USER MENU
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Item | Description | Default | to select | Comments | |||
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bIn | Binary Input | Off | On or Off | The default setting of Off will have no affect on the | |||
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| operation of the thermostat. When set to On, it allows |
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| an external binary input (switch or relay) to start a tem- |
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| perature set back. See Set Back (Sb). |
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Sb | Set Back | 0 | 0 to 50 | Selects the number of degrees the thermostat will | |||
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| change the setpoint temperature when the external |
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| binary input signal is received. 0 will cause no tempera- |
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| ture change to occur. See Binary Input (bin). |
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AL | Alarm | 0 | 0 to 99 | Selects the time delay (in minutes) before a Tempera- | |||
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| ture Out of Range alarm output is sent. |
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| A setting of 0 disables the alarm relay. |
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OPERATION
This control is a temperature control and is not to be used as a temperature limit control.
To prevent scald injury, do not use this control to heat water for bathing, washing, hot tub or similar applications.
The factory default setpoint for this control is 45°F (7°C) for Cool and 120°F (49°C) for Heat. Setpoint temperature can be adjusted using the or keys. A power loss does not lose the settings. All menu item selections and setpoint set- ting are stored in a permanent memory.
The user determines the temperature operating range. To determine the temperature range, the user must select the Set Point (SP) as the Cut Out or Cut In temperature, Dif- ferential (dFF) and enter a set point temperature. Cut out is when the load is turned off and cut in is when the load is turned on.
NOTE: The Heat/ Cool switch (SW1) MUST be in the proper position BEFORE setting options.
COOL/REFRIGERATION
To use as a Cooling control, SW1 must be set to Cool. The snowflake () icon will display.
If control is in Cool mode, and Set Point is selected as the
Cut In: |
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Temperature |
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Operating | = Setpoint |
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| – | Differential | ||
Range | Temperature | (minus) | |||||||
Example: |
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SW1 = Cool |
| Temperature Range |
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| 40° Setpoint (Cut In) |
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Set Point (SP) = Cut In |
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| 35° | ||
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Differential = 5 |
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Setpoint temperature = 40° |
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If control is in Cool mode, and Set Point is selected as the Cut Out:
Temperature |
| Setpoint |
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Operating | = | + |
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Temperature |
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Range |
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Example: |
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| 45° |
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SW1 = Cool |
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| Temperature Range |
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Set Point (SP) = Cut Out |
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| 40° Setpoint (Cut Out) | ||||
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Differential = 5 |
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Setpoint temperature = 40° |
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HEAT
To use as a Heating control, SW1 must be set to Heat. The flame () icon will display.
If control is in Heat mode, and Set Point is selected as the Cut Out:
Temperature |
| Setpoint |
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Operating | = |
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Temperature |
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Range |
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Example: |
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SW1 = Heat |
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| Temperature | Range |
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| 100° Setpoint (Cut Out) | |
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Set Point (SP) = Cut Out |
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| 95° | |||||
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Differential = 5 |
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Setpoint temperature = 100° |
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If control is in Heat mode, and Set Point is selected as the | ||||||||||||||||
Cut In: |
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Temperature |
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Operating | = |
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| Differential | |||||
Temperature |
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Range |
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Example: |
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SW1 = Heat |
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| emperature ane |
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| 105° | |||
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Set Point (SP) = Cut In |
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| 100° Setpoint (Cut In) | ||||||
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Differential = 5 |
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Setpoint temperature = 100° |
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5