1
Control Features:.................................................................................................................................................................4
2
Control logic ........................................................................................................................................................................4
3
Smart Display ......................................................................................................................................................................5
3.1.
Buttons function ..........................................................................................................................................................5
3.2.
Icon .............................................................................................................................................................................6
4
Remote display ...................................................................................................................................................................8
4.1.
Buttons function ..........................................................................................................................................................8
4.2.
Icon .............................................................................................................................................................................9
4.3.
Remote display .......................................................................................................................................................... 11
4.3.1.
Menu list .................................................................................................................................................................... 12
5
5.1.
Menu root ................................................................................................................................................................. 12
Time range () ( end ) .................................................................................................................................. 12
5.2.
5.3.
Day () .................................................................................................................................................................. 12
5.4.
Night () .............................................................................................................................................................. 13
5.5.
Service () ........................................................................................................................................................... 13
5.6.
Input/output () ...................................................................................................................................................... 13
5.7.
Alarm history ().................................................................................................................................................. 13
5.8.
Plant configuration () ........................................................................................................................................... 14
5.9.
Parameter () ...................................................................................................................................................... 15
5.10.
Parameter () ........................................................................................................................................................ 15
5.11.
Parameter() ........................................................................................................................................................... 15
5.12.
Test mode () ...................................................................................................................................................... 16
5.13.
Parameter () ........................................................................................................................................................ 16
5.14.
Function status () ............................................................................................................................................... 16
6
Regulation logic ................................................................................................................................................................. 17
6.1.
Temperature Control probe ....................................................................................................................................... 17
6.2.
On-Off management .................................................................................................................................................. 17
6.3.
6.4.
Water coil antifreeze ................................................................................................................................................. 18
6.5.
Defrost ...................................................................................................................................................................... 18
6.6.
External damper ........................................................................................................................................................ 19
6.7.
Freecooling-heating ................................................................................................................................................... 19
6.8.
Heating ..................................................................................................................................................................... 19
6.9.
Cooling ...................................................................................................................................................................... 19
6.10.
Supply air limit temperature ...................................................................................................................................... 19
6.11.
Night mode ............................................................................................................................................................... 19
7
Alarms ............................................................................................................................................................................... 20
7.1.
Fire alarm .................................................................................................................................................................. 20
7.2.
Alarm list ................................................................................................................................................................... 20
8
BMS Modbus RS485 .......................................................................................................................................................... 21
8.1.
User variables: ........................................................................................................................................................... 22
firmware 0.25
Electronic Control "HRD EC" User Manual
Index
Rev.05
ENG
EN 2/ 23