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Heater Placement And Clearances; Mounting Heater - Bosch 330-PN-N Installation Manual

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4.3

Heater placement and clearances

The 330 PN is design certified for installation on a combustible
wall (see 4.4 Mounting installation) provided the wall is not
covered with carpet or other fabric material. For installations in
an alcove or closet, maintain the minimum clearances to
combustible and non-combustible materials listed below. See
also Fig. 4.
A. Top 12 inches (306 mm)
B. Front 4 inches (100 mm)
C. Back 0 inches
D. Sides 4 inches (100 mm)
E. Bottom 12 inches (306 mm)
4.4

Mounting Heater

WARNING: before starting installation:
▶ check that there are no loose parts
inside the appliance
▶ ensure that gas pipe, gas valve, and
burner have no damage and are
properly fitted.
▶ Read chapter 3.2 to verify proper gas
type and to check all parts are included
in box.
Front cover should be removed in order to
inspect components visually (see
instructions below).
Remove cover and inspect.
▶ Remove the temperature control.
▶ Unscrew the cover fixing screws, see Fig. 6.
▶ Remove the outer case by sliding it forwards and then
lifting upwards.
▶ Ensure that the flue terminal is clear.
▶ After inspection, replace front cover and tighten screws.
Install incandescent particle tray.
330 PN
▶ Install incandenscent particle tray using screws provided
as shown in Fig. 5.
Fig. 5
Incandescent particle tray illustration
[1] Screws
[2] Incandescent particle tray
Mounting heater.
The 330 PN is design certified for mounting on a wall.
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 a stud wall sheathed with
plasterboard, it is recommended that support board(s), either
1x4's or 1/2" (minimum) plywood first be attached across a
pair of studs and then the heater should be attached to the
support boards, see Fig. 7.
▶ Secure the two included L shaped hooks to wall studs or
support board 13 1/4" apart. (See Fig. 7).
▶ Hang heater on two L shaped hooks. (See Fig. 8).
Fig. 6
Remove front cover
Installation instructions | 11
6 720 644 951 (2014/11)

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