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Fig. 6 — Base Unit Dimensions
UNIT
STD UNIT
WEIGHT
DURABLADE
ECONOMIZER WEIGHT
ECONOMI$ER
WEIGHT
(A)
CORNER WEIGHT
(B)
CORNER WEIGHT
(C)
CORNER WEIGHT
(D)
CORNER WEIGHT
“A”
PANEL
LENGTH
Lbs Kg Lbs Kg Lbs Kg Lbs Kg Lbs Kg Lbs Kg Lbs Kg
48TFN,TFM,TFF,TFE004
460 209
34 15.4 47 21.3
140 63.5 105 47.6 159 72.1 56 25.4 1
′
-10
3
/
8
″
[568.0]
48TFN,TFM,TFL,TFF,TFE,TFD005
470 213 142 64.4 106 48.1 162 73.5 60 27.2 1
′
-10
3
/
8
″
[568.0]
48TFN,TFM,TFL,TFF,TFE,TFD006
490 222 150 68.0 115 52.2 160 72.6 65 29.5 1
′
-0
3
/
8
″
[315.0]
48TFF,TFE,TFD007
565 256 165 74.8 136 61.7 200 90.7 64 29.0 1
′
-0
3
/
8
″
[315.0]
BOTTOM POWER CHART,
THESE HOLES REQ’D FOR USE
WITH ACCESSORY PACKAGES —
CRBTMPWR001A00, 3A00 (
1
/
2
″,
3
/
4
″)
THREADED
CONDUIT
SIZE
WIRE
USE
REQ’D HOLE
SIZES
(Max.)
1
/
2
″
24 V
7
/
8
″
[22.2]
3
/
4
″
Power 1
1
/
8
″
[28.4]
1
/
2
″
FPT
Gas 1
1
/
4
″
[31.8]
CONNECTION SIZES
A
1
3
/
8
″
Dia. [35] Field Power Supply Hole
B
2
″
Dia. [51] Power Supply Knockout
C
2
1
/
2
″
Dia. [64] Power Supply Knockout
D
7
/
8
″
Dia. [22] Field Control Wiring Hole
E
3
/
4
″
-14 NPT Condensate Drain
F
1
/
2
″
-14 NPT Gas Connection
NOTES:
1. Dimensions in [ ] are in millimeters.
2. Center of Gravity.
3. Direction of Airflow.
4. On vertical discharge units, ductwork to be attached to accessory
roof curb only. For horizontal discharge units, field-supplied flanges
should be attached to horizontal discharge openings, and all duct-
work should be attached to the flanges.
5. Minimum clearance (local codes or jurisdiction may prevail):
a. Between unit, flue side and combustible surfaces, 36 inches.
b. Bottom of unit to combustible surfaces (when not using curb)
1 inch. Bottom of base rail to combustible surfaces (when not
using curb) 0 inches.
c. Condenser coil for proper airflow, 36 in. one side, 12 in. the other.
The side getting the greater clearance is optional.
d. Overhead, 60 in. to assure proper condenser fan operation.
e. Between units, control box side, 42 in. per NEC (National Electri-
cal Code).
f. Between unit and ungrounded surfaces, control box side, 36 in.
per NEC.
g. Between unit and block or concrete walls and other grounded sur-
faces, control box side, 42 in. per NEC.
h. Horizontal supply and return end, 0 inches.
6. With the exception of the clearance for the condenser coil and com-
bustion side as stated in Note 5a, b, and c, a removable fence or bar-
ricade requires no clearance.
7. Units may be installed on combustible floors made from wood or
Class A, B, or C roof covering material if set on base rail.
8. The vertical center of gravity is 1
′
-6
″
[457] up from the bottom of the
base rail.