A-62
Specifications/Product Ordering
Thermostats & Hygrostats
Operating Voltage ................................................................ 24 Vac +20%
Frequency ................................................................................... 50/60 Hz
Power Consumption ..........................................................Maximum 4 VA
Control Output 1–6 ................................................................. 0 to 10 Vdc
Resolution .................................................................................... 39 mV
Effective Current ...........................................................Maximum +1 mA
Return Air Temperature Input 4–3
and Changeover .................................................QAH11.1 Safety Class 2
Temperature Input 2–3 (RDU50) .NTC Resistor 3K Ohm at 77°F (25°C)
Dry Contact D1 and GND
Contact Sensing ................................................... 6 to 15 Vdc/3 to 6 mA
Operating Action .....................................................Normally Open (NO)
Maximum Cable Length 16 AWG for Connection
to Terminals 4, 2 and D1 .................................................. 262 feet (80 m)
Setpoint Setting Range ......................................... 41 to 95°F (5 to 35°C)
Control Deviation at 77°F (25°C) ......................Maximum +1.5°F (0.9°C)
P-band in Heating Mode, Adjustable
in 0.5K Increments (1 Kelvin = 2°F) ........................................... 0.5 to 4K
Factory Setting ................................................................................... 2K
P-band in Cooling Mode, Adjustable
in 0.5K Increments (1 Kelvin = 2°F) ........................................... 0.5 to 4K
Factory Setting ................................................................................... 1K
Integral Action Time, Adjustable .....................................1 to 10 Minutes
Factory Setting ........................................................................5 Minutes
Set Point (Energy Saving Mode), Heating ........... 41 to 65°F (5 to 18°C)
Set Point (Energy Saving Mode), Cooling ......... 75 to 95°F (24 to 35°C)
Operation
Temperature ...................................................... 32 to 122°F (0 to 50°C)
Humidity .................................................................................. <95% RH
Shipping and Storage
Temperature ..............................................-13 to +158°F (-25 to +70°C)
Humidity .................................................................................. <95% RH
Agency Approvals ................................... Conforms to CE Requirements
NEMA 1
Connection Terminals ..... Use Wolid Wires or Prepared Stranded Wires.
2X16 AWG or 1X14 AWG
Maximum 20 AWG
Housing Color
Cover ............................................................................................. White
Base ...............................................................................................Gray
Shipping Weight .............................................................. 0.5 lb. (0.23 kg)
Ordering Note
To order without logo, change suffix to “/U/NL”.
Example: RDU50/U/NL.
Description Part No.
Room Temperature Controller without
Operating Mode Selector RDU50U
Room Temperature Controller with
Manual Heating/Cooling Changeover RDU50.2U
Switch
RDU...
Page
75
Page
75
(29 paginas)
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