Viessmann VITOPEND 222 WHSA User Manual

VITOPEND 222 Type WHSA
Gas fired boiler with an integral primary cylinder
Fully automatic
With modulating atmospheric burner for open flue opera-
tion
or
With modulating pressure-jet burner for balanced flue
operation
Control unit for constan t temperatur e or wea ther-compen-
sated operation is included in the equipment price
For natural gas and LPG
VIESMANN
Datasheet
Part numbers and prices: see pricelist
VITOPEND 222
Gas fired boiler with an integral primary cylin der for open or ba lanced flue
operation
10.5 to 24 (30) kW
File in: Vitotec folder, register 5
5822 335-1 GB 3/2006

Viessmann VITOPEND 222 WHSA Specifications

General

Brand	Viessmann
Model	VITOPEND 222 WHSA
Category	Boiler
Language	English

Summary

Datasheet

VITOPEND 222 Type WHSA

Overview of the VITOPEND 222 boiler model, detailing its features and capabilities.

Benefits

Selection

Specification

Balanced Flue Operation

Technical specifications and parameters for balanced flue configurations of the boiler.

Open Flue Operation

Technical specifications and parameters for open flue configurations of the boiler.

Pre-installation

Finished Walls

Installation guidelines and requirements for mounting on finished walls.

Unfinished Walls

Installation guidelines and requirements for mounting on unfinished walls.

Electrical Connection

Details on power supply, wiring, and safety for electrical connections.

Accessories for Vitopend Installation

Installation Template for Finished Walls

Details on the installation template and components for finished wall mounting.

Installation Template for Unfinished Walls

Details on the installation template and components for unfinished wall mounting.

Vitotronic 100 HC1 (Constant Temperature Mode)

Structure and Functions

Overview of the control unit's modular design, basic and programming units, and core functions.

Accessories for Vitotronic 100

List of optional accessories available for the Vitotronic 100 control unit.

Vitotronic 200 HO1 (Weather-compensated Mode)

Structure and Functions

Overview of the control unit's modular design, basic and programming units, and core functions.

Accessories for Vitotronic 200

List of optional accessories available for the Vitotronic 200 control unit.

Delivered Condition

Vitopend 222 for Open Flue Operation

Details on the components and features included for open flue models.

Vitopend 222 for Balanced Flue Operation

Details on the components and features included for balanced flue models.

Design Information

Installation for Balanced Flue Operation

Guidelines and safety requirements for installing the boiler in balanced flue configurations.

Installation for Open Flue Operation

Guidelines and safety requirements for installing the boiler in open flue configurations.

Flue Gas Connection

Technical details and requirements for connecting the flue gas system.

Water Quality/Frost Protection

Recommendations for water quality and measures to prevent frost damage.

Sizing the Diaphragm Expansion Vessel for Heating Water

Guidance on calculating and selecting the appropriate diaphragm expansion vessel size.

Flue Gas/Ventilation Air System Accessories for Balanced Flue Operation

Vertical Pitched and Flat Roof Outlet

Accessories and installation details for roof outlets in balanced flue systems.

External Wall Terminal

Accessories and installation details for external wall terminals in balanced flue systems.

Flue Gas System Accessories for Open Flue Operation (Aluminium)

Flue Gas Connection

Requirements and considerations for connecting the flue gas system in open flue operation.

Combustion Ventilation

Guidelines for air supply and ventilation requirements for open flue operation.

Tested Quality

Information regarding the CE designation and product certification.