12598 2 Taco 0011 Vvf4 1Ifc Submittal User Manual
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User Manual: Pump 12598 2 Taco 0011-Vvf4-1Ifc Submittal
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Submittal Data Information 101-091 Variable Speed “00” Circulators Effective: November 1, 2003 ITEM NO. Supersedes: NEW Effective: 11/1/03 Submittal Data # 101-091 Supersedes: New Contractor: Submittal Data Information Job: Engineer: Variable Speed “00” Circulators Rep: MODEL NO. General Variable Speed “00” Circulator Features Variable Speed Outdoor Reset “00” Circulator (00-VR) Application • Available in all Styles of 003-0014 • All-in-One Pump / Control • Sensors Included • Easy to Wire • UL Approved • Snap-in PC Board • Fuse Protected • Plug-in Low Voltage Wiring Terminal • Optional Integral Flow Check Prevents Gravity Circulation Specially Designed for Variable Speed Systems Easy to Service Patented Outdoor reset controls the hot water supply temperature, so that the heat supplied to the building equals the heat loss by the building. The 00-VR modulates the circulator to inject hot water from the boiler loop into the radiant or reduced temperature loop while providing Outdoor Reset to a heating system (see figure A). Available in any style 003 – 0014, the 00-VR also comes with a boiler sensor to protect against low return temperatures. The 00-VR is the ultimate for protection, control, ease of installation, and trouble free operation. • Adjustable Heating Curve (0.2 to 2.2) • Selectable Maximum Supply Temperature (110°F, 130°F, 150°F, or Off) • Selectable Minimum Boiler Return Temperature (120°F, 135°F or Off) • Minimum Supply Temperature (85°F or Off – Default to Heating Curve) • System and/or Boiler Pump Contact (Line Voltage, 5 amp max.) • LED Status Panel • Pump Exercise (10 Seconds After 3 Days of No Operation) • Post Purge (20 Seconds) • Fail Safe Mode (Assumes Outdoor Temp of 32°F) • 2 Second Start Delay Prevents Short Cycling See applications brochure for additional schematics. Additional 00-VR (Outdoor Reset) Features Additional 00-VS (Set Point) Features • Adjustable Setpoint (30° - 210°F) • Adjustable Temperature Difference (∆T) (5° - 50°F) • Boiler Protection (135°F) • Boiler Protection as a Limit Control (75° - 165°F) • LED Status Panel • Direct or Reverse Acting • Selectable Output Response Speed • Linear or Logarithmic Output • Pump Exercise (10 Seconds After 3 Days of No Operation) Additional 00-VV (Variable Voltage) Features • 4 Signal Voltage Ranges (0-10 V(dc), 0-20 mA, 2-10 V(dc), or 4-20 mA) • Internal LED’s • Manual Operation Switch • Linear or Logarithmic Output • Pump Exercise (10 Seconds After 3 Days of No Operation) Do it Once. Do it Right. Outdoor Sensor Fig. A Supply Sensor 00-VR Boiler Sensor Direct Injection System Variable Speed Setpoint “00” Circulator (00-VS) Application The versatile Setpoint version of the Variable Speed “00” can be set up to deliver a fixed temperature, maintain a specific temperature drop between sensor locations (∆T), used as a bypass / shunt pump or integrated into a fan coil package to vary the speed of the pump based on supply air temperature. The 00-VS can be either direct acting (speed increases on a temperature decrease) or reverse acting (speed increases on a temperature increase). A typical direct acting (limiting setpoint) application would be for boiler protection, where the 00-VS is installed on a bypass loop (see figure B). If the return temperature starts to drop below the set temperature (75°- 165°F) then the speed of the pump will be increased, bypassing hot water to protect the boiler. Fig. B Fig. C 00-VS Boiler Sensor Bypass Injection System Supply Sensor 00-VS Boiler Sensor Direct Injection System See applications brochure for additional schematics. The 00-VS can be used in radiant injection mixing systems where you want to set a fixed supply water temperature (see figure C). Through the use of the setpoint dial on the PC board any temperature from 30°-210°F can be selected. If desired, a boiler protection sensor can be installed to protect the boiler from flue gas condensation. In the ∆T mode the pump speed is varied to maintain a set temperature drop (5°-50°F) across a boiler or heat exchanger, ideal for snowmelt applications. Variable Speed Variable Voltage “00” Circulator (00-VV) Application The Variable Voltage version of the Variable Speed “00” Circulator is designed to operate the pump at different speeds based on an externally generated analog voltage signal input. Its reliable operation, ease of installation and integration to DDC or building management systems allows for a wide variety of HVAC applications, such as maintaining a pressure differential or a setpoint temperature. The control accepts a 0-10 V(dc), 0-20 mA, 2-10 V(dc), or 4-20mA signal. H YDRONIC C OMPONENTS & S YSTEMS Taco, Inc., 1160 Cranston Street, Cranston, RI 02920 Telephone: (401) 942-8000 Fax: (401) 942-2360 Taco (Canada), Ltd., 6180 Ordan Drive, Mississauga, Ontario L5T 2B3 Telephone: (905) 564-9422 Fax: (905) 564-9436 Visit our website at: www.taco-hvac.com Taco Inc., 1160 Cranston Street, Cranston, RI 02920 / (401) 942-8000 / Fax (401) 942-2360 Taco (Canada) Ltd., 6180 Ordan Drive, Mississauga, Ontario L5T 2B3 / (905) 564-9422 / Fax (905) 564-9436 Printed in USA Copyright 2005 TACO, Inc.
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