7
6
MEL Wiring and Configuration (page 2 of 3)
WARNING
To avoid risk of electric shock, turn off AC power to power supply before
installing or wiring option board.
16
Confirm equipment compatibility
MEL is compatible with the following equipment (refer to individual instructions as needed):
•
PS900-Series power supplies - PS902, PS904, PS906, PS914
• 900-Series option boards - 900-2RS, 900-4R, 900-4RL
17
Install 900-2RS, 4R, or 4RL option board(s) into power supply
b
c
Secure Board(s) with Screws
Option 1
Option 2
Option 1
Option 3
Option 2
Option 1
PS902
1 Board
PS904, 914
2 Boards
PS906
3 Boards
1
a
Review Available 900 series Option
Board Mounting Locations (Gray)
PS902
PS904
PS914
PS906
1
1
2
2
3
1
Plug Option Board Cable into
any Available Option Connector
WARNING
Fire alarm (FA) option board required if MEL is installed in fire exit hardware.
1. 24 VDC output setting required when MEL device connected.
2.
If installing board in location 2 or 3, rotate board 180˚.
3. Latchbolt retraction of (2) sequenced MEL devices requires more than 1 second to
complete.
4. When powering multiple components, verify that the amperage requirements of all
components combined does not exceed the power supply output rating.
Notes:
