Night Shift Mode Is Enabled (Heating Operation) - Hisense Hi-Therma Series Service Handbook

Control configuration for OU
(3) Sound pressure noise and Capacity ratio
When Night Shift Mode is enabled, the sound pressure noise and capacity ratio as follows.
Night_shift_demand(%)
40
50
60
70
80
90
100

11.3.6.2 Night Shift Mode is enabled (Heating operation)

(1) Outdoor Fan
The max step of outdoor fan Fomax:
Fomax = night_shift_demand/100*FoH (Fomax ≥ 6steps)
FoH: See the figure below
Note: FoA: See the figure below.
night_shift_demand Refer to the Section 10.9.7.
(2) Frequency Range
When Night Shift Mode is enabled, the maximum Frequency of outdoor unit as follows.
Night_shift_demand(%)
Outdoor Unit Capacity
044(2.0HP)
060(2.5HP)
080(3.0HP)
(3) Sound pressure noise and Capacity ratio
When Night Shift Mode is enabled, the sound pressure noise and capacity ratio as follows.
Night_shift_demand(%)
40
50
60
70
80
90
100
Sound Pressure Noise(dB)
044(2.0HP) 060(2.5HP)
35
38
41
43
45
46
47
15
FOH
11
-4 0
Outdoor Temperature [°C]
40 50
20 30
27 39
38 47
Sound Pressure Noise(dB)
044(2.0HP) 060(2.5HP)
35
40
41
43
45
47
47
080(3.0HP)
38 39
38 39
41 42
43 45
45 46
46 48
47 48
10
30 35
Maximum Frequency(Hz)
60 70
40 50
51 63
57 66
080(3.0HP)
38 39
42 43
43 44
46 47
48 48
48 50
48 50
300
80 90 100
60 70
75 86
76 85
80
95
95