Schwank STW-JZ1 User Manual
Page 49
49
STW-JZ / IW I&O Manual
IM101229
RL: 12A- BA
RD: DEC 2010
MODEL
TURBULATOR
LENGTH
(IF REQUIRED)
STW-JZ / IW 200-70/60/50
10’ (3 m)
STW-JZ / IW 155-50
not required
STW-JZ / IW 155-40
10' (3 m)
STW-JZ / IW 130-50
not required
STW-JZ / IW 130-40
10' (3 m)
STW-JZ / IW 130-30
14' (4.3 m)
STW-JZ / IW 110-50
not required
STW-JZ/ IW 175-70/60/50
10’ (3 m)
STW-JZ / IW 155-60
not required
MODEL
TURBULATOR
LENGTH
(IF REQUIRED)
STW-JZ / IW 110-40
10' (3 m)
STW-JZ / IW 110-30
14' (4.3 m)
STW-JZ / IW 80-40
10’ (3 m)
STW-JZ / IW 80-30
14' (4.3 m)
STW-JZ / IW 80-20
14' (4.3 m)
STW-JZ / IW 60-30
14' (4.3 m)
STW-JZ / IW 60-20
14' (4.3 m)
STW-JZ / IW 45-20
14' (4.3 m)
STW-JZ / IW 45-10
5’ (1.5 m)
NOTE: Improper location of a turbulator can cause malfunction of the heater,
property damage, and will void the heater warranty.
Tube Heaters are supplied with all required turbulator(s) factory installed into
the tube(s). Tubes with turbulators are installed at the vent end of the system
configuration and are clearly labeled for easy identification.
28
.
TURBULATORS:
When this appliance is installed above the altitude stipulated below, the input must be de-rated
by 4% for each 1000 ft . If your local utility supplies gas with a de-rated heat content, no
orifice change is required in the heater . Check with your local utility regarding de-rating.
USA: The factory installed orifice for this appliance is approved for altitudes zero to
2000 feet above sea level. Above 2000 feet, refer to table below.
Canada: The factory installed orifice for this appliance is approved for altitudes zero to
4500 feet above sea level. When installed above 4500 feet, refer to the table below.
~ ORIFICE TABLE ON NEXT PAGE ~
29. HIGH ALTITUDE INSTALLATION