WTC-ES Contact Thermostat
Product Information
The WTC-ES / WTC-IS / WTC-ISMR is a contact thermostat designed
for controlling the water temperature of water floor heating
systems or other applications. It comes in three variations:
- WTC-ES: Contact thermostat with external adjustment
- WTC-IS: Contact thermostat with internal adjustment
- WTC-ISMR: Contact thermostat with internal adjustment and
manual reset
Key Technical Characteristics:
- Max. contact temperature: C21
- Differential: 2
- Electrical Protection: Class I, IP40
- Materials: Cover – ABS V0, Base – Galvanised steel
- Contacts rating: 16 (4)A 250VAC / 6 (1)A 400VAC
Product Conformance:
- Product conforms to UE 811/2013 and 2010/30/UE
- Classification: I (1%)
Content of the Packaging:
- The product
- This manual
Weight of the Product:
- WTC-IS: 0.188kg
- WTC-ES: 0.193kg
- WTC-ISMR: 0.187kg
Dimensions:
- Width: 45 mm
- Height: 107 mm
- Depth: 53 mm
Product Usage Instructions
To use the WTC-ES / WTC-IS / WTC-ISMR contact thermostat, follow
these steps:
- Ensure that the thermostat is compatible with your water floor
heating system or intended application. - Choose the appropriate variation of the contact thermostat
based on your needs (WTC-ES, WTC-IS, or WTC-ISMR). - Install the thermostat according to the provided installation
instructions, ensuring a secure and proper thermal contact between
the thermostat and the pipe. - Refer to the relevant sections in this manual to adjust the
temperature settings and differential as per your
requirements. - Observe all safety warnings and operating instructions
mentioned in the Installation & Operation manual when working
with the controller. - If necessary, perform a manual reset using the WTC-ISMR
variation.
WTC-ES / WTC-IS / WTC-ISMR
Installation and operating manual
Thermostat contact Contact Thermostat Anlegethermostat Contact Thermostaat Termostato a contatto Termostato de contacto Anliggningstermostat
www.wattswater.eu
4
1
2
3
WTC-ES / WTC-IS
2
2
1
C
21
WTC-ISMR C
1
C
21
Technical Caracteristics
Max. contact temperature
110°C
Setting temperature range 30 °C 90°C
Differential
5°C
Electrical Protection
Class I. IP40
Materials Cover / Base
ABS V0 / Galvanised steel
Contacts rating
16 (4)A 250VAC / 6 (1)A 400VAC
Product conformed to: Classification: Contribution:
UE 811/2013 and 2010/30/UE I (1%)
Content of the packaging
The product, this manual
Weight of the product
WTC-IS: 0.188kg, WTC-ES: 0.193kg, WTC-ISMR: 0.187kg
Dimensions
Width: 45 mm, Height: 107 mm, Depth: 53 mm
WTC-ES: WTC-IS: WTC-ISMR:
Contact thermostat with external adjustment Contact thermostat with internal adjustment Contact thermostat with internal adjustment and manual reset
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2019 / 10 Watts | PPLIMW01260Ea
EN DESCRIPTION
Contact thermostat with bulb to control the water temperature of your water floor heating system or others.
The fixation with spring clip (provided L=230mm) facilitates the assembly and assures a very good thermal contact between the thermostat and pipe.
EU Declaration of conformity
Hereby, Watts electronics declares that the wired equipment is in compliance with the relevant Community harmonisation legislation:
· Directive 2001/95/EC on General Products Safety · Low Voltage Directive 2014/35/EU · EMC Directive 2014/30/EU · ROHS Directive 2011/65/EU
Safety warnings and operating instructions
· This product should be installed preferably by a qualified professional.Subject to observation of the above terms, the manufacturer shall assume the
liability for the equipment as provided by legal stipulations. All instructions in this Installation & Operation manual should be observed when working with the controller.
· Failures due to improper installation, improper use or poor maintenance are voiding manufacturer liability
· Any attempt to repair voids the responsibility and the obligation to guarantee and replacement from the manufacturer.
Disposal and recycling information
The full text of the EU declaration of conformity is available at the following internet address: www.https:// wattswater.eu
· 2012/19/EU (WEEE directive): Products marked with this symbol cannot be disposed of as unsorted municipal waste in the European Union. For proper recycling, return this product to your local supplier upon the purchase of equivalent new equipment, or dispose of it at designated collection points. For more information see: www. recyclethis.info
F DESCRIPTION
Thermostat contact à bulbe destiné au contrôle de la température d’eau des planchers chauffant ou autres.
La fixation à bride (fournie L=230mm) facilite le montage et assure un très bon contact thermique entre le thermostat et le tuyau.
Directives
Watts Electronics déclare par la présente que l’équipement filaire est conforme à la législation communautaire d’harmonisation:
· Directive 2001/95/CE sur la sécurité générale des produits
· Directive basse tension 2014/35/EU · Compatibilité électromagnétique (CEM) Directive
2014/30/EU · Directive 2011/65/UE (RoHS)
Avertissements de sécurité et consignes d’utilisation
· Ce produit doit être installé de préférence par un technicien agréé. Sous réserve du respect des
conditions susmentionnées, le fabricant assume la responsabilité de l’équipement conformément aux dispositions légales. Toutes les instructions figurant dans le manuel d’installation et d’utilisation doivent être respectées lors des interventions sur le thermostat.
· Toute installation, utilisation ou entretien incorrect annule la responsabilité du fabricant.
· Toute tentative de réparation annule la responsabilité et les obligations de garantie et de remplacement du fabricant.
Informations sur l’élimination et le recy-
clage
· 2012/19/UE (directive DEEE) : Les produits portant ce symbole ne peuvent pas être mis au rebut en dehors d’un centre de tri sélectif dans l’Union européenne. Pour un recyclage correct, renvoyer ce produit au fournisseur local contre l’achat d’un appareil neuf équivalent, ou le remettre à un point de collecte prévu à cet effet. Pour de plus amples informations, consulter le site : www.recyclethis. info
PPLIMW01260Ea | 2019 / 10 Watts
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The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice.” Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattsindustries.com Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to in a writing signed by an officer of Watts.
PPLIMW01260Ea
Watts Electronics S.A.S B.P. N°10 – Z.A. des Tourettes, 43800 ROSIERES, France,
T: +33(0) 471 57 40 49, F: +33(0) 471 57 40 90, www.wattsindustries.com
© 2019 / 10 Watts


















