10
6000 Series Purge/Pressurization System
I/O Manual
Electrical installation - power and I.S. wiring
Connector color code for the user interface,
temperature module, and vent:
PWR + BN (brown)
PWR - BU (blue)
DATA_A WH (white)
DATA_B BK (black)
Requires standard explosion-proof seals to
explosion-proof/ameproof enclosure at a
maximum distance of 18" (457.2 mm).
When removing the terminal block from the
EPCU stack, place your hand on top of the
plastic to support the stack when lifting the
terminal block off the stack.
BK
OR
GN
WT
RD/WT
BK/WT
BL/WT
GN/WT
OR/BK
BL
RD
WT/BK
RD/BK
Note
Warning
Manifold connection Vent connection
The EPCU is prewired to the I.S. terminal board.
Both enclosure power contacts are switched at
the same time.
IS PWR 1+
IS PWR 1-
IS DATA 1A
IS DATA 1B
IS 1 SHLD
IS PWR 2+
IS PWR 2-
IS DATA 2A
IS DATA 2B
IS 2 SHLD
IS PWR 3+
IS PWR 3-
IS DATA 3A
IS DATA 3B
IS 3 SHLD
INPUT 1-
INPUT 1+
INPUT 2-
INPUT 2+
INPUT 3-
INPUT 3+
INPUT 4-
INPUT 4+
INPUT
SHIELD
Temp
Module
Vent 1
Vent 2
Inputs
1 thru 4
Power to
EPCU
Prewired
Enclosure
Contacts
(2) N.O.
Aux
Output 1
(1) SPDT
Aux
Output 2
(1) SPDT
L1
GND
GND
GND
GND
N
Prewired
IS PWR 1+
IS PWR 1-
IS DATA 1A
IS DATA 1B
IS 1 SHLD
IS PWR 2+
IS PWR 2-
IS DATA 2A
IS DATA 2B
IS 2 SHLD
IS PWR 3+
IS PWR 3-
IS DATA 3A
IS DATA 3B
IS 3 SHLD
INPUT 1-
INPUT 1+
INPUT 2-
INPUT 2+
INPUT 3-
INPUT 3+
INPUT 4-
INPUT 4+
INPUT
SHIELD
Temp
Module
Vent 1
Vent 2
Inputs
1 thru 4
Power to
EPCU
Prewired
Contacts
(2) N.O.
Aux
Output 1
(1) SPDT
Aux
Output 2
(1) SPDT
L1
GND
GND
GND
GND
N
EPCU I.S. connector
GND
+1
-2
'+' Brown
'B' Black
'A' White
'-' Blue
User interface
connection
(pre-wired)
I.S. solenoid valve
from manifold
(pre-wired)
Temperature module
connection
(when Vent 2 is used)
Vent 1 connection
Vent 2 connection or
Temperature Module
connection
Inputs 1 - 4, 5.0 V DC
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