Have just installed the DHW side of my Evohome, and noticed yesterday that the relay was turned off for about 10 minutes during the water heating period, way before target temperature was reached. Not really a problem on this occasion, it came back on again, but a bit odd. You can see from the trace below that at 14:59 the relay is turned on, as expected, and then at 15:09 it si turned off again, coming back on at 15:19. It then stayed on until target temperature was reached.
Code:
2021-09-22 14:13:47 |1/080| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 21.83°C 2021-09-22 14:20:55 |1/073| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay 2021-09-22 14:20:55 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:21:03 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:31:03 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:31:06 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:41:00 |1/073| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay 2021-09-22 14:41:06 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:41:12 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:51:12 |1/072| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:51:19 |1/072| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 14:59:51 |1/070| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 14:59:52 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:00:56 |1/066| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 15:01:19 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:01:24 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:09:51 |1/070| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay 2021-09-22 15:09:52 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 15:10:56 |1/069| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay 2021-09-22 15:11:24 |1/071| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 15:11:28 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | OFF 2021-09-22 15:11:34 |1/078| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 34.57°C 2021-09-22 15:19:51 |1/067| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 15:19:52 |1/066| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:20:54 |1/071| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 15:21:28 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:21:31 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:28:44 |1/081| DHW_SETTINGS | RQ| DHW DHW Temperature -> CONTROLLER | DHW Setpoint: 59.76°C; Re-heat triggered at 56.78°C. (Overrun state: 0) (Device: 0) 2021-09-22 15:28:44 |1/069| DHW_SETTINGS | RP| CTL Controller -> DHW DHW Temperature | DHW Setpoint: 60.0°C; Re-heat triggered at 57.0°C. (Overrun state: 0) (Device: 0) 2021-09-22 15:29:49 |1/079| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 45.18°C 2021-09-22 15:31:31 |1/066| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:31:35 |1/066| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:40:55 |1/069| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 15:41:35 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:41:39 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:43:04 |1/077| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 54.79°C 2021-09-22 15:46:34 |1/090| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 55.98°C 2021-09-22 15:51:04 |1/086| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 57.02°C 2021-09-22 15:51:39 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:51:44 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 15:57:49 |1/078| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 58.06°C 2021-09-22 16:00:58 |1/069| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 16:01:44 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:01:48 |1/066| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:11:34 |1/080| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 59.25°C 2021-09-22 16:11:48 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:11:53 |1/067| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:21:00 |1/068| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 16:21:53 |1/069| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:21:58 |1/070| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:31:58 |1/068| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:32:03 |1/069| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:41:02 |1/070| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 100.0% @ BDR DHW Relay 2021-09-22 16:42:03 |1/069| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:42:06 |1/069| ACTUATOR_STATE | I | BDR DHW Relay -> BROADCAST MESSAGE | ON 2021-09-22 16:42:20 |1/075| DHW_TEMPERATURE | I | DHW DHW Temperature -> BROADCAST MESSAGE | 60.29°C 2021-09-22 16:42:20 |1/071| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay 2021-09-22 16:43:20 |1/071| RELAY_HEAT_DEMAND | I | CONTROLLER -> BROADCAST MESSAGE | 0.0% @ BDR DHW Relay
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