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9

VSP Digi-Elite Installation & Operation Manual

Setting the Control to Factory Default

To Reset the VSP 

Elite

 control to its original factory defaults, power down the control.  Hold down the 

SET and DOWN buttons while powering the control back up until the Loading Default Values screen 

appears.  The Display will direct you to the Startup menu after the defaults are loaded to program the 

control.

SET

SET

SET

SET

SET

SET

Loading Default

Values...

 ALERT

When resetting the control to original factory defaults all 

control settings will be over written and will no longer exist.

Default Display

The default display will show the current Secondary Loop/System temperature and the Target 

temperature.  In addition, by clicking the Up or Down button, the display will show the current 

Outdoor temperature and the current Return temperature, only if the return sensor is connected to 

T3±

 

terminals.  However, if no return sensor is connected, the control will display the current Outdoor 

temperature and the Outdoor Cutoff on a click on the up or down buttons.

SYSTEM= 

148 F

TARGET= 

150 F

SET

SET

SET

SET

SET

SET

SET

SET

SET

SET

SET

SET

Outdoor= 

48 F

Return= 

125 F

Outdoor= 

48 F

Cutoff= 

65 F

Summary of Contents for DIGI-SPAN VSP Elite

Page 1: ...for specialized buildings a manual pump speed control to manually adjust the pump speed based on a well balanced system and a minimum pump speed adjustment to allow for pump operation at all heating l...

Page 2: ...ng Type of Radiation in Building Reset Ratio Offset Radiators Steel Cast Iron 1 00 O 1 00 S 0 F Baseboard Finned copper tube Cast Iron 1 00 O 1 00 S 0 F Radiant High Mass Concrete 4 00 O 1 00 S 10 F R...

Page 3: ...h side of the building Be sure the location is away from doors windows exhaust fans vents or other heat or cool sources The sensor should be mounted approximately 10 feet above ground level Adhere the...

Page 4: ...op between the Secondary Loop and the Boiler Loop The VSP Elite will control the Injection Pump up to a maximum output of 1 2 Amp 1 8 HP i e B G NRF 33 Taco 0010 Grundfos 26 64 or equivalent The pump...

Page 5: ...ng The Injection Pump and pipe size selection MUST be done properly by a qualified engineer or trained technician to insure proper operation and prevent excessive or under heat zones as well as hazard...

Page 6: ...n the Default Screen is displayed pressing the SET Button views the MENU When in the Menus and settings the SET Button accepts the selected entry or setting value When in the menus pressing the Up and...

Page 7: ...et SYS Temp 1 100 F CONTROL MODE Outdoor Reset Set Point OUTDOOR RESET Reset Ratio 7 Offset 0 F Cutoff 60 F Min Tgt 120 F Max Tgt 200 F Back Cutoff 70 F Reset Ratio O S Custom 1 8 00 1 00 2 4 00 1 00...

Page 8: ...Output On Output Off Sensor Fault Options Output On Output Off Default Output On SET System Startup Sensor Fault The Sensor Fault will determine the operating status of the output relays when a senso...

Page 9: ...factory defaults all control settings will be over written and will no longer exist Default Display The default display will show the current Secondary Loop System temperature and the Target temperatu...

Page 10: ...election to 1 25 O 1 00 S The Custom option gives the user the capability of creating a specialized Reset Ratio curve Setting two points on the Reset Ratio chart generates the customized curve Each po...

Page 11: ...utdoor Cutoff setting screen will automatically appear after the temperature Set Point has been selected and saved Cutoff 60 F The outdoor and its cutoff temperatures can be viewed from the default sc...

Page 12: ...losing shorting the P terminals using an external timer N O S P S T Output Wiring 120VAC Power Wiring 120VAC Power Source BLACK BLACK Boiler Output Wiring N O YELLOW T1 T2 T3 COM COM T3 EXT EXT P P CO...

Page 13: ...50 Minimum Speed Adjustment Options From 5 to 5 Default 0 T T T T T SET Maintenance Min Speed This is the slowest speed at which the VSP Elite is allowed to run the Injection Pump The VSP Elite will...

Page 14: ...at the boiler or other hot water source is providing hot water to the Boiler Loop and no valve obstruction between the Boiler Loop and the Injection Loop Check that the Injection Pump is running by me...

Page 15: ...Secondary Loop Pump Heat Load Balancing Valve T1 T2 COM COM T3 T3 EXT EXT P P System Sensor Outdoor Sensor Enable Dry Contact Setback Dry Contact Boiler SYS Pump DHW Pump SET C O R P O R A T I O N R...

Page 16: ...ve Maximum 1 8HP at 120VAC 50 60Hz Control Modes Outdoor Reset Set Point Reset Ratios 12 Standard ranging from 8 1 to 1 4 Outdoor System and one Custom Setback from 0 F 0 C to 80 F 44 C Boost Yes 30Mi...

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