36 GWF-7075 Manual - P/N LS10147-002GF-E:E 06/11/2019
Velociti® and SWIFT™ SLC Device Installation Velociti Detector Installation
5.4.2 Wiring SLC in Class A Configuration
Figure 5.3 illustrates how to wire the SLC loop for Class A installations.
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Figure 5.3 Class A SLC Configuration
5.5 Velociti Detector Installation
This section describes how to install Velociti heat and smoke detectors. All detectors ship with installation instructions. Refer to the
detector’s installation instructions for more detailed information.
5.6 Wiring Velociti Detectors
1. Wire device bases as shown in Figure 5.4.
2. Set the address for each device as described in Section Section 5.7.
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Figure 5.4 Heat and Smoke Detector Connection to the Panel.
NOTE: Class A does not use short circuit isolator devices. Class X requires an isolator module as the first device on the in and the out
loop.There are No t-taps allowed on the Class A SLC loops.
61BLIM
LIM
61B 61B61B
61B 61B61B
61B
LIM LIM LIM
LIM
LIM
LIM LIM LIM
LIM LIM
LIM LIM
61B
LIM
Note 2:
IDP device max. loop resistance = 40 ohms
SD device max. loop resistance = 50 ohns
Note 3: Wires must be in Conduit and closed-nippled.
Note 1: Wires must be in Conduit and closed-nippled at the fire alarm
control panel and on each side of all the devices.
= Any SLC device, including detectors
= Line Isolator Device
= Detectors with 6” Isolator Bases
Caution: Do not loop wire under terminal 1 or 2.
Break wire run to provide supervision of connections.
Class A wiring:
Class B wiring:
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