1-5060 Rev B-copy-EVX-ZA Install Rev B.cdr
EVX-ZA
Class “A” Converter
The EVX-ZA converts 4 Class “B” 2-wire circuits to 4 Class “A” 4 wire circuits. 24VDC power is supplied at TB-7. Speaker
or strobe power is applied at TB1 and TB2, and connections for field wiring are provided at TB3, TB4, TB5, and TB6. All
wiring is power-limited. Mounts to snaptrack or 5/8” nylon standoffs.
Compatible with 25VRMS or 70VRMS speaker lines. Maximum speaker output 50 watts per circuit. Maximum strobe output
1 amp per circuit.
Fig.1
Board
TB1:
Ter. 1
Ter. 2
Ter. 3
Ter. 4
Class “B” Speaker Input Zone 1, +
Class “B” Speaker Input Zone 1, Class “B” Speaker Input Zone 2, +
Class “B” Speaker Input Zone 2, -
TB3
TB4
TB5
TB1
TB2
TB6
TB2:
Ter. 1
Ter. 2
Ter. 3
Ter. 4
Class “B” Speaker Input Zone 3, +
Class “B” Speaker Input Zone 3, Class “B” Speaker Input Zone 4, +
Class “B” Speaker Input Zone 4, -
TB7:
Ter. 1 +24VDC in, +
Ter. 2 +24 VDC in, -
TB8:
Ter. 1 +24VDC in, +
Ter. 2 +24 VDC in, -
TB7
TB8
TB3:
Ter. 1
Ter. 2
Ter. 3
Ter. 4
Class “A” Speaker Output Zone 1, +
Class “A” Speaker Output Zone 1, Class “A” Speaker Output Zone 1, + Return
Class “A” Speaker Output Zone 1, - Return
TB4:
Ter. 1
Ter. 2
Ter. 3
Ter. 4
Class “A” Speaker Output Zone 2, +
Class “A” Speaker Output Zone 2, Class “A” Speaker Output Zone 2, + Return
Class “A” Speaker Output Zone 2, - Return
TB5:
SPECIFICATIONS:
Power: +24VDC in
Current Draw: 38mA Standby
48mA Active
Ter. 1
Ter. 2
Ter. 3
Ter. 4
Class “A” Speaker Output Zone 3, +
Class “A” Speaker Output Zone 3, Class “A” Speaker Output Zone 3, + Return
Class “A” Speaker Output Zone 3, - Return
TB6:
Ter. 1
Ter. 2
Ter. 3
Ter. 4
*Standoff mounting must utilize 5/8” nylon standoff
Class “A” Speaker Output Zone 4, +
Class “A” Speaker Output Zone 4, Class “A” Speaker Output Zone 4, + Return
Class “A” Speaker Output Zone 4, - Return
P/N 1-5060 REV. B
Fig.2
Typical connection detail
Zone 2
Output
Zone 1
Output
Zone 4
Output
F
I
R
E
F
I
R
E
+
-
-
+
10K
EOLR
-
F
I
R
E
F
I
R
E
TB3
+
TB4
TB5
10K
EOLR
TB6
EVX-ZA
TB7
TB1
TB2
TB8
+
-
+
Zone 3
Output
++24VDC
In
+
-
+
-
+
-
+
+24VDC out to
additional
EVX-ZA units
-
TB1
TB2
JP1
S2
EVX-4Z
S3
S4
J1
TB3
S5
1 2 3 4 5 6 7
33 Chestnut St. New Haven, CT 06511
(203) 752-1806 FAX 752-1906
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