Von Duprin PS873 Service manual

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For continued protection against risk of fire,
replace fuse F2 with same type and rating.
CAUTION
!
Installation Instructions
PS873 Class 2 Power Supply & 873-FA, 873-BB, 873-KL Options
These instructions cover the following parts:
PS873 Specifications:
PS873: 120VAC, 1.0 Amperes 50/60 Hz
PS873-240: 240VAC, 0.5 Amperes 50/60 Hz
12VDC, 4 Amperes or 24VDC, 2 Amperes
Von Duprin EL compatible - 24VDC, 16 Amp-inrush (0.3 sec.).
When using EL device: 871 option board required - see page 6.
Output protected with 4 A slow blow, 250 V, 1/4” x 1-1/4” fuse (F2)
10” H x 12.5” W x 5.0” D Hinged cover box
19 GA steel, Five 1/2” x 3/4” knockouts total
0-120 degrees F
1. If installing a PS873 with an EL Device, see P.8 of these instructions
and exit device instructions under “optional equipment - EL”.
2. If installing PS873 with a Chexit device, see Chexit instructions.
3. For Canadian applications, the device must be installed in
accordance with Canadian Electrical Code.
Input:
Output:
Enclosure:
Temperature:
Installation Notes:
941352-00
NOTE: During battery backup (873-BB required)
Output Rating: 10.5 - 12 VDC, 4A or 22-24 VDC, 2A
© 2008 Ingersoll-Rand Company Limited

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F2

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F2

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Note: The 871-2 board is for standard EL exit devices only and cannot be used with QEL devices.
For QEL devices, an 871-2Q board is required. For information on 871-2Q, see instructions 941016.

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NOTE: When using an EL device such as EL33A, EL99, etc:
Use 12 AWG stranded wire for outputs 01 and 02 between
PS873 and EL device (200’ run maximum).
Use 18 AWG stranded wire for control contact input I1 and I2
to actuator button, access control devices, etc.

941352-00(H) page 8 of 8
For continued protection against risk of fire,
replace fuse F2 with same type and rating.
CAUTION
!
!
!