Viessmann VITOGAS 050 User Manual

VITOGAS 050
Installation and
Service Instructions
Vitogas 050
ECV Series
Natural gas-/Propane-fired
atmospheric cast iron boiler
Rated input: 65 to 200 MBH
19 to 59 kW
Read and save t hese instructions
for f ut ure reference.
IMPORTANT
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
WARNING
Do not store or use gasoline or other flammable
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
JDo not try to light any appliances.
JDo not touch any electrical switches, do not
use any phone in your building.
JImmediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
JIf you cannot reach your gas supplier, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
Improper installation, adjustment, and/or operation
could cause carbon monoxide poisoning resulting in
injury or loss of life.
This product must be installed and serviced by a
professional service technician who is experienced
and qualified in hot water boiler installation and gas
combustion.
WARNING
5167 450 v1.4 07/2006
Please file in Service Binder

Viessmann VITOGAS 050 Specifications

General

Flue Connection	80/125 mm
Type	Gas Condensing Boiler
Fuel Type	Natural Gas
Efficiency	Up to 98%
Control Unit	Vitotronic
Hot Water Production	Yes, with storage tank

Summary

Installation and Service Instructions

What to Do If You Smell Gas

Procedure to follow if gas leak is detected.

General Safety Warnings

Potential fire or explosion hazard if manual is not followed exactly.

Safety, Installation and Warranty Requirements

Licensed Professional Contractor

Requirement for licensed professionals for installation, adjustment, and service.

Air Quality and Combustion Hazards

Impact of contaminated air, carbon monoxide risks from improper venting.

Safety, Installation and Warranty Requirements (continued)

Hazardous Materials in Appliance

Appliance materials and combustion products contain toxic substances.

Set-up

Combustion Air Supply

Requirements for providing adequate fresh air for combustion and ventilation.

Connections

Venting Connection Guidelines

Guidelines for installing the vent system for the boiler.

Vent Terminal Connection Locations

Regulations and guidelines for vent terminal installation locations.

Installation Checklist

A checklist to ensure proper installation before and after the process.

Low Water Cut-off

Requirement and installation of a low water cut-off device.

Pressure Relief Valve Installation

Installation requirements for the pressure relief valve and discharge piping.

Gas Piping Installation and Testing

Guidelines for installing and testing the gas piping.

Gas Pressure and Orifice Sizes

Table detailing gas pressure and orifice sizes for natural gas and propane.

Gas Input Measurement and Setting

Procedure for checking and setting the gas input and manifold pressure.

Electrical Connections

Guidelines for making electrical connections to the boiler.

Initial Start-up and Service

Initial Start-up Procedure

Procedure for initial boiler start-up and system checks.

Shut Down Heating System

Steps to safely shut down the heating system.

Cleaning Heat Exchanger

Procedure for cleaning the boiler's heat exchanger.

Check Flue Pipe and Vent Termination

Inspection of flue pipe and side wall vent termination.

Check Pressure Relief Valve and System Pressure

Check for Leaks

Combustion Air Supply and Ventilation Check

Safe Storage of Materials Near Boiler

Check High Limits, Pumps, and Low Water Cut-off

Vent System Annual Inspection Warning