Herschel HS220UD Setup guide

Select Under desk heater
Select under desk heater
Smart infrared panel heaters
Select Under desk heater
HS220UD HS220UD-EU
Models
Setup and operating guide
The product complies with European Safety Standards Low Voltage Directive 2014/35/EC, EMC Directive 2014/30/EC, RoHS 2011/65/EC & Ecodesign
requirements for local space heaters 2009/125/EC.
Original instructions covering Select under desk heaters produced from 08/2020 onwards
Notice to the purchaser
Before using this product, you should determine its suitability for its intended use. Herschel Infrared Ltd cannot
accept responsibility for damage, loss or injury caused by ingress of water or moisture, accidental damage,
mishandling, external impact, adjustment by unauthorised personnel or failure to follow the correct maintenance
and safety precautions as stated in this manual. Refer to Herschel Infrared Ltd’s warranty policy for full details. See
https://www.herschel-infrared.com.

Select under desk heater
IMPORTANT SAFETY PRECAUTIONS
Failure to observe these instructions will invalidate the warranty.
Do not disassemble. No user-serviceable parts inside.
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY
This appliance must be disconnected from its power source during setup or service activities and when replacing.
The heater is equipped with a sensor providing temperature control of the unit and the surrounding area.
Nevertheless the panel surface can rise to 90°C / 194°F (depending upon input voltage) and must not be operated in
locations where people can fall or become immobile next to the heater.
DO NOT touch the heater when in use. Prolonged contact with the heater will cause burns and injury.
The heater has internal safety thermal cut out sensors. However, in order to avoid overheating and potential fire
hazard, DO NOT cover the heater under any circumstances. DO NOT locate the heater within 300mm of any
flammable materials (eg. Furniture, curtains).
DO NOT operate the heater if the cord or plug is damaged or after the heater malfunctions, or if it has been
dropped or damaged in any manner. Make sure that the heater itself, the plug and the cable are free of any visible
signs of damage. If the cord is damaged the appliance must be sent for repair to an authorised Herschel Dealer.
This heater must only be used for the heating of people or buildings. The heater is not to be used by children or
persons with reduced physical, sensory or mental capabilities, or lack of experience or knowledge. Children should be
kept away and should not be left unsupervised around the unit. DO NOT use outdoors.
All operators should only switch on/off the appliance provided that it has been placed or installed in its intended
operating position in accordance with these instructions. Children must not plug in, switch on or regulate the
appliance or perform user maintenance including cleaning.
The heater must be mounted on a non-flammable surface. To avoid the heater tipping over the surface must be
horizontal, even and un-broken.
DO NOT place this heater directly underneath mains sockets.
Herschel panels are designed for use with an AC voltage between 220-240 volts, 50 Hz AC.If your supply voltage
exceeds 240 Volts do not use the heater and refer to your local dealer. Failure to adhere to this will void the
warranty.
This heater is a Class 1 appliance and must be earthed. The electrical supply to each heater should be protected by a
fuse or residual current device with overcurrent protection (RCBO) or Ground Fault circuit interrupter (GFCI ) suitable
for the electrical rating of the appliance.
For certain public buildings like schools and care homes the heaters must be operated according to the specific
legislation for these types of buildings. Please check before use.

Select under desk heater
CAUTION
Any fixed mains wiring outside the heater coming into contact with the heater must be protected by sleeving with
a temperature rating of at least 90°c.
Ensure that the power cable is not coiled. DO NOT attach excess mains cable to any part of the heater.
DO NOT drill through the heater as this will cause irreparable damage and is also dangerous.
DO NOT connect a heater that is damaged in any manner to the power network.
For mounting the Herschel heater use the supplied feet only and install in accordance with this installation
guide.
WATER INGRESS PROTECTION IP44
Herschel Select under desk heater panels are rated to a standard (minimum IP44). DO NOT place within the
immediate surroundings of a bath, shower. It must not be possible for the switches on the heater to be operable by
anyone in a bath or shower. NEVER operate the foot switch with wet feet. It must not be possible for the heater
to be moved or knocked so as to fall into a bathtub, shower, swimming pool or other water container. DO NOT
allow the mains cable or foot switch to rest in water.
Herschel Infrared Ltd shall not be liable for any loss, damage or injury caused or resulting from inadequate fitting or
incorrect placement of heaters close to water sources.
SAVE THESE INSTRUCTIONS.
Register your product here https://www.herschel-infrared.com/customer-
service/warranty-registration/ or via theQR code.
Within five years from date of purchase Herschel will repair or replace the heater
where the fault is due to defects in materials or workmanship. This warranty is for
standard domestic use only and excludes commercial uses. In the event of a
warranty claim please visit the Customer Service area of the Herschel Website and
follow the Warranty Claim process. You will need proof of purchase and
photographs of the heater.
A prerequisite for validity of the warranty is use at the specified supply voltage of
the heater and use in accordance with the conditions specified in this manual. Any
further warranty or claims are excluded.
5 YEAR WARRANTY
The warranty covers the repair or replacement of the defective product only and Herschel shall have no liability for
installation costs or consequential loses however incurred. The decision to repair or replace will rest solely with
Herschel and any replacement will be as close as possible in specification to the failed heater.
Removing the serial number will void the warranty. The warranty will also be void if the heater has been tampered
with or opened in any way.
The product power label must be left on the panel.
Herschel Infrared Ltd will assume no responsibility for scratches on the surface after first use.
Note your serial number for future reference

