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Introduction
3
1.6 Typical Configuration
Figure 3 shows an example of external devices connected to the AC8’s controller board. Up to eight
devices may be connected to the eight digital inputs and eight digital outputs. There may be up to four
analog sensors connected to the analog inputs, and up to two devices connected to the control relay
outputs. The EPOP connection allows for one device, possibly a UPS or generator input actuated
during a power failure.
Remote access is available via SiteScan Web and through the modem, which enables pager notifica-
tions and use of the Service Terminal Interface. A computer may be connected to the RS232 port, pro-
viding access to the features of the Service Terminal Interface.
Figure 3 Typical Configuration
BAR CODE
BAR CODE
LIEBERT
BATTERY
LCD
CONTRAST
VBATT
START
TB7:
24V INPUT
P23:
BATTERY
485
+
—
+
—
(TOP)
(BOTTOM)
422
RELAY
OUTPUTS
TB4:
(BOTTOM)
2
TB3, TB4, TB5
OUTPUT RELAY
RATINGS: 24V, 3A
CLASS 2 ONLY.
TB2:
CONTACT
INPUTS
ASS
EPOP
EPOP INPUT
EPOP
P19
TB1
DIS EN
REV
PFM5 PFM2
(BOTTOM)
(TOP)
4
3
2
1
8
7
6
5
(BOTTOM)
(TOP)
4
3
2
1
8
7
6
5
J11: PHONE
PIN 3-TIP
PIN 4-RING
MODEM
TB5: COMMON ALARM
RELAY OUTPUTS
BOTTOM
TOP
Q11
P11
+
LS1
ENABLE
AUDIBLE
(TOP)
NO C NC
NO C NC
TB1: EPOP
CONTACT
INPUT
TB1, TB2 INPUTS:
DRY CONTACTS ONLY.
TB9: ANALOG
GROUND
AG
+ +
——
+
—
+
—
3-4 BOTTOM
1-2 TOP
ON
MODEM
CAN TX
CAN RX
DS83
DS84
1
ON
ON
TP1
GND
S2
OFF
DIP
2345678
OUTPUT1
DS56
DS54
DS63
DS61
DS60
DS62
DS55
DS57
DS59
DS58
DS53
MOP
F PROG
574 TX
574 RX
485 RX
485 TX
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT5
OUTPUT6
OUTPUT7
OUTPUT8
CTRLLOCK
SENLOCK
CMN ALR
INPUT1
DS70
DS67
DS66
DS65
DS64
R334
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
INPUT7
INPUT8
C71
NC
C
NO
NC
C
NO
Analog inputs
Phone
line
RS232
SiteScan Web
DEVICES CONNECTED TO
DIGITAL INPUTS & OUTPUTS
Liebert
Challenger
3000
Liebert
Himod
Liebert
Challenger
3000
Liebert
Himod
ZONE 1 DEVICES
ZONE 2 DEVICES
Device 3
connected to
Input3&Output3
Device 4
connected to
Input4 &Output4
EPOP contact
input
Contact relay
output
Humidity
lockout
Device 2
connected to
Input2 &Output2
Device 1
connected to
Input1&Output1
Generator