Tekmar 156 Difference Setpoint Control Uživatelský manuál Strana 10

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© 2010 D 156 - 06/10 10 of 12
Program Menu (1 of 2)
Item Field Range Description Actual Setting
∆T
Source Maximum
Minimum
Storage ∆T • hoursDiff’l
2 to 90°F
(1 to 50°C)
Default = 10°F
(6°C)
∆T SETPOINT
The relay operates to transfer heat from
the source to the storage in order to
maintain the ∆T setpoint.
∆T
Source Maximum
Minimum
Storage ∆T • hoursDiff’l
2 to 45°F
(1 to 25°C)
Default = 5°F
(3°C)
∆T DIFFERENTIAL
This differential setting is used to prevent
short cycling of the pump when the ∆T is
near the ∆T setpoint.
∆T
Source Maximum
Minimum
Storage ∆T • hoursDiff’l
-22 to 185°F
(-30 to 85°C)
Default = 40°F
(4°C)
SOURCE MINIMUM SETPOINT
If the Source temperature drops below this
setpoint, the relay is turned off.
∆T
Source Maximum
Minimum
Storage ∆T • hoursDiff’l
2 to 45°F
(1 to 25°C)
Default = 10°F
(6°C)
SOURCE MINIMUM DIFFERENTIAL
This differential setting is used to prevent
short cycling of the pump when the Source
temperature is near the Minimum Source
Setpoint.
∆T
Source Maximum
Minimum
Storage ∆T • hoursDiff’l
-4 to 248°F
(-20 to 120°C)
Default = 180°F
(82°C)
STORAGE MAXIMUM SETPOINT
If the Storage temperature rises above this
setpoint the Relay is turned off.
Press and hold all three buttons simultaneously to enter
the Program menu. Use the Up or Down arrows to adjust
each setting and the Item button to switch between items.
PROGRAM MENU
Item
Continued on next page.
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