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SYSTEM POWER
Connect 2 conductor cable (for wire size, see Table 1
below) from TB4 at the Mini-Key unit to the 12VAC, 20
VA transformer supplied by Sentex (or 13.5 VDC power
supply that you provide).
Do not connect the power to the system until all
connections have been made to the system.
Please Note: If you are using a DC power supply, the
Mini-Key system will not trickle charge a battery, so the
DC power must be supplied by an uninterruptible power
supply (UPS).
DISTANCE
30' and under
30'-75'
75'-150'
150'-250'
250'-500'
DOOR/GATE CONTROL
Connect the 2 conductor cable from your door strike and door strike power supply or from your gate operator to the
relay contacts in area TB1 as follows:
Door Strikes
DC Powered Strikes
Use a 1N4001 Diode
or equiv.
AC Powered Strikes
Use a Siemens
S10K30 MOV
(Metal Oxide Varistor)
or equiv.
1051F12
3 - Wiring
AC POWER WIRE SIZE
18 AWG
18 AWG
14 AWG
12 AWG
10 AWG
Table 1: Power Wire Distance
DOOR STRIKE
Relay 1: Connect as Shown.
Relay 2: Connect wires
:
(DC)
+
(DC)
+
(DC)
:
(DC)
2 / 18-22 AWG
AC (24v max.) or DC
POWER SOURCE
Figure 6: Normally Locked Strikes
Page 4 of 8
Doc 6001051, Rev C
2 Conductor Cable
(See Table for Wire Size and Distance)
1051F7
Figure 5: Power Connections
DC POWER WIRE SIZE
18 AWG
18 AWG
18 AWG
16 AWG
12 AWG
to COM2 and NO2
TB4
12V AC/DC
PWR IN
TB1
COM1
NO1
COM2
NO2
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