Figure 1.20 Wiring: Lc1500 External Alarm Wiring - Bard D36A2P/BLD.10304 Installation And Service Instructions Manual

Before connecting the external alarm wiring, identify the model of the controller (see label on inside of controller door. The
connections described below are for the LC1500-100 controller only.
The LC1500-100 has the same eight (8) separate series of normally closed dry contacts as the LC1000-100, but has a
prewired 66 punch-down block to make external connections easier.
• Smoke • Generator
• Hydrogen • Lag Unit Run
Field wiring for alarms
48" umbilical cord allows for mounting the 66 punch-down
block to either side, top or bottom of PLC controller cox.
Bridge clips have been inserted for convenience.
* There is no longer any need for the electro-mechanical coiled-bulb type thermostats—like the Johnson Penn A19-
Series—for High/Low Temperature Alarms. Do not install in new sites, and remove them in retrofit applications.
FIGURE 1.20
LC1500-100 External Alarm Wiring
• High Temp* • HVAC 1 Fail
• Low Temp* • HVAC 2 Fail
Manual 2100-620A
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