Systems Incorporating - Schwank SEM 200-70 Installation And Owner's Manual

7. SYSTEMS INCORPORATING 90

The SEM(U) / IT(U) Series radiant tube
heater can be installed in configurations as
illustrated in Fig:2 (below) with a maximum
0
of two 90 elbows per heater. The use of ra-
diant elbows reduces the total maximum vent
allowable. (See SECTION: 11 PAGE 13)
Flue Venting.
IMPORTANT: * (S
On Models SEM(U) / IT(U), 175 a minimum of 30´ of straight radiant tube must be con-
nected to the burner before any elbow. On Models SEM(u)/IT(u) 155, 130, and 110 a
minimum of 20´ of straight radiant tube must be connected to the burner before any el-
bow. And on Models SEM/IT 80 and 60, a minimum of 10´ of straight radiant tube
must be connected to the burner before any elbows.
FIGURE 2 SYSTEM CONFIGURATIONS
E
D
G
G
System Configuration
1 Straight line
2 "U" tube with Turn Box
0
3 "L" tube with 90
4 Twinned tubes into common TEE flue vent
* Note: Both heaters must be connected
with a single common thermostat
Venting Options
A Flue vent through wall 4"
B Flue vent through wall or roof 6"
O
TRAIGHT
1
2
3
G
4
elbow kit
ELBOWS
0
The 90 elbows are shipped as a kit with one
clamp and two end caps to close off the re-
flector ends each side of the elbow (s). The
Reflectors must be secured with four screws
to each of the end caps. (see FIG 10 Page 11)
T M
UBE ODEL
Not applicable to SEMU/ITU model
C
B
C Flue vent through roof
D Flue vent into building, exhaust fan inter
locked with heater
E Combustion air intake from outside
through wall.
F Combustion air intake from outside
through roof
G Combustion air intake from inside
building
Page 6
O ) *
NLY
A
F
GP-MSEM-BX-03B
SEM(U) / IT(U) Manual
RD: Sept, 2005
RL: 03B
KH