S+S Regeltechnik THERMASREG FM Series, Operating Instructions, Mounting & Installation

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Schematic diagram FM 010
G Supply voltage
G0 Reference point – supply voltage
K1+ Communication – central building control
K1 – Communication – central building control system –
K2+ Communication – room unit +
K2– Communication – room unit –
DI1 Input – presence
(switches setback ⁄ normal temperature)
DI2 Input – window contact
(switches normal temperature ⁄ setback – OFF)
G Voltage for inputs and outputs
G0 Voltage for inputs and outputs –
reference point
DO1 Output – heating valve (G, against G0)
DO2 Output – cooling valve (G, against G0)
COM Common contact for Q1, Q2, Q3
Q1 Fan coil convector relay step 1
Q2 Fan coil convector relay step 2
Q3 Fan coil convector relay step 3
G
G0
FM010
DI2 DI1 G G G0 G0 DO2 DO1 COM Q3 Q2 Q1
N
L
6 7 4 3
K+
K-
MBR010
MBR011
24 V AC
230 V AC
G TE G0 G0 G K1- K1+ K2- K2+