Detex V50 EE User Manual

Page 15

104832 Page 15

FIRE RATED TOP ROD ONLY (TRO) DOORS

3/4" Dia. Min.

1-1/4" Deep min.

Retaining Clip

Popper

Cap Plug

12"

9/16" Dia. Min.

1-5/8" Deep min.

FIG. 16

A door locking popper is required when a fire door utilizes a top latching mechanism only (TRO). The popper is designed to

project a spring loaded bolt into the adjacent frame or door in the event of fire. Detex recommends

installing the popper in the edge of the door 12" above the threshold or finished floor.

Holes for the popper

and plug must be aligned with each other.

NOTE: Door/Frame reinforcement is required where popper and cap plug are to be installed.

BOTTOM LATCH Testing and Adjustment

Testing

1. Close the door; bolt should drop into the strike as the door moves into the fully closed position.

2. Press the pushpad and open the door. The bottom latch bolt should retract out of the strike

and clear the strike by 1/16" to 1/8". Vertical travel of the bolt should be 3/4".

3. Release the pushpad; bolt should remain retracted until the door is closed.

Adjustment

If bottom bolt drags the floor or hits edge of strike:

Loosen bolt retainer in the carriage assembly and pull bolt from carriage. Screw bolt onto bottom rod one or

two turns and return it to the carriage. Test door to assure clearance and secure bolt in carriage by tightening bolt

retaining plate.

Adjust Bolt for approximately 1/16"

clearance between end of bolt and

surface of strike when retracted.

Open and close door to be sure bolt

does not hit high areas of floor.

Re-adjust if necessary. Confirm that

the bolt drops freely and does not

bind when latch is released

If additional length is required,

remove clip and link pin, move bolt

down and reinsert pin in

next lower hole. Insert clip on pin.

FIG. 15