Design Technical Manual

Table Of Contents
VERTICAL AIR HANDLER TYPE
On the main drain, provide 1 trap near the indoor unit.
This unit has a primary and a secondary drain port.
A
B
A: 3-15/16 in (100 mm) (Approx.)
B: 1-15/16 to 3-15/16 in (50 to 100 mm)
Downward gradient 1/100
Base or return plenum
(Locally purchased)
Indoor unit
- (06 - 143) -
SYSTEM
DESIGN
SYSTEM
DESIGN