Daikin VRV EMERION REYQ-AATJA Service Manual page 177

SiUS372201EB
REYQ192-240AA single system when outside temperature is higher than 0°C (32°F)
Part name
Compressor motor
Fan motor
Electronic expansion valve (Heat exchanger right upper)
Electronic expansion valve (Heat exchanger right lower)
Electronic expansion valve (Heat exchanger left)
Electronic expansion valve (Subcooling heat exchanger)
Electronic expansion valve (Receiver gas purge)
Electronic expansion valve (Refrigerant cooling IPM)
Electronic expansion valve (Refrigerant cooling air)
Solenoid valve (Oil separator oil return)
Solenoid valve (Liquid shutoff)
Solenoid valve (Accumulator oil return)
Solenoid valve (Refrigerant adjustment)
Solenoid valve (Injection)
Four way valve (Heat exchanger right upper)
Four way valve (Heat exchanger right lower)
Four way valve (Heat exchanger left)
Four way valve (HP/LP gas pipe)
Solenoid valve (Refrigerant cooling bypass)
Ending condition
Indoor unit actuator
Fan
Electronic expansion valve
Branch Selector unit actuator
Thermostat ON
Electronic
expansion Y1E Non-operating
valve (EVSC)
Thermostat OFF
Thermostat ON
Electronic
expansion Y2E Non-operating
valve (EVH)
Thermostat OFF
Thermostat ON
Electronic
expansion Y3E Non-operating
valve (EVL)
Thermostat OFF
Part 4 Functions and Control
Electric symbol
M1C, M2C
M1F, M2F
Y1E
Y2E
Y5E
Y3E
Y4E
Y6E
Y7E
Y1S, Y2S
Y3S
Y4S
Y5S
Y6S
Y10S
Y7S
Y9S
Y8S
Y11S
Thermostat ON unit
Non-operating unit
Thermostat OFF unit
Thermostat ON unit
Non-operating unit
Thermostat OFF unit
Normal cooling
0 pulse
0 pulse
0 pulse
6,000 pulse
6,000 pulse
6,000 pulse
6,000 pulse
6,000 pulse
6,000 pulse
Function of functional part
135.0 rps + 140.0 rps
(Defrosting side)
With high pressure
OFF ↔ Step X/2 ↔ Step X
(Evaporating side)
MAX Step
(Defrosting side)
100%
(Evaporating side)
Superheat control
Discharge temperature control
Liquid recovery control
Same as normal control
ON
ON
ON
OFF
ON
(Defrosting side)
OFF
(Evaporating side)
ON
OFF
Same as normal control
x
A lapse of 8 minutes
OR
x
Tb > 11°C (51.8°F) continues for 60 seconds or more
Cooling
Remote controller setting
OFF
Remote controller setting
Normal control
0 pulse
0 pulse
Normal simultaneous cooling/heating
Cooling Heating
0 pulse
Subcooling degree control
0 pulse 0 pulse
0 pulse 0 pulse
0 pulse 6,000 pulse
0 pulse 6,000 pulse
0 pulse 6,000 pulse
6,000 pulse 0 pulse
6,000 pulse 0 pulse
6,000 pulse 0 pulse
Special Control
Heating
OFF
OFF
OFF
0 pulse
0 pulse
0 pulse
Normal heating
0 pulse
0 pulse
0 pulse
6,000 pulse
6,000 pulse
6,000 pulse
0 pulse
0 pulse
0 pulse
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