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 |
| 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
© 2022 Watts
PPLIMW15581Aa-QIG-WTA-FR-W-ML-05-22
WATTS EUROPE
