User Guide

Technical Instructions RAA Series Room Thermostats
Document Number 155-519P25
March 2, 2007
Page 8 Siemens Building Technologies, Inc.
Maintenance
The room thermostat is completely maintenance-free. If inoperable, replace entire unit.
WARNING:
High voltage. Disconnect power before servicing. Metal part is not
grounded.
Wiring Diagrams
N
L
D1
N1
WY
L
T
TH0501R3
Heating Mode
N
L
N1
WY
L
D2
T
TH0502R2
Cooling Mode
D1 Heating device
D2 Cooling device
L Operating voltage
N Neutral
N1 Room thermostat
T Thermal switch
W Heating control output
Y Cooling control output
Figure 5. RAA10…and RAA20… Wiring.
Operating Diagrams
W
T[˚F]
ON
OFF
SP
SD
TH0488R3
Heating Mode
Y
T[˚F]
ON
OFF
SP
SD
TH0489R2
Cooling Mode
T Room temperature
SD Switching differential
SP Room temperature
setpoint
W Heating output signal
Y Cooling output signal
Figure 6. RAA10… and RAA20 Operating.
Dimensions
Dimensions in inches
(millimeters)
3.80
(96.4)
3.92
(99.6)
1.42
(36)
TH0503R2
Figure 7. RAA10… Unit.