VTC-1D user manual
Contents
1. one for the red wire one for the black wire and one for both Strip the ends of the wires and then twist them together Solder the wires together using rosin core flux soldet DO NOT use acid core solder Slide the heat shrink tubing over the solder joints a oe Shrink the tubing using a heat gun Getting started When power is applied to the VI C 1D the following displays 1 BE displays for approximately 0 25 seconds start up 2 0 displays for approximately 1 second self test 3 60 displays for approximately 1 second The 40 indicates that the power system is 60Hz 4 The display flashes between the temperature display and PF The PF indicates a power interruption has occurred To clear the PF click the switch to the right The control is now in normal mode Display alerts Alert Description FO The temperature probe or sensor cable has short circuited p cl The temperature probe is damaged or the connecting wire is broken The Temperature knob has accidentally been turned The display will alternately flash 5 and the ambient temperature The control will not accept the new setting until the switch is clicked to the set position or The voltage switch is set to 230 volts but the incoming power is 115 volts Check the voltage switch The power has been interrupted The display will flash between PF and the temperature To clear the alarm click the switch to the right The control will functi2. or above 86 F the fan operates at maximum speed 11140010 9 VTC 1D user manual Phason Example 2 idle mode Set point Differential Off set back Idle speed 80 F 6 F off 20 The fan runs at full speed 86 Differential i 6 above the Fan speed increases with an increase in i temperature set point temperature decreases with a decrease in temperature 80 Temperature set point The fan runs at idle speed Idle speed r4 DR O O D M EE E B E E 0 100 Fan speed When the temperature is below 80 F the temperature set point the fan operates at idle speed When the temperature is between 80 F and 86 F the differential temperature fan speed changes proportionally with the temperature If the temperature increases fan speed increases If the temperature decreases fan speed decreases When the temperature is at or above 86 F the fan operates at maximum speed 10 2009 06 19 Phason VTC 1D user manual Maintaining the VTC 1D Proper care and maintenance will help your VT C 1D last longer To prevent damage to the control perform the following steps after the first two weeks of operation and once a year after that 1 Switch off the power to the control 2 Remove the cover and check inside for moisture If there is any moisture wipe it away using a dry cloth 3 Check all cable entry points to make sure they are properly sealed If they are not properly sealed apply
3. voltage If you are unsure see your fan dealer for the minimum idle voltage for your fan motor Press and hold the switch to the right Turn the Temperature knob to the desired temperature set point while holding the switch to the right The temperature set point can be between 32 and 98 F 0 and 38 C 2009 06 19 Phason VTC 1D user manual Operation Example 1 shut off OSB mode Set point Differential Off set back Idle speed 80 F 6 F 5 F 20 The fan runs at full speed 86 Differential gt 6 above the Fan speed increases with an increase in 3 temperature set point temperature decreases with a decrease in temperature 80 Temperature set point The fan runs at idle speed 75 Off set back 5 below the l temperature set point 6 The fan is off Idle speed LY rtr 0 100 Fan speed When the temperature is below 75 F the fan is off When the temperature increases to 75 F the off set back temperature the fan operates at full speed for three seconds for de icing then at idle speed 20 The fan runs at idle speed when the temperature is between 75 F and 80 F the temperature set point When the temperature is between 80 F and 86 F the differential temperature fan speed changes proportionally with the temperature If the temperature increases fan speed increases If the temperature decreases fan speed decreases When the temperature is at
4. Phason VTC 1D user manual VTC 1D user manual The Variable Temperature Control WTC 1D automatically controls the temperature in a room by adjusting the speed of variable speed fans When the temperature is at the temperature set point the VT C 1D operates the fans at the idle speed setting When the temperature exceeds the set point the VT C 1D increases the speed When the temperature drops below the set point the VTC 1D shuts off the fans in shut off mode or operates the fans at idle speed idle mode Features One variable speed output Fahrenheit and Celsius display Automatic shut off and idle modes Error code display for troubleshooting Adjustable off set back for shut off mode Overload protection fuse Adjustable idle speed for idle mode Six foot temperature probe extendable to 500 Adjustable temperature set point net Adjustable temperature differential E Sing or Three second full power turn on to minimize CSA approval fan ice up Tye cise LED dieplay Two year limited warranty Electrical ratings Input 115 230 VAC 50 60 Hz Variable stage 10 A at 120 230 VAC general purpose resistive 7 FLA at 120 230 VAC PSC motor 1 2 HP at 120 VAC 1 HP at 230 VAC PSC motor Fuse 15 A 250 VAC ABC type ceramic The FLA full load ampere rating accounts for the increase in motor current draw when the motor operates at less than full speed Make sure the motor equipment connected t
