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Technical Instructions
Document Number 155-328P25
October 6, 2016
Maintenance
Specifications
Power Supply
Functional Data
Environmental
Conditions
Agency Approvals
General
Page 10
The room temperature controller is maintenance-free. If inoperable, replace the entire
unit.
Operating voltage
Control action
Frequency
Setpoint setting range
Maximum control deviation at 68°F (20°C)
Switching differential heating SDH or
P-band XpH (selectable)
Switching differential cooling SDC or
P-band XpC (selectable)
Temperature setpoint shift
Control output, Terminal 4
Voltage
Current
Control output, Terminals 9 and 10
Three-position output
Voltage
Current
Motor timing for heating output
Status input D1
Contact sensing
Insulation against mains voltage
Maximum number of contacts connected
in parallel
Status input, terminal 1
Setpoint shift of 22.5°F (12.5°C)
Neutral position (no setpoint shift)
Maximum copper cable length 16 AWG
For Input Signal Terminal 1
For Input Signal D1
Operation
Temperature
Humidity
UL listing
Connection terminals
Use solid wires or prepared stranded wires.
Weight
Housing color
Cover
Base
RCU61U Room Temperature Controller
24 Vac ±10%
(P) Proportional
50/60 Hz
50°F to 85°F (10°C to 30°C)
±0.7K
2°F or 7°F (1°C or 4°C)
1°F or 3.5°F (0.5°C or 2°C)
±22.5°F at 72°F setpoint
0 to 10 Vdc
±1 mA
24 Vac ±20%
2A maximum
150 seconds at 50/60 Hz
6 to 15 Vdc/3 to 6 mA
4 kV
50
0 to 10 Vdc
5 Vdc
262 feet (80 m)
262 feet (80 m)
32°F to 122°F (0°C to 50°C)
<95% rh
UL 873
Conforms to CE requirements
cUL certified to Canadian Standard
C22.2 No. 24-93
2 × 16 AWG or 1 × 14 AWG
Maximum 20 AWG
0.5 lb (0.23 kg)
White
Gray
Siemens Industry, Inc.
for CAV Systems
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