27
Heat Controller
VMH 30, 36 SerieS
Service Manual
25
8.4.3.3 Indoor fan running rules:
44
38
37
34
33
Setting
Low
Breeze
Super Breeze
Off
24
17
If the compressor stops caused by room temperature rising, indoor fan will be forced to run 127
seconds with breeze. During this period, anti-cold-wind is disabled. After this, anti-cold –wind function
is available.
If the machine runs in rating capacity test mode, indoor fan runs with rating speed, and anti-cold-wind
is disabled.
Indoor fan speed can be set on high, medium, low or auto models, but the anti-cold-wind function has
the priority.
The auto fan action in heating mode:
8.4.3.4 Defrosting mode
：
The condition of defrosting:
Condition 1: If T4>32°F(0°C),
When the units are running, if the following two items are satisfied the units start defrosting:
C°
(44)
(38)
(37)
(34)
(33)
(24)
(17)
F°
111°
100.5°
9
8.6
°
93°
91.5°
75°
62.5°
ΔT
=Room Temp – Set Temp
F°
36.5°
35.5°
34.5°
34°
C°
(2.5)
(2.0)
(1.5)
(1.0)
medium
