Norton Series 7200 Electomechanical - Page 4

SPECIFICATIONS / FINISHES / PACKING

Suggested Specification

Closer for______________doors shall be electromechanical (with integral smoke detector having a dual ionization chamber) and completely enclosed in a metal cover. (Units shall be surface mounted to the frame face [on the pull (hinge side) on the push (opposite hinge side)] of the door [and shall project no more than 2-9/16" (65mm) from the surface of the frame]. (Closer shall be installed in the header of the frame, and the slide track mortised into the door's top rail). Closer unit shall be hydraulic, full rack and pinion type with a cast aluminum alloy shell. Hydraulic fluid shall be non-gumming and non-freezing. Closer unit shall have two non-critical valves to independently regulate closing and latch speed. It shall also have an adjustable backcheck cushioning valve. All valves shall be adjustable with a hex-key. Closer unit shall have spring power adjustment to permit a 50% increase in closing power over the minimum closing force for any size.

Electromechanical Closer shall have (Infinite) (Selective) Hold-Open (Free Swing Operation) and shall be able to attain a maximum opening of 180° (with Hold-Open to 175°). Unit to be fail safe and must close the door during any electrical power interruption to the unit. (Closer-Holder to be Executive Door Holder/Release with release actuated by battery operated hand-held controller).

Unit(s) to operate on (_____________VAC, 60 Hz) (_______________VDC) and will accept (surface) (concealed) wiring. Amperage draw shall not exceed (.086 Amps for 24 VAC/DC) (.051 Amps for 120 VAC) units. Supplier to coordinate electrical requirements with electrical and alarm system engineers. Wiring (and conduit) by others.

Electromechanical Units to be Norton Series 7200 (Closer-Holder) (Free Swing Releasing Device), (Executive Door Holder/Release).

Available Finishes

Sprayed Finishes -- All Norton Series 7200 Electromechanical Closer-Holders are available in the following sprayed finishes. Order sprayed finishes by the Norton Symbol.

*Available at extra cost. Color is beige. Closer-Holders can be ordered prime coated only, i.e. (SRI), or prime coated with finish coat, i.e. (SRI) x (DB).

Packing

All Norton Series 7200 Closer-Holders are packed one to a box with the appropriate arm or arm and slide track, a hex-key for adjusting control valves, installation instructions and machine screws for mounting. Units with slide tracks also include sex nuts.

Special Fasteners

Thru-bolts and grommet nuts (TBGN) or sex nuts (SN) are available to order.