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Installation Instructions; Tools Required For Installation; Introduction; Proper Location For Installing Your Heater - Bosch GWH C 800 ES Installation Instructions Manual

Temperature modulated with electronic ignition suitable for heating potable water - not approved for space heating purposes intended for variable flow applications
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Installation instructions

3
Installation instructions
3.1

Tools required for installation

• Philips head screwdriver
• Flat head screwdriver
• Adjustable wrench
• Level
• Thermometer
• Standard plumbing tools
• Manometer.
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.
If you are unable to perform the tasks required to install
this heater properly, please contact a locally licensed
plumber or gas technician.
3.3
Proper location for installing your
heater
Carefully select the location of the water heater. For
your safety and for proper heater operation, you must
provide combustion air to the heater and a proper
exhaust vent system.
Follow the guidelines below:
B 1. Locate the heater where venting, gas and
plumbing connections are feasible and convenient.
B 2. The hot water lines should be kept short and
insulated to save energy. Centrally locating the water
heater is recommended to keep hot water
distribution times even throughout the structure.
Warning: The water in this water
heater is cold and always remains cold
except for the times the burner is on. In
the
event
of
conjunction with freezing temperatures,
it is recommended that the heater be
drained.
See chapter 6.2, page 31 "Winterizing"
for draining instructions.
8
power
outage
in
Warning:
Flammable
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
combustible materials, gasoline and
other flammable vapors and liquids.
3.4

Heater placement and clearances

The GWH C 800 ES design is approved for
installation on a combustible wall (see chapter 3.5
Mounting
installation)
covering below the heater is noncombustible.
For installations in an alcove or closet, maintain the
minimum
clearances
combustible materials listed below. See also Fig. 7,
page 7.
A. Top 12 inches (306 mm)
B. Front 1 inches (25 mm)
C. Back 0 inches
D. Sides 1 inches (25 mm)
E. Bottom 12 inches (306 mm)
3.5

Mounting installation

Warning: before starting installa-
tion:
B Check that there are no loose parts
inside the appliance
B Confirm that the gas type of the
heater matches the gas supply you
will be connecting the heater, See
Fig. 2, page 5.
B Ensure that gas pipe, gas valve,
mixer, fans and burner have no
damage and are properly fitted.
Front cover should be removed (see
i
instructions on page 6) 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.
If wall is sheathed with plaster or drywall, it is
recommended that two support boards, either 1"x4" or
1/2" (minimum) plywood first be attached across a pair
of studs, see Fig. 8, page 9.
B 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. 9, page 9.
materials,
kept
free
of
all
provided
the
to
combustible
and
6 720 608 643
floor
non-

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