Water Heater Installation; Installation Of Exhaust Pipe - HTW OBI Serie Manual De Usuario E Instalacion

Installation of the heater
The operation of the installation can only be carried out
by authorized professionals.
Please pay attention to the special requirements for
installation made by the local country.
Please pay attention to the related regulations on the
bonding pressure of gas and gas types on the nameplate
of the heater.
Before connecting the gas pipe and water pipe to the
heater,please pay attention to the cleanout of these pipes
to remove impurities and other pollutants.
Installation of gas pipe
A sealing valve of G1/2 must be installed on the gas supply

pipe, as shown in the figure.
If necessary, please install a reductor on the gas supply pipe

(only for the butane supply)
Installation of water pipe and gas
pipe
Reductor
Sealing valve
Output of hot water
Reductor (optional)
Input of cold water
Installation of water pipe
A sealing valve shall be installed on the pipe of cold water, as

shown in the following figure.
The manufacturer recommends the installation of a reductor on

the cold water pipe.
In case of corrugated pipes, the minimum bending radius shall

be 20mm.
Connect the sealing valve to the attached cold water pipe.

Connect the sealing valve to the cold water input of the heater.

Connect the hot water output of the heater to the hot water pipe.


Installation of exhaust pipe

The heater should be equipped with an exhaust pipe or a
chimney. Please pay attention to the specific regulations for
installation required by the local country.
Only after finishing the installation of the exhaust pipe can the

heater be started for operation. Please pay attention to the require-
ments for the specification.
The parts of the exhaust pipe should be equipped with solid gas

funnel with water tightness.
The exhaust pipe cannot be oriented to ceiling.

An air intake should be introduced into the space of installation

in the place near ground.
Exhaust pipe
Warning:
please make neccessary fire resistance insulation
protection to the flue pipe. If the flue pipe is fixed to the
wooden wall or other material with no fire resistance, it is
compulsory to do fire resistance insulation,or the unit
is not allowed to be installed.
BE CAREFUL OF BURNING!
21
~ ~