Introduction Features Electrical Ratings
Contents
1. Turn off the power before installing CAUTI ON or servicing the control Mounting the Control e Mount the control with the knockouts at the bottom of the enclosure Failure to do this will void warranty e Use the knockouts at the bottom of the enclosure for mounting cable connectors e DO NOT make additional holes in the enclosure this will void the warranty e Run all wires into the enclosure through the knockouts and connect all ground wires to the ground plate Wiring the Control e Turn off the power before doing any wiring e Set the voltage switch to the correct position for the line voltage used 115 or 230V AC e Take off the cover when removing electrical knockouts to prevent damaging the control e Read the Electrical Ratings section before installing the FHC 1D control e Connect the wires as shown Figure 1 Phason Inc 2001 02 05 111407 Rev 4 2 FHC 1D User Manual DIFFERENT AL SET q FOR 230V AC FAN 2 FUSE 15 AMP MAX Wr FOR 115V ac BE 250V AC CERAM C SERVICE KA BOX B TEMPERATURE NSUL ATE es 6 D W TH 31 MARRETTE OR SIMLAR N C CONNECTOR BLUE TO F OFF SET BACK ADLE SET MODE ENTRY POINTS CONNECT ALL GROUND WIRES TO2. GROUNDING TERMI NAL LOCATED NEAR THE CABLE FAN Tyee LS in CELSIUS FAHRENHEIT CELSIUS TO FA i PROBE F AHRENHEI T O USE LIQUID TIGHT CONNECTORS ele AT THE CABLE ENTRY POINTS WHI TE NEUTRAL LI NE BETWEEN CONTROL IMPORTANT a su AND MOTOR TABLE SW TCH MUST BE INSTALLED 7 BL ACK LI NE wx O ENCLOSURE ne BASE D CAPACI TOR OR UN CAUTION FOR CONTROL OF SHADED POLE VERSAL MOTORS ONLY PERMANENT SPLIT 111404 Figure 1 Wiring Diagram Heater Interlock The heater interlock turns a heater or furnace on or off The relay contacts close when the temperature is 2 F below the TEMP SET HEATER INTERLOCK ELECTRIC HEAT HEATER INTERLOCK g HEATER INTERLOCK YELLOW WIRES NORMALLY OPEN RELAY CONTACT GAS FIRED FURNACE HEATER INTERLOCK YELLOW WIRES NORMALLY OPEN RELAY CONTACT MAXIMUM RATINGS MAXIMUM RATINGS 1OFLA 115 230V AC TOFLA 115 230VAC YELLO YELLOW YELLO YELLOW ELECTRIC HEAT 230V AC POWER pe 3333 CENTACTORI TO ELECT
3. for approximately one second self test 68 will be displayed for approximately one second 6U indicates that the power system is 60Hz The display will alternately flash between the temperature and PF PF indicates a power interruption or start up has occurred Click the front cover switch to the right to clear the PF e The control is now in normal mode O O O Sll d NOTE If Pd or PS is displayed the probe is not connected properly See the Display Alerts section Displaying and Adjusting Parameters Switch Position tly CENTER Displays the temperature of the air surrounding the temperature probe pony Allows viewing and adjustment of the TEMP SET Clears alerts Allows viewing and adjustment of the Temperature Differential d f Off Set Back a5 LEFT and Idle Speed Id Each time the switch is clicked and held in this position the next parameter is displayed The display will alternately flash the parameter code two letters and it s setting two digits The parameter can be adjusted at this point The cycle will start 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 32 to 99 F Temperature Set Point N A or N A External Knob 0 to 38 C Idle Speed id 0 99 N A External Knob 1 to 20 F Temperat
4. in the form year month day PHASON hereby warrants that should this product prove defective by reason of improper workmanship PHASON will repair the unit effecting all necessary parts replacements without charge for either parts or labour CONDITIONS Installation must be made in accordance with our enclosed installation instructions The unit must not have been previously altered modified or repaired by anyone other than PHASON The unit must not have been subject to accident misuse abuse or operated or installed contrary to the instructions contained in the accompanying manual The opinion of PHASON with respect to these matters shall be final 4 The person requesting the services provided hereunder must be the original purchaser of the unit and furnish proof of purchase upon request This warranty is applicable only to the PHASON FHC 1D Temperature Control All transportation charges on units submitted for warranty repair must be borne by the purchaser For warranty services return unit together with original proof of purchase to your dealer os NON 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 UNIT ANY AND ALL IMPLIED WARRANTIES ARE EXCLUDED PHASON SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES SUSTAINED IN CONNECTION WITH THE SAID UNIT PHASON NEITHER ASSUMES NOR AUTHORIZES AN
