FHC-1D Fan and Heater Control user manual
Contents
1. FAHRENHEIT SE AT THE CABLE ENTRY POINTS WHI TE NEUTRAL LI NE o CELSIUS EE N LMPORTANT A SUITABLE SW TCH MUST BE INSTALLED mae BETWEEN CONTROL AND MOTOR 2 BLACK LI NE ENCLOSURE E BASE D CAUTI ON FOR CONTROL OF SHADED POLE PERMANENT SPLIT CAPACI TOR OR UNI VERSAL MOTORS ONLY 111404 111407 rev 5 3 FHC 1D Fan and Heater Control user manual Phason Connecting equipment to the heater interlock The heater interlock output is a normally open relay contact that switches a heater or furnace ON or OFF The relay contacts close when the temperature is 2 F below the TEMP SET Connect the wires as shown below Use power contactors not supplied for electric heat or heat lamps Connect directly for most gas furnaces ELECTRIC HEAT HEATER INTERLOCK GAS FIRED FURNACE HEATER INTERLOCK HEATER INTERLOCK YELLOW WIRES YELLOW WIRES NORMALLY OPEN NORMALLY OPEN RELAY CONTACT RELAY CONTACT MAXIMUM RATINGS 1OFLA 115 230VAC YELLO YELLOW ELECTRIC HEAT 230V AC POWER Bere OF TOC ELECTRICAL THERMOSTAT SERVICE PANEL OUTPUT LINE 1 ELECTRIC SERVICE PANEL LINE 2 GAS FIRED FURNACE Lp 120VAC POWER CONTACTOR PART NO PC 120 240V AC POWER CONTACT2. counter clockwise When the fan runs full speed release the front cover switch and the Temperature knob The fan runs at maximum speed for approximately three seconds and then at IDLE The Temperature knob should be approximately one F higher than the temperature 4 Slowly adjust the Idle Speed knob until a satisfactory IDLE has been reached 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 5 Click the front cover switch to the right and adjust the Temperature knob to the desired temperature 6 Release the switch 12 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Adjusting minimum ventilation in IDLE SET mode 1 2 Turn the Idle Speed knob fully counter clockwise Click the front cover switch to the right and hold while turning the Temperature knob fully clockwise and then release the switch The fan should be running at IDLE Slowly adjust the Idle Speed knob until a satisfactory IDLE has been reached 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 Hold the front cover switch to the right and then adjust the Temperature knob to the desired temperature Release the switch Adjusting the idle speed IDLE The IDLE is the speed of the fan in IDLE SET mode In other words minimum ventilation IDLE is displayed as a
3. Fan and Heater Control user manual Phason Installing the FHC 1D The FHC 1D must be installed by a qualified electrician Before installing or servicing the FHC 1D switch OFF the power at the source Install the FHC 1D according to local electrical codes Electrical ratings 115 230 VAC 60 Hz 10 FLA 360 W tungsten Fuse 15 A 250 VAC ceramic Variable speed fan motors draw more current at reduced speeds than maximum speed Fan motor specifications show current draw at maximum speed Current over 10 A will cause overheating and eventual failure of the FHC 1D control Check current requirements for the fan motor by either measuring current draw at all speeds or consulting the dealer for information about that fan For controlling shaded pole permanent split capacitor or universal motors only When connecting electric heaters or brooder lamps and a furnace to the FHC 1D remember that operation voltages might be different This could damage the equipment Fill out the information below to help configure your control and verify that you do not exceed the electrical ratings of the FHC 1D A B AxB Fans Maximum current draw per fan Number of fans Total current draw Make Model Voltage rating Power factor Heater or furnace Maximum current draw Voltage rating Make Model 2 2005 04 20 Phason FHC 1D Fan and Heater Control user manu
4. OR PART NO PC 240 POWER CONTACTOR ENCLOSURE PART NO PC BOX NOTE WIRING DIAGRAMS SUPPLIED WITH POWER CONTACTORS 111423 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Connecting temperature probes Follow these guidelines and connect the temperature probe as shown below 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 FHC 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 below ZONE 1 ZONE 2 111407 rev5 5 FHC 1D Fan and Heater Control user manual Phason Extending temperature probe cables You can extend temperature probe cables to lengths of up to 500 feet Follow the guidelines below and on page 5 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 Join the extension cable to the temperature probe cable as shown on the n
