G - Direct Drive
Model | Curb | Damper | Roof | *Approx. | |
Cap | Opening | Weight | |||
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G 060, 065, 070, 075 | 17 (432) | 8 (203) | 10½ (267) | 18 (8) | |
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G 080, 085, 090, 095 | 17 (432) | 10 (254) | 12½ (267) | 26 (12) | |
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G 97, 98, 99 | 19 (483) | 12 (305) | 14½ (368) | 57 (26) | |
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G 103, 103 HP | 19 (483) | 12 (305) | 14½ (368) | 62 (28) | |
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G 123 | 19 (483) | 12 (305) | 14½ (368) | 65 (30) | |
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G 133 | 19 (483) | 12 (305) | 14½ (368) | 66 (30) | |
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G 143, 143 HP | 22 (559) | 16 (406) | 18½ (470) | 76 (35) | |
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G 163, 163 HP | 22 (559) | 16 (406) | 18½ (470) | 80 (36) | |
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G 183, 183 HP | 30 (762) | 18 (457) | 20½ (521) | 119 (54) | |
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G 203, 203 HP | 30 (762) | 18 (457) | 20½ (521) | 130 (59) | |
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G 223/243, 223/243 HP | 34 (864) | 24 (610) | 26½ (673) | 150 (68) | |
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GB - Belt Drive
Model | Curb | Damper | Roof | *Approx. | |
Cap | Opening | Weight | |||
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GB 071, 081, 091 | 19 (483) | 12 (305) | 14½ (368) | 58 (26) | |
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GB 101, 101HP | 19 (483) | 12 (305) | 14½ (368) | 63 (29) | |
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GB 121 | 19 (483) | 12 (305) | 14½ (368) | 66 (30) | |
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GB 131 | 19 (483) | 12 (305) | 14½ (368) | 67 (30) | |
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GB 141, 141HP | 22 (559) | 16 (406) | 18½ (470) | 83 (38) | |
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GB 161, 161HP | 22 (559) | 16 (406) | 18½ (470) | 89 (40) | |
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GB 180, 180HP | 30 (762) | 18 (457) | 20½ (521) | 125 (57) | |
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GB 200, 200HP | 30 (762) | 18 (457) | 20½ (521) | 138 (63) | |
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GB 220, 220HP, | 34 (864) | 24 (610) | 26½ (673) | 158 (72) | |
240, 240HP | |||||
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GB 260 | 40 (1016) | 30 (762) | 32½ (826) | 305 (138) | |
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GB 300, 300HP | 40 (1016) | 30 (762) | 32½ (826) | 320 (145) | |
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GB 330 | 46 (1168) | 36 (914) | 38½ (978) | 385 (175) | |
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GB 360, 360HP | 46 (1168) | 36 (914) | 38½ (978) | 403 (183) | |
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GB 420 | 52 (1321) | 42 (1067) | 44½ (1130) | 495 (225) | |
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GB 480 | 52 (1321) | 48 (1219) | 50½ (1283) | 623 (283) | |
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GB 500 | 64 (1626) | 54 (1372) | 56½ (1435) | 687 (312) | |
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GB 540 | 64 (1626) | 54 (1372) | 56½ (1435) | 748 (339) | |
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•All dimensions are in inches (millimeters). *Approximate weight shown in pounds (kilograms) is the largest cataloged Open Drip Proof motor.
•The roof curb should be 1½ in. (38 mm) less than the curb cap to allow for roofing and flashing.
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| G Direct Drive |
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Figure 5 - Typical Roof Mounting Installation | |||
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| Disconnect |
Screws |
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| ¾ in. |
| 8 or 12 in. |
Wiring by Others | (19) |
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| (203 or 305) | ||
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| Damper |
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| 1¼ in. | Recommended Duct | 1¼ in. |
| and Damper Size | ||
| (32) | (32) | |
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*Dimensions shown | Recommended Roof |
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in inches (mm) | Opening |
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| GB Belt Drive |
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Figure 6 - Typical Roof Mounting Installation | |||
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| Disconnect |
| ¾ in. |
| 8 or 12 in. |
Wiring by Others | (19) |
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| (203 or 305) | ||
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| Damper |
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| 1¼ in. | Recommended Duct | 1¼ in. |
| and Damper Size | ||
| (32) | (32) | |
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Dimensions shown | Recommended Roof |
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in inches (mm) | Opening |
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®
Model G/GB Centrifugal Roof Exhaust Fans 5
