8000 Vaillant: re-boost hot water every 15m by andig · Pull Request #20752 · evcc-io/evcc · GitHub
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Vaillant: re-boost hot water every 15m #20752

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Merged
merged 1 commit into from
Apr 21, 2025
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Vaillant: re-boost hot water every 15m #20752

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30 changes: 29 additions & 1 deletion charger/vaillant.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,18 +93,46 @@ func NewVaillantFromConfig(ctx context.Context, other map[string]interface{}) (a
systemId := homes[0].SystemID
heating := cc.HeatingSetpoint > 0

wwCancel := func() {}

set := func(mode int64) error {
switch mode {
case Normal:
if heating {
return conn.StopZoneQuickVeto(systemId, cc.HeatingZone)
}

wwCancel()
return conn.StopHotWaterBoost(systemId, sensonet.HOTWATERINDEX_DEFAULT)

case Boost:
if heating {
return conn.StartZoneQuickVeto(systemId, cc.HeatingZone, cc.HeatingSetpoint, 4) // hours
}
return conn.StartHotWaterBoost(systemId, sensonet.HOTWATERINDEX_DEFAULT) // zone 255

if err := conn.StartHotWaterBoost(systemId, sensonet.HOTWATERINDEX_DEFAULT); err != nil {
return err
}

var wwCtx context.Context
wwCtx, wwCancel = context.WithCancel(ctx)

// re-boost every 15m
go func() {
for {
select {
case <-wwCtx.Done():
return
case <-time.After(15 * time.Minute):
if err := conn.StartHotWaterBoost(systemId, sensonet.HOTWATERINDEX_DEFAULT); err != nil {
log.ERROR.Println("hot water boost:", err)
}
}
}
}()

return nil

default:
return api.ErrNotAvailable
}
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