SECTION 7: H
EATER
I
NSTALLATION
23
Step 7.4.1 Coupling and Tube Assembly (Continued)
Step 7.4.2 Coupling and Tube Assembly (Continued)
Incorrect slide bar
position
Correct slide bar
dimensions
± 2" (5 cm)
Drive slide bar until tight.
End of slide bar should be
within tolerance listed below.
• Repeat Step 7.4 A - D until all tubes are assembled.
See Page 23, Section 7.4.2
.
Tighten slide bar as shown below
10'
T
y
p
. ± 1'
(254
c
m
T
y
p
± 25
c
m)
7' 6" ± 1'
(229
c
m ± 25
c
m)
Model
Minimum Tube Length
Per Side
TF-120
20’ (6 m)
TF-160
20’ (6 m)
TF-200
30’ (9 m)
TF-250
40’ (12 m)
TF-300
50’ (15 m)
TF-350
50’ (15 m)
TF-380
60’ (18 m)
See recommended venting lengths
on Page 37, Section 9
, when using
maximum tube lengths.