5. Phason FHC 1D Fan and Heater Control user manual FHC 1D Fan and Heater Control user manual The Fan and Heater Control FHC 1D automatically controls the temperature in a room by adjusting the speed of variable speed fans and controlling a heater interlock When the temperature is at the temperature set point the FHC 1D operates the fans at the idle speed setting and the heater is off When the temperature exceeds the set point the FHC 1D increases the speed of the fans When the temperature drops below the set point the FHC 1D shuts off the fans in shut off mode or operates the fans at idle speed idle mode and switches on the heater or heat lamps The FHC 1D is ideal for poultry livestock greenhouse or light industrial buildings Features One variable speed output One heater interlock output Automatic shut off and idle modes Adjustable temperature set point Adjustable idle speed for idle mode 0 to 99 Adjustable temperature differential 1 to 20 F Adjustable off set back for shut off mode 0 to 16 F Three second full power turn on to minimize fan ice up Two digit LED display Fahrenheit and Celsius display Error code display for troubleshooting Overload protection fuse Six foot temperature probe extendable to 500 feet Rugged enclosure corrosion resistant water resistant and fire retardant CSA approval Two year limited warranty 111407 rev5 1 FHC 1D
6. al Mounting the FHC 1D When selecting a mounting location follow the guidelines below Select a location that is away from sources of heat Mount the control on a solid vertical surface Mount the control with the electrical knockouts facing down Failure to follow the mounting guidelines can allow moisture into the control and will void the warranty To mount the FHC 1D 1 Remove the cover from the enclosure 2 Attach the FHC 1D to the mounting surface using the fours screws provided Wiring the FHC 1D 1 Before wiring the control set the voltage switch to the correct line voltage used 115 or 230 VAC 2 Before removing electrical knockouts remove the cover to prevent damaging the control 3 Connect the wires as shown below EJ FUSE 15 AMP MAX 250V AC CERAM C f FOR 230V AC f E FOR 115V AC 1 NSUL ATE eea D W TH 31 i MARRETTE B TEMPERATURE g 20F OR SIMILAR A i C CONNECTOR See ee 8 CONNECT ALL GROUND WIRES B SEI Ser TO GROUNDING TERMINAL 16 F tLe LOCATED NEAR THE CABLE eh Gare aie NE wove ENTRY POINTS E zm OF BLUE TO FAN ADLE SET Ow rH MODE EEE EN A aa A 4 D FAHRENHELT 7 CELSIUS USE LIQUID TIGHT CONNECTORS Se TO FA ml PROBE Ep
7. 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 lable 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 FHC 1D without notice 111407 rev 5 15 FHC 1D Fan and Heater Control user manual Phason 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 16 2005 04 20
8. e calculated as follows 5 F x 1 43 7 15 F Set the DIFF to 7 F for an actual differential of 5 F 111407 rev 5 11 FHC 1D Fan and Heater Control user manual Phason Off set back IDLE SET Mode OSB OSB is the number of degrees Celsius or Fahrenheit below the TEMP SET that the fan will switch between OFF and IDLE IDLE mode provides minimum ventilation at temperatures below the TEMP SET For more information see Example 1 operation in off set back OSB mode on page 7 To display and adjust OSB 1 Click the switch to the right to start at the beginning of the parameter list 2 Click the switch to the left two times and then hold The display flashes between 05 and the setting If id is displayed the control is in IDLE SET mode 3 Use a small flat screwdriver to adjust the internal trimmer to the desired OSB or turn the trimmer fully clockwise to put the control into IDLE SET mode See section C of the diagram on page 3 for trimmer location Adjusting minimum ventilation in OSB mode There must be a temperature probe connected before adjusting the minimum ventilation 1 Turn the Idle Speed knob fully counter clockwise and then back 4 turn clockwise 2 Click the front cover switch to the right and hold while turning the Temperature knob fully clockwise and then release the switch The fan should not be running 3 Click the front cover switch to the right and hold while slowly turning the Temperature knob
9. eck 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 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 wites 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 FHC 1D To clean the FHC 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 14 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Phason controls are designed and manufactured 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 product
