Installation; Packaging; Conditions; Ambient Conditions - A.O. Smith TWI 35-200 Installation, User And Service Manual

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0313279_TWISTER II_UKUK_V1.1, 18-02-2019

Installation

Warning
The installation must be done by a qualified person, in compliance with general and local
applicable regulations (on page 4).
Caution
The water heater may not be used in rooms where chemical substances are stored or
used because of the risk of explosion and corrosion of the water heater. Some
propellants, bleaching agents and degreasing agents etc. disperse of explosive vapors
and/or cause accelerated corrosion. If the water heater is used in a room where such
substances are stored or used, the warranty will be void.
For more safety instructions, refer to Safety instructions (see 6.1).

Packaging

A.O. Smith recommends to unpack the water heater at or near its intended location.
Remove the packaging material carefully to prevent damage to the water heater.

Conditions

The water heater is suitable for room-sealed and for open combustion. For these types of
combustion, you must comply with the local applicable directives and ventilation
regulations.

Ambient conditions

The installation site must be frost-free. If necessary, adjust the installation site to keep it
frost-free.
Make sure that the ambient conditions are correct to prevent malfunction of the electronics
in the water heater.
Air humidity and ambient temperature
Air humidity
Ambient temperature

Maximum floor load

Refer to the building construction engineer and the general specifications in the appendices
(see 13) to make sure that the maximum floor load is sufficient for the weight of the water
heater.

Water composition

The water must comply with the regulations for drinking water for human consumption.
Max. 93% RH at + 25 ºC
Functionality: 0 < T < 40 ºC
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