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Thermo Scientific
Factory Installed Options
Connect the Remote Alarm Contacts
A set of relay contacts is provided to monitor alarms through a RJ-11telephone style
connector on the back of the unit. Refer to Figure 5-5 on page 5-3 for the location of the
alarm connector. The 12-foot telephone cord (P/N 190388) and RJ11-to-screw terminal
conversion box (190392) are available through the Technical Services department.
The remote alarm provides a NO (normally open) output, an NC (normally closed) output
and COM (common). Refer to Figure 5-4 on page 5-2.
The
contacts will trip on a power outage or an over temperature condition. The
alarm
contacts may also be programmed to trip or not trip on temperature arms and CO
alarms. See "Configuration" on page 7-6.
Figure 5-5
Remote Alarm Outputs
NOTE
After connecting the environmental chamber to the external alarm system,
verify proper alarm operation by simply placing the environmental chamber
power switch to its off position to simulate a power outage condition.
Product Description |
Chapter 5
2
Model 3962 | 5-3
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