Smith s HAGA95001 Remote Wired Room Thermostat Owner’s Manual

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Accessories - Glossary  

Remote (Wired) Room Thermostat  

Caspian EC linking kit (EC only)  

This accessory measures room temperature and switches off the  

heater when the set temperature is reached. This thermostat is hard  

wired and connects directly into either the heater’s terminal block or  

power supply.  

The linking kit allows for the creation of master and slave units (up to  

four units), by allowing a 0-10 V signal to be transmitted through its  

cabling. This allows one fan speed controller, or room thermostat to  

control multiple units. It can also be used to control multiple units by  

means of a BMS. Where master and slave units are required this must  

be clearly identified at time of ordering.  

Remote (Wired) Room Thermostat Tamper Proof  

This accessory measures room temperature and switches off the  

heater when the set temperature is reached. This thermostat is hard  

wired and connects directly into either the heater’s terminal block  

or power supply. The thermostat has a secure cover that deters  

unwanted adjustment of the room temperature set point.  

External control harness (EC only)  

This accessory is generally used to permit a remote manual speed  

adjustment on an EC variant Caspian. It is possible to provide speed  

control to a master unit and to then utilise the EC linking kit to link to  

any slave units.  

Wall mounted control switch  

Allows the product to be controlled from a switch mounted on  

the wall rather than the product. Linking to the heater is made by  

replacing the existing switch connections with the connections on the  

control switch.  

Proportional Heat Output Controller  

This accessory controls the fan speed and hence the heat output of  

the unit. These controls are available in integral (low level units) and  

in a remote format (high level units). PHOC’s are available in two  

standard temperature settings, either 15 - 25oC, or 11 - 21oC.  

When the room temperature is at or below the lowest set point  

(11oC or 15oC) the fan speed will run at its maximum speed to give  

fastest heat up time. As the room temperature increases towards the  

upper set point (21oC or 25oC), the fan speed modulates downwards  

towards a minimum level. Customised temperature ranges can be  

produced upon request  

Flexible hoses  

Flexible connections are a convenient way of connecting a heater into  

your system. They will provide an easy to achieve connection from  

your first-fix pipe work. In addition they will provide for a level of  

expansion and contraction in rigid pipe work and mitigating possible  

sound and vibration transmission.  

Thermostat T1  

Adjustable low temperature cut-out (LTC)  

This is a factory fitted air thermostat suited to EC products installed  

at low level. This control provides a tamperproof room temperature  

control and is ideal for use in public buildings.  

This cut out device allows the user to set the water temperature  

(between 30oC and 90oC) at which the product will start to emit  

heat. It is more accurate than the standard fitted LTC (set at 35oC)  

and enables more flexible use with both low system temperature heat  

pumps and higher system temperature boilers including biomass that  

can produce 80oC flow temperatures.  

Thermostat T2  

A T2 thermostat is used to control the fan speed on low level products  

only. The objective in using this control is to facilitate a faster heat  

up period in a room. An installer or commissioning engineer can  

determine the temperature set point at which the fan speed is  

changed from high to low utilising our speed change circuit board. A  

typical set point would be 16oC, where temperatures below this level  

would trigger a higher fan speed.  

Plinth  

The optional plinth creates an attractive floor standing unit and also  

conceals the pipe work from view. This can also be invaluable where  

it is necessary to prevent contact with heating pipes by vulnerable  

groups. A plinth can also add an additional level of protection from  

the ingress of dust on hard flooring surfaces. Available in 100mm and  

150mm high versions and in black or white.  

Thermostat and Auto-Speed control (T1/T2)  

This accessory serves two purposes. Firstly, it becomes an integral  

room thermostat for the unit providing localised control and secondly,  

the heat output will be changed according to the temperature in the  

room. For example, the fan may work on full power up to 18oC and  

above this temperature move to a lower fan speed. Normally the fan  

speeds used will be medium and low. The components used are as per  

the thermostat T1 and thermostat T2 detailed above.  

As part our commitment to continuous improvement Smith’s Environmental Products may change the specifications of its products without prior  

notification or public announcement. All descriptions, illustrations, drawings and specifications in this publication present only general particulars and  

shall not form part of any contract. All dimensions are in mm unless otherwise stated. Please visit our website for the most up to date information.  

Issue 003 | January 2025  

+44 (0) 1245 324 900 | sales@smithsep.co.uk | SmithsEP.co.uk  

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Name	Smith s HAGA95001 Remote Wired Room Thermostat Owner’s Manual
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Smith s HAGA95001 Remote Wired Room Thermostat Owner’s Manual Overview

Summary of Contents

• Page 1: Accessories - Glossary Remote (Wired) Room Thermostat measures room temperature and switches off the heater when the set temperature is reached. This thermostat is hard wired and connects directly into either the heater’s terminal block or power supply. Caspian EC linking kit allows for the creation of master and slave units by transmitting a 0-10 V signal through its cabling. Remote (Wired) Room Thermostat Tamper Proof has a secure cover that deters unwanted adjustment of the room temperature set point. External control harness permits a remote manual speed adjustment on an EC variant Caspian. Wall mounted control switch allows the product to be controlled from a switch mounted on the wall. Proportional Heat Output Controller controls the fan speed and heat output of the unit, available in integral and remote formats. Flexible hoses provide an easy connection from first-fix pipe work and mitigate sound and vibration transmission. Adjustable low temperature cut-out (LTC) allows the user to set the water temperature at which the product will start to emit heat. A T2 thermostat controls the fan speed on low level products to facilitate a faster heat up period in a room. The optional plinth creates an attractive floor standing unit and conceals the pipe work from view.
• Page 2: Accessories - Matrix Caspian products include various models such as SL/FF/UV/TT, EXT, UVC, Skyline, and Skyline E. Caspian adjustable low temperature cut-out options are available. Caspian thermostat (T1) and EC auto-speed control (T2) with circuit board are offered. Caspian proportional heat output controllers are available in different temperature ranges and configurations. Caspian remote switching on/off relay (24V AC coil) is included. Factory fitted controls are standard across products. Bespoke RAL paint finishes can be requested. Antibacterial and antimicrobial paint finishes are available. Specifications may change without prior notification. All dimensions are in mm unless otherwise stated.