Daikin ZQG71~140L7V1B Service Manual page 73

ESIE12-06
3.2.17 Thermostat OFF due to Outdoor Air Temperature (Only in Heating
Operation)
If outdoor air temperature is high, the unit conducts forced thermostat OFF at the following
temperature to protect the system.
3.2.18 Inverter Current Protection Control
Restricts compressor operation frequency to prevent compressor from tripping due to inverter
overcurrent.
Function and Control
Outdoor air temperature > 32°C
Inverter current
> Stepping down current
Compressor frequency
–1 step/6 sec.
The condition of Inverter current < Stepping down current
continues for 2 minutes
Stepping-down
current A
OR
RZQG71L-V
71
A 13.7
B 11.0
RZQSG71L-V
71
A 13.7
B 11.0
Normal operation
Compressor frequency
Outdoor heat exchanger temperature
(liquid) ³Indoor heat exchanger temperature
&
Outdoor heat exchanger temperature
(liquid) ³25°C
Outdoor heat exchanger temperature
(liquid) Indoor heat exchanger temperature
Outdoor heat exchanger temperature
(liquid) 25°C
100~140
20.0
14.0
100~125 140
17.6 20.0
17.6 14.0
Function Details
Inverter upper limit frequency
= Maximum frequency
+1 step/2 min.
Stepping-down
current B
RZQG71L-Y
71 100~140
8.7
7.0
RZQSG71L-Y
100~125
10.0
8.7
12.3
10.7
140
12.3
10.7
61