Finishes: Hands and dial markings to have a black finish; bezel to have a matte black polyurethane finish.
Hands: As selected by architect.
Markings: As selected by architect.
Movement: Style MI Clock Movement Design. 24VAC drive motor and electronics. 8 second maximum run time. Alternating hall effect switched closed loop minute impulse operation. Composite lubrication free bearing. Single source: Clock and movement to be manufactured by the same company.
Bezel: Spun aluminum bezel
Illumination: Edge-lit with white LED illumination concealed beneath the bezel.
Listing: Provide UL 48 listing on clock assembly
Style: Style 61AXX
“XX” above is the diameter of the clock, available sizes are 18”, 24”, 30”, 36”, 42” and 54”.
For fastening the clock to a masonry wall add the following line.
Mounting: By means of aluminum mounting ring, Style MR-61
D. Provide Type 99B-MI automatic reset control;
– IP65 Enclosure – Indoor & Outdoor Use
– Automatically resets clock after power failures.
– Automatically resets clocks for daylight savings time (if required)
– Precision Quartz Time base 4 minutes per year maximum drift.
– Optional GPS – no drift.
– Built in 100 year daylight savings time calendar.
Provide CTRL-ELEC-PHOTO-T15 photoelectric cell to control the illumination.
PART 3 EXECUTION
3.01 Installation
A. Inspect substrates, supporting items and related conditions, to ensure that they are ready to receive each item, prior to commencement of installation.
B. Install each item at locations indicated on drawings, as detailed, and in accordance with manufacturers’ instructions.