Air-volume adding relay

How energy efficiency is improved
For the reliable and demand-led control of air in laboratories.

Areas of application
Synchronisation of room air in laboratories, can also be used in Zone 1 potentially explosive areas.


Properties

• Maximum of 4 inputs for actual values
• Easy adjustment of exact partial air volumes using adjusters
• Suitable for use in areas at risk of explosions in zone 1 II 2 G T6
• Conformity tested as per EN 13463-1 and EN 1127-1 (Ex zone II 2 G T6)
• Compressed-air connections with Rp 1/8″ female thread

Technical description

• Supply pressure 1.3 bar ± 0.1
• Four inputs for:
• room return air
• One output for:
• command variable signal for supply-air controller
• Setpoint adjuster for weighting partial volumes and setpoint adjustment ΔV