Bosch 520-HN -L Manual page 12

12 | Installation instructions
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 must be removed in order to
inspect components visually (see
instructions below).
Remove cover and inspect.
▶ Remove the flow control and power adjustment knobs.
▶ Unscrew the cover fixing screws, see Fig. 6.
▶ Loosen the two Phillips head screws located on bottom
rear of cover. Remove cover by pulling it outward and then
lifting upwards.
▶ Ensure that the flue terminal is clear.
▶ After inspection, replace front cover and tighten screws.
Install incandescent particle tray.
▶ Install incandescent particle tray using screws provided as
shown in Fig. 5.
Fig. 5 Incandescent particle tray illustration
[1] Screws
[2] Incandescent particle tray
Mounting heater.
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
6 720 644 942 (2014/11)
pair of studs and then the heater should be attached to the
support boards, see Fig. 7.
▶ Install the two included L shaped hooks to wall studs or
support board 13 ¼" apart (See Fig. 7).
▶ Hang heater on two L shaped hooks. (See Fig. 8).
Fig. 6 Remove front cover
1
2
3
Fig. 7 Support board
[1] Wall studs
[2] Support board
[3] 1"x4" Space board
520 HN