Gram BioCompact II User Manual

16
Voltage free contact
The illustration shows the three connectors for the relay (used ex. in connecting to CTS or other external monitoring systems).
The three connections, are respectively. Common, NO and NC.
The moment when voltage is applied the controller draws the relay, this makes it possible for the controller to respond to both high
and low alarms, door alarms and power failures.
Temperature alarms and door alarms must be congured in the external alarm settings (EAL) before they will activate the voltage free
contact.
Find instructions on setting external alarms in the Parameter settings section.
Access to the voltage free contact is done according to the descriptions below:
BioCompact II 210, 310, 210/210, 310/210, 410
Unscrew the preload cover on the back of the cabient to access the voltage free contact block.
Two dierent sized strain reliefs are mounted into the preload cover for a secure tment of the wire for the voltage free contact.
Ensure that the preload cover is reinstalled after installing the voltage free contact.
The leaf spring in the preload cover must engage and preload the power supply plug.
Consult the section “Connection to power” for further information.
BioCompact II 610
The voltage free contact secured in place by the press-t plate that is pressed onto the block, thereby also preventing access to the
electrical circuit.
Connection of the voltage free contact should be done by a qualied installer.

Gram BioCompact II Specifications

General

Brand	Gram
Model	BioCompact II
Category	Laboratory Equipment
Language	English