Base Unit Dimensions - Carrier 48TJD Installation, Start-Up And Service Instructions Manual

Single-package rooftop heating/cooling units
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STANDARD
DURABLADE
UNIT
ECONOMIZER
UNIT
WEIGHT
WEIGHT
48TJ
Lb
Kg
Lb
Kg
E/F004
460
209
34
15.4
D/E/F005
470
213
34
15.4
D/E/F006
490
222
34
15.4
D/E/F007
565
256
34
15.4
CONNECTION SIZES
" " " " Dia [27] Field Power Supply Hole
1
A
1
/
16
" " " " -14 NPT Condensate Drain
3
/
B
4
" " " " -14 NPT Gas Connection
1
/
C
2
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 dis-
charge units, field-supplied flanges should be attached to horizontal discharge openings, and all
ductwork 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.
f.
Between unit and ungrounded surfaces, control box side, 36 in. per NEC.
g. Between unit and block or concrete walls and other grounded surfaces, 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 combustion side as stated in notes
5a, b and c, a removable fence or barricade 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.
CORNER
CORNER
ECONOMI$ER
WEIGHT
WEIGHT
WEIGHT
(A)
(B)
Lb
Kg
Lb
Kg
Lb
Kg
47
21.3
140
63.5
105
47.6
47
21.3
142
64.4
106
48.1
47
21.3
150
68.0
115
52.2
47
21.3
165
74.8
136
61.7
Fig. 6 — Base Unit Dimensions
BOTTOM POWER CHART, THESE HOLES REQUIRED FOR
CORNER
CORNER
USE WITH ACCESSORY PACKAGES — CRBTMPWR001A00,
WEIGHT
WEIGHT
(C)
(D)
Lb
Kg
Lb
Kg
159
72.1
56
25.4
CONDUIT SIZE
162
73.5
60
27.2
160
72.6
65
29.5
200
90.7
64
29.0
8
(POWER AND CONTROL) AND CRBTMPWR003A00
(POWER, CONTROL, AND GAS)
THREADED
WIRE
REQURED
USE
HOLE SIZES (MAX.)
" " " "
" " " " [22.2]
1
/
24 V
7
/
2
8
" " " "
" " " " [28.4]
3
/
Power
1
1
/
4
8
" " " " FPT
" " " " [31.8]
1
1
/
Gas
1
/
2
4

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