Outdoor Unit - Daikin ZQG71~140L7V1B Service Manual

Skyair gqi-eco series heat pump r-410a 50hz
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Function Details
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.
52
Item
Low pressure
0.12 MPa or less continues for 5 minutes
High pressure
over 3.92 MPa continues for 1 minute
Temperature over 110°C continues for 15
minutes or temperature exceeds 125°C
Discharge pipe
temperature
Temperature over 115°C continues for 10
minutes or temperature exceeds 125°C
Power supply
Thermostat OFF
ON
Compressor
Electronic
Operation
expansion valve
complete
Cooling
F sec.
Heating
ON
Outdoor unit fan
RZQG71L
A
480
B
480
C
480
D
480
E
480
F
60
G
60
H
30
I
30
Criteria
HPS activated or
RZQG71L
RZQG100-140L
Negative-phase-sequence power
Restart standby complete
OFF
D
A
C
B
0
E
Moves to "Stop" or "Starting control"
G
H
I
after completion of "Restart standby".
sec.
sec. sec.
0
OFF
Residual
operation
For 3 min.
RZQG100-140L
Number of retry
10 times in 200 minutes
15 times in 300 minutes
10 times in 200 minutes
None (No retry)
480
480
480
480
480
10
30
30
30
Function and Control
ESIE12-06

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