37
1.2.1.2 Silent mode setting
In silent mode 1 / 2 / 3 and night silent mode, the outdoor fan speed decreases gradually. In super silent mode 1 / 2 / 3 / 4,
not only the fan speed decreases gradually, but also the compressor frequency decreases gradually.
Table 4-1.3: Silent mode setting
Switch Switch positions Description
ENC5
5 Silent mode 1 (only limit max. fan speed)
6 Silent mode 2 (only limit max. fan speed)
7 Silent mode 3 (only limit max. fan speed)
8
Super silent mode 1 (limit max. fan speed and compressor frequency)
9 Super silent mode 2 (limit max. fan speed and compressor frequency)
A Super silent mode 3 (limit max. fan speed and compressor frequency)
B Super silent mode 4 (limit max. fan speed and compressor frequency)
1.2.1.3 Maximum fan speed and capacity output control in different silent mode
Table 4-1.4: Maximum fan speed and capacity output control in different silent mode
ENC5
Switch
positions
Description
Max. fan speed index
1
capacity
8-10HP 12HP 14-16HP 18HP 20-22HP 24-26HP 28-30HP 8-30HP
0 Night silent time is 6h/10h (default)
28 28 30 29 29 31 31
100%
1 Night silent time is 6h/12h
2 Night silent time is 8h/10h
3 Night silent time is 8h/12h
4 No silent mode 29 30 33 33 35 33 35
5 Silent mode 1
28 28 30 31 31 31 31
6 Silent mode 2
26 26 28 29 29 29 29
7 Silent mode 3
24 24 27 27 27 27 27
8 Super silent mode 1
28 28 29 23 23 28 28
80%
9 Super silent mode 2 27 27 28 22 22 27 27 70%
A Super silent mode 3 26 26 27 21 21 26 26 60%
B Super silent mode 4
25 25 26 20 20 25 25
50%
1. Fan speed (rpm) for different fan speed index refers to Table 3-4.2 in Part 3, 4.6 “Outdoor Fan Control”.
2. If the system pressure is over 3.5MPa, the system exits silent mode automatically.
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