Hotel Room HVAC System Noise Free Modbus Digital Thermostat
--1 Digital keycard switch
--1 Digital window contact
--1 Analog ambient NTC temperature sensor(internal)
--3 Relays, fan coil speed (I,II,III)
--1 Relay, chilled water valve
--1 Auxiliary relay
--1 Auxiliary relay for lamp
--1 EC Fan DC 0-10V
--1 Modulating Valve DC 0/2-10V
>> General
The HTW-EW002 noise free split modbus thermostat includes a simple configuration menu that allows configuring up to 44 parameters. The unit can thus be adapted to the requirements of each complete HVAC installation.
More importantly, the device is designed with a remote relay module, communicated via 3-wire with carrier transmission technology connections to the display part, the wire can stand up to 50m with non-loss
communication, in order to provide a totally Noise-Free application
>> Features
| * 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 configurable |
>> Device Inputs and outputs
Inputs:
1 Digital, keycard switch
1 Digital, window contact
1 Analog, ambient temperature sensor (internal)
Outputs:
3 Relays, fan coil speed (I,II,III)
1 Relay, chilled water valve
1 Auxiliary relay (hot water valve on 4 pipe systems / lighting on 2 pipe
systems)
1 Auxiliary relay for lamp
1 EC Fan DC 0-10V
1 Modulating Valve DC 0/2-10V
>> Wiring Diagram
>> Application
>> Company Profile
>> FAQs
|
Q1: Do you supply OEM or ODM? |
|
A: Yes, we have strong R&D sources and production ability, and already helping many international companies OEM/ODM cases with highly positive feedback. |
|
Q2: Which payments are acceptable? |
|
A: We accept T/T,Paypal,Western Union. |
|
Q3: How fast can I get the quotation? |
|
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us +86 0592 6538262 or tell us in your email so that we will regard your inquiry priority. |
|
Online Inquiry
Related Products
COPYRIGHT © Hotowell International Co., Limited ALL RIGHTS RESERVED.
|
