UNGARO BiFuel en ELS34, User Manual

5

MANUALE UTENTE

ply and contact the  Technical Sup-

port;

3.  Only authorized Ungaro personnel 

may access to the electrical or meca-

nical parts of the appliance.

The connection of the appliance to 

the plumbing system must be car-

ried out only by specialized person-

nel who are capable of carrying out 

installation properly, in compliance 

with current standards in the country 

of installation. The Heating System 

Compliance  Certificate  must  be  is

-

sued under the  responsibility of the 

installer.

Please follow up local regulations 

and directives (

es: regional building 

regulations, requirements for hea-

ting devices, technical regulations 

for water and air heating systems)

.

2.4 Plumbing Connections

Always install gate valves upstream and 

downstream of the boiler to be able to di-

sconnect it from the plumbing system.

It is recommended that a water drain cock 

is used on the return pipework. 

Connect the appliance to the heating sy-

stem  with  flexible  wedges  to  give  some 

space for maintenance work. 

The 

security 3 Bar valve

 should 

be piped outside to prevent injury to 

the user if it is activated.

Thermal safety drain,

 if present, 

should be piped outside downward. 

In case of overheating, it must ope-

rate in complete safety for people, 

animals or property. The hot water 

and steam must not remain inside of 

the room. 

3. Installation

The installation must be carried out by spe-

cialized personnel under responsibility of 

the person entrusted with it. 

Ungaro S.r.l. will not be held responsible for 

damage to persons or things in the event 

of failed or incorrect operation if the afore-

mentioned warnings are not complied with.

3.1 Regulations

Installation must be carried out with refe-

rence to the following standards:

UNI 10683 

UNI 10412-2

The smoke duct must comply with:

UNI EN 13384-1

 (2008) Thermal and 

dynamic fluid calculation methods for chim

-

neys

UNI 7129 - 1…- 4

 heating systems for do-

mestic use

UNI EN 1443

 (2005) chimneys: general 

requirements

UNI EN 1457

 (2004) Requirements and 

test  methods  for  clay/ceramic  flue  termi

-

nals.

3.2 Additional documentation

At the end of installation, the installer 

must inform the user on how to use the 

heating system and provide technical 

documentation for the appliances used in 

the installation. The installer must fill in: 

• Heating system booklet

• Documentation for the installation

The technical documentation includes:

• Reference to the current standards;

• Manufacturers installation indications;

• A rough description or scheme, or photo-

graphs of any system modifications made;

• Heating System Compliance Certificate;

• Declaration of Chimney Conformity.

A sign upon receipt of the technical 

documentation is requested from the 

user. 

3.3 Installation Area

The boiler/thermostove should be positio-

ned on the fire resistant floor. If the flooring