Table of Contents
Introduction and Safety..................................................................................................................2
Introduction..................................................................................................................................2
Safety.............................................................................................................................................2
Safety terminology and symbols........................................................................................... 2
User safety................................................................................................................................ 3
Environmental safety...............................................................................................................4
Product Description........................................................................................................................6
General description.................................................................................................................... 6
Operational specifications......................................................................................................... 6
Installation........................................................................................................................................8
Preinstallation...............................................................................................................................8
Recommended installation........................................................................................................ 9
Install the pump........................................................................................................................... 9
Install the valve.......................................................................................................................... 11
Commissioning, Startup, Operation, and Shutdown...............................................................13
Thermostat controlled operation............................................................................................13
Thermostat controlled operation Plus Timer.........................................................................13
Optional Push-Button / Signal Repeater................................................................................ 14
Maintenance..................................................................................................................................16
Valve and pump inspection..................................................................................................... 16
Pairing after pump or valve replacement...............................................................................16
Replace the batteries................................................................................................................ 16
Return to service after shutdown of two weeks or more......................................................17
Troubleshooting........................................................................................................................... 18
LED codes.................................................................................................................................. 18
Operation troubleshooting......................................................................................................18
Table of Contents
Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance
Manual
1