This manual provides essential information for the proper installation, operation, and maintenance of the Viessmann 7820148 Outdoor Sensor #1. Please read these instructions carefully before proceeding with any installation or service. This sensor is designed to provide accurate outdoor temperature readings to compatible Viessmann heating systems, optimizing their performance and efficiency.

Image: Viessmann 7820148 Outdoor Sensor #1 in its original packaging, showing the part number and brand logo.
WARNING: Installation, adjustments, service, or maintenance of this product must be performed by a licensed professional heating contractor qualified to work with hot water boilers and associated controls. Failure to follow these instructions could result in property damage, personal injury, or death.
The Viessmann 7820148 Outdoor Sensor #1 is compatible with the following Viessmann heating systems and controls:
Proper placement and wiring are crucial for accurate temperature readings and optimal system performance. Consult your heating system's specific installation manual for detailed wiring diagrams and placement recommendations.

Image: Viessmann 7820148 Outdoor Sensor #1 with its cover open, revealing the green circuit board and wiring terminals. Two mounting screws and anchors are visible below the open housing.

රූපය: ආපසු view of the Viessmann 7820148 Outdoor Sensor #1 housing, showing mounting holes and a barcode sticker with numbers 41547 and 22616.

රූපය: සමීප රූපය view of the Viessmann 7820148 Outdoor Sensor #1's internal circuit board. The green board has 'VIESSMANN' printed on it, along with 'HND 02/14' and terminals labeled '1' and '2' for wiring connections.

Image: Viessmann 7820148 Outdoor Sensor #1 with its cover closed, showing the compact, white, rectangular housing.
The Viessmann 7820148 Outdoor Sensor #1 operates passively by continuously measuring the ambient outdoor temperature. It transmits this data to the connected Viessmann heating system control. The control unit then uses this information to adjust the boiler's output, optimizing heating curve settings and ensuring efficient and comfortable indoor temperatures based on outdoor conditions. No direct user interaction is required for the sensor's operation once installed and configured.
The Viessmann 7820148 Outdoor Sensor #1 is designed for minimal maintenance. Periodically, it is recommended to:
Any internal inspection or repair should only be performed by a qualified service technician.
If your heating system is not responding correctly to outdoor temperatures or displaying an error related to the outdoor sensor, consider the following:
| විශේෂාංගය | විස්තර |
|---|---|
| ආදර්ශ අංකය | 7820148 |
| වෙළඳ නාමය | Viessmann |
| ද්රව්ය | තඹ |
| මිනුම් නිරවද්යතාව | ±1.5°C |
| මිනුම් පරාසය | 6 - 24 °C |
| සවිකිරීමේ වර්ගය | ෆ්ලැන්ජ් මවුන්ට් |
| ප්රතිදාන වර්ගය | ඩිජිටල් |
| අයිතමයේ බර | අවුන්ස 3.13 කි |
| පැකේජ මානයන් | අඟල් 5.55 x 4.72 x 1.89 |
| UPC | 653958692898 |
| නිෂ්පාදකයාගේ කොටස අංකය | 7820148 |
| Internal Barcode Reference | 4154722616 (from product label) |
Note: Specifications are subject to change without notice. Always refer to the product packaging or manufacturer's official documentation for the most current information.
For specific warranty information regarding the Viessmann 7820148 Outdoor Sensor #1, please refer to the documentation included with your original heating system or contact Viessmann directly. Warranty terms typically vary based on the region and purchase date.
For technical support, replacement parts, or service inquiries, it is recommended to contact a licensed Viessmann heating contractor or Viessmann customer service. When contacting, please provide the 16-digit boiler serial number or the 12-digit ASME/NB serial number of your heating system to ensure accurate assistance and proper part identification.
You can find more information on the official Viessmann webඅඩවිය: www.viessmann.com
![]() |
Viessmann Vitodens Gas Boiler Guide: Efficient Heating Solutions Explore the Viessmann Vitodens range of high-efficiency gas condensing boilers, including models 050-W, 100-W, 111-W, 200-W, 222-F, and 242-F. Learn about their features, benefits, technical specifications, installation accessories, and control systems for optimal home comfort and energy savings. |
![]() |
Viessmann Vitotronic 200 Quick Start Programming Guide for Vitodens 200 Heating Systems A concise guide to programming the Viessmann Vitotronic 200 control unit for Vitodens 200 boilers. Covers basic and advanced settings, troubleshooting, language changes, and diagnostic functions. |
![]() |
Viessmann Cascade Communication Module KMK Bus Installation Guide Installation instructions for the Viessmann Cascade Communication Module (KMK Bus), Part No. 7441 586, for Vitodens 200-W WB2B/B2HA/B2HB series boilers. Includes safety, application, and connection details. |
![]() |
Viessmann Domestic Gas Boiler Guide: Vitodens Series Overview Explore the Viessmann Vitodens range of domestic gas condensing boilers, including models 050-W, 100-W, 111-W, 200-W, and 222-F. Learn about features, specifications, installation, and digital services. |
![]() |
Viessmann ViGuide App Remote Monitoring Guide for Boiler Commissioning Learn how to commission boilers and set up remote monitoring with the Viessmann ViGuide App. This guide provides essential steps for using ViGuide.Viessmann.com and complements detailed installation instructions. |
![]() |
Viessmann Vitodens 300 ගෑස් ගිනිගත් ඝනීභවනය වන බොයිලේරු දත්ත පත්රිකාව සහ තාක්ෂණික තොරතුරු Viessmann Vitodens 300 ගෑස් දහනය කරන ලද ඝනීභවනය කරන බොයිලේරුව සඳහා පිරිවිතර, ස්ථාපනය, උපාංග සහ කාර්ය සාධනය ආවරණය වන පරිදි සවිස්තරාත්මක දත්ත පත්රිකාව සහ තාක්ෂණික තොරතුරු. සවිස්තරාත්මක රූප සටහන් සහ තාක්ෂණික දත්ත ඇතුළත් වේ. |