Flue Venting - Schwank STR Series Installation & Owner's Manual

FIGURE 14 REFLECTOR ARRANGEMENTS
FIGURE 15 HANGER ARRANGEMENTS
ADDITIONAL
TUBE(S)
3
4

9. FLUE VENTING

The STR series are approved for direct vent applications.
NOTE:
The system must not be operated in a negative air condition, unless combustion
air is brought in from outside directly to the burner. If a severe negative pressure is ex-
perienced or anticipated, order heater requesting custom Air Switch c/w Air Hose from
Schwank.
* Ensure you specify the correct heater model number when ordering.
1
FIRST
TUBE
Page 11
1 Two Wire Hangers per
Each Middle Section
2 Use End Plate Hangers at
Burner & Flue Ends (&
each side of any elbow)
3 End Plate Hanger Flange
UNDER Focus Shield
2
Reflector
4 End Plate Hanger Flange
OVER Focus Shield
Reflector
5
5 Butt Sight Glass Ring to
End Plate Hanger
SP-MSTR-AC-11A
STR Manual
RD: NOV, 2003
RL: 11
KH