Nortec GS Series - Manual (Page 19)

GS Series Installation | 16
Use BH Vent for exhaust
and direct vent air intake.
- Maintain diameter of
exhaust outlet and intake.
- seal joints to meet
CSA 2.19.7,
- any combination of
vertical up / horizontal run,
- max 70 ft (20 m),
- slope 1/4 in./ft (2 cm/m).
Drain
(Note: Condensate
may require treatment,
consult local codes)
Support exhaust and
air intake lines.
Condensate tee
(by others)
within 2 ft (60 cm)
of unit.
2 ft (30 cm)
min.
Direct Vent Installation
Exhaust outlet
Install male to male
adapter (by others).
Terminate exhaust and
intake horizontally only
in same face of building.
-
- orient vertically,
- 6 in from wall.
Install Nortec or by
other certified terminals
Direct Vent may only be
installed with horizontal
BH Venting and with
horizontal exhaust and air
intake termination as shown.
Air Intake
Connect to intake
with hose cuff and
hose clamps
(by others).
Min 4 ft (1.2 m),
max 6 ft (1.8 m)
Figure 11: Direct Vent Installation
Figure 12: Vertical Co-Venting Using B Type