Trial Operation - Mitsubishi Electric VL-250CZPVU-R-E Installation Manual

8. Trial operation

After the system has been installed, make sure that cables are properly connected, then test the system's
operation.
■ Perform trial operation with the user in attendance.
- Noise sometimes increases for several minutes after the power to the Lossnay unit is turned off. This is
operation to maintain the ventilation air volume at the appropriate volume, and is not a malfunction.
- It is difficult to tell the ventilation state when there is wind outside or during operation of a range hood fan, etc.
When turning on the power, stop operation of the range hood fan or other noise sources.
Press each of the buttons by following the procedure below to check that operation is normal.
Operation Item
1. Powering on
ON/OFF lamp
2. Starting operation
3. Selecting air volume
4. Selecting the ventilation
mode
ON/OFF lamp
5. Stopping operation
* When the backlight is off, pressing any button turns the backlight on and does not perform its function. (Except
Operation Pad
Please Wait
Lossnay
F2
Auto Auto
F3
Lossnay
Display
Turn the power on
*It takes approximately five minutes to switch the screen.
10%
12:00 Sun
Press the
Auto
Fan Mode
Press the
The fan speed is switched
Press the
The ventilation mode switches in order Automatic → Heat
exchanger → By-pass
12:00 Sun
Press the
Eng-46
Step
button (operation LED lights)
button
button
button (operation LED goes out)
button)