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 Model TSC/TSR Pressure

 Model COC Pressure

INSTALLATION/OPERATING INSTRUCTIONS

Two Stage Set Point Control

Ranges 0 - 30, 0 - 100, and 0 - 200 psi

Warning:

  This Heat-Timer

 control is strictly an operating control;  it should never be used as a primary

limit or safety control.  All equipment must have its own certified limit and safety controls required by local
codes.  The installer must verify proper operation and correct any safety problems prior to the installation
of this Heat-Timer control.

LIMITED ONE YEAR WARRANTY

This Heat-Timer device was thoroughly tested for defects and workmanship before leaving our factory.  We do warrant the equipment to

be free of defects under normal use for a period of one year from the date of installation.  Transportation charges for factory repairs must

be prepaid.  Damage to the Heat-Timer device or any of its components due to misuse, abuse, improper installation, or caused by power

failures, fire, flood, or lightning are not covered by this warranty.  The company assumes no liability for indirect or consequential damages

of any nature.  This Heat-Timer warranty applies only to the original purchaser/user, is not assignable or transferable, and does not cover

damage to the device occurring in shipment. Any service, repairs, modifications or alterations to the unit not expressly authorized by the

company will invalidate the warranty.  This warranty is in lieu of all other warranties expressed or implied.

R

 Blue
 Blue

 Black

 Black

Red

Red

OUTPUT

UP

DOWN

PRESS TO READ

Output 1

Digital display reads
sensor value constantly

To power with
120VAC connect
to these wires

To power with 24VAC
connect to these two
terminals

Red light indicates

output status

Push these buttons to
adjust the settings

Push this button to display

the set points, differential

and offset

Output 2

SENSOR                    24VAC

+

_

Black Red

Wire to 0-30, 0-100 or 0-200 psi pressure

transducer observing the polarity

= Set Point 1

= Set Point 2
= Differential
= Offset

= Shorted Sensor

= Open Sensor

Summary of Contents for Digi-Span TSC Pressure

Page 1: ...nstallation or caused by power failures fire flood or lightning are not covered by this warranty The company assumes no liability for indirect or consequential damages of any nature This Heat Timer wa...

Page 2: ...cer wires can also be connected to the back of the Digi Span using the Rear Wire connector Connect the BLACK sensor wire to yellow Rear Wire and the RED sensor wire to the orange Rear Wire Wiring the...

Page 3: ...TSC TSR only If the display shows H then the Digi Span will be in a heating mode The relays will close when the pressure is below the set point see Example on pg 6 If the display shows C then the Digi...

Page 4: ...2 is energized or open as shown in the Example When Output 2 is energized the Red output wires will be continuous When Output 2 is open the Red output wires will be open To adjust Set Point 2 use the...

Page 5: ...e display will flash Then the Digi Span will return to displaying the sensor pressure If you don t want to wait 10 seconds press the center button once for Offset or twice for the sensor pressure to b...

Page 6: ...ed and will switch again every 24 hours To adjust Set Point 2 use the following steps 1 Digi Span should be displaying sensor pressure 2 Press the center button twice and release it The display will c...

Page 7: ...ash Then the Digi Span will return to displaying the sensor pressure If you don t want to wait 10 seconds press the center button once for Offset or twice to display sensor pressure immediately Offset...

Page 8: ...UTPUT Red Light does not indicate desired stages are active Check the set points and differential values In a heating application the stage will not come on until the pressure drops below the set poin...

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