Mitsubishi Electric VL-250CZPVU-R-E Installation Manual page 32

6.4.4 Auto bypass
In the Auto bypass mode, the product decides to operate heat exchange ventilation/bypass ventilation every 30 minutes.
On the «Auto bypass» screen, set the threshold of the switching map for heat exchange ventilation/bypass ventilation.
Outdoor temperature, indoor temperature, and their temperature difference can be set as the threshold.
[Outdoor temp. low limit]: T he lowest limit of outdoor temperature in the bypass ventilation area
[Target indoor temp.]: The lowest limit of indoor temperature in the bypass ventilation area
The factory default setting: 16°C / Setting range: 15 to 30°C
[Outdoor temp. cooler by]: The upper limit of temperature difference between indoor temperature and outdoor temperature
Note
- W hen °C/°F is switched on 6.4.2.4 «Display details» screen, the indications of the [Outdoor temp. low limit] and the
[Target indoor temp.] will be switched. The table shows the changed values.
˚C
10 11 12
˚F
50 52 54
Setting reference example)
40
Heat exchange ventilation area
38
36
34
32
Outdoor temp. cooler by 0K
30
28
26
Target indoor temp. 16 ˚C
24
22
20
18
16
14
12
10
Target indoor temp. 22 ˚C
8
8 10 12 14 16
Note
- C onditions of prohibiting bypass ventilation: In the following conditions, the ventilation mode switches to the heat
exchange ventilation mode.
- O utdoor temperature: 8°C or lower (condensation prevention on the product).
The prohibited conditions will be cancelled if the outdoor temperature becomes 10˚C or higher.
- W hen outdoor temperature thermistors or indoor temperature thermistors are in malfunction.
- W hen a slim air-conditioner, interlocked with the product, is operating in the fan operation mode or heating mode.
The factory default setting: 16°C / Setting range: 10 to 25°C
The factory default setting: 0K / Setting range: 0 to 7K
The factory default setting
13 14 15 16 17 18
55 57 59 61 63 64
Outdoor temperature
Outdoor temp. cooler by 2K
Bypass ventilation area
Outdoor temp. low limit 16 ˚C
Outdoor temp. low limit 20 ˚C
18 20 22 24 26 28 30 32 34 36 38 40
Indoor temperature (˚C)
19 20 21 22 23 24
66 68 70 72 73 75
Indoor temperature
Eng-32
25 26 27 28 29 30
77 79 81 82 84 86