WATTS A03 Heat Vision Wired Electronic Room Thermostat Installation Guide
- June 5, 2024
- WATTS
Table of Contents
Vision® Wired
Wired Electronic Room Thermostat
A03 Heat
Wired electronic room thermostat
Installation Guide
A03 Heat Vision Wired Electronic Room Thermostat
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Safety warnings and operating instructions
This product should be installed by a qualified professional according to all
applicable regulations and standards.
All instructions in this Installation & Operation manual should be observed
when working with the thermostat.
Failures due to improper installation, improper use, or poor maintenance are
voiding manufacturer liability.
Before starting work disconnect the power supply!
All installation and wiring work related to the thermostat must be carried out
only when de-energized.
The thermostats are neither splash- nor drip-proof. Therefore, they must be
mounted in a dry place.
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Environmental: Operating temperature
Shipping and storage temperature| 0°C – 40°C
-10°C to +50°C
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Electrical protection
Security isolation
Class ERP
Energy efficiency gain| IP30
Class II
Level IV
2%
Temperature precision| 0.1°C
Setting temperature range
Off (Antifreeze)| 7°C to 30°C, 0,5°C step
7°C
Regulation characteristics| Hysteresis 0.6°C
Power supply| From 24V to 240VAC 50Hz
Power output| Live Triac, NO or NC
24VAC: Max. 5 actuators (1,6W/actuator)
230VAC: Max. 8 actuators (1,8W/actuator)
Internal sensing element| NTC 10kΩ at 25°C
The descriptions and photographs contained in this document are supplied by way of example and illustration only. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice. 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.
https://wattswater.eu/wt-a03/
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.wattswater.eu
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