Daikin VRV IV+ Service Manual page 153

https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
RYYQ-U / Heating mode and oil return operation in heating
mode
1
M
d
e
R5T
a
b
c
Indoor units conditions:
• Indoor unit 1: Operation ON, Thermo ON, Fan ON, Expansion valve: normal control
• Indoor unit 2: Operation OFF, Fan OFF, Expansion valve: average subcool control
• Indoor unit 3: Operation ON, Thermo OFF, Fan ON, Expansion valve: average subcool control
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 – 2019.07
2
M
d
e
Y3E
k
Y1E
R6T
Y2E Y4E
Y1S
S1NPL S1NPH
R3T
HPS
S1PH
R21T
g
M1C
SV
Y2S
3
M
d
e
R1T
i
M M
R4T
M1F M2F
R7T
j
Y5S
h
h
HPS
S2PH
R22T
R9T
R8T
Y3S Y4S
M2C
6 Technical data
Service manual
153