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VariTrac Installation 

Workshop 3 

VariTrac Installation 

 

Goal: You will install a VariTrac CCP , zone controllers, and communicating sensor/bypass 
damper control in this workshop. You will also install 24Vac power, the Comm4 communications 
link and zone sensor wiring. Sections of this workshop include the following:  
 

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Install VariTrac UCMs and digital zone sensor 

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Install Communicating Bypass Damper assembly 

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Install VariTrac Central Control Panel 

 

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Startup VariTrac and setup system from operator display 

 

Reference:   VariTrac Central Control Panel Installation Manual  (VAV-SVN03A-EN) 

 

        VariTrac Central Control Panel Operators Guide  (VAV-SVP01A-EN) 
 

 
Job Description:  

A VariTrac III and Tracker 10 will be installed at B&R Specialty Metals. The VariTrac CCP is 
applied to the office area HVAC system. This HVAC system consists of Voyager CV unit 
supplying 3 separately controlled zones. VariTrac is applied as a changeover bypass system and 
uses a bypass damper assembly to monitor and control supply air static pressure and 
temperature.  VariTrac devices required for this job include the following: 
 

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 VariTrac 

CCP 

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 VariTrac 

UCMs 

(3) 

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Zone sensors (3) 

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Communicating Bypass Damper assembly 

 
Tracker is used to control the warehouse area and brazing workshop. Tracker controls scheduling 
of the warehouse rooftop unit, exhaust fans for the restroom and brazing workshop, outdoor 
lighting, and occupancy for the Varitrac system.  

 

03- VariTrac Installation Workshop.doc

  

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Summary of Contents for VariTrac

Page 1: ...de VAV SVP01A EN Job Description A VariTrac III and Tracker 10 will be installed at B R Specialty Metals The VariTrac CCP is applied to the office area HVAC system This HVAC system consists of Voyager...

Page 2: ...hrough 27 1 Set the address DIP switches on each of the UCM boards to addresses 1 2 and 3 2 Connect UCM Comm4 wiring to terminalsTB2 1 and TB2 2 TB2 3 and TB 2 4 on each UCM using the pre configured w...

Page 3: ...______________________________ Question Will the comm link function even though the electrician swapped polarity at one of the Comm4 devices ______ Why or why not ________________________ 4 Install a...

Page 4: ...b equipment and remove metal cover 7 Verify address DIP switches on the communicating sensor bypass UCM board are set to address 33 Note The communicating sensor assembly UCM address DIP switches are...

Page 5: ...en the bypass damper actuator and communicating sensor bypass assembly if using the cable shipped with the bypass damper actuator unit ______________ Install VariTrac Central Control Panel Reference V...

Page 6: ...rac termination board Note A dedicated 24 Vac 30VA Class 2 transformer is required to power the VariTrac Central Control Panel The ground wire TB2 3 is connected to the circuit breaker panel 12 Connec...

Page 7: ...Comm4 link are correctly terminated at the VariTrac termination board 14 Install Main logic board onto the VariTrac termination board module 15 Install the VariTrac operator display module onto the m...

Page 8: ...te when the operator displays the normal Home Screen 18 The VariTrac home screen should display as shown in the screen capture Note Calibration mode is active occurs after an initial start up sequence...

Page 9: ...Setpoint to 100 0 22 Press Advanced then System setup and Status finally System Status 23 Record the following and be prepared to explain the recorded values HVAC Unit Comm ___________________ HVAC Co...

Page 10: ...VariTrac Installation You have completed this workshop 03 VariTrac Installation Workshop doc 3 10...

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