NEC RWC-3217 User Manual page 13

Installation Instructions
2. Installation requirements
Installation Requirements
1.Accessories
Leave a space more than 100 cm at the rear of the appliance and ensure the outdoor air intake not
be blocked.
A wooden frame as shown in fig.1 is advisable if the appliance is installed through a window. The
installation bracket as shown in fig.2 should not be welded with the window sash.
The square hole should be smooth enough if the appliance is installed through a wall. A space
as shown in fig.3 for outdoor air intake should be prepared if the wall is too thick.
The metallic installation bracket should be constructed as fig.4.
All the installation structure should be strong enough.
RWC-3217
90
539
Fig.1
85
Fig.2
RWC-4717
90
710
Fig.1
85
Fig.2
A
A A
Space for outdoor
air intake
A
A A
Space for outdoor
air intake
Fig.4
12
A
90x20x539
wooden strip
539
740
Fig.3
thickness of wall
Fig.4
A
90x20x710
wooden strip
710
910
Fig.3
thickness of wall