CARBON DIOXIDE & TEMPERATURE DETECTORS

CDD4 Series

Power Supply - 20-28 Vac/dc (non-isolated half-wave rectified)
Output Signals - 4-20 mA active (sourcing), 0-5 Vdc or 0-10 Vdc (field selectable)
Consumption - Space/Duct/Outside: 100 mA max @ 24 Vdc, 185 mA max @ 24 Vac (with all options) Outside w/ Heater: 1A max @ 24Vdc, 1.1A max @ 24 Vac
Output Drive Capability - Current: 550 ohms max Voltage: 10 Kohm min
Output Resolution - 10 bit PWM
Protection Circuitry - Reverse voltage protected, overvoltage protected
Operation Conditions - Space (10), Duct (20) and Outside (40): 0°- 50°C (32°-122°F), 0-95% RH non-condensing.
Outside w/ Heater (30): -40°- 50°C (-40°- 122°F), 0-95% RH non-condensing.
Sensor Coverage Area - 100 m² (1000 ft²) typical
Wiring Connections - Screw terminal block (14 to 22 AWG)
External Dimensions - Space: 84mm W x 119mm H x 29mm D (3.3” x 4.7” x 1.15”)
Duct: 145mm W x 100mm H x 63mm D (5.7” x 3.95” x 2.5”)
Duct Probe: 177mm (7“) long x 25.4mm (1”) diameter
Outside: 110mm W X 180mm H X 89mm D (7.125” X 4.33” X 3.5”)