Sub-Zero 427R - Manual (Page 14)

Models 424 and 424FS Installation 14
Overlay Door Panel—Model 424
IMPORTANT NOTE: Install screws in all the mounting
holes in the door frame. The nature of the door panel with
a narrow outer rim and no connecting center member
requires the support provided by the glass door.
After the door panel installation is complete, apply the
cover patches or plugs provided over the holes on the
inside surface of the door.
The cover patches or plugs are part of the insulation
system on the door of the wine storage unit. Be sure to
cover all the holes in the door that were used.
The wine storage unit door is made with a sealed
double wall tempered glass core. The drill must not
contact this core when drilling. Be sure the hole is
centered on the small groove in the front of the door
frame and the drill passes squarely through the frame.
If you are inexperienced with drilling, fasten the handle
from the rear of the door panel only.