Connection to communications circuits, Installation – Edwards Signaling B-8325 User Manual
Page 2
P-047550-1616 ISSUE 3
PAGE 2
1
2
3
4
Figure 1. Wiring Diagram
(Screw terminals accept 26-12 AWG wire size)
Figure 2. Weatherproof and Explosion
Proof Units
W A R N I N G
Do not connect units without capacitor to telephone lines.
Connection to Communications Circuits
Cat. Series B-8313, B-8315, and B-8316, B-8319 and B-8320,
and B-8322 and B-8323 are intended for installations where
one of the following conditions apply:
a.
The product is electrically isolated from cable
extending outside the building.
b. Cable that this product is not electrically isolated
from is not outside a building for more than 1000
meters and is in conduit that is buried
underground in a trench has been separated from
power lines.
c.
The product is installed as a component of a
communications system network that is (i) UL
Listed to UL 1950 or CSA Certified to C22.2 No.
950 (as deemed acceptable to the authorities
having jurisdiction) and (ii) installed according to
the applicable Listing and/or Certification.
Cat. Series B-8319, B-8320, B-8322 and B-8323 are also in-
tended for installations where the product is not isolated
from cable outside the building and either the product
itself or the communications system network that the prod-
uct is part of is protected by Protectors that (i) limit cur-
rent energy to no greater than 100 A
2
-s and limit current
to no greater than 1.3A and (ii) are UL Listed to either
standard UL 497A or CSA Certified to C22.2 No. 226 (as
deemed acceptable to the authorities having jurisdiction).
The enclosures of the B-8319, B-8320, B-8322 and B-8323
series are Fire Enclosures as defined in UL Standard 1950,
Safety of Information Technology Equipment, that can be
opened by turning the threaded cover counterclockwise
to loosen and remove or closed by turning the threaded
cover clockwise to tighten and secure.
Installation
See Figures 2 through 4 for relay dimensions.
1.
Refer to Table 1 for voltage selection.
2.
Wire telephone line to relay as shown in Figure 1.
3.
Verify operability of mechanical relay.