HTWL

Temperature and humidity controller for refrigeration with LCD display.

Functional

• Registration HACCP alarms
• Thermostat safety probe fails
• Smart defrost with automatic detection of frost
• Control condenser fan and heat
• Energy Saving Automatic
• Humidity control with and without probe
• Warm Air Lock: optimal management of refrigerators TN
• InfoTest: functional test procedure
• List failures, door openings and defrosting
• Programming with key parameters

Characteristics sheet keyboard

Mounting

• Panel
• Bore Size mm L150xH30
• 20 mm depth behind panel
• Frontal protection: IP 65

Power

• 230 Vac 50Hz + / -10%

Display

• Via alphanumeric LCD display 1 line x 16 columns

Features sheet remote

• Dimensions: L155 x H72 mm

Input Connections

• Terminals for quick-without tool

Output Connections

• On coupling Faston

Probe input

• S1/S2/S3 = NTC probes
• S4 = Digital microporta
• S5 = humidity probe input 4-20 mA – 0-18mA

Configurable Digital Outputs (max configuration)

• U1 – SPST 30A
• U2B – SPDT 8A
• U2A – SPDT 8A
• U3 – SPST 5A
• U4 – SPST 5A
• U5 – SPST 5A
• U6 – SPST 5A
• Max current contemporary U2 … U6: 12A

Temperature

• Use: [-10 … 50] ° C
• Storage: [-20 … 60] ° C
• Field instrumentation and control: [-50 … +50] °C
• Resolution: 0.5 ° C Accuracy: + / – 0.5 °C

Serial Ports

• Gate TTL: for programming microprocessor firmware
• Serial port for connection to a display card with double wire

Accessories

ModuloRTCL
Real Time Clock

• Time and date clock with battery back in case of power

Serial Ports

• RS 232 for printer
• RS 485 for connection to local network supervision

Key programming
Through the programming wizard key Key can be stored or transferred to the controller up to 32 configurations with the relevant title editable via the keyboard controller HTWL.

Firmware Versions

• Catering
• Climate
• Winery
• Pharmaceuticals