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Connection diagrams
RDG100...
1- or 3-speed fan
2-pipe
2-pipe & radiator
4-pipe
2-stage
2-pipe
& el. heater
4-pipe
& el. heater
N1
Room thermostat RDG1...
M1
1- or 3-speed fan
V
Valve actuators:
ON/OFF or PWM, 3-position, heating, cooling,
radiator, heating / cooling, 1
E1
Electrical heater
C1, C2 Compressor
Siemens
Building Technologies
st
nd
or 2
stage
RDG1... room thermostats
RDG110
1- or 3-speed fan
2-pipe
2-pipe & radiator
4-pipe
2-stage
2-pipe
& el. heater
1- and 2-stage
compressor
Compressor
& el. heater
Compressor
& reversing
valve
S1, S2 Switch (keycard, window contact, etc.)
S3
Switch at SELV input (keycard, window contact)
B1, B2 Temperature sensor (return air temperature,
external room temperature, changeover sensor,
floor temperature limit, etc.)
RV
Reversing valve
Y
Relay
RV
11/12
N3181en
May 28. 2009
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