Downflow Venting; Dimensions; Cabinet And Duct Dimensions - Johnson Controls TM9T Series Installation Manual

1083286-UIM-L-1219
DOWNFLOW APPLICATION
To apply the furnace in a downflow position, it will be necessary to
rotate the vent blower 90° left or right so that the vent pipe passes
through the side of the furnace casing. See Figure 7.
FIGURE 8: Dimensions
Table 2: Cabinet and Duct Dimensions
Nominal
BTUH (kW)
3
Input
CFM (m
60 (17.6) 1200 (34.0)
80 (23.4) 1200 (34.0)
80 (23.4) 1600 (45.3)
100 (29.3) 1600 (45.3)
100 (29.3) 2000 (56.6)
120 (35.1) 2000 (56.6)
8
Cabinet
Size
/min)
A (in)
B 17 1/2
B 17 1/2
C 21
C 21
C 21
D 24 1/2
LEFT SIDE VENT
FIGURE 7: Downflow Venting
Cabinet Dimensions
A (cm) B (in) B (cm)
44.4 16 3/8 41.6
44.4 16 3/8 41.6
53.3 19 7/8 50.5
53.3 19 7/8 50.5
53.3 19 7/8 50.5
62.2 23 3/8 59.4
Rotate vent
blower 90°
either way
RIGHT SIDE VENT
Approximate
Operating Weights
C (in) C (cm) Lbs (kg)
13 1/4 33.7 122
14 3/4 37.5 126
16 1/2 41.9 136
18 1/4 46.4 142
18 1/4 46.4 145
21 3/4 55.2 156
Johnson Controls Ducted Systems