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6 INSTALLATION LOCATION OF THE VGH
General
The boiler must be positioned and installed by a qualified installer or the gas company in accordance with all
applicable standards, local codes and regulations (see also paragraph 2.2). Commissioning of the boiler must be
done by a qualified installer or technician, who has been trained for this type of boiler.
Boiler Installation Location Requirements
The installation of the boiler must meet the following location requirements:
•
The installation of this boiler when installed using room air must comply with NFPA 54.
•
The flue gas pipes must be connected to the outside wall and/or the outside roof, see chapter 9.
•
The installation area must be dry and frost-free.
•
The boiler has a built-in fan that will generate noise, depending on the total heat demand. The boiler
location must minimize any disturbance this might cause. Preferably mount the boiler on a solidly
constructed wall or stand.
•
There must be sufficient lighting available in the boiler room to work safely on the boiler.
•
When a boiler is positioned at the highest point of the installation, the supply and return pipes must first
protrude 20" above the top of the boiler, before these pipes go to the installation side. In other words, the
water level must always be 20" above the top of the boiler and an automatic air vent must be installed in
the supply or return pipe. It is recommended to install a low water cut off above the boiler, when the boiler
is installed above the system or at the highest point in the installation.
•
Do not install the boiler in a location where it will be exposed to temperatures of 100 °F or higher.
•
Do not install the boiler in a location where it will be exposed to high levels of humidity and moisture or
where condensation might fall onto the boiler.
•
Make sure there is an open connection to the sewer to drain the condensate. This connection must be
lower than the condensate drains level of the boiler. If not, a condensate pump will be required.
•
Do not locate the boiler in an area which contains corrosive or other contaminants as outlined in section
9.8.1, especially Table 9.11 and Table 9.12.
•
When considering installation locations, consideration must be given to the combustion air supply,
specifically whether to use indoor air or sealed combustion.
•
Do not allow the combustion air to come from a source or area which contains corrosive or other
contaminants as outlined in section 9.8.1, especially Table 9.11 and Table 9.12.
The boiler must be positioned and installed by a qualified installer or gas company in accordance with all applicable
standards, local codes and regulations. Commissioning of the boiler must be done by a qualified installer or
technician, who has been trained for this type of boiler.
In the Commonwealth of Massachusetts this boiler must be installed by a licensed Plumber or Gas Fitter.
The installation area/room must have the following provisions:
•
120 V - 60 Hz power source socket with ground.
•
Open connection to the sewer system for draining condensing water.
•
A wall or stand to properly support the weight of the boiler.
•
Depending on the current of the used circulator, apply a circuit breaker between 6 and 12 amps
The installation of the gas appliance must conform to the requirements of this manual and your
local authority. Where required by the authority having jurisdiction, the installation must conform
to the standard for Controls and Safety Devices for Automatically Fired Boilers ANSI/ASME
CSD-1
The wall used for mounting the boiler must be able to hold the weight of the boiler, piping and
NOTICE
fittings, and the weight of the water. If not, it is recommended to mount the boiler by means of
a (optional cascade) stand.
The boiler must NOT be installed on or near carpeting.
CAUTION
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
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