Siemens RDG1 Series Manual page 20

RDG110U
Application
∂ 2-pipe
∂ 2-pipe & radiator
∂ 4-pipe
∂ 2-stage
∂ 2-pipe & el. heater
∂ 1 and 2-stage
compressor
∂ Compressor & el.
heater
∂ Compressor &
reversing valve
For US installations, use Class 2 rated power supplies.
For other installations, use circuit breakers with rated current of no more than 10 A.
20/23
Siemens
Building Technologies
1-speed or 3-speed fan
V1 V2
 
YHC
YHC YR
YH YC
YHC1 YHC2
YHC YE
C1 C2
C1 YE
RV C1
RDG1... Wall-mounted room thermostats with LCD
N1 Room thermostat RDG110U
M1 1-speed or 3-speed fan
V Valve actuators:
On/Off, heating, cooling, radiator,
st
heating/cooling, 1 or 2
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.)
Q Relay outputs
Y11...Y22 Relay outputs
YH Heating valve actuator
YC Cooling valve actuator
YHC Heating/cooling valve actuator
YR Radiator valve actuator
YE Electric heater max. 5 A
st nd
YHC1/YHC2 1 /2 stage
RV Reversing valve
st nd
C1, C2 Compressor 1 /2
nd
stage
stage
CE1N3181en
2017-11-20