tekmar 557 Thermostat User Manuals - Manual (Page 9)

© 2012 557_U - 08/12
9 of 12 A Watts Water Technologies Company
Time Menu Settings
Set date, month and year
Required for daylight savings time.
Daylight Save
Automatic daylight saving time update for the spring and fall.
Time Mode
Select either 12 or 24 hour time format.
Clock
Select on to display the time clock in the Home menu (available when schedules
are not used).
Schedule Menu Settings
Energy savings can be acheived by lowering the heating temperature and increasing
the cooling temperature when the building is unoccupied or during the night.
When operating on a programmable schedule, a or a symbol is shown in the
home menu. The or indicates the current operating temperature.
All schedules are stored in permanent memory and are not affected by a
loss of power.
Display Action
Day temperature
Night temperature
This thermostat can operate on a programmable schedule in order to automatically
lower the heating temperature and increase the cooling temperature setting. Options
include:
Turning off the schedule (OFF)
Operate a schedule that applies only to this thermostat zone (ZONE)
The ability to operate one of the four system-wide schedules as a master (Schedule
Master 1 through 4*)
Join one of the four system-wide schedules as a member (Schedule Member
1 though 4*)
*Requires the thermostat to be connected to a tekmarNet ® system.
Once the type of schedule has been selected, the thermostat can support schedules
that have either:
2 events per day
4 events per day
Schedules with four events per day are common for residential use while two events
per day are common for commercial installations.
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