Section 6
Factory Options
A description of the factory option connections to external equipment
follows.
A set of relay contacts is provided to monitor alarms through an RJ11
telephone style connector on the back of the cabinet. Refer to Figure 6-5
for the location of the alarm connector. The 12-foot telephone cord (P/N
190388) and RJ11-to-screw terminal conversion box (P/N 190392) are
available through your local distributor.
The remote alarm provides a NO (normally open) output, an NC
(normally closed) output and COM (common). Refer to Figure 6-1.
The contacts will trip on a power outage or an overtemperature condition.
The contacts may also be programmed to trip or not trip on temperature
alarms, CO
2
alarms, and RH alarms. See Section 3, Configuration mode.
Air Jacketed CO2 Incubator
6-1
VWR International
Remote Alarms
(COM)
yellow wire
(NO)
green wire
phone cable to incubator
alarm contacts RJ-11 connector
Alarm Contacts
Junction Box
All outputs shown
in alarm condition
(NC)
red wire
(not connected)
black wire
IMPORTANT USER INFORMATION
Caution! Stored product should be
protected by an activated alarm system
capable of initiating a timely response
24 hours/day. These alarms provide
interconnect for centralized monitoring.
ALARM CONTACTS
30V max at 1A max
(2) COM
(3) N.O.
(4) N.C.
Figure 6-1.
Remote Alarm Contacts
Contains Parts and Assemblies
Susceptible to Damage by
Electrostatic Discharge (ESD)
CAUTION
