Precautions; Installation Instructions; Installing The Mc521 Pro Controller; Wiring Instructions - Stanley MC521 Pro Installation And Operation Manual

3.

PRECAUTIONS

3.1 All ANSI/BHMA and UL Requirements in Attachment 4 must be met before the door is
put into operation.
4.

INSTALLATION INSTRUCTIONS

4.1

Installing the MC521 Pro Controller

This manual covers new door installations in which the MC521 is factory-installed and wired.
5.

WIRING INSTRUCTIONS

5.1

Evaluating Power Requirements

5.1.1 EVALUATE door system power requirements as follows:
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5.2

Connecting Main Power Wiring

1. To prevent injury to personnel, incoming electrical power to the header must be deenergized before
connecting electrical service to the control box.
2. All electrical wiring must conform to National Electrical Code Requirements.
5.2.1 DEENERGIZE incoming electrical power to header.
5.2.2 Refer to Attachment 2, and, using wire nuts, CONNECT incoming line, neutral, and
ground wires to the controller power harness.
5.2.3 IF adhesive wire clamps will be used, DEGREASE metal surfaces on inside of header
cover where clamps will mount.
5.2.4 SECURE wiring to top of the header track tube, and ENSURE the following:
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5.3

Connecting Accessories (As Applicable)

5.3.1 Refer to Attachments 2 and 3, and CONNECT any of the following subsystems to the
MC521 Pro Controller:
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© 2010, THE STANLEY WORKS. ALL RIGHTS RESERVED.
NOTE
ENSURE power source is a dedicated 115 VAC, 50/60 Hz source with 20A
circuit rating. If four operators are used, the source should have a 30A rating.
ENSURE no more than four operators will be connected to one circuit.
ENSURE power source is not shared with other equipment, i.e., cash registers,
EAS systems, or other electromagnetic interference generators.
WARNING
All wires are clear of belts and belt brackets.
Header cover opens and closes without interference.
Function switch (rotary, rocker and "POWER" switch wiring)
Stanguard threshold sensor
Doorway holding beam
Cycle counter
204066
Rev. A, 11/23/10
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