Daikin VRV S RXQ4/5ARV1 - Page 72

Control for 4/5/10/12 HP Outdoor Unit SiAF332111E
66 Part 4 Functions and Control
Radiation fin temperature control
According to the current limit of direct current
Model A (˚C) B (˚C) C (˚C)
4HP 82 79 92
5HP 78 75 85
10/12HP 79 76 84
Not limited
Limited
Tfin ≥ A
(˚C)
Tfin ≥ A (˚C)
Tfin ≥ C (˚C)
Fin temperature standby
• Tfin < B (˚C)
• Compressor upper limit: Maximum frequency
&
Compressor upper limit
frequency: 1-step down from
current compressor frequency
• 10 seconds
• Matching of frequency
&
Tfin ≤ B (˚C)
continues for 3
minutes
Compressor upper limit
frequency: 1-step up from
current compressor frequency
Current step maintained
Without conditions
When occurring 4 times
within 60 minutes,
the error code L4 is output.
Tfin: Fin thermistor temperature
Not limited
Existing DC power limit
requirement.
OR
OR
Compressor stopped
• No DC power limit requirement.
• Compressor upper limit : Maximum frequency
• 10 seconds
• Matching
frequency
Limited
15 seconds
No DC power limit
requirement continuously
for 3 minutes.
Compressor upper limit
frequency: 1-step down from
current compressor frequency
Compressor upper limit
frequency: 1-step up from
current compressor frequency
Current step maintained
Existing DC power
limit requirement.
Without conditions