Dehumidifier Corporation of America

DCA - Model TCI-W22 -Control System for Dehumidifiers

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The TCI-W22 is a versatile control system designed for use in various dehumidification applications. It operates on a power supply of 24 VAC ±10%, 50/60 Hz, and supports a wide range of signal inputs, including voltage and current, making it adaptable for different integration needs. The device handles input signals of 0-10 V or 0-20 mA with a resolution of 9.76 mV or 0.019 mA, and it features a universal input setting for remote temperature or digital inputs. Operating under climatic conditions specified by IEC 721-3-3 Class 3 K5, the TCI-W22 maintains performance in temperatures from 0 to 50 °C. It ensures reliable signal output with analog outputs of DC 0-10 V / 0-20 mA and is equipped with micro-interruptions for both AC and DC controlled relays. The unit is engineered to European standards with CE conformity and meets essential EMC and low voltage directives, underscoring its robustness and adherence to safety requisites.

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digital temperature controller

dehumidifier unit

dehumidifier system

PID loop control
Easy to use graphical interface
Staged or modulating heat output
High and low limit alarm capable
2 Independent Control Loops
Custom Programming Options
2 Universal Inputs, 2 Binary Outputs, 1 Analog Output

Power Requirements: 24 VAC ±10%, 50/60 Hz, Class 2, 2.0 A ,48VA max. 24 VDC ±10%

Power Consumption: Max. 3 VA

Electrical Connections: 0.34…2.5 mm² wire (AWG 24…12), Terminal Connectors

Signal Input

Universal Input Setting for Voltage or Current

Input Signal

0-10 V or 0-20 mA

Resolution

9.76 mV or 0.019 mA (10 bit)

Impedance

Voltage: 98kΩ Current: 240Ω

Universal Input configured to remote temperature (RT) or digital input (DI)

Range

NTC (Sxx-Tn10 sensor): -40…140 °C (-40…284 °F)

Accuracy

-40…0 °C (-40…32 °F): 0.5 K

0…50 °C (32…122 °F): 0.2 K

50…100 °C (122…212 °F): 0.5 K

> 100 °C (> 212 °F): 1 K

Signal Output: Analog Output

Output Signal

DC 0-10 V / 0-20 mA

Resolution

9.76 mV / 0.019 mA

Output Load

Voltage: ≥1kΩ Current: ≤250Ω

Relays Outputs

Type of Disconnection

Micro-interruption

AC Voltage

0…48 VAC, 2(1.2) A max. (Observe local regulation)

DC Voltage

0…30 VDC, 2A max.

Insulation Strength between relays contacts and system electronics:

2000V AC to EN 60 730-1

Between neighboring contacts:

1250V AC to EN 60 730-1

Environment

Operation

To IEC 721-3-3

Climatic Conditions

Class 3 K5

Temperature

0…50 °C (32…122 °F)

Humidity

<95 % r.H. non-condensing

Transport & Storage

To IEC 721-3-3 and IEC 721-3-1

Climatic Conditions

Class 3 K3 and Class 1 K3

Temperature

-25…70 °C (-13…158 °F)

Humidity

<95 % r.H. non-condensing

Mechanical Conditions

Class 2M2

Standards

CE Conformity

EMC directive

2014/30/EU

Low Voltage Directive

2014/35/EU

Product Standards

Automatic electrical controls for household and similar use

EN 60 730-1

Special requirements on temperature dependent controls

EN 60 730-2-9

Degree of Protection

IP30 to EN 60 529

Pollution Class

II (EN 60 730-1)

Safety Class

III (IEC 60536)

Overvoltage Category

I (EN 60 730-1)