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© 2004 Liebert Corporation
All rights reserved throughout the world. Specifications subject
to change without notice.
® Liebert and the Liebert logo are registered trademarks of
Liebert Corporation. All names referred to are trademarks or
registered trademarks of their respective owners.
SL-31205 (11/04) Rev. 0
Liebert Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
Telephone: 1-800-877-9222
Facsimile: 1-614-841-6022
www.liebert.com
AC4 Specifications
Ordering Information
Quantity Part # Description
AC4 AC4 controller board in enclosure
201258P1 RS232 configuration cable
TM115 Transformer Module 115VAC with two 24VAC outputs (40VA each) and 115VAC receptacle
TM230 Transformer Module 230VAC with two 24VAC outputs (40VA each)
DEVICES CONNECTED
TO INPUTS & OUTPUTS
RS232
Liebert
Challenger
3000
Liebert
Himod
Liebert
Challenger
3000
Liebert
Himod
Zone 1 Devices
Device 1 Device 2
Zone 2 Devices
Device 3 Device 4
Power Requirements
24VAC ±10% of nominal
50/60 Hz, 1.3A, 30VA
Dimensions W x D x H, in. (mm)
14-1/4 x 2-3/4 x 12
(361.95 x 69.85 x 304.8)
Weight (Assembled) 7.68 lbs (3.48 kg)
Enclosure Type NEMA 1
Liquid Crystal Display (LCD) Four line, 20 character, backlit
Mounting Surface Building Wall or Structural Member
Ambient Operating
Environment
32°F to 104°F (0°C to 40°C)
0% RH to 95% RH (non-condensing)
Processor Specifics
Model Motorola XC68HC812A4
Clock speed 16MHz
Total RAM 32Kb
Total FLASH 4M
Total EEPROM 4K
A/D Resolution (Analog IN) 12 Bit
Clock Type Real-Time Clock
Clock battery backup type Lithium Cell (non-replaceable)
Clock battery life 7 years, constant, no power
Communications
Local Communications RS232
Agency Listings
UL UL3121
CSA C22.2 NO. 1010
CE Yes
FCC Compliance CFR 47 Part 15
Inputs & Outputs (Quantity)
Digital Inputs (4)
Dry Contact Closure
24VDC, 10 mA
Digital Outputs (4) 24VAC, 3A
Common Alarm Outputs (2) 24VAC, 3A
Typical Configuration