Access Level (Menu 8) - Carrier CCU Control Manual

3 - MENU TREE
10 Supply air
fan(s)
0
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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
- Humidification
- Dehumidification
- 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 configuration 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.
50
10.1 FMA1
ENTER
information
10.1 FMA2
information
10.1 FMA3
information
0
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P1000
P1049
P1050
Supply air fan
information
P1099
P1100
P1149