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E L A N
H O M E
S Y S T E M S
C
025
Connecting the Z•025 to the MCU
The MCU can power one keypad with a Z•025 per zone.
Zones requiring more than one Z•025 will require the use
of the ELAN Z•027 12 VDC Regulated Power Supply (see
the following page). Refer to the table on this page for the
maximum number of keypads/Z•025s that can be
connected to the MCU.
In order to receive a Page or Doorbell override signal from
an MCU, the Z•025 will need to be triggered by the
2010
SENSE A
SENSE A
VAR
FIXED
VAR
FIXED
© ELAN Home Systems • 2003 • All rights reserved. 2/03
ONNECTIONS
ELAN Z027
Regulated
Power Supply
SENSE B
SENSE B
(C45P)
# of Keypads
2010
:
HDC2040 Automation Control Card. In MCU Relay
Programming, the relays should be programmed to either
P+D+TM+ if using Wholehouse Page only or to VCO1,
VCO2, etc. if Zone-Specific paging is desired (see page
4.17 and 5.11 in the Series HD™ Installation Manual.)
MAX # of
per Zone
Z025s
1
1
2-4
0
025
INSTALLATION MANUAL
(C45P)
MAX one (1) Z•025
per zone unless
using the Z•027 12
VDC Regulated
Power Supply (See
Page 9).
# of Keypads
MAX # of
per MCU
10
12
14
16
18
20
Z025s
8
7
6
5
4
3
Page 8
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