Schwank STW-JZ1 - Manual (Page 28)

28
STW-JZ / IW I&O Manual
IM101229
RL: 12A- BA
RD: DEC 2010
H ORIZONTAL VENT THROUGH THE SIDEWALL :
 The flue vent system must slope downwards approximately 1/4" per ft (63 mm/ 300 mm)
toward the vent terminal, starting at the termination of the radiant tube - radiant tube must
be level.
’B’ Vent
Through
Wall
18” Min.
Approved Vent Terminal
4” (10 cm) - JA-0528-XX
or
6” (15 cm) - JA-0529-XX
Or
An approved
“High-Wind”
Termination Cap
FIGURE 18 - Horizontal Vent - ALL vent pipe and adapters by others
need to be equidistant to the vent Tee, but must comply to requirements below. The two
heaters must be controlled by a single common thermostat or “ON/OFF” switch.
 A minimum 10 inch (25 cm) length of minimum 26 gauge single walled 4” (10 cm) diameter
vent pipe is to be installed on the swaged end of the last tube before any Tee or Elbow is
fitted.
 Seal all vent connections with high temperature sealant. Vent connections must be secured
with three (3) #8 sheet metal screws uniformly spaced around the circumference of the
vent pipe.
 When the vent pipe passes through a cold or unheated area where the ambient tempera-
ture is likely to produce condensation of the flue gases, the vent pipe shall be insulated
with a suitable material as approved and specified by the insulation manufacturer to with-
stand temperature up to 460°F (238°C).
 The vent system must always be adequately supported to prevent sagging.
Single wall vent
from heater
‘C’ to ‘B’
adapter
Combustible Overhang
6”
Min.
FIGURE 17 - Heater Expansion - Vent Configuration
By Others
All Vent Pipe & Adapters By Others