Phason FHC-1D User Manual
Contents
1. YELLO YELLOW YELLOW YELLOW ELECTRIC HEAT 230V AC 33222 CONTACTOR THERMOSTAT Mo Berra SERVICE PANEL lt OUTPUT ELECTRIC i lt 4 7 SERVICE SSS Kan PANEL fi LINE 2 Lp GAS FIRED FURNACE 120VACG 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 Connecting the temperature probe Follow the guidelines below and connect the temperature probe as shown in the diagram on page 4 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 sleet aa To use four zone averaging you must connect four temperature probes to the unit as shown to the right 11140706 FHC 1D 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 Pha2. 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 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 mas oo g FHC 1D user manual Phason Example 2 control operation in IDLE SET mode TEMP SET 80 F IDLE SET Mode Variable Speed Output ae f Fan will run at full speed Heater interlock is off 86 0 mm Pan Fan speed will increase E UA with an increase in temperature t 5 and decrease with a decrease 4 in temperature 80 0 m Heater interlock ip is on ROOP Fanwil un at DLE h Ed 33333 g E DA o Ma FTTTTrTiIti riyrd Fan Speed 0 20 40 60 80 100 1 Below 78 F the heater interlock will be on 2 The
3. CABLE ENTRY POINTS PROBE 2 CELSI US EEI lt WHI TE NEUTRAL LI NE Le ip MPORTANT A SUI TABLE SW TCH MUST BE NSTALLED BETWEEN CONTROL AND MOTOR 0 F AHRENHEI T er BL ACK LI NE a ENCLOSURE Elz BASE D CAUTI ON FOR CONTROL OF SHADED POLE PERMANENT SPLIT CAPACI TOR OR UNI VERSAL MOTORS ONLY 111404 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 in the following diagram Use power contactors not supplied for electric heat or heat lamps Connect directly for most gas furnaces 4 2009 06 15 Phason FHC 1D user manual HEATER INTERLOCK 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 MAXIMUM RATINGS TOFLA 115 230 AC TOFLA 115 230V AC
4. all cable entry points Do not make additional holes in the enclosures this can damage the watertight seal or control components and void the warranty 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 Only permanent split capacitor motors appropriate for variable speed control or shaded pole motors can be used on the variable stages Mounting the FHC 1D 1 Remove the cover from the enclosure 2 Fasten the FHC 1D to the mounting surface using the fours screws provided 11140706 3 FHC 1D user manual Phason Wiring the FHC 1D 1 Set the voltage switch A to the correct position for the line voltage used 120 or 230 VAC 2 Set jumper D to the correct position for the temperature units Fahrenheit or Celsius you want to use 3 Connect the wires as shown below q FoR esov Ac EI T i FUSE 15 AMP MAX A FOR 115V Ac BE 250V AC CERAM C NSULATE SERNISE WTH 31 BOX e MARRETTE B TEMPERATURE p aa OR SIMLAR N l CONNECTOR PEGE ERENEAGS 9 CONNECT ALL GROUND WIRES fe Ol SET z TO GROUNDING TERMINAL 16 F ate LOCATED NEAR THE CABLE OFF SET BACK NE _ woot ENTRY POINTS BLUE TO FAN DLE SET Op mj MODE CF Ea Em A p En E EN USE LIQUID TIGHT CONNECTORS TO FA Ep AT THE
5. Phason FHC 1D user manual FHC 1D 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 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 Features One variable speed output One heater interlock output Automatic shut off and idle modes Adjustable off set back for shut off mode Adjustable idle speed for idle mode Adjustable temperature set point Adjustable temperature differential Se A A A A A oo o 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 AE A SE SEE SEE SEE SEE 3 Two year limited warranty 11140706 1 FHC 1D user manual Electrical ratings Input Variable stage Variable stage fuse Relay NOTE O Phason 120 230 VAC 60 Hz 10 A at 120 230 VAC general purpos
6. alled 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 ate 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 FHC 1D without notice 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 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
7. ature 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 4 About the 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 8 2009 06 15 Phason FHC 1D user manual 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 13 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 o 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 4 for trimmer location Adjusting minimum ventilation in OSB mode There must be a temperature probe connected before adjusting the minimum ventilation 1 T
8. e resistive 7 FLA at 120 230 VAC PSC motor 1 2 HP at 120 VAC 1 HP at 230 VAC PSC motor 15 A 250 VAC ABC type ceramic 10 A at 120 230 VAC general purpose resistive 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC 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 to the variable stage does not draw more than 7 FLA 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 Maximum current draw per fan Number of fans Total current draw es ee rating Power factor e factor Heater or furnace Maximum current draw Voltage rating a ee 2009 06 15 Phason FHC 1D user manual 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 Mount the enclosures on a sheltered vertical surface with the electrical knockouts facing down Use a screwdriver to tighten the screws in the enclosures Do not use a drill or over tighten the screws this can crack the enclosures and ruin the watertight seal Use the electrical knockouts for bringing wires or cables into or out of the enclosures Use watertight strain reliefs or conduit connectors at
9. e 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 mas o FHC 1D user manual Phason Limited warranty This warranty applies only to the Phason Inc Phason Fan and Heater Control 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 inst
10. 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 14 2009 06 15 Phason FHC 1D user manual 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 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 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 ar
11. le voltage for your fan motor 4 Hold the front cover switch to the right and then adjust the Temperature knob to the desired temperature 5 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 percentage of maximum speed For more information see Operation description on page 13 To display and adjust IDLE 1 Click the switch to the right to start at the beginning of the parameter list 2 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 4 Release the switch Adjusting the temperature set point TEMP SET 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 TEMP SET 1 Hold the switch in the set right 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 10 2009 06 15 Phason FHC 1D user manual Adjusting the temperature differential DIFF DIFF is
12. or 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 E5 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 120 volts Check the voltage switch t5 The power has been interrupted The display will flash between PF and the FE temperature To clear the alarm click the switch to the right The control will function normally 11140706 7 FHC 1D user manual Phason Displaying and adjusting parameters Switch position Function CENTER Displays the ambient temperature es Allows you to view and adjust the temperature set point Clears alarms Allows you to view and adjust the differential d off set back a5 and idle speed id Each time the switch is clicked and 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 32 10 99 F 010 360 fidlespeed a oe na External knob Temperature diferent a1 110 20 F 06 10120 2210 99 F 30 t0 38 C Changing the temper
13. son 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 next page If the unit operates erratically with the extended probe run the cable along a different path or shorten it To extend probe cables gt mgogo DW 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 Your connection should look