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Typical System Applications
D-4990 Low Energy Operator with Electric Strikes
Operation – PS 115VAC
• Doors are to be closed and latched (Example: Fire Doors)
• Key switch shunts exterior actuator
(Example: After hours traffic control)
• When not shunted, actuators will signal electric strike power
supply and activate auto operators
• From secure side, egress by manually pushing exit devices or
using inside actuator to activate auto operators
Material – Key
• 2 Precision Vertical Rod Exit Devices Switch
• Electric Strike & Precision PS490 Power Supply (PS)
• Key Switch
• 2 Precision Actuators
• 2 Precision Low Energy Operators
Electric Strikes
D-4990 Low Energy Operator with Latch Retraction
Operation –
• Doors are to be closed and latched at all times
• When activated, latch bolts are retracted and door(s)
will automatically open 115VAC
• Non-rated devices can be dogged for push/pull operation
PS
Material –
• 2 Precision Low Energy Operators 115VAC
• 1 Precision Power Supply
• 2 Stanley Electric Hinges
• 2 Precision Exit Devices with Electric Latch Retraction
• 2 Precision Actuators
• 1 CL2388 Precision Dual Vestibule Push Plate
Latch Retraction
Low Energy Operator D-4990 7
