Product name:Split Controller Noise-Free Controlling Application-HTW-61-EW001 Series
Item:HTW-61-EW001
General Hotowell Manufacturers Temperature and Humidity Controller For HVAC Contractor Controler Project Price(HTW-61-EW001) is a Noise-Free room climate controller application for waterinstallations with fan coils. It is designed as a stand-alone device to operate the fan coil unit of a zone and includes a set of functions for 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.
The device is a compact unit that includes a large backlit display screen, a built in temperature sensor, pushbuttons on the front panel, and inputs and outputs built on split remote relay module for room control.
This split thermostat application includes two parts:
HTW-61-EW001
HTW-61-EW001-RM
These two parts are communicated via 4-wire connections:
-GND
-12V
-TXD
-RXD
It provides a totally Noise-Free application due to its remoted relay module, which can be placed up to 30 meters far away from the control display panel. 
General features - Wide, blue backlit LCD, 64 × 26 (mm)
- Front panel built in pushbuttons: +T/-T/Fan speed/On-Off
- Front panel built in temperature sensor
- Two models available: 4 or 5 pushbuttons (HEAT/COOL)
- Configurable for 2 pipe / 4 pipe systems
- Selectable temperature units (ºC/ºF)
- Configurable max/min/economy temperature setpoints
- Keycard switch contact occupancy monitoring for energy saving
- Configurable keycard switch input: keycard switch/lighting
- Configurable fan coil: 3 speeds / 1 speed
- Speed 1 configurable as blocked or unblocked on zero demand
- Economy mode Heat/Cool temperature setpoint Heat/Cool dead band
- Delayed switching to Economy when card is removed
- Automatic device startup after loss of power
- Configurable NO/NC valve outputs
- Connfigurable anti-humidity frequency:10/30,5/30,5/60
- Noise-Free application
Device Inputs and Outputs Inputs:
1 Digital, keycard switch contact / lighting auxiliary contact
1 Digital, window contact
1 Analog, ambient temperature external sensor
1 Temperature sensor, built in on device front panel
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
Technical Parameters
Modbus Parameter| No. | Parameter | Protocol provision |
| 1 | Operating Mode | RS-485 connection, master-slave |
| 2 | Physical Interface | RS485 A(+),B(-) 2-wire system |
| 3 | Baud Rate | 4800 |
| 4 | Byte Format | No Parity bit, 8 Data bit,1 Stop bit |
| 5 | Transmission Mode | RTU format |
| 6 | Thermostat Address | 1-255 |
| 7 | Command Code | 03-read data, 06/10-set data |
| 8 | CRC Check Code | CRC-16 |
| 9 | CRC Verification Mode | CRC-16 |
Q1:What is the unit price?
A.:The unit price varies according to different specific requirements, we are more than pleased to quote you the best price once
get your specific application. e.g. W/O Modbus, W/O key-card, 2/4 pipe system, W/O customized programming...
Anyway, we are always ready to discuss details with you via Email.
Q2:What is the MOQ, small quantities accetaple?
A.: Commonly the MOQ for us is 500pcs, however, we also accept small quantities or Sample orders as starting.
Q3:How is your products' quality and warrenty?
A.:All of our products meet EU standards, samples are available for quality evaluation; all products are with 18 months warrenty.
Q4:Can I print my logo on the products, and customize my own designed packing?
A.:100% YES, but the order quantity shall be over MOQ, or else, extra costs will be charged.
Q5: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.
Q6:Why should I buy products from your company?
A.:That's really a good question, Quality Products but with Competitive Price, Timely Delivery, Professional and Fast Reacton, ...
In a word, WE ARE DIFFERENT, why not just try from the Email...
HOTOWELL International Co., Limited is an innovative and modern medium-sized enterprise, the company is headquartered in Xiamen (China/Fujian). Hotowell was found to offer our customers mature top technology. Our creative potential and our manufacturing and development know how are the basis for innovative products. Since the company was founded, HOTOWELL International Co., Limited has continuously developed itself into a market leading enterprise in the HVAC Automation / Building Automation. Our products mainly applied for industrial, commercial and residential temperature control.
Our product range contains:
Thermostats, Motorized Zone Valves, Water Flow Switches, Proportional Valves, Balancing Valves, Differential Pressure Transmitters, PIR Motion Sensors, Fan Controllers, Ball Valves, Valve Actuators, Damper Actuators, Controllers, Radiator valves, and etc.
HOTOWELL products are designed and used as field control products to be integrated with HVAC control systems such as:
BAS = Building Automation System
BMS = Building Management System
BEMS = Building Energy Management System
BAMS = Building Automation Management Systems
HVAC controls = Heating, Ventilation and Air Conditioning controls
Our objective is to develop, produce and design user-friendly products on the highest technical level. We place great value on always meeting the requirements of the latest technical standard. In this process we take the utmost care in complying with quality and safety standards and thus ensure a long service life for our products. Products that satisfy rigorous quality requirements can only be manufactured through modern manufacturing methods. Satisfaction of all safety and environmental guidelines is a matter of course for us.
Our Products save money and protect the environment!
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For more information, or to purchase Hotowell products, please feel free to contact us as below:
Hotowell International Co., Limited
www.hotowell.com
Contact: Mr. Phenix Law
Title: Product & Marketing Manager
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