ASTRO KB Series - Appendix A: Component Resistance Tables; Hose;Applicator Fuse Size Specification; RTD Sensor Resistance; Heater Resistance

9.5 HAT Switches
Item Description (Quantity) Part Number
Kit, HAT Switch, AC, Head Group #1 79128-101
Kit, HAT Switch, AC, Head Group #2 79128-102
Kit, HAT Switch, DC, Head Group #1 79128-103
Kit, HAT Switch, DC, Head Group #2 79128-104
HAT Switches – end-user to install
Definition: A HAT Switch is a 3-position switch that allows a Head Group to be in Run for normal
automatic operation, Off so no firing signal goes to the head coil(s), or in Test for manual testing firing
HAT Switches should not be installed on melt units with Head Drivers.
of valve. Astro Packaging Pattern Generators and Head Drivers include a switch for test firing the valves.
48 KB30, KB50 and KB100 Series Hot Melt Units 19600-159 Rev. A 04/09/09 © Copyright Astro Packaging 2009