Schwank builderSchwank S100U - Manual (Page 51)

51
S100-F / ITB-F I&O Manual
IM101230
RD: SEP 2014
RL: 11A
NG or LP S100 / ITB 130-15U 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 130-20U 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 155-20U * 2' (0.6 m)
FIELD INSTALLED AT END 3RD TUBE
+ 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 155-30U not required -
NG or LP S100 / ITB 175-30U 10’ (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 200-30U 6’ (2 m)**
VENT END - Remove Short Piece from Tube
GAS
TYPE
MODEL
TURBULATOR
LENGTH
TURBULATOR LOCATION
IN TUBE SYSTEM
NG or LP S100 / ITB 60-10U 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 80-10U 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 80-15U 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 110-15U 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP S100 / ITB 110-20U 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NOTE: Improper location of a turbulator can cause malfunction of the heater,
property damage, and will void the heater warranty.
Tube Kits are supplied with 4 ft & 10 ft turbulator(s) factory installed into the
tube(s). Tubes with turbulators are clearly labeled for easy identification. The
155-20’U model requires a 2 ft turbulator be installed in the field (see * below),
and the 200-30’U model requires removal of a short turbulator piece in the field (see ** below).
25B. TURBULATOR LENGTH & LOCATION IN SYSTEM: S100U / ITBU - ’U’- Tube
* 155 Models (150,000 Btuh): 2 ft turbulator is supplied in the Burner Kit and is field installed:
 20 ft ‘U’ heater: Insert in end of third tube in system (1st tube after turn box), prior to the
10 ft turbulator that is factory installed in the last tube (total 12 ft turbulator)
 30 ft U heater: Discard 2 ft turbulator - not required.
** 200 x 30 ft ‘U’: Remove 4 ft piece of turbulator from upstream end of last tube