LiftMaster HPH1MC Specifications EX3150 - Page 3

galvanized steel. b. 3 inches (75 mm) track designed for 3" diameter rollers. Vertical and horizontal tracks minimum 0.096 inch (2.43 mm) galvanized steel. c. Provide standard lift track as indicated. d. Provide high lift track as indicated. e. Provide full vertical Lift as indicated. 19. Spring Counterbalance: a. Specialized torsion spring counterbalance mechanism sized to weight of the door. Spring to be helically wound, oil tempered, treated with secondary process to increase cycle life and reliability. Spring to be mounted on a solid steel shaft with center coupling b. Cable drum of die cast aluminum with high strength galvanized aircraft cable with minimum 7 to 1 safety factor. Cable to be at minimum 7-19 stranded 3/16 diameter with thimbled loop. c. Cable Safety Device: Snubbers to help maintain cable tension. d. Spring cycles: i. 50,000 cycles standard (depending on door configuration). ii. Maximum cycles on a single shaft 2.3 DOOR OPERATOR 1. Manufacturer: Liftmaster 2. Motor design: 1.25 HP a. Single Phase, 120/230V. b. 3-phase, 230V c. 3-phase, 460/575V available with supplementary step-down transformer provided by manufacturer. 3. Operation: Variable speed direct drive. 4. Operator Speed: Travels an average of 24" in the up direction and between 12"-18" in the down direction, depending on door type and drum size. Includes soft start/stop ramps. 5. Motor: Listed by Underwriters Laboratories. Meet UL 325. 6. Wall controller: Provide separation of low and high voltage wiring and include functionality of 3- button station; set door profile and programming limits, and performs diagnostics. 7. Floor-level programming: Set limits, door profile, operating modes, and select photo entrapment devices via wall controller from standing height. 8. Display: Absolute cycle count, service cycle count, diagnostic messages, and door and operator status via 2 line, text LED display. 9. Cycle counter: Resettable via wall controller or myQ technology. 10. Limit setting: Electronic pushbutton via wall controller. 11. Manual Hoist: Manual hoist with integral manual operation protection circuit. 12. Cable Tension Monitor: Mitigates door operation when cable slackening occurs. 13. Internet connectivity: a. Built-in Wi-Fi with myQ technology. b. Over-the-air updates. 14. Service cycle count, lifetime cycle count, and remote diagnostics via wall controller or myQ technology. Specifier to Select the following 15. Control Stations: a. One Button Type i. [NEMA 1], [NEMA 4], [NEMA 4X], [NEMA 7/9 enclosure] b. Three Button Type i. [NEMA 1], [NEMA 4], [NEMA 4X], [NEMA 7/9 enclosure] c. Three position key operated i. [NEMA 1], [NEMA 4], [NEMA 4X], [NEMA 7/9 enclosure] 16. Remote Controls: a. One button DIP. b. Three button DIP. c. Two button learning Security+ 2.0. d. Four button learning Security+ 2. e. Single button rolling code Security+ 2.0. f. Two button rolling code Security+ 2.0. g. Three button rolling code Security+ 2.0. 08360-3