Specifi cations/Product Ordering
Thermostats
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A-52
Power Supply
Operating Voltage ............................................................. 24 Vac +10%
Frequency
................................................................................ 50/60
Hz
Setpoint Setting Range
........................................ 46 to 86°F (8 to 30°C)
Maximum Control Deviation at 68°F (20°C)
................................. +0.7 K
Switching Differential Heating SDH
or P-band XpH (Selectable)
....................................... 2 or 7°F (1 or 4°C)
Switching Differential Cooling SDC
or P-band XpC (Selectable)
................................. 1 or 3.5°F (0.5 or 2°C)
Setpoint Shift Temperature @ 72°F (22°C)
...................... +22.5°F (+°C)
Control Outputs (Cooling) 4 & 5
........................................... 0 to 10 Vdc
Voltage
.........................................................................................24
Vac
Current
......................................................................................... +1
mA
Control Outputs (Heating) 8, 9 &10
.................................... 24 Vac ±20%
Motor Timing for Heat Output
.....................................150 sec. @ 60 Hz
Status Input D1
Contact Sensing .................................................. 6 to 15 Vdc /3 to 6 mA
Insulation Against Live Voltage ....................................................... 4 kV
Maximum Number of Contacts per Panel .......................................... 50
Status Input B1
Setpoint Shift of 36°F (12.5 C) ............................................. 0 to 10 Vdc
Neutral Position (No Setpoint Shift) .............................................. 5 Vdc
Signal Input B2 for Changeover Sensor
..........QAH11.1 Safety Class 2
Maximum Copper Cable Length 16 AWG
For Input Signal B1/B2 (RCU61U) .................................... 262 ft. (80 m)
For Input Signal D1 (RCU61U) ......................................... 262 ft. (80 m)
Operation
Temperature ...................................................... 32 to 122°F (0 to 50°C)
Humidity
.................................................................................. <95%
RH
Agency Listings
............UL Listed 197N; Conforms to CE Requirements
Connection Terminals
...... Use Solid Wires or Prepared Stranded Wires
2x13
AWG
or
1x16
AWG
Housing Color
Cover
............................................................................................. White
Base
...............................................................................................Gray
Shipping Weight
............................................................. 0.5 lb. (0.02 kg)
Device Combinations
Description
Type
Reference
Valve Actuator
SSA81
SSB61U
SSB81
SSC81
Damper
Actuator
GLB16x
GCA16x
GBB16x
GDE16x
Description
Part
No.
Room
Temperature
Controller
RCU61U
RCU61U
A-77
Accessories
& Service Kits