Carrier 39HXC, Manual

Page: 14 / 64

Accessing the parameters
In each parameters table, it is possible to scroll down the table with a finger.
In the setpoint or setting parameters table, it is possible to modify a value by pressing on it. A numeric pad
will open, indicating the possible setting range (min. and max.), and this must be validated via
It is possible to seek a parameter from its number. To do so, press the icon in the menu bar. Enter the parameter number, and
validate with . If the parameter exists and your access level is sufficient, you will be automatically red irected to the page containing
this parameter. Otherwise, an error message will be displayed.
Access level
Pressing on the padlock in the menu bar or main menu will access the access level selection.
The current level is displayed at the bottom of the screen. To go back to level 1, you need to enter the password "1111".
Pressing on the stars will bring up a numeric keypad to enter the password for the desired level:
Once a password has been entered, is used to view the password, and is used to validate.
Curves
The screen records the values of the main parameters (temperatures, flow rate, duct pressure and filter differential pressure).
It is possible to choose the record duration (1, 6, or 12 months), the oldest values are erased, which sets the sampling period
(1 acquisition every 60 s for example))
1 month (1 every 60 s)
6 months (1 every 400 s)
12 months (1 every 800 s)
2 - THE CONTROL PLC
14