Viessmann Vitodens 222-F B2TB User Manual

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Viessmann Vitodens 222-F B2TB Specifications

General

Type	Condensing Boiler
Energy Efficiency Class	A
Modulation Range	1:10
Max. Water Temperature	85°C
Output Range	3.2 to 35 kW
Efficiency	Up to 98%
Integrated DHW Cylinder	Yes
Dimensions	600 x 595 x 1436 mm
Fuel Type	Natural Gas
Water Pressure	Max 3 bar
Noise Level	≤ 49 dB(A)

Summary

Pre-Face and Overview

Boiler Nomenclature Guide

Application Code Identification

Recommended Product Applications

Component Index

Vitodens 222-F Application Examples

Application 1: Low Loss Header System

System with low loss header for boiler/system flow separation, using closely spaced tees.

Application 2: Four Zone Heating System

Four zone single temperature system with zone valves for heat distribution.

Application 3: Multi-Zone Control System

Multi-zone control for zoning with pumps in a single temperature setup.

Application 4: Two Heat Circuits Setup

System with two heat circuits (HC1, HC2) operating at different temperatures.

Application 5: Mixed Temperature Circuits

Low temp circuit with 3-way mixing valve and high temp circuit on low loss header.

Application 6: Multi-Circuit System

Two heat circuits with mixing valves and a high temp circuit on the primary side.