If both relays are wired to corresponding equipment, pressing the operation button twice switches on/off the first relay output (Q1). The second relay output (Q2) follows the first relay output's changed state.
Output Q1 | Output Q2 | After manual override | Output Q1 | Output Q2 |
On | On | Off | Off | |
On | Off | Off | Off | |
Off | On | On | On | |
Off | Off | On | On |