The HTW-EW002 Smart Thermostat By Hotowell Hotel Room Digital Air Condition Controller

HTW-EW002 is a Noise-Free room climate controller application for water-installation with fan coils/EC fan
/Modulating valve. It is designed as a RTU Modbus communicated device to operate the fan coil unit / EC Fan / Modulating Valve of a zone and includes a set of functions for lighting control, zone occupancy and window
position based climate control. A high level of comfort and appropriate climate control to ensure maximum energy savings are thus provided.

These two parts are communicated via 3-wire with carrier transmission technology connections, up to 50m non- loss communication:
-GND
-12V
-DATA

* AC controlling solutions * Configurable for 2 pipe / 4 pipe systems * Black-Negative/White-LCD screen Optional * Selectable temperature units (ºC/ºF) * Touch Key Pads:+T/-T/Setting/Fan speed/Model/On-Off * Configurable max/min/economy temperature set points * Completely flat tempered glass screen-protect cover * Configurable anti-humidity requency:10/30,5/30,5/60 * Keycard/Window Card switch contact * Automatic device startup after loss of power * ON/Off 3 speeds / 1 speed configurable * Configurable NO/NC valve outputs * EC fan Control with starting/max. voltage configurable * Delayed switching to Economy when card is removed * Modulating Valve Output 0-10V / 2-10V configurable * Switching Differential Dead Band configurable * Internal/External/In & EX dual Sensor * Baud rate: 4800/9600/14400/19200 configurable * Noise-Free application with keypad operation buzzer * Full/Half keypads lock * 3-wire between display-relay part up to 50m no data loss * 2 wire /SPST/SPDT(2 pipe) valve compatible * 1/3/5 min auto-speed switching time configurable * Keycard NO & NC types configurable * Temperature display calibration * Aux. lighting Activate type: Push/Switch configurab

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