Ax60+ Multi-Gas
Service Manual
Int. Approved
Document ref: P0159-803-11
September 2019
Page 39 of 62
Copyright © 2015 Analox Ltd. All Rights Reserved.
Commercial in Confidence
8.4.2
Hardware overview
R1 and R2 are single pole double throw (SPDT) rated for 250V AC/30V DC 3A Max. They have volt-free contacts, normally
open (NO) or normally closed (NC), to switch external systems such as fire alarms, building management systems or
ventilation via an external mains relay.
NOTE: R1 AND R2 PROVIDE VOLT-FREE SWITCH CONTACTS, NOT A POWER SUPPLY.
The connecting cables to Relays 1 and 2 can be installed either through a cable gland (supplied) on the underside of the
Central Display or via a knockout on the rear of the enclosure.
Central Display PCB showing the screw terminals for connecting to Relay 1 and Relay 2
Relay 2 Relay 1
WARNING: TO COMPLY WITH THE APPROPRIATE SAFETY STANDARDS, ANY CIRCUITS CONNECTED
TO RELAYS 1 AND 2 MUST BE PROTECTED WITH DOUBLE/REINFORCED INSULATION FROM THE
MAINS.
Содержание Ax60+ Multi-Gas
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