Powermaster APT Operator
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 Installation Manual
Spec Sheet
Wiring Diagram |
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Model "APT" Apartment House Operator
Supply PowerMaster Model “APT” Drawbar
Operator (s) RATED 1/2 HP, 115 VOLTS, 1 PHASE,
for use on Standard Lift Sectional Doors where high
cycles and quiet operation are required. Primary
reduction shall be by heavy duty V-Belt Drive.
Secondary reduction shall be a chain and sprocket arrangement. Motor shall be 115 VAC Resilient Mount PSC, continuous duty industrial type protected
from overload by a current sensing or thermal type overload device.
Electrical components shall be installed in a NEMA 1
enclosure integral to the operator. A transformer shall
be provided to reduce control voltage to 24 VAC.
Separate terminal strips shall be provided for
connection of power supply line and all control
devices. Operator shall be wired to accept control
stations, safety devices and other access control
equipment. Control circuit shall provide instant
reverse motor wiring. Positive chain driven, rotary
type limit switches shall be provided to limit full open
and close travel of door. Limit switch adjustment shall
not be affected by removal of motor or by manual
operation of door.
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An adjustable torque limiting clutch shall be provided
to prevent overloading of the operator. A disconnect
arm for manual operation of the door shall be
provided in case of power failure. The final reduction
and drive shall be heavy duty roller chain and
sprockets. The drive shaft shall be supported by oilite
bearings and be a minimum of ¾ inch diameter.
Electrical Specifications
- 115 VAC Resilient Mount PSC Motor with Full Overload Protection
- Solid State Circuitry with Power and Program Feedback LED’s
- On Board Open/Close/Stop buttons for service and adjustments
- Terminals labeled and grouped by function
- Auto-Detect monitored photo beam for simplified installation
- Selectable Operating modes B2, C2, D1, E2, T, TS
- Field adjustable built in functions including: timer to close, mid-stop, delay on reverse, lock bar sensing, maximum run time, etc.
- Optional remote mountable warning light module with dual function timer and Red and Green lights
Mechanical Specifications
- For Use on Sectional Doors Requiring High Cycles and Quiet Operation
- Heavy Duty V-Belt and Chain Reduction, Mechanically Self Locking
- Heavy Duty #65 Roller Chain Included
- Adjustable Torque Limiting Clutch
- Positive Chain Driven Rotary Limit Switches
- Drawbar Disconnect (For Manual Operation in case of power failure)
- Baked on Grey Powder Coat finish
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