Bard CH4S1 用户手册

Manual 2100-455A
Page

12 of 25

FIGURE  5

ELECTRIC HEAT CLEARANCE

RECOMMENDED

1" OPTIONAL CLEARANCE 

Duct

Outside Sheeting

Unit

Inside Sheeting

Wall Frame

Supply Air

Typical Building

Supply Air Duct

Flange of Wall

MIS-2210

Side section view of supply air

duct for wall mounted unit showing

0" clearance to combustible surfaces.

Note:  This unit is approved for 0" clearance, but the optional 1" clearance is recommended.  See Figures 3 & 4.