AERMEC PCO5 Panduan Pengguna - Halaman 8

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11. Percentage data on the power supplied by compressor 3

12. Percentage data on the power supplied by compressor 4

13. This key selects the Master compressor as data source (this selection is only

available on the Master unit)

14. This key selects the Slave 1 compressor as data source (this selection is only

available on the Master unit)

15. This key selects the Slave 2 compressor as data source (this selection is only

available on the Master unit)

16. This key selects the Slave 3 compressor as data source (this selection is only

available on the Master unit)

ATTENTION: via serial (pLAN connection), the pCO5 control board can

manage up to 4 compressors, which are identified as:

U1: Master;

U2: Slave 1;

U3: Slave 2;

U4: Slave 3;

THE MAXIMU NUMBER OF UNITS THAT CAN BE CONNECTED VIA SERIAL

(pLAN) DEPENDS ON THE NUMBER OF COMPRESSORS THAT THE UNIT

HAS. In fact, if the system contains only one bi-compressor unit, the in-

terface will show as available the Master data (U:1) and the Slave 1 data

(U:2); similarly, the same case might indicate that the system is com-

posed of two separate single-compressor units.

3.4 DATA ENTERED IN THE LOWER BAR, AND NAVIGATION

KEYS

1. Current unit status; the possible displays on the unit are:

On = Unit functioning;

Off from alarm = Unit switched off due to the arising of an alarm condition;

OFF via supervisor = Unit switched off via BMS;

Off from range = Unit switched off because required by currently active time period;

Off from dig.inp. = Unit switched off by signal on digital input (ID1);

Off from keyboard = Unit switched off through key (6);

Pumpdown = Unit currently engaged in pumpdown cycle;

2. Value of the outside air temperature (real time value)

3. This icon indicates the current set-point being used (summer or winter) on the

basis of the selected operating mode

4. Indicates the current value for the operating set-point

5. This icon is displayed if there is an active alarm on the system - press it to view

the alarm menu

6. Press this key to visualise the menu selection page

7. Press this key to switch the unit ON or OFF directly

Note: If the system uses a MASTER/SLAVE configuration, remember that up to two

units can be managed with a "pLAN" serial connection (the address of the C-touch

MASTER panel must be "3", and that of the SLAVE "4"). It is recommended that the

two units - Master and Slave - are the same (same software version), so they can be

used in a balanced manner.

WARNING: it is essential that the Master and Slave units have the same

software version.