10. ext page If the unit operates erratically with the extended probe run the cable along a different path or shorten it gt Slide three pieces of heat shrink tubing over the wires one for the red wire one for the black wite and one for both Strip the ends of the wires and then twist them together Solder the wires together using rosin core flux solder DO NOT use acid core solder Slide the heat shrink tubing over the solder joints Shrink the tubing using a heat gun mog 0 W Your connection should look like this 6 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Operation description Example 1 operation in off set back OSB mode TEMP SET DIFF OSB IDLE 80 F 6 F 5 F 20 of max ventilation Off Set Back Mode Variable Speed Output eee ee g Fo Fan will run at y full speed Heater interlock is off Fan speed will increase ATA with an increase in temperature t ue and decrease with a decrease Z in temperature fos Fan will run at IDLE ieser interlock is on Fan is off ee Sr a Fan Speed 0 20 40 60 80 100 1 The fan will be off and the heater interlock will be on when the temperature is below 75 F 2 When the temperature increases to 75 F OSB the fan operates at full speed for three seconds then IDLE minimum ventilation
11. ll be on 2 The fan operates at IDLE 20 of maximum ventilation when the temperature is below 80 F 3 Between 80 F and 86 F DIFF the fan speed changes proportionally with the temperature If the temperature increases fan speed increases If the temperature decreases fan speed decreases 4 The fan operates at maximum speed when the temperature is at or above 86 F maximum ventilation 5 When the temperature drops the reverse happens 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Getting started When power is applied to the FHC 1D the following will be displayed 1 BB will be displayed for approximately 0 25 seconds start up 2 GU will be displayed for approximately one second self test 3 60 will be displayed for approximately one second 6U indicates that the power system is 60Hz 4 The display will alternately flash between the temperature and PF This indicates a power interruption or start up has occurred 5 To clear the PF click the switch to the right The control is now in normal mode ZLS If Pd or PS is displayed the probe is not connected properly For more information see Error codes on page 13 Changing the temperature display units The F C jumper lets you select whether the FHC 1D displays temperatures in degrees Fahrenheit or Celsius To change the setting position the jumper as shown in section D on page 3 About the hysteresi
12. motor is available use the correction numbers and formula below to calculate the correct DIFF setting Power Factor 1 0 0 9 0 8 0 7 0 6 0 5 Correction F 1 00 1 05 1 10 1 25 1 33 1 60 actual DIFF desired DIFF 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 DIFF to 7 5 F 6 F x 1 25 7 5 F Example 2 To have an actual differential of 5 F with a motor that has a power factor of 0 5 set the DIFF to 8 0 F 5 F x 1 6 8 0 F If you do not know the power factor measure the correction as follows 1 Ensure the IDLE is set properly See Adjusting minimum ventilation in IDLE SET mode on page 13 2 Set the DIFF to 10 F with the internal trimmer Note the temperature in the digital display 3 Hold the switch to the right and adjust the TEMP SET to equal the temperature The fan operates just above minimum idle speed 4 Slowly decrease the TEMP SET and listen to the fan increase in speed When the motor reaches full speed record the TEMP SET FULL SPEED TEMP SET 6 Calculate the correction using the formula on the below correction 10 F FULL SPEED TEMP SET TEMPERATURE Example 3 For a TEMPERATURE of 75 F and a FULL SPEED TEMP SET of 82 F the correction would be 1 43 10 F 82 F 75 F 1 43 If the desired differential is 5 F the actual differential can b
13. of 20 The fan will continue to IDLE between 75 F and 80 F At 78 F the heater interlock shuts off 4 Between 80 F and 86 F DIFF the fan speed changes proportionally with the temperature If the temperature increases fan speed increases If the temperature decreases fan speed decreases 5 The fan operates at maximum speed when the temperature is at or above 86 F maximum ventilation 6 When the temperature drops the reverse happens 111407 rev5 7 FHC 1D Fan and Heater Control user manual Example 2 control operation in IDLE SET mode Phason 86 0 mm 80 0 m Fan speed will increase with an increase in temperature and decrease with a decrease in temperature wee as nr Fan Speed 0 20 40 60 80 100 Fan will run at IDLE 78 0 TEMP SET DIFF OSB IDLE 80 F 6 F OFF 20 of max ventilation IDLE SET Mode Variable Speed Output eae tT re EA FING C X Fan will run at 4 full speed Heater interlock is off HHH Heater interlock is on 33333 co el Description of operation 1 Below 78 F the heater interlock wi
