BASE UNIT DIMENSIONS
| STANDARD | DURABLADE |
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| CORNER | CORNER | CORNER | CORNER | BOTTOM POWER CHART, THESE HOLES REQUIRED FOR | ||||||||||||
| ECONOMI$ER | USE WITH ACCESSORY PACKAGES — CRBTMPWR001A00, | |||||||||||||||||||
UNIT | UNIT | ECONOMIZER | WEIGHT | WEIGHT | WEIGHT | WEIGHT | |||||||||||||||
WEIGHT | 3A00 (1/2″, 3/4″) OR CRBTMPWR002A00, 4A00 (1/2″, 11/4″) | ||||||||||||||||||||
581B | WEIGHT | WEIGHT |
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| Lb | Kg | Lb | Kg | Lb | Kg | Lb | Kg | Lb | Kg | Lb | Kg | Lb | Kg | THREADED | WIRE | REQURED | ||||
036 | 530 | 240 | 34 | 15.4 | 47 | 21.3 | 127 | 57.6 | 122 | 55.3 | 138 | 62.6 | 143 | 64.9 | CONDUIT SIZE | USE | HOLE SIZES (MAX.) | ||||
048 | 540 | 245 | 34 | 15.4 | 47 | 21.3 | 129 | 58.5 | 124 | 56.2 | 141 | 64.0 | 146 | 66.2 | 1/2″ |
| 24 V | 7/8″ [22.2] | |||
060 | 560 | 254 | 34 | 15.4 | 47 | 21.3 | 134 | 60.8 | 129 | 58.5 | 146 | 66.2 | 151 | 68.5 | 3/4″ |
| Power* | 11/8″ [28.4] | |||
072 | 615 | 279 | 34 | 15.4 | 47 | 21.3 | 147 | 66.7 | 142 | 64.4 | 160 | 72.6 | 166 | 75.3 | 11/4″ |
| Power* | 13/4″ [44.4] | |||
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| (003) 1/2″ FPT | Gas | 11/4″ [31.8] | ||||
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| CONNECTION SIZES |
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| (004) 3/4″ FPT | Gas | 15/8″ [41.3] | ||||||
A | 13/8″ Dia [35] Field Power Supply Hole |
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| 3 | ″ | 1 | ″ | for power, depending on wire size. | ||||||
B | 2″ Dia [51] Power Supply Knockout |
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| *Select either | /4 | or 1 /4 |
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C | 13/4″ Dia [44] Charging Port Hole |
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| NOTES: |
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D | 7/8″ Dia [22] Field Control Wiring Hole |
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| 1. | Dimensions in [ ] are in millimeters. |
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E |
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| 2. |
| Center of gravity. |
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F |
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G | 21/2″ Dia [64] Power Supply Knockout |
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| Direction of airflow. |
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| 4. On vertical discharge units, ductwork to be attached to accessory roof curb only. For horizontal | ||||||||||
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| discharge units, | |||||||||
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| all ductwork should be attached to the flanges. |
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| 5. Minimum clearance (local codes or jurisdiction may prevail): |
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| a. Between unit, flue side and combustible surfaces, 48 inches. |
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| b. Bottom of unit to combustible surfaces (when not using curb), 1 inch. | |||||||||
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| Bottom of base rail to combustible surfaces (when not using curb) 0 inches. | |||||||||
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| c. Condenser coil, for proper airflow, 36 in. one side, 12 in. the other. The side getting the | |||||||||
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| greater clearance is optional. |
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| d. Overhead, 60 in. to assure proper condenser fan operation. |
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| e. Between units, control box side, 42 in. per NEC (National Electrical Code). | |||||||||
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| f. Between unit and ungrounded surfaces, control box side, 36 in. per NEC. | |||||||||
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| g. Between unit and block or concrete walls and other grounded surfaces, control box side, | |||||||||
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| 42 in. per NEC. |
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| h. Horizontal supply and return end, 0 inches. |
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| 6. With the exception of the clearance for the condenser coil and combustion side as stated in | ||||||||||
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| notes 5a, b and c, a removable fence or barricade requires no clearance. | |||||||||
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| 7. Units may be installed on combustible floors made from wood or Class A, B, or C roof covering | ||||||||||
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| material if set on base rail. |
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| 8. The vertical center of gravity is |
581B036-072
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