5. FHC 1D User Manual Features e Non corrosive fire retardant moisture resistant enclosure Transient protected to ensure reliability Microprocessor based Digital display of temperature alerts and settings Variable speed with adjustable differential Idle Set mode with adjustable idle speed Automatic shut off mode Off Set Back with adjustable shut off temperature Three second full power turn on to minimize fan motor ice up e Switch selectable for 115V AC or 230V AC operation e 115 230V AC 10 Full Load Amps output for variable speed fans with RFI noise suppressor e Compact design 20cm 7 75in height x 12cm 4 75in width x 9 5cm 3 75in depth e Extendable temperature sensor e Heater interlock to signal gas fired furnace or power contactors for electric heat e Two year limited warranty lt N o PSN as Electrical Ratings OPERATING VOLTAGE 115V 230V AC 60Hz VARIABLE SPEED OUTPUT 10 Full Load Amps 115 230V AC Warning 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 Amps will cause overheating and eventual failure of the FHC 1D control Please check current requirements for the fan motor by either measuring current draw at all speeds or consulting the dealer for information on that fan CAUTION For controlling shaded pole permanent split capacitor or universal motors on
6. RICAL THERMOSTAT LINE 1 SERVICE PANEL OUTPUT ELECTRIC o SERVICE E A F PANEL eee LINE 2 GAS FIRED FURNACE Lp 120VAC POWER CONTACTOR PART NO PC 120 240V AC POWER CONTACTOR PART NO PC 240 POWER CONTACTOR ENCLOSURE PART NO PC BOX NOTE WIRING DIAGRAMS SUPPLIED WITH POWER CONTACTORS 111423 Figure 2 Heater Interlock Wiring Diagram Phason Inc 111407 Rev 4 3 2001 02 05 FHC 1D User Manual Temperature Probe Connect the probe to the fast on tabs Gently pull on the probe to extend it out of the enclosure Tighten the compression nut on the strain relief Extending the Sensor You can extend the temperature sensor to suit your particular application The maximum length of sensor depends on the level of electrical noise With proper installation sensor lengths of up to 500 feet are possible To extend the sensor use two wire 18 AWG jacketed cable for a proper seal at the cable entry hole We recommend Belden 9408 Alpha 5052 or an equivalent Do not run the sensor cable next to other power cables or inside conduit When crossing other cables cross at 90 For best results solder all connections and apply heat shrink to insulate the wires Follow these steps to extend the sensor a b c d e f 9 h Turn the power off to the control Remove the four screws from the cover and lift the cover off Disconnect the sensor connectors from the fast on tabs Cut the sensor cable ap
7. Y REPRESENTATIVES OR OTHER PERSONS TO ASSUME FOR IT ANY OBLIGATION OR LIABILITY OTHER THAN SUCH AS IS EXPRESSLY SET FORTH HEREIN PHASON reserves the right to improve or alter the FHC 1D without notice Phason Inc 2 Terracon Place Winnipeg Manitoba Canada R2J 4G7 Phone 204 233 1400 Fax 204 233 3252 111407 Rev 4 2001 02 05
8. above 86 F maximum ventilation When the temperature drops the reverse happens IDLE SET Mode Variable Speed Output Fe ae ey O _ Fan will run at E full speed E E Heater _ m _ interlock H isoff 86 0 Em m Fan speed will increase E sr with an increase in temperature tas and decrease with a decrease in temperature E 80 0 m ae E _ 78 0 m E Heater interlock f lison y 5 Fan will run at IDLE E T d ee N TERU iad Tt tI B T Fan Speed 0 20 40 60 80 100 Figure 4 IDLE SET Mode 2001 02 05 FHC 1D User Manual Care and Maintenance Moisture will not cause a problem with the control if proper care is taken during installation The control s enclosure is made of fire retardant plastic and sealed with a rubber gasket The sensor entry is sealed with a liquid tight cable connector Use caution when washing the room with a high pressure washer DO NOT direct a high pressure washer at the control To clean the surface of the control wipe it with a damp cloth Maintenance e After the first two weeks of operation remove the cover from the unit and check inside for moisture Be sure to turn off the power to the control before removing the cover e f moisture is present wipe the control out with a dry cloth Check the cable entry points and rubber gasket for proper sea
9. adjust the IDLE properly a b c Phason Inc 111407 Rev 4 Turn the Idle Speed knob fully counter clockwise then back turn clockwise Click the front cover switch to the right and hold while turning the Temperature knob fully clockwise then release the switch The fan should not be running Click the front cover switch to the right and hold while s owly turning the Temperature knob counter clockwise When the fan runs full speed release the front cover switch and the Temperature knob The fan will run at maximum speed for approximately three seconds then at IDLE The Temperature knob should be approximately 1 F higher than the temperature Slowly adjust the Idle Speed knob until a satisfactory IDLE minimum ventilation is reached A voltmeter is helpful for determining the voltage If you are unsure please consult your fan dealer for the minimum idle voltage for your fan motor Click the front cover switch to the right and adjust the Temperature knob to the desired temperature Release the switch to complete the procedure 2001 02 05 FHC 1D User Manual Adjusting Minimum Ventilation in IDLE SET Mode a Turn the Idle Speed knob fully counter clockwise b Click the front cover switch to the right and hold while turning the Temperature knob fully clockwise then release the switch The fan should be running at IDLE c Slowly adjust the Idle Speed knob until a satisfactory IDLE minimum ventilation is reached A volt
