Viessmann VITOPEND 100 WHEA 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 100 WHEA Specifications

General

Type	Wall-mounted gas condensing boiler
Efficiency	Up to 98%
Mounting	Wall-mounted
Fuel Type	Natural gas or propane
Control System	Electronic Control Unit
Operating Pressure	Max. 3 bar
Connection Sizes (Gas/Water)	R 3/4" / R 3/4"

Summary

VITOPEND 222 Overview

Datasheet

General information and pricing reference.

Benefits

Specification - Vitopend 222

Rated output range for central heating/DHW heating

Technical data on heating and DHW output ranges.

Dimensions

Provides physical dimensions of the boiler unit.

DHW primary cylinder

Details of the integrated domestic hot water cylinder.

Flue gas values

Technical data related to flue gas emissions and mass flow.

Pre-installation

Pre-installation: finished walls

Guidelines for installing the boiler on finished walls.

Electrical connection

Requirements and procedures for electrical connections.

Accessories for Vitopend installation

List of optional accessories for installing the Vitopend.

Design Information

Installation for balanced flue operation

Requirements for installing the boiler with balanced flue.

Installation for open flue operation

Requirements for installing the boiler with open flue.

Flue gas connection

Guidelines for connecting the flue gas system.

System design

Recommendations for heating system design and temperature limits.

Water quality/Frost protection

Guidelines for fill water quality and frost protection.

Sizing the diaphragm expansion vessel for heating water

How to size the expansion vessel for heating water.

Flue Gas System Accessories

Flue gas/ventilation air system accessories for balanced flue operation

Accessories for balanced flue gas and ventilation systems.

Flue gas system accessories for open flue operation

Accessories for open flue gas systems.