Carrier CCU - 4 Access Level (Menu 8)

3 - MENU TREE
10 Supply air
fan(s)
ENTER
10.1 FMA1
information
10.1 FMA2
information
10.1 FMA3
information
P1000
P1049
P1050
P1099
P1100
P1149
Supply air fan
information
0
Back to menu
0
Back to menu
4 - ACCESS LEVEL (MENU 8)
The CCU CONTROLLER has 3 access levels, two of which require an access code. The various levels are accessed using menu 8
in the unit's menu.
■ Access to level 1 (No access code)
This is a general level designed for the end user. This level gives access to all the reading parameters and the settings for the main
setpoints and proportional bands:
- Cooling
- Heating
- Humidication
- Dehumidication
- Supply air temperature limits
- Temperature and humidity limit thresholds
- Filter check.
It also allows the language, date and time to be altered.
■ Access to level 2 (editable numeric code)
This level is designed for installers and experienced users. It gives access to the following functionalities:
- Free cooling
- On/off control and conguration lock
- Fixed offsets during heating/cooling
- Limits relating to the speed variations of the forced-draught fans
- Time delay settings
- CMS communication parameter settings
■ Access to level 3 (non-editable numeric code)
This level is designed for the manufacturer's operators and for factory settings. It gives access to all parameters of the control.
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