Summer / winter mode

Access 4.x

Summer/winter mode

Summer/Winter mode enables additional temperature setpoint for warm season in following temperature modes:

1. Supply air

3. Room cascade

4. Extract air cascade

Summer/Winter mode serves as a switch in temperature control modes:

5. Room (summer) else supply air

6. Extract air (summer) else supply air

Settings and configuration for Summer/winter mode (Calendar switch)
	Variable	Available options & Selection	Note
	Summer/winter mode
	Configuration > Functions > Temperature control
	Summer/Winter mode	\| Yes \| No \|
	Type of switch summer/winter	\|Calendar \| Changeover \| Digital input \| Outdoor temperature \|
	Calendar switch settings
	Time settings > Schedule > Summer/Winter calendar
	Date for start of summer period	[1]	Default starting date for summer mode: 1st of April
	Month for start of summer period	[4]	Default starting date for summer mode: 1st of April
	Date for end of summer period	[1]	Default ending date for summer mode: 1st of October
	Month for end of summer period	[10]	Default ending date for summer mode: 1st of October


Settings and configuration for Summer/winter mode (Changeover switch)
	Variable	Available options & Selection	Note
	Summer/winter mode
	Configuration > Functions > Temperature control
	Summer/Winter mode	\| Yes \| No \|
	Type of switch summer/winter	\|Calendar \| Changeover \| Digital input \| Outdoor temperature \|	Standard daylight-saving time change. Wintertime: Start - Last Sunday of October End - Last Sunday of March


Settings and configuration for Summer/winter mode (Digital input switch)
	Variable	Available options & Selection	Note
	Summer/winter mode
	Configuration > Functions > Temperature control
	Summer/Winter mode	\| Yes \| No \|
	Type of switch summer/winter	\|Calendar \| Changeover \| Digital input \| Outdoor temperature \|
	Allocate digital input
	Configuration > I/O allocation settings > Digital inputs
	Summer/(Winter) mode	Any available I/O


Settings and configuration for Summer/winter mode (Outdoor temperature switch)
	Variable	Available options & Selection	Note
	Summer/winter mode
	Configuration > Functions > Temperature control
	Summer/Winter mode	\| Yes \| No \|
	Type of switch summer/winter	\|Calendar \| Changeover \| Digital input \| Outdoor temperature \|
	Outdoor temperature switch settings
	Data & Settings > Temperature control > Supply air controller (… > Extract air controller, … > Room controller)
	Outdoor temp for switch between summer/winter	[13.0] oC	Switch to summer mode is above switch temperature 13.0 oC. Switch to winter mode: starting at and below 13-1 = 12 oC.
	Outdoor temp hysteresis for switch between summer/winter	[1.0] oC