Carrier 30RQ Operation And Maintenance Instructions page 23

4.3.11.4 - Description of the User 2 Configuration sub-menu
User 2 Configuration sub-menu
Item Format Units
0 [1] USEr 2 Menu
1 «YES/no» -
2 n n n n -
1 2 3 4
00:00 to 23:59
3 n n n n -
1 2 3 4
00:00 to 23:59
4 0 to 100 %
5 0 or 65 to 99 -
6 0 or 65 to 99 -
7 1 to 239 -
8 0 to 239 -
9 0/1/2/3/4 -
10 «YES/no» -
11 «YES/no» -
12 nnn -
13 [1] nnn °C
14 «YES/no» -
15 nn °C
16 «YES/no» -
17 5 to 60 minutes
* n n : hours (00 to 23). The first time the Enter button is continuously pressed, the first two characters in the 4-digit display flash so that hours can be adjusted.
1 2
n n : minutes (00 to 59). Continuous pressing of the Enter key again causes the last two characters to flash so that minutes can be adjusted.
3 4
[1] This item shall be masked when not used.
Comments
When selected this item authorises return to the previous menu.
Periodic pump quick-start of the water pump(s)
Yes = the pump is started periodically when the unit is manually stopped.
No = periodic pump start is disabled
When the unit is manually stopped (e.g. during the winter season) the pump is started each day at 14.00 hours for 2 seconds. If
two pumps are available, pump #1 is started on odd days and pump #2 on even days.
Night control mode - start time*
Authorises entering the time of day at which the night control mode starts. During this period the fan runs at low speed (to reduce
fan noise) and unit capacity is limited to the maximum night values.
Night control mode - end time*
Authorises entering the time of day at which the night control mode ends.
Minimum demand limit threshold in night mode. The unit capacity is never unloaded below this threshold, when the night
mode is active (low noise level).
Schedule 1 clock number (for unit on/off schedule, see section 4.3.11.6)
0 = schedule in local operating mode
65 to 99 = schedule in CCN operating mode
Schedule 2 clock number (schedule for setpoint selection, see section 4.3.11.6)
0 = schedule in local operating mode
65 to 99 = schedule in CCN operating mode
CCN element address
No two network elements can have the same element number and bus number at the same time.
CCN bus number
No two network elements can have the same element number and bus number at the same time.
User interface description text language
0 = English
1 = Spanish
2 = French
3 = Portuguese
4 = other (requires additional remote downloading)
Extended display selection
YES = description of available menu
No = description of deactivated menu. This item permits activation or deactivation of the display showing the menu items.
Activation of the user password for all user configurations: date, time schedules and broadcast.
Software version number
This item shows the number of the software version used by this controller. Access is read only.
Boiler activation temperature threshold. If the outside temperature is below this value, the boiler is started.
Ice storage mode authorisation
YES = the ice storage mode is authorised
No = the ice storage mode is not authorised
Outdoor temperature limit (maximum) for authorisation of free cooling
Authorisation of pre-cooling by free cooling
YES = pre-cooling by the free cooling mode is authorised (i.e. free cooling is started when the difference between the outside
temperature and the leaving water temperature is higher than the threshold value of 8°C without taking into consideration the
temperature difference between the outside temperature and the set-point).
No = pre-cooling by the free cooling mode is not authorised (i.e. free cooling is only started when the difference between the
outside temperature and the set-point is higher than the threshold value of 8°C).
Maximum duration of full load operation in free cooling
If the unit operates at full load in free cooling for this duration, and if the set-point temperature is not satisfied, the free cooling
session must be stopped to allow the unit to restart in normal cooling mode (using the compressors).
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