Daikin VRV III REYQ8PY1 Service Manual page 108

R-410a heat recovery 50hz
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Si37-701
Electric symbol
Symbol
REYQ8~16P REMQ8~16P
Ta
R1T (A1P)
R8T (Suction
pipe1)
TsA
R10T (Suction
pipe2)
R4T
(Deicer1)
Tb
R12T
(Deicer2)
R2T
(Gas pipe1)
Tg
R11T
(Gas pipe2)
R7T
(Liquid pipe1)
Tf
R15T
(Liquid pipe2)
R5T
(Gas pipe1)
Tsh
R13T
(Gas pipe2)
R6T
(Liquid pipe1)
Tl
R14T
(Liquid pipe2)
Tsc
R9T
Tc
TcS
Te
TeS
Tfin
R1T (A4P) (A5P)
Tp
Tdi
R31T (R32T) R31T
Tds
R32T
Function
R1T (A1P)
Outdoor air temperature
R8T
Suction pipe temperature
R4T
Heat exchanger outlet temperature at cooling
R2T
Heat exchanger gas pipe temperature
Temperature of liquid pipe between heat exchanger and main electronic expansion
R7T
valve
R5T
Temperature detected with the subcooling heat exchanger outlet thermistor
R6T
Liquid pipe temperature detected with the liquid pipe thermistor
Temperature of liquid pipe between liquid shutoff valve and supercooled heat
R9T
exchanger
High pressure equivalent saturation temperature
Target temperature of Tc
Low pressure equivalent saturation temperature
Target temperature of Te
R1T (A3P)
Inverter fin temperature
Calculated value of compressor port temperature
Discharge pipe temperature of inverter compressor
R32T, R33T
Discharge pipe temperature of standard compressor
Description or function
Function General
97

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