10. ecreases fan speed decreases The fan will run at maximum speed when the temperature is at or above 86 F maximum ventilation When the temperature drops the reverse will happen Variable Speed Output Fan will run at full speed Off Set Back Mode Heater interlock is off Fan speed will increase with an increase in temperature and decrease with a decrease in temperature Fan will run at IDLE 78 0 i Heater interlock i se A OEE Fan Speed 0 20 40 60 80 100 Fan is off is on J 2 Bel Figure 4 Off Set Back Mode Phason Inc 111407 Rev 4 2001 02 05 FHC 1D User Manual Example 2 Control Operation in IDLE SET Mode Parameter Settings TEMP SET 80 F DIFF 6 F OSB OFF IDLE 20 of maximum ventilation Description of Operation Phason Inc 111407 Rev 4 Below 78 F the heater interlock will be on The fan will operate at IDLE 20 of maximum ventilation when the temperature is below 80 F Between 80 F and 86 F DIFF the fan speed will change proportionally with the temperature If the temperature increases fan speed increases If the temperature decreases fan speed decreases The fan will run at maximum speed when the temperature is at or
11. lay and adjust the DIFF a Click the switch to the right to start at the beginning of the parameter list b Click the switch to the left once and hold The display will flash between d i and the setting c Use a small flat screwdriver to adjust the internal trimmer See Figure 1 section B for trimmer location NOTE 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 listed below to calculate the correct DIFF setting Power Factor Correction F 1 0 1 00 0 9 1 05 0 8 1 10 0 7 1 25 0 6 1 33 0 5 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 Phason Inc 111407 Rev 4 6 2001 02 05 FHC 1D User Manual If you do not know the power factor measure the correction as follows a Ensure the IDLE is set properly See IDLE section Set the DIFF to 10 F with the internal trimmer Observe the temperature in the digital display Hold the switch to the right and adjust the TEMP SET to equal the temperature The fan will o
12. ling e If the cable connectors are not sealing apply RTV or Silicon II sealant around the cable NOTE Some silicone sealants release acetic acid while curing Let the sealant cure completely one to three days before closing the control Failure to do this may damage the control and void the warranty e Check the control again after two weeks to verify that it is sealing properly e Inspect the control once a year for moisture Proper care and maintenance will extend the life of the control Warning This control is designed and manufactured to provide reliable performance but is not guaranteed to be 100 free of defects Even reliable products may experience occasional failures and this possibility should be recognized by the user If this product is 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 2001 02 05 111407 Rev 4 11 FHC 1D User Manual LIMITED WARRANTY PHASON warrants this unit the FHC 1D subject to the following terms and conditions This warranty is valid only to the original purchaser for a period of two years from the date of manufacturing The manufacturing date is stated in the first eight digits of the serial number
13. ly The heater interlock output is a normally open relay contact Use power contactors not supplied for electric heat or heat lamps Connect directly for most gas furnaces HEATER INTERLOCK OUTPUT 10 Full Load Amps 115 230V AC Warning When connecting to electric heaters or brooder lamps and a furnace operation voltages may be different This may damage the equipment Introduction Congratulations on the purchase of your new FHC 1D environment control The FHC 1D is a microprocessor based control that connects to a variable speed fan and a heater to efficiently control temperature This manual will help you get the most from your FHC 1D Take a few minutes to read this manual and become familiar with the proper safety and operating procedures Follow the Getting Started section for step by step instructions on installing your FHC 1D Phason Inc 2001 02 05 111407 Rev 4 A FHC 1D User Manual Getting Started Fill out the information below to help configure your control and verify that you do not exceed the current ratings listed in the Electrical Ratings section Fans A B AB 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 Installation Warning The FHC 1D should be installed by a qualified electrician