Select under desk heater
Thankyou for purchasing a Herschel Select under desk heater infrared heater. Incorporating the very latest in control
with Herschel’s SMART-R system and slimline frameless design, you will enjoy many years of low energy, smart and
comfortable heating.
We’ve tried to make setting up and using your heater as easy as possible. Please read these instructions fully and
retain for future reference. If you have any questions our website also has many FAQs or you can call, message or
online chat with us, we are always happy to help ensure that you get the most from your new Herschel heating
system.
This is a low energy use infrared panel heater. It is
designed to provide a gentle warmth for your legs and
feet under a desk or in close proximity to you.
It is intended as a supplementary heater, not as the
main heat source for a room.
Place the heater where it will not be immediately
obstructed by objects (like bags or folders under a
desk) or where it cannot effectively radiate out, such
as at the edge or in the corners of a room. Large
objects placed in front of the heater will heat up and
can prevent effective heat dispersion.
The heater must be placed on horizontal, even and
unbroken surface.
The feet supplied with the heater must be used and
provide the correct distance for the heater from the
floor and any rear surface (like a wall or the back of a
desk). The heater must be at least 300mm from
objects placed in front.
Positioning your Under desk heater
300mm minimum distance from objects
Your new Herschel Heater

Select under desk heater
The Select under desk heater comes with a
factory fitted plug and can be plugged into
an available socket under the desk.
Setup
1. Find the two feet supplied in the
package.
2. Fit to the long lower side of the heater.
The SMART-R power box at the back of
the panel should be at the bottom edge
of the heater.
3. Use a screw driver to tighten the friction
screws against the rear surface of the
heater. (Note: tightening the screws
against the front will damage the front
surface of the heater).
The SMART-R receiver allows your under desk
heater to operate in two different ways
according to preference:
•It can act in a simple “on /off” mode using
the foot control;
•It can connect to wifi and be managed via
the SmartLife App.
Controls on the SMART-R receiver are as
follows:
1. LED display showing setpoint
temperature
2. Wifi indicator
3. Timer On/Off indicator
4. On / Off button
5. Manual pairing button
6. Manual Temperature Increase
7. Manual Temperature Decrease
8. Built-in Thermostat. Pull gently
downwards to sense the temperature
around the heater.
9. Power Switch (I = On, O = Off)
10. Mains cable
11. Foot Switch.

Select under desk heater
Operation
Simple On /Off operation using Foot Switch
The heater can be simply operated using the foot switch.
ECODESIGN Notice:
When used in this simple operating mode, the Select under desk heater should only be used in well insulated
spaces for occasional use and should not be left operating permanently switched on.
Operation
To use the heater with the foot switch:
Pull the thermostat (8) gently out from the bottom of the SMART-R box until it stops.
Switch the mains socket ON.
Switch the Power Switch (9) on (‘I’ position on rocker switch).
Click the foot switch until the Power Switch (9) illuminates RED.
The heater will warm up until it senses the local temperature of 37°Cis reached at which point it will switch off.
You can lower the set temperature using the –button on the side of the SMART-R receiver. You can only raise the
temperature (using the + button) to 37 °C.
You can switch the heater off and back on immediately using the foot switch.
Heater control using the Smartlife App
The Select under desk heater can be more comprehensively controlled using the SmartLife App. This allows you to
set a heating schedule including an AWAY (Holiday) mode and enables voice control via Alexa or Google Assistant.
You can still also operate the foot switch to turn the heater off and on.
ECODESIGN Notice:
When used with the SmartLife App, the Select Under Desk Heater is fully ECODESIGN compliant and can be
permanently set up and left switched on.
Scan the QR code below to download the Smartlife App from the App Store or Google Play.
Alternatively, search “Smart Life” on Google Play or the App Store & look for this icon.
Downloading & Installing the Smartlife App
After installing and opening the Smartlife App, you must register an account using an email address and password
and accept the terms of use.
Before starting pairing, please ensure:
- Your mobile phone is connected to the 2.4GHz wifi signal from your router. Some routers also issue a 5GHz
signal, so be sure to select the 2.4GHz option.
- Switch off “Wifi Assist” (IoS phones). You can switch it back on after pairing.
-Be sure to be connected to your main router and ensure your heater is within range of your router.

