Heating Operation - Daikin RXYQ72 Serivce Manual

Refrigerant Flow for Each Operation Mode

Heating Operation

High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
30
Fan ON
Fan OFF
Heat exchanger
Fan
EXP : Normal control
Filter Filter
Indoor unit
Thermostat "ON"
To other outdoor unit oil equalizing pipe
S
S To other outdoor unit liquid pipe
S To other outdoor unit gas pipe
Indoor unit operation
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
5/16
SiUS39-601
Fan LL
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
Thermostat "OFF"
4D040338A
Refrigerant Circuit