FC66002179 – Rev.00
2
General characteristics ................................................................................................3
Main functions and features: .......................................................................................4
Function selector ................................................................................................................................................... 5
Fan control in AUTO mode (heating and cooling) ..................................................................................................... 5
LED indications. ..................................................................................................................................................... 6
Identifying the operating mode when the unit is disabled ......................................................................................... 6
Instructions for installing Micronet .............................................................................7
Setting the function dipswitches: .......................................................................................................... 10
List of dipswitches and respective functions . ........................................................................................................ 10
Room thermostat with control over air temperature: .............................................................................................. 11
Room thermostat with control over ON OFF valve for two-pipe systems .................................................................. 11
Room thermostat with control over ON OFF valves for four-pipe systems ................................................................ 11
Local manual Cooling/Heating changeover ............................................................................................................ 11
Automatic Cooling/Heating changeover according to water temperature ................................................................. 11
Technical data and operating limits: ..................................................................................................................... 13
Controller installation configuration ......................................................................... 14
Function configuration .............................................................................................. 14
C1 (Standard): two pipes ..................................................................................................................................... 14
C3: two pipes, one valve ...................................................................................................................................... 15
C5: four pipes, two valves ................................................................................................................................... 15
C7: four pipes ..................................................................................................................................................... 16
C13: two pipes, automatic changeover water side ................................................................................................. 16
C14: two pipes, one valve, automatic changeover water side - refer to diagram 2 .................................................. 17
Instructions for installing Micronet ................................................................................. 18
Connection to the RS485 communication network ................................................................................................. 18
Briefly, the situation is as follows: ......................................................................................................................... 18
“SMALL” Solution ................................................................................................................................................. 19
Installation on the support and fan coil unit ..................................................................................... 24
Self-diagnosis procedure ...................................................................................................................................... 25
Self-diagnosis procedure ...................................................................................................................................... 26
Position of the air temperature probe (black) for the FLAT unit. ............................................................................. 27
Positioning of water temperature sensor (white) for FLAT unit ............................................................................... 28
Wiring diagram for Micronet ..................................................................................... 29
Key to symbols used in wiring diagram: ................................................................................................................ 29
Wiring diagram for Micronet ..................................................................................... 30
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