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*TO/TL FURNACES
WITH VARIABLE SPEED BLOWERS
Switch Settings for Heat
(0= OFF, 1 = ON)
1
2
3
4
1
0
0
0
1
0
0
1
"B'! CABINET
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
CFM
1,000
1,100
1,200
1,300
1,400
1,500
1,600
1,700
*TC/TL
- 060D - VB
input (BTU) 60,000
Temp Rise (° F)
53
48
44
41
38
35
i ii
i
i
i
"C'! CABINET
Switch
Settings
for Heat
*TC/TL
- 080D - VC
*TC/TL
- 100D - VC
(0 = OFF, 1 = ON)
input (BTU) 80,000
input (BTU) 100,000
1
2
3
4
_CFM
Temp Rise (_ F)
CFM
Temp Rise (° F)
#
0
0
0
1,000
1,000
#
0
0
1
1,115
63
1,115
#
0
1
0
1,230
57
1,230
#
0
1
1
1,345
52
1,345
65
#
1
0
0
1,460
48
1,460
60
#
1
0
1
1,575
45
1,575
56
#
1
1
0
1,690
42
1,690
52
#
1
1
1
1,805
39
1,805
49
!'D', CABINET
Switch
Settings
for Heat
(0 = OFF, 1 = ON)
1
2
3
4
#
0
0
0
#
0
0
1
#
0
1
0
#
0
1
1
#
1
0
0
#
1
0
1
#
1
1
0
CFM
1,500
1,615
1,730
1,845
1,960
2,075
2,190
2,305
Notes:
*TC/TL
- 120D - VD
input (BTU) 120,000
Temp Rise (° F)
7O
65
61
57
54
51
48
4_
1. Two openings are recommended
for airflows above 1,600 CFM if the filter(s) is (are) adjacent to the furnace.
2. Temperature rises in the table are approximate.
Actual temperature
rises may vary.
3. Temperature rises shaded in grey are for reference only. These conditions are not recommended.
# Switch not used- can be 0 or 1.
Table 9. Nominal Heating Airflows (CFM) & Temperature
Rises (°F)
35
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