Page 12 of 28 Doc. 6001072 Rev B
2. MULTIPLE ENTRANCES
A. Ovation Controller Cabling
The following cabling must be run for a multiple entrance installation:
a. A 4 twisted pair cable from the Ovation Controller to the MUI located in the first LIB housing,
as shown in Figure7. This cable can be up to 2500 feet in length. Each additional Ovation
controller must be wired to the corresponding unit number on the MUI.
NOTE: Belden 8757 for unshielded installation and Belden 9504 for shielded installations (or
equivalent) is recommended.
b. 2 conductor shielded cables from each Ovation Controller to the 120 VAC outlets for the 12
VAC, 50 VA transformers supplied by Sentex (or a 13.5 VDC power supplies that you provide).
See Table 3 for the required wire size.
c. 2 conductor cables from the Ovation Controller to the door strikes, magnetic locks or gate
operators for the 2 control relays on each controller.
d. 2 conductor cables from the strike power supplies, if required.
e. Wiring for additional features as required. See Part 9 for details of the cabling required.
Figure 7. Multiple Entrance Ovation Controller Cabling.
DC POWER
WIRE SIZE
DISTANCE AC POWER
WIRE SIZE
18 AWG 30' and under 18 AWG
18 AWG 30'-75' 14 AWG
14 AWG 75'-150' 12 AWG
12 AWG 150'-250' 10 AWG
10 AWG 250'-500' -----
Table 3. Multiple Entrance Ovation Cabling Power Wire Distance.
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