Specifications

12
BASE UNIT DIMENSIONS (cont)
23.62”
[599.9]
23.62”
[599.9]
UNIT
551B
STD UNIT
WEIGHT
DURABLADE
ECONOMIZER
WEIGHT
ECONOMI$ER
WEIGHT
CORNER
WEIGHT
(A)
CORNER
WEIGHT
(B)
CORNER
WEIGHT
(C)
CORNER
WEIGHT
(D)
“H”“J”“K”
Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Ft-in. mm Ft-in. mm Ft-in. mm
090
755 342 44 20 62 28 164 74 140 64 208 94 243 110 2- 0
7
/
8
632 3-5
5
/
16
1050 2-9
11
/
16
856
102
760 345 44 20 62 28 165 75 141 64 209 94 245 111 1- 2
7
/
8
378 3-5
5
/
16
1050 2-9
11
/
16
856
120
915 415 44 20 62 28 199 90 170 77 252 114 294 134 2-10
7
/
8
885 4-1
5
/
16
1253 3-0
3
/
8
924
150
930 422 44 20 62 28 202 92 172 78 256 116 300 136 1- 2
7
/
8
378 4-1
5
/
16
1253 3-0
3
/
8
924
NOTES:
1. Dimensions in [ ] are in millimeters.
2. Center of gravity.
3. Direction of airflow.
4. Ductwork to be attached to accessory roof curb only.
5. Minimum clearance (local codes or jurisdiction may prevail):
a. Bottom to combustible surfaces (when not using curb) 0 inches, on horizontal discharge units with
electric heat 1 in. clearance to ductwork for 1 ft.
b. Condenser coil, for proper airflow, 36 in. one side, 12 in. the other. The side getting the greater
clearance is optional.
c. Overhead, 60 in. to assure proper condenser fan operation.
d. Between units, control box side, 42 in. per NEC (National Electrical Code).
e. Between unit and ungrounded surfaces, control box side, 36 in. per NEC.
f. Between unit and block or concrete walls and other grounded surfaces, control box side, 42 in. per
NEC.
g. Horizontal supply and return end, 0 inches.
6. With the exception of the clearance for the condenser coil as stated in Note 5b, 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.
8. The vertical center of gravity is 1
′
-7
1
/
2
″
[495] for 090 and 102, 2
′
-0
″
[610] for 120 and 150 up from the
bottom of the base rail.
A
1
3
/
8
″
Dia. [35] Field Power Supply Hole
B
2
1
/
2
″
Dia. [64] Power Supply Knockout
C
1
3
/
4
″
Dia. [44] Charging Port Hole
D
7
/
8
″
Dia. [22] Field Control Wiring Hole
E
3
/
4
″
— 14 NPT Condensate Drain
F
2
″
Dia. [51] Power Supply Knockout
BOTTOM POWER CHART, THESE HOLES REQ’D FOR USE
WITH ACCESSORY PACKAGES — CRBTMPWR001A00 (
1
/
2
″
,
3
/
4
″
)
OR CRBTMPWR002A00 (
1
/
2
″
, 1
1
/
4
″
)
*Select either
3
/
4
″
or 1
1
/
4
″
for power, depending on wire size.
THREADED
CONDUIT SIZE
WIRE USE
REQ’D HOLE SIZES
(Max.)
1
/
2
″
3
/
4
″
1
1
/
4
″
24 V
Power*
Power*
7
/
8
″
[22.2]
1
1
/
8
″
[28.4]
1
3
/
4
″
[44.4]
551B090-150