___________________________________________________________________________ NT 1965 A - 03/201917
6.6
MAINTENANCE MENU
The
MAINTENANCE
menu is protected by a password (
1717
) to enable parameters to be viewed/changed.
Enter the password by selecting the input field using the ENTER button and then UP and DOWN.
In the
MAINTENANCE
menu, you can view/activate the specifications relating to the operation of the devices; such as
the operating hours or the maximum permissible fan operating hours threshold. You can also view the physical input
and output states of the board directly.
In addition, you can correct the sensor readings (to compensate for offsets due to wiring and sensor positioning).
In the
MAINTENANCE
menu, you can change the password (PSd2) by pressing on the RIGHT button.
6.6.1
MAINTENANCE
6.6.1.1
Page 1 - Fan operating hours (PM01, PM02, PM03)
On this screen, you can enter a fan operating limit in hours before maintenance is required (set to 8000 hours by
default, or approximately 330 days).
PM01: Maximum fan maintenance limit
PM02: Supply air fan operating hours
PM03: Return air fan operating hours
An alarm is triggered as soon as this threshold is reached. To acknowledge this alarm, set PM02 and PM03 to 0
6.6.1.2
Page 2 - Sensor calibration (PM11, PM12, PM13, PM14, PM15)
This screen allows you to calibrate the different sensors to between -10 and + 10°C
PM11: Frost protection sensor
PM12: Supply air sensor
PM13: Return air sensor
PM14: CO2 sensor (0-10V)
PM15: Fresh air sensor
6.6.1.3
Page 3 - Last maintenance date (PM90)
From the
Maintenance
menu, press on RIGHT until the following screen is displayed:
