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Installation instructions
3 Installation instructions
3.1 Specialized tools
The following specialized tools may be required for
installation:
• Manometer
• Multi-meter
• Combustion Gas Analyzer.
3.2 Introduction
Please follow these instructions. Failure to follow
instructions may result in:
B Damage or injury.
B Improper operation.
B Loss of warranty.
3.3 Venting
Warning:
The water heater must be installed by a
qualified installer in accordance with these
instructions. If improperly installed, a
hazardous condition such as explosion or
carbon monoxide poisoning could result.
Bosch Thermotechnology Corp. is not
responsible for improperly installed
appliances.
Common installation practice is to
first determine the venting/
combustion air point of termination,
then design the piping layout back to
the heater.
Warning:
B Do not reduce the exhaust or
combustion air vent pipe sizes.
B Do not common vent with any other
vented appliance or stove.
B Do not use Type-B vent as the actual
exhaust vent system for the appliance.
Warning: Failure to vent the exhaust
gases to the outside (see Table 2 for
proper material) may result in
dangerous flue gases filling the
structure in which it is installed.
Warning: In areas where outside
temperatures routinely come close to
freezing, sealed combustion operation
is required. Concentric termination or
separate terminations for combustion
and vent, must be installed on the same
wall or roof surface; however, never
facing the direction of prevailing winds.
Failure to do so may result in heat
exchanger freezing and bursting. This
failure is not covered under the
manufacturer's warranty.
Warning: Protect the exhaust and inlet
from leaves and debris by installing a
screen on the end of the terminator.
¼" mesh minimum opening
recommended on screen.
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