1 Y1E
EV3 Y3E
HTDi —
Pc S1NPH
Pe S1NPL
SH —
SHS —
SVG Y4S
SVL Y3S
SVE Y2S
SVP Y1S
SVSL Y6S
Tc —
TcS —
Te —
TeS —
Tfin R1T
Ts R2T
Tsh R5T
Tp —
Tdi R3T
Tl R6T
Tg R4T
Function
Four way valve (Main)
Four way valve (For heat exchanger)
Discharge pipe superheat
Discharge pipe superheat of inverter compressor
Opening of electronic expansion valve
Electronic expansion valve for water heat exchanger
Electronic expansion valve for sub-coolig heat exchanger
Value of INV compressor discharge pie temperature (R3T) compensated with outdoor air
temperature
Value detected by high pressure sensor
Value detected by low pressure sensor
Evaporator outlet superheat
Target evaporator outlet superheat
Solenoid valve for discharging gas from receiver
Solenoid valve for gas charging to receiver
Solenoid valve for oil collection from water heat exchanger
Solenoid valve for hot gas bypass
Solenoid valve for non-operating unit liquid pipe closing
High pressure equivalent saturation temperature
Target temperature of Tc (Condensing temperature)
Low pressure equivalent saturation temperature
Target temperature of Te (Evaporating temperature)
Inverter fin temperature
Suction pipe temperature detected by R2T (Suction pipe)
Temperature detected by R5T-gas pipe temperature of sub-cooling heat exchanger gas
side (outlet temperature)
Calculated value of compressor port temperature
Discharge temperature detected by thermistor located the inverter compressor discharge
pipe
Liquid pipe temperature
The gas pipe temperature of water heat exchanger
Description or function

Function General

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