Viessmann Vitocrossal 300 CU3A Guida utente

lication Guid

Vitocrossal 300,

U3A

ent

III

Application Guide

The application examples contained in this document serve as a guideline only.

These are not engineered drawings and are not intended to replace project

designs provided by a professional engineer. It is the responsibility of the

installing contractor to ensure all aspects of the system comply with the local

authorities having jurisdiction.

No part o

this book may be used or reproduced in an

manner w

atsoever w

out pr

or wr

tten perm

For in

ormation, contact:

Viessmann Manufacturing Company Inc

750

urray

Waterloo ON, N2V 2G5, Canad

hone: 519-885-6300

ree: 800-387-7373

www.v

essmann.ca

Each day Viessmann heating systems

face a wide variety of requirements

and challenges here in North Ameri-

ca, and around the world. Whether in

historically protected homes, modern

commercial buildings, or in large facil-

ities, Viessmann products meet every

demand and offer solutions for all your

needs: wood, oil, or gas ﬁred boilers

for both residential and commercial

use, from 12KBTU to 17.9MMBH (4 to

5263kW), domestic hot water storage

tanks, solar collectors, Biogas technol-

ogies, and much more.

Viessmann also sets the standard

for operational reliability, operating

comfort, environmental friendliness

and a long service life. All Viessmann

products have one thing in common:

they are based on a modular

technology strategy with one common

platform. This way, different product

versions can be created to fulﬁll each

customer’s speciﬁc requirements. In

short, Viessmann takes care of all your

needs, from start to ﬁnish.

Part of that is a comprehensive sup-

port program: A knowledgeable Viess-

mann sales representative network,

technical training academy, and

technical support personnel assist

you right from the planning stage

through to the installation and start-

up phase of a project.

With Viessmann you are witnessing

intelligent, high-tech boiler technology

at work. We have selected some of

the most interesting Viessmann appli-

cations from across North America for

your reference.

Pre-Face / Overview

AH2 ... ... ...B

Fuel Types

Efﬁciency

Low Temperature A F

Condensing B J

CHP C

Gas Oil

Generation of Boiler

onsecutive Number

A B C ...

Heat Only Circuit Combi Combi Comfort Coiled Tubing Tank Stratiﬁed Loading tank Solar Heating For DHW Solar Heating

Wall-Mounted GHJ K - L - -

Floor Standing -R- - S T U V

Series P

Segment 100 1

200 2

300 3

Identifying Boiler Nomenclature

entif

Boiler Nomenclatur

Identifying Boiler Nomenclature

X2VD 2ZC ZP 01I2

Number of boilers in system Number of heating circuits

1, 2, 3 ...

Number of individual zones in system

Drawing version

How system is zoned

ZP Pumps

ZV Zone Valves

TV Thermostatic Radiator Valves

C Combination

Type of Circuits:

HC Heating Circuit

ZC Zone Circuit

HC/ZC Combination System

Boiler Segment

VD Vitodens

CM Vitocrossal

VR Vitorond

Segment / Series

1100 Series

2200 Series

3 300 Series

Domestic Capability

XNo DHW

IWith indirect DHW

C On demand DHW

T Stratiﬁed Loading Tank

Identifying Boiler NomenclatureIdentif

Boiler Nomenclatur

Identifying Application Codes

Medium

120 -160 °F

Low

80 -120 °F

High

160 -190 °F

Medium

140 -160 °F

High

160 -190 °F

Medium

120 -180 °F

er to

echnical Data Manual of each product for applicabl

certi

ications.

echnical information subject to change without not

ice.

Best Choice

Possible with limitations

Not recommended

1- Limited maximum boiler supply water temperature.

2- Ensure boiler protection to prevent against low return water temperature

Baseboard / Fan Coil

Cast Iron Radiator

Panel Radiator

Radiant Floor Heating

Indirect DHW

Air Handlers

Vitodens

100

Vitodens

200/222-F

Vitorond

100

Vitocrossal

300 CU3A

Typical Supply

Temperature

Application

Recommended Product Applications

Vitrocrossal CU3A Ball valve Circulator with isolation ﬂanges Aquastat Secondary low water cut-off

Low loss header Thermostatic mixing valve Radiant inﬂoor manifold Motorized mixing valve Outdoor temperature sensor

Panel radiator Flow check valve Hot water baseboard radiator Thermostat Temperature sensor

Boiler water feed with double back

check valve

Air eliminator Expansion tank Viessmann Vitotrol Multi-zone control

Purge assembly:

(sediment faucet and ball valve)

Zone valve Hydronic air handler 24V Zone valve Circulator

Towel radiator Viessmann 3-way mixing valve

with actuator motor

Plate and frame heat exchanger 120 volt power

Hydronic Components Electrical Components

Component Index

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