Chamberlain T Installation Manual page 14

MAXIMUM DOOR AREA (SQ. FT.)
MODELS J, H, AND HJ
24 ga. 22 ga.
Steel
Steel
Alum.
Alum.
Grilles Doors
24 ga.
--- 22 ga.
Steel
Fiberglass Alum.
Doors
Doors
---
---
1/3
310
285
1/2
400 350
560
3/4 500
640 625
1
NOTE: On steel insulated doors, a 24-gauge back panel is
assumed. If a heavier back panel is supplied, use the next higher
HP rating. Recommended Duty Cycles: Up to 25 per hour, up to
80-90 per day.
Operator Specifi cations - Hoist and Jackshaft
16 ga.
20 ga.
--- Steel
18 ga.
Steel
--- ---
Steel
Grilles
20 ga. 16 ga.
Steel Steel
---
Wood ---
---
Doors
24 ga. 20 ga.
Steel Steel
---
Insul. Insul.
260 175
210
320 250
280
450
325
380
560 400
475
MODEL GH
24 ga.
---
Steel
---
Alum.
Grilles
---
---
---
Fiberglass
Doors
16 ga.
Steel
---
Insul.
125
1/2 325
200
3/4
480
250
1 650
310
1-1/2
---
---
2
---
3
5
NOTE: On steel insulated doors, a 24-gauge back panel is
assumed. If a heavier back panel is supplied, use the next higher
HP rating. Recommended Duty Cycles: 25 per hour, in excess of
90 per day.
14
22 ga. 20 ga.
Steel --- 18 ga.
Steel
Alum. --- Steel
Doors Grilles
24 ga. 20 ga.
22 ga. Steel ---
Steel
Alum. Wood ---
Doors Doors
24 ga.
--- Steel ---
Insul.
300 275 250
430 390 340
560 500 430
--- 680 540
--- --- 640
--- --- 875
Call for specifi cations
16 ga.
Steel ---
--- ---
16 ga.
Steel ---
--- ---
20 ga. 16 ga.
Steel Steel
Insul. Insul.
225 175
275 225
325 300
425 375
560 460
840 620