User manual LIFT-MASTER 90 T

[. . . ] T WIRING TYPE MODIFICATION Models: T, GT, J, H, GH, SD, and GSD APPLICATION REQUIREMENTS: This wiring modification is available to models T, GT, J, H, GH, SD and GSD standard door operator with 24VAC line voltage. FUNCTIONS: Momentary contact to open, close and stop, with open override and Timer-to-Close. [. . . ] BLUE 10", . 250 FORK X STRIP "T" WIRING DIAGRAM 1 PHASE "T" WIRING DIAGRAM 3 PHASE QUANTITY 1 1 2 1 4 1 2 1 1 1 4 2 2 2 4 2 1 1 1 1 * = 1 Phase Operators Only ** = 3 Phase Operators Only COMPONENT MOUNTING Use (4) #6-32 x 3/8" long self tapping pan head screws and (4) #6-32 tinnerman nuts supplied to secure in place. Be sure when mounting relays to mount them coil side out. Install the new four position terminal block on the the back wall of the electrical box above the 10 position terminal block, use the holes that are 1" from the lid of the box. Use (2) #8-32 x 1/2" self tapping hex head screws supplied to secure in place. Label it 11, 12, 13 with the new label supplied. Install the new timer to the side wall of the electrical box, this is the side opposite the relays. Use (2) #6-32 x 1" long pan head screws, (2) standoffs and (2) #6-32 locknuts to secure in place. Install the new auxiliary contact block on the closed side of the contactor, this is the half nearest the limit switches and has purple wires on the coils. TO AVOID SERIOUS PERSONAL INJURY OR DEATH FROM ELECTROCUTION, DISCONNECT ELECTRIC POWER TO OPERATOR BEFORE INSTALLING "T" WIRING MODIFICATION. 1. For additional help during any of the following steps refer to the electrical box layout on the bottom of the page. Remove the (IR) Relay from the wall of the electrical box (this is the relay closest to the terminal block) and reattach on the floor of the electrical box next to the (R1) Relay. Install the two new relays in the electrical box. Mount one of the relays in the holes where the relay from step two was just removed and the other relay in the existing holes right next to it. TYPICAL ELECTRICAL BOX LAYOUT TRANSFORMER NEW AUXILIARY CONTACT BLOCK (IR) RELAY CONTACTOR R1 RELAY NEW TIMER NEW R2 RELAY NEW R3 RELAY 10 POLE TERMINAL BLOCK NEW 3 POLE TERMINAL BLOCK 1 WIRING INSTRUCTIONS 1. For additional help during any of the following steps refer to the wiring diagram on the bottom of the page. Connect the blue wire running from the (NO) on the R2 relay to terminal #3 on the ten position terminal block. [. . . ] Connect a new brown wire from terminal #12 on the new terminal block to terminal #13 on the new terminal block. Connect a new blue wire from #62 on the auxiliary contact block to the existing wire nut. WIRING DIAGRAM TERMINAL 3 TERMINAL 1 BL OR YE TERMINAL 11 (NEW) R2 RELAY NC NO C COIL BL BL YE EXISTING WIRE NUT R3 RELAY NC NO C COIL AUXILIARY CONTACT BLOCK YE PU 61 53 62 54 EXISTING WIRES BL BR PU TERMINAL 12 (NEW) TERMINAL 13 (NEW) TIMER TO CLOSE PU TERMINAL 2 2 CONTROL DEVICE CONNECTIONS WILL SET TIMER 11 3 WILL NOT SET TIMER 1 3 7 3 TIMER DEFEAT 12 13 01-12414A © 1998, The Chamberlain Group, Inc. [. . . ]