Daikin GQI-Eco Series, Service Manual

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Function Details ESIE15-13B
36 Function and Control
3.2 Outdoor Unit
3.2.1 Abnormal Stop
When the following items show abnormal values, the thermostat turns OFF and error is
determined based on the number of retry in order to protect the compressor and other devices.
3.2.2 Restart Standby
To prevent compressor from frequent ON/OFF and equalize pressure in refrigerant line,
conducts forced thermostat OFF for 3 minutes after compressor stopping. Moreover, outdoor
unit fan conducts residual operation for a period of time to expedite equalization and prevent
refrigerant from entering in evaporator.
Item Criteria Number of retry
Low pressure
LPS activated or 0.12 MPa or less continues
for 5 minutes
6 times in 200 minutes
High pressure
HPS activated or
over 3.92 MPa continues for 1 minute
15 times in 300 minutes
Discharge pipe
temperature
RZQG71L
Temperature over 110°C continues for 15
minutes or temperature exceeds 125°C
10 times in 200 minutes
RZQG100-140L
Temperature over 110°C continues for 10
minutes or temperature exceeds 120°C
Power supply Negative-phase-sequence power None (No retry)
RZQG71L RZQG100-140L
Cooling Heating
A 480 480 200
B 480 480 200
C 480 480 200
D 480 480 200
E 480 480 200
F 60 10 10
G 60 30 30
H 30 30 30
I 30 30 30
OFF
OFF
ON
ON
B
A
C
D
E
0
Moves to "Stop" or "Starting control"
after completion of "Restart standby".
Restart standby complete Thermostat OFF
Compressor
Operation
complete
Outdoor unit fan
For 3 min.
F sec.
Electronic
expansion valve
Residual
operation
G
H
sec. sec. sec.
I