14. meter is helpful for determining the voltage If you are unsure please consult your fan dealer for the minimum idle voltage for your fan motor d Click the front cover switch to the right and adjust the Temperature knob to the desired temperature e Release the switch to complete the procedure Temperature Display The F C jumper lets you select whether the control will display degrees Fahrenheit or Celsius To verify the F C setting a Click the front cover switch to the right to start at the beginning of the parameter list b Click the switch to the left three times c or F will be displayed c Tochange the setting position the jumper as shown in Figure 1 section D Idle Speed IDLE The IDLE is the speed of the fan in IDLE SET mode IDLE is displayed as a percentage of maximum speed See Figures 4 and 5 for examples To display and adjust the IDLE a Click the switch once to the right to start at the beginning of the parameter list b Click the switch to the left four times and hold The display will alternately flash between Ig and the setting c Adjust the Idle Speed knob on the front cover to the desired fan speed minimum ventilation Hysteresis 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 Di
15. perate just above minimum Idle e Slowly decrease the TEMP SET and listen to the fan increase in speed f When the motor reaches full speed record the TEMP SET FULL SPEED TEMP SET g Calculate the correction using the formula below o 0 Correction 10 F FULL SPEED TEMP SET TEMPERATURE Example 3 Fora TEMPERATURE of 75 F and a FULL SPEED TEMP SET of 82 F The correction would be 10 F 82 F 75 F 1 43 If the desired differential is 5 F the actual differential can be calculated as follows 5 F x 1 43 7 15 F Set the DIFF to 7 F for an actual differential of 5 F Off Set Back IDLE SET Mode OSB The 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 See Figure 4 for example of OSB To display and adjust the OSB a Click the switch to the right to start at the beginning of the parameter list b Click the switch to the left two times and hold The display will flash between a5 and the setting If id is displayed the control is in IDLE SET mode c Useasmall 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 Figure 1 section C for trimmer location Adjusting Minimum Ventilation in OSB Mode NOTE A temperature probe must be connected to the control to
16. proximately six inches from the connectors and pull the probe end of the sensor cable out of the box Insert the extension wire into the box Join the connector end of the sensor cable to one end of the extension wire and re connect the cable to the fast on tabs Apply heat shrink or electrical tape to insulate the wires Run the extended sensor cable to the desired location Join the other end of the extension wire to the end of the sensor cable containing the probe Apply heat shrink or electrical tape to insulate the wires NOTE If the unit operates erratically with the extended temperature sensor try running the sensor on a different path or shortening it Ensure the sensor cable is not run beside other electrical wires or near electrical equipment 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 take advantage of this option you must connect four temperature sensors to the unit See Figure 3 for wiring information Phason Inc 111407 Rev 4 ZONE 1 ZONE 2 Figure 3 Four Zone Averaging 2001 02 05 FHC 1D User Manual Start up When power is applied to the FHC 1D the following will be displayed 88 will be displayed for approximately 0 25 seconds start up GE will be displayed
17. splay Alerts The FHC 1D has several visible display alerts Display Cause 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 ES 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 Phason Inc 2001 02 05 111407 Rev 4 8 FHC 1D User Manual Operation Example 1 Operation in Off Set Back OSB Mode Parameter Settings TEMP SET 80 F DIFF 6 F OSB 5 F IDLE 20 of maximum ventilation Description of Operation The fan will be off and the heater interlock will be on when the temperature is below 75 F When the temperature increases to 75 F OSB the fan operates at full speed for three seconds then IDLE minimum ventilation of 20 The fan will continue to IDLE between 75 F and 80 F At 78 F the heater interlock shuts off Between 80 F and 86 F DIFF the fan speed will change proportionally with the temperature If the temperature increases fan speed increases If the temperature d
18. ure Differential di or 6 F Internal Trimmer 0 6 to 12 C 0 to 16 F Off Set Back o5 or 5 F Internal Trimmer 0to9 C 22 to 99 F For C Fi e or F Internal Jumper 30 to 38 C Phason Inc 2001 02 05 111407 Rev 4 5 FHC 1D User Manual Temperature Display When the switch on the control is in the center position the control displays the ambient temperature The temperature range is 22 to 99 F or 30 to 38 C The control can maintain the temperature to between 32 to 99 F or 0 to 38 C Temperature Set Point TEMP SET The TEMP SET is the desired temperature It is also the reference for the Off Set Back OSB and Temperature Differential DIFF settings To display and adjust the TEMP SET a Hold the switch in the set right position b Adjust the Temperature knob to the desired setting NOTE 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 S and temperature indicating the Temperature knob has accidentally been turned The control will not accept the new setting until the switch is clicked to the right Temperature Differential DIFF The 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 disp
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