14. percentage of maximum speed For more information see Operation description on page 7 To display and adjust IDLE T 2 Click the switch to the right to start at the beginning of the parameter list Click the switch to the left four times and hold The display alternately flashes between Id and the setting Adjust the Idle Speed knob on the front cover to the desired fan speed Release the switch Error codes The FHC 1D has several error codes Display Description PS The temperature probe or sensor cable has short circuited Pd The temperature probe is damaged or the connecting wire is broken The Temperature knob has accidentally been turned The display will alternately flash tS and the ES temperature The control will not accept the new setting until the switch is clicked to the set position See the Temperature Display section on page 5 for more details pF 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 function normally 111407 rev 5 FHC 1D Fan and Heater Control user manual Phason Maintaining the FHC 1D Proper care and maintenance will help your FHC 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 ch
15. s The FHC 1D has a 1 F 0 5 C hysteresis This means the fan will turn off 1 F below the point it turned on For example if TEMP SET is 75 F the fan will turn on at 75 F off at 74 F This prevents the fan from flickering on and off at the TEMP SET 111407 rev 5 9 FHC 1D Fan and Heater Control user manual Phason Displaying and adjusting parameters Switch position Function CENTER Displays the temperature of the air surrounding the temperature probe RIGHT Allows viewing and adjustment of the TEMP SET Clears alerts ej ol Allows viewing and adjustment of the temperature differential d off set back o5 and idle speed id Each time the switch is clicked and held in this position the next parameter is displayed The display alternately flashes the parameter code two letters and its setting two digits You can then adjust the parameter The cycle starts over after the last parameter To restart at the beginning of the cycle click the switch to the right Parameter Code Range Factory setting Location Temperature set point N A rT N A External knob Idle speed id 0 99 N A External knob Temperature differential di Pane 6 F Internal trimmer Off set back o5 ma p 5 F Internal trimmer F or C OF c a to pa F Internal jumper Adjusting the temperature set point TEMP SET TEMP SET is
16. s 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 Limited warranty This warranty applies only to the Phason Inc Phason FHC 1D If you need warranty service return the product and original proof of purchase to your dealer Phason warrants the FHC 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 form 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
17. the desired temperature It is also the reference for the off set back OSB and temperature differential DIFF settings To display and adjust TEMP SET i Hold the switch in the set tight position 2 Adjust the Temperature knob to the desired setting You must hold the switch in the set position while turning the Temperature knob If this is not done correctly the display will flash between ES and the temperature display indicating the knob has accidentally been turned The control will not accept the new setting until the switch is clicked to the right 2005 04 20 Phason FHC 1D Fan and Heater Control user manual Adjusting the temperature differential DIFF DIFF is the number of degrees Celsius or Fahrenheit above the TEMP SET that the fan reaches maximum speed For example if the TEMP SET is 80 F and the DIFF is 6 F the fan will increase from IDLE at 80 F to maximum speed at 86 F See Figures 4 and 5 for examples To display and adjust DIFF 1 Click the switch to the right to start at the beginning of the parameter list 2 Click the switch to the left once and then hold The display flashes between d t and the setting 3 Use a small flat screwdriver to adjust the internal trimmer See section B of the diagram on page 3 for trimmer location The difference in motor power factors can cause the actual differential to be less than the displayed value If the power factor of the
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