Bosch T9800SE199 Greentherm 9800 Tankless Water Heater Without Pump & Wi-Fi

Installation and Operating Guide - Page 17

For T9800SE199.

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Installation instructions
17
Greentherm T9800 SE 160/199 – 6 720 816 815 (2022/01)
WARNING:
Flammable materials, gasoline, pressurized containers, or
any other items or articles that are potential fire hazards
must NOT be placed on or adjacent to the heater. The
appliance area must be kept free of all combustible
materials, gasoline and other flammable vapors and
liquids.
WARNING:
Risk of blockage!
Excess of solid particles (e.g. bugs, pollen) in the air intake
may clog the air filter and lead to premature failure of the
heater if not protected accordingly.
Do not install the water heater in areas where excess of
solid particles may accumulate.
NOTICE:
Risk of blockage!
Optional paper filter (part # 8738725270) can be
installed on the air fan for increased protection against
dusty, dirty combustion air or heavy pollen entering the
combustion chamber to reduce the risk of burner blockage.
In areas with high solid particles content in the air it is
recommended to use this filter. Maintenance frequency
might need to be adjusted to keep the filter clean and allow
a good performance of the heater.
4.4 Heater placement and clearances
The water heater design is approved for installation on a
combustible wall (see chapter 4.5 Mounting installation)
provided the floor covering below the heater is
noncombustible.
For installations in an alcove or closet, maintain the minimum
clearances to combustible and non-combustible materials. See
fig. 6, page 16.
4.5 Hanging appliance on the wall
WARNING:
Severe personal injury and property damage!
Before mounting appliance:
Check that there are no loose or damaged parts inside the
appliance.
Set the heater gas type according to the gas supplied to the
unit.
Confirm that the water heater has been property setup for
the gas type supplied to the unit. See conversion
instructions in section 6.8.1 as needed.
Front cover should be removed (see instructions on page 12) in
order to inspect components visually.
WARNING:
Do not install this appliance on a carpeted wall. The heater
must be mounted on a wall using appropriate anchoring
materials.
NOTICE:
Risk of appliance freezing!
In areas where outside temperature is routinely below 32°F
(0 °C) and the heater is to be installed on the inside of an
exterior wall, provide a minimum 2" air gap or rigid
insulation between the heater back and the wall.
If the wall is sheathed with plaster or drywall, it is
recommended that two support boards, either 1"x 4" or 1/2"
(minimum) plywood first be attached across a pair of studs, see
fig. 7.
Secure the wall mounting bracket provided with the heater
to a wall surface. The heater must be kept level on the wall
surface, see fig. 8, page 18.
Hang the appliance on the bracket, see fig. 9.
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