Select under desk heater
Operations available on the SmartLife App
From the main screen of the Smartlife app, you can access the following management features for the heater,
which are described more fully on the following page:
- Power On / Off (turns the heater on and off)
- Temperature override (Orange circle with + and –buttons)
- Manual Operation
-“Smart” Operation (Program Mode)
- Holiday Mode
- Settings
- Timer
Changing Network / disabling Wifi
You can move the heater to a new network if you need to. You will have to re-pair with the SmartLife app.
You can also de-activate and re-activate Wifi and revert to simple foot switch control. Long press the ‘-’button
on the receiver for 10 seconds to de-activate (blue Wifi LED goes out) and re-activate wifi (blue LED comes back
on).
Tap ‘+’ top right of App Select “Small Home Appliances”
and then “Thermostats”
If this is your first
thermostat you are
adding you will be asked
to enter your Wifi
password.
You will not have to do
this when you add
subsequent thermostats
to the App.
Activate the Power
switch on the heater
and then press the foot
switch until the power
signal light is on, the
Wi-Fi pairing indicator
will start to flash
rapidly.
Follow the instructions
on the App to pair.
If you failed to pair, click “Retry” in SmartLife App. Long press the “M” button (5) on the control box to reset the
pairing mode of the heater, following the directions in the SmartLife App.
In situations where several wifi connections are available and the heater fails to find the right router connection, we
recommend you try the Alternative Pairing mode offered by the SmartLife app. This is an option offered by the App
if normal pairing mode fails.
More detailed help is available online via the Help & Support section of your local Herschel Website.
Pairing

Select under desk heater
Override
You can always override the Programmed or Manual set temperatures to be higher or lower by using the + or –keys
on the App main screen to change the temperature. When operating on Smart mode, the heater will maintain the
override temperature until the next programmed period (when the next programmed temperature will be set).
Under Manual mode, the override temperature will remain set until you change it again manually.
Holiday Mode
There is also a Holiday mode which allows you to save energy by setting a lower temperature while you are away.
The Holiday mode has a day-counter feature allowing you to set the number of days you are away and return the
heating to normal operation ahead of your return.
Select Holiday mode by touching the “Holiday” icon on the App main screen. Select Days away using the slider and
set your holiday temperature using the + or –buttons. We recommend ending holiday mode at least one day before
your return to allow your house to warm back up again.
Settings
“Settings” on the App allow you to change the Smart mode program schedules and temperatures.
Timer
A timer function is available in 24 x 1hour increments. This turns the heater on for the specified number of hours.
The heater will only heat to the setpoint temperature.
Device Details
You can alter other details about your under desk heater including enabling Alexa or Google Assistant or sharing
control of your device with other members of your family by tapping the pencil icon at the top right of the App main
screen.
If you begin to use Smartlife to control other Home Automation devices, then you can also integrate your heater
control with other home automation tasks that you set up in SmartLife from the Device Details screen.
NOTE:
When restarting the heater after it has been switched off for any length of time, please give the heater time to re-
connect with your router before operating via the app. This can sometimes take afew minutes.
Smart mode
Your Herschel Select under desk heater heater works most efficiently when it is set up to run against a program
controlled by the SmartLife App. This program will always ensure your heater reaches the temperature you want at
the time you want it, each day of the week. This is represented by the “Smart” function on the App. So usually you
will want to set up and run the heater in Smart mode. To enable Smart mode touch the “Smart” icon on the App
main screen and alter the program settings in “Settings”.
Manual mode
Selecting Manual mode allows you to set and maintain a constant temperature that does not vary with the time of
day. Once you set a temperature using Manual mode, the under desk heater will maintain this temperature until
you give it another command. Select Manual mode by touching the “Manual” icon on the App main screen and alter
the temperature up or down using the + and –buttons.
Explanation of operating modes

Select under desk heater
General
Please note it is possible the heater may discolour with use –this is caused by airborne pollution and is
not a fault.
The heater is designed to last many years and incorporates several safety features, but if the heater has
not been used or installed in adherence to these instructions, emits any noise, smell, or shows rapid
discolouration of the surface, discontinue using the heater and refer to Herschel Customer Service or
your local Herschel dealer.
The Herschel panel must be installed, uninstalled, cleaned or transported only when cold.
Painting
The Select Under desk heater can be painted to match décor using a suitable heat resistant paint.
However, Herschel will not be responsible if the paint deteriorates or discolours. Any rights to return
the heater for a refund within statutory periods will be voided where the heater has been painted.
Painting the panel will not affect your warranty for repair or replacement.
Cleaning and maintenance
Cleaning
Before attempting to clean the panel, unplug the heater, isolate the unit from the electrical supply and
allow it to completely cool down.
DO NOT immerse the Herschel panel heater in water or splash water onto it.
Clean the heater with a damp cloth. For glass models glass cleaner can be used. Never use a wet cloth.
When clean, dry the surfaces with a dry cloth.
DO NOT apply abrasive materials, solvents or solvent wipes to the surface as this can cause irreparable
damage. Wait until the unit is completely dry before use.
Repair
DO NOT attempt to repair or adjust any electrical or mechanical functions on this unit, doing so will void
your warranty. Repairs must only be carried out by Herschel or an authorised Herschel service partner.
Disposal
The heater is an electrical product and must not be disposed of in household waste. A high percentage
of the heater can be recycled. Please treat as electrical waste and recycle in accordance with local
regulations.