SiBE281013
Function Details
Function and Control
33
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
0.12 MPa or less continues for 5 minutes
10 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
RZQG71LV1B
Temperature over 110°C continues for 15
minutes or temperature exceeds 125°C
10 times in 200 minutes
RZQG100-140LV1B
Temperature over 115°C continues for 10
minutes or temperature exceeds 125°C
Power supply
Negative-phase-sequence power
None (No retry)
RZQG71LV1B
RZQG100-140LV1B
A
480
480
B
480
480
C
480
480
D
480
480
E
480
480
F
60
10
G
60
30
H
30
30
I
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
Cooling
Heating
Outdoor unit fan
For 3 min.
F sec.
0
Electronic
expansion valve
Residual
operation
G
H
sec. sec.
sec.
I
