Manual
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
speciļ¬cations.......................................................................................6
Installation...................................................................................................................... 9
Preinstallation............................................................................................................ 9
Recommended installation....................................................................................10
Install the pump...................................................................................................... 11
Install the valve........................................................................................................12
Commissioning, Startup, Operation, and Shutdown............................................. 15
Thermostat controlled operation..........................................................................15
Thermostat controlled operation Plus Timer...................................................... 15
Optional Push-Button / Signal Repeater..............................................................17
Maintenance................................................................................................................ 19
Valve and pump inspection...................................................................................19
Pairing after pump or valve replacement............................................................ 19
Replace the batteries..............................................................................................19
Return to service after shutdown of two weeks or more................................... 20
Troubleshooting..........................................................................................................21
LED codes................................................................................................................21
Operation troubleshooting................................................................................... 21
Table of Contents
Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Instruction
Manual
1