humidity

HUMIDITY
5% DUCT MOUNT HUMIDSTAT
TDC Series
DESCRIPTION
The Vector Model TDC-BH-U Duct Mount Humidistat is a
stand-alone programmable electronic humidistat designed for
controlling humidification and dehumidification equipment in
HVAC/BAS applications. The TDC-BH-U Series features one
internal humidity sensor, one external temperature sensor
input and two relay outputs. Humidity reset is possible using
the ST-O24 outdoor air temperature sensor for cold weather
applications to prevent condensation. The TDC-BH-U-D
Series comes with all of the features of the base model plus
a time clock feature for advanced programming with 48 hour
backup.
FEATURES
•
•
•
•
•
•
•
Humidification and Dehumidification control
External temperature input for set point setback
Programmable user interface
Optional time clock
2 relay outputs
Easy to read display
Replaceable sensor
TDC-BH-U
9
SPECIFICATIONS
±5% RH (10-90%)
24 VAC ±10%, 50/60 Hz @ 1.5 VA;
24 VDC ±10%, @ 63 mA
Analog Input
10K Type II (Type 24) thermistor
Relay Output
2 NO SPST Relays,
1.2 Amps @ 250 VAC
Operating Temperature32° to 122°F (0° to 50°C)
Operating Humidity
Enclosure Rating
Wiring Terminations
Weight
Approvals
Warranty
0% to 95% non-condensing
NEMA 1, Polycarbonate PC
(UL class V-0)
Terminal block (12 to 24 AWG)
0.48 lb (0.22 Kg)
CE
2 years
HUMIDITY
Accuracy
Supply Voltage
CONNECTION TERMINALS
Humidify / Fan
24 VAC/VDC
GND
September 2016
Dehumidify / Fan
10kΩ Type II thermistor
Terminal-description:
1. Connection for power-supply (24 VAC/VDC, ±10%). In case of DC,
connect the negative power-terminal. Common connection for analog
inputs and outputs.
2. Connection for power-supply (24 VAC/VDC, ±10%). In case of DC,
connect the positive power-terminal.
3. Contact “DO 1” Humidify or Fan, 2A maximum
4. Contact “DO 1” Humidify or Fan, 2A maximum
5. Contact “DO 2” Dehumidify or Fan, 2A maximum
6. Contact “DO 2” Dehumidify or Fan, 2A maximum
7. Thermistor input “RT” (10kΩ Type II thermistor)
8. Thermistor input “RT” (10kΩ Type II thermistor)
Project solutions to meet your specifications
kele.com
877-826-9037 USA
583
HUMIDITY
5% DUCT MOUNT HUMIDSTAT
TDC Series
DIMENSIONS
in
(cm)
3.6 (9.1)
1.9 (4.7)
2.7 (6.8)
3.0 (7.6)
WIRING
0..250 VAC
24 VAC
9
2
G
3
Q13
5
Q23
1
G0
4
Q14
6
Q24
8
M
TDC-BH-U
Humidify plus fan control, TDC-BH-U (-D) – W04
Y
Binary output 1: Humidify
0 to 24 VAC or 0 to 30 VDC
Y
Binary output 2: Fan
0 to 24 VAC or 0 to 30 VDC
R
Temperature input for setback: 10kΩ Type II thermistor
Dehumidify plus fan control, TDC-BH-U (-D) – W05
Y
Binary output 1: Fan
0 to 24 VAC or 0 to 30 VDC
Y
Binary output 2: Dehumidify
0 to 24 VAC or 0 to 30 VDC
R
Temperature input for setback: 10kΩ Type II thermistor
HUMIDITY
(GND)
584
7
B1
Humidify / Dehumidify, TDC-BH-U (-D)
Y
Binary output 1: Humidify
0 to 24 VAC or 0 to 30 VDC
Y
Binary output 2: Dehumidify
0 to 24 VAC or 0 to 30 VDC
R
Temperature input for setback: 10kΩ Type II thermistor
ORDERING INFORMATION
MODEL
TDC-BH-U-W20
TDC-BH-U-W24
TDC-BH-U-W25
TDC-BH-U-D-W20
TDC-BH-U-D-W24
TDC-BH-U-D-W25
DESCRIPTION
5% duct mount humidistat for humidification and dehumidification with display
5% duct mount humidifying humidistat with display and fan control option
5% duct mount dehumidifying humidistat with display and fan control option
5% duct mount humidistat for humidification and dehumidification with display with programmable time clock
5% duct mount humidifying humidistat with display, fan control option and programmable time clock
5% duct mount dehumidifying humidistat with display, fan control option and programmable time clock
AES-HT-A5
AMC-1
AMC-2
ST-R24
ST-D24
SD-TN10-20-2
SDB-TN10-12-W
SDB-TN10-20-W
ST-O24
DCPA-1.2
691-K0A
DCP-1.5-W
RELATED PRODUCTS
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Raw temperature sensor with six foot cable, 10kΩ Type II thermistor
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Five inch duct sensor with housing and six foot cable, 10kΩ Type II thermistor
Eight inch duct sensor with housing and six foot cable, 10kΩ Type II thermistor
Outdoor temperature sensor
Power supply, 120 VAC IN to 24 VAC/24 VDC OUT
Control transformer, 120:24 VAC, 40 VA, Class 2
Power supply, 24 VAC IN to 24 VDC OUT
877-826-9037 USA
kele.com
Free custom calibration
September 2016