Liebert Autochangeover Controllers AC8 - Manual (Page 3)

3
Dimensions - Enclosure and Transformer Modules
Wiring Specifications
Connection Supported Wire Type Maximum Wire Length Rating
Digital
Input/
EPOP
18-22 AWG Stranded & Unshielded
18 AWG* (recommended)
Non Plenum - Belden 9740
Plenum - Belden 89740
750 ft. (225m)
Dry Contact
(24VDC,
10 mA)
Digital
Output/
Control
Relay
18-22 AWG Stranded & Unshielded
18 AWG* (recommended)
Non Plenum - Belden 9740
Plenum - Belden 89740
18 AWG*
(recommended)
20 AWG 22 AWG
24VAC@3A
@3A 50 ft. (15m)
@2A 100 ft. (30m)
@1A 200 ft. (60m)
@3A 40 ft. (12m)
@2A 60 ft. (18m)
@1A 100 ft. (30m)
@3A 25 ft. (7m)
@2A 35 ft. (10m)
@1A 75 ft. (23m)
Analog Input
2-Wire
Transducer
18-22 AWG Stranded & Unshielded
18 AWG* (recommended)
Non Plenum - Belden 9740
Plenum - Belden 89740
750 ft. (225m)
4-20 mA Signal
Input Selectable
Power Source
(12/24VDC)
Analog Input
4-Wire
Transducer
18-22 AWG Stranded & Unshielded
18 AWG* (recommended)
Non Plenum - Belden 8489
Plenum - Belden 88489
750 ft. (225m)
4-20 mA Signal
Input Selectable
Power Source
(12/24VDC)
Common
Alarm
Output
18-22 AWG Stranded & Unshielded
18 AWG* (recommended)
Non Plenum - Belden 9740
Plenum - Belden 89740
18 AWG*
(recommended)
20 AWG 22 AWG
24VAC
@3A @3A 50 ft. (15m)
@2A 100 ft. (30m)
@1A 200 ft. (60m)
@3A 40 ft. (12m)
@2A 60 ft. (18m)
@1A 100 ft. (30m)
@3A 25 ft. (7m)
@2A 35 ft. (10m)
@1A 75 ft. (23m)
Communication
RS232
Null Modem Cable 50 ft. (15m) N/A
Communication
EIA422
SiteScan
18-22 AWG Stranded & Shielded
22 AWG* (recommended)
Non Plenum - Belden 9461
Plenum - Belden 88761
1000 ft. (300m) N/A
Communication
EIA485
18-22 AWG Stranded & Shielded
22 AWG* (recommended)
Non Plenum - Belden 9461
Plenum - Belden 88761
3000 ft. (900m) N/A
Phone/Modem
Line
4 Wire (Pins 3 & 4)
RJ11 Connector
N/A N/A
24VAC Power
Connection
(TB7)
18-22 AWG Stranded & Shielded
18 AWG* (recommended)
Non Plenum - Belden 8770
Plenum - Belden 88770
150 ft. (45m)
24VAC
@1.3A
Power Connections (Transformer Module)
115VAC
14 AWG Stranded & Unshielded
Non Plenum - Belden 5101UE
150 ft. (45m)
115VAC
@4A
230VAC
14 AWG Stranded & Unshielded
Non Plenum - Belden 5101UE
150 ft. (45m)
230VAC
@0.5A
* Recommended
18"
(457.2mm)
18"
(457.2mm)
2.85"
(72.39mm)
14"
(355.6mm)
3.83"
(97.2mm)
2.65"
(67.3mm)
ENCLOSURE TRANSFORMER MODULES (115V & 230V)
Front
view
Top/bottom
view
Front
view
Top/bottom
view