5. e Example 1 shut off OSB mode on page 9 Idle mode In idle mode the fan runs at the idle speed when the temperature is below the temperature set point For more information see Example 2 idle mode on page 10 11140010 5 VTC 1D user manual Phason To set the mode of operation 1 Press the switch to the right to start at the beginning of the parameter list 2 Press the switch to the left two times and then hold For auto shut off mode the display flashes between 05 and the setting For idle mode the display shows id 3 To set the control for auto shut off mode turn the trimmer to the desired off set back using a small flat screwdriver To set the control for idle mode turn the trimmer fully clockwise See section D of the diagram on page 3 for the location Setting the temperature set point The temperature set point is the desired temperature It is also the reference for the off set back and differential temperature settings For more information see Example 1 shut off OSB mode on page 9 and Example 2 idle mode on page 10 To display and adjust temperature set point 1 Press and hold the switch to the right 2 Turn the Temperature knob to the desired setting while holding the switch to the right The temperature set point can be between 32 and 98 F 0 and 38 C 3 Release the switch You must hold the switch to the right while turning the knob If this is not done correctly the display flashes betwee
6. g the power set the switch to the correct setting RN ZE Fuse 15 A 250 VAC ceramic 20 F 16 F sw idle mode Temperature A Off set back idle 1 F differential set 41 F set mode Fahrenheit PRE Celsius Ee Important A suitable switch must be installed between the control and the motor Important II est essentiel qu un interrupteur convenable soit install entre le contr le et le moteur Caution For controlling shaded pole permanent split capacitor or universal motors only Caution Destin uniquement la commande de moteurs universels bague de d phasage ou condensateur permanent Connect all ground wires to the grounding terminal located near the cable entry points Use liquid tight connectors at the cable entry points and seal with an RTV silicone 11150502 To the control You can extend temperature probe cables to lengths of up to 500 feet Follow the temperature probe guidelines and the guidelines below when extending cables Use two wire 18 AWG jacketed cable Phason recommends Belden 9408 Alpha 5052 or an equivalent Extension cable is also available from Phason For more information contact your dealer or Phason If the unit operates erratically with the extended probe run the cable along a different path or shorten it 11140010 VTC 1D user manual Phason To extend probe cables 1 Slide three pieces of heat shrink tubing over the wires
7. he VTC 1D to the mounting surface using the fours screws provided 2 2009 06 19 Phason Wiring the VTC 1D 1 Set the voltage switch A to the correct position for the line voltage used 2 Set jumper E to the correct position for the temperature units Fahrenheit or Celsius you want to use 3 Connect the incoming power and load wires as shown in the diagram Connecting the temperature probe Follow the guidelines below and connect the temperature probe as shown in the diagram Do not run the probe cable in the same conduit as AC power cables Do not run the sensor cable beside AC power cables or near electrical equipment When crossing other cables or power lines cross them at a 90 degree angle Using four zone averaging The VTC 1D can monitor the temperature in four different zones The control takes an average of the four temperatures and operates according to the average temperature To use four zone averaging you must connect four temperature sensors to the unit Connect the probes as shown to the right Extending probe cables VTC 1D user manual Probe W Insulate using a 31 wire nut or similar connector Service box Blue Q Of 0 Neutral L2 Line L1 e 4 Enclosure z 230 VAC 115 VAC O Before connectin
8. hold the switch to the right Turn the Temperature knob fully clockwise while holding the switch to the right Release the switch The fan should be off Press and hold the switch to the right Slowly turn the Temperature knob counter clockwise When the fan runs at full speed stop turning the knob and release the switch The fan runs at full speed for approximately three seconds and then at the idle speed The Temperature knob should be approximately one degree higher than the display temperature Slowly adjust the Idle Speed knob until the fan runs at the proper idle speed A voltmeter is helpful for determining the voltage If you are unsure see your fan dealer for the minimum idle voltage for your fan motor Press and hold the switch to the right Turn the Temperature knob to the desired temperature set point while holding the switch to the right The temperature set point can be between 32 and 98 F 0 and 38 C Setting minimum ventilation in idle mode There must be a temperature probe connected before adjusting the idle speed To adjust the idle speed 1 2 3 4 Turn the Idle Speed knob fully counter clockwise Press and hold the switch to the right Turn the Temperature knob fully clockwise while holding the switch to the right Release the switch The fan should be running at idle speed Slowly adjust the Idle Speed knob until the fan runs at the proper idle speed A voltmeter is helpful for determining the
9. ial of 5 F with a motor that has a power factor of 0 5 set the differential to 8 0 F 5 F x 1 6 8 0 F If you do not know the power factor calculate the correction as follows 1 Set the idle speed properly For more information see Setting minimum ventilation in idle mode on page 8 2 Set the differential to 10 F with the internal trimmer Note the temperature T1 in the digital display 3 Press and hold the switch to the right and adjust the temperature set point to equal the temperature from step 2 The fan operates just above the idle speed 4 Slowly decrease the temperature set point and listen to the fan increase in speed When the motor reaches full speed note the temperature set point T2 5 Calculate the correction using the following formula Correction 10 F T2 T1 Example 3 For a T1 temperature of 75 F and a T2 temperature of 82 F the correction is 1 43 10 F 82 F 75 F 1 43 lf the desired differential is 5 F the actual differential can be calculated as follows 5 F x 1 43 7 15 F Set the differential to 7 F for an actual differential of 5 F 11140010 7 VTC 1D user manual Phason Setting minimum ventilation in auto shut off mode There must be a temperature probe connected before adjusting the minimum ventilation To adjust the idle speed 1 2 3 4 wn Turn the Idle Speed knob fully countet clockwise and then 1 4 turn clockwise Press and
10. n ES and the temperature display This means the knob has been turned without holding the switch The control will not accept the new setting until the switch is clicked to the right Setting the differential temperature The differential is the number of degrees above the temperature set point that the fan reaches maximum speed For example if the temperature set point is 80 F and the differential is 6 F the fan will be at maximum speed at 86 F For more information see Example 1 shut off OSB mode on page 9 and Example 2 idle mode on page 10 To display and adjust the differential 1 Press the switch to the right to start at the beginning of the parameter list 2 Press and hold the switch to the left The display flashes between d i and the setting 3 Adjust the internal trimmer using a small flat screwdriver See section C of the diagram on page 3 for the location 6 2009 06 19 Phason VTC 1D user manual The difference in motor power factors can cause the actual differential to be less than the displayed value If the power factor of the motor is available use the correction numbers and formula below to calculate the correct differential setting Correction F actual differential desired differential x correction Example 1 To have an actual differential of 6 F with a motor that has a power factor of 0 7 set the differential to 7 5 F 6 F x 1 25 7 5 F Example 2 To have an actual different
11. o the variable stage does not draw more than 7 FLA 11140010 1 VTC 1D user manual Phason Installing the VTC 1D The VTC 1D must be installed by a qualified electrician Before installing or servicing the VTC 1D switch OFF the power supply at the source Install the VTC 1D and all equipment connected to it according to local electrical codes Mount the unit on a sheltered vertical surface with the electrical knockouts facing down Use a screwdriver to tighten the screws in the enclosure Do not use a drill or over tighten the screws this can crack the enclosure and ruin the watertight seal Use the electrical knockouts for bringing wires or cables into or out of the enclosure Use watertight strain reliefs or conduit connectors at all cable entry points Before removing electrical knockouts remove the cover to prevent damaging the control Do not make additional holes in the enclosure this can damage the watertight seal or components and void the warranty Only permanent split capacitor motors appropriate for variable speed control or shaded pole motors can be used on the variable stages Fill out the information below to help configure your control and verify that you do not exceed the electrical ratings of the VT C 1D eee PE P P ee x B Maximum current draw eee fan PE P of fans P ee current draw e rating Power factor factor Mounting the VTC 1D 1 Remove the cover from the enclosure 2 Fasten t
12. on normally 4 2009 06 19 Phason VTC 1D user manual Displaying and adjusting parameters Switch position Function Displays the ambient temperature Allows you to view and adjust the temperature set point Clears alarms Allows you to view and adjust the differential d i off set back 05 and idle speed id Each time the switch is clicked and then held in this position the next parameter is displayed The display flashes between the parameter code two letters and it s setting two digits You can adjust the parameter at this point The cycle starts over after the last parameter To restart at the beginning of the cycle click the switch to the right jIdiespeed ts 0 99 NA External knob Temperature differential di 1 to 20 F 0 6t0120 6 F___ Internal trimmer _ Off set back F or C ambient temp 22 to 99 F 30 to 38 C About hysteresis The VTC 1D has a 1 F 0 5 C hysteresis This means the fan will turn off 1 F below the temperature at which it turned on For example if temperature set point is 75 F the fan turns on at 75 F off at 74 F This prevents the fan from flickering on and off when the temperature is at the set point Setting the off set back and selecting the mode of operation Auto shut off OSB mode In auto shut off mode also called OSB mode the fan shuts off when the temperature is below the off set back temperature For more information se
13. red to provide reliable performance but they are not guaranteed to be 100 percent free of defects Even reliable products can experience occasional failures and the user should recognize this possibility If Phason products are used in a life support ventilation system where failure could result in loss or injury the user should provide adequate back up ventilation supplementary natural ventilation or an independent failure alarm system The user s lack of such precautions acknowledges their willingness to accept the risk of such loss or injury Phason Inc 2 Terracon Place Winnipeg Manitoba Canada Phone 204 233 1400 E mail support phason ca R2J 4G7 Fax 204 233 3252 Web site _www phason ca 12 2009 06 19
14. rm year month day Phason hereby warrants that should this product fail because of improper workmanship Phason will repair the unit effecting all necessary parts replacements without charge for either parts or labor Conditions Installation must be done according to Phason s enclosed installation instructions The product must not have been previously altered modified or repaired by anyone other than Phason The product must not have been involved in an accident misused abused or operated or installed contrary to the instructions in our user and or installation manuals Phason s opinion about these items is final The person requesting warranty service must be the original purchaser of the unit and provide proof of purchase upon request All transportation charges for products submitted for warranty must be paid by the purchaser Except to the extent prohibited by applicable law no other warranties whether expressed or implied including warranties of merchantability and fitness for a particular purpose shall apply to this product Any implied warranties are excluded Phason is not liable for consequential damages caused by this product Phason does not assume or authorize any representatives or other people to assume any obligations or liabilities other than those specifically stated in this warranty Phason reserves the right to improve or alter the VTC 1D without notice Phason controls are designed and manufactu
15. silicone sealant around the entry points If you need to seal the enclosure use a sealant that is labelled as non corrosive electronics grade or neutral cure such as GE Silicone RTV6780B RTV 142 or RTV 162 Do not use a sealant that is labelled as acetic acid cure or acetoxy cure These sealants release acetic acid while curing which can damage the control and will void the warranty 4 Check all wires to make sure they are properly connected and that they are in good condition 5 Fasten the cover to the enclosure and then switch on the power to the control Cleaning the VTC 1D To clean the VIC 1D wipe the surface with a damp cloth Be careful when washing the room using a high pressure washer DO NOT spray the control using a high pressure washer this can damage the control and will void the warranty Evidence of moisture damage inside the control will void the warranty 11140010 11 VTC 1D user manual Phason Limited warranty This warranty applies only to the Phason Inc Phason Variable Temperature Control VTC 1D If you need warranty service return the product and original proof of purchase to your dealer Phason warrants the VTC 1D subject to the following terms and conditions This warranty is valid only to the original purchaser of the product for two years from the manufacturing date The manufacturing date is stated in the first eight digits of the serial number in the fo
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