Ventilation System - Sharp 1490 Installation Instructions Manual

Over the range microwave oven/hood system
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7 PREPARATION OF THE OVEN
1. Open the bottom of the carton, bend the carton flaps back and tilt the oven over to rest on plastic foam pad.
Lift carton off oven and remove all packing materials, Installation Instructions, Wall Template, Top Template,
Charcoal Filter, Turntable and Turntable Support; however, DO NOT REMOVE THE WAVEGUIDE
COVER, which is located on the ceiling in the oven cavity. SAVE THE CARTON AS IT MAY MAKE
INSTALLATION EASIER.
2. CHECK THE OVEN.
Check the oven for any damage, such as misaligned or bent door, damaged door seals and sealing
surfaces, broken or loose door hinges and latches and dents inside the cavity or on the door. If there is
any damage, do not operate the oven and contact your dealer or SHARP AUTHORIZED SERVICER.
3. Remove and save Screw (A) as shown in Figure 6.
4. If your oven comes with the louver installed, push down carefully on the tabs (B) and (C) at the ends of the
louver to disengage it. Pull the louver away from the unit and set aside.
5. Loosen the two Mounting Screws (D) which secure the Mounting Plate to the rear side of the oven. Remove
the Mounting Plate. See Figure 7.
(A)
(B)
Figure 6

8 VENTILATION SYSTEM

This Microwave Oven/Hood is designed for adaptation to three types of hood ventilation systems. Select the
type required for your installation.
A. Recirculating — non-vented, ductless. Follow installation procedure A. Recirculating requires the use of
the Charcoal Filter 9 (previously installed or is packed in the packing foam).
B. Horizontal Exhaust — outside ventilation. Follow installa-
tion procedure B.
C. Vertical Exhaust — outside ventilation. Follow installation
procedure C.
(A) RECIRCULATING: Non-Vented, Ductless Operation
The unit is shipped assembled for recirculating. Attach the
Charcoal Filter to the upper side of the oven by sliding into
the tabs. See Figure 8.
NOTE:
1. The Exhaust Damper Assembly 8 is not required for
recirculating operation.
2. The Charcoal Filter should be replaced every 6 to 12
months, depending on use.
3. The Charcoal Filter RK-230 is also sold as an accessory .
See page 8 for ordering information.
Mounting
Plate
(C)
Control
Panel
Side
(D)
Figure 7
9
Tabs
4
Mounting Plate
(D)
Tabs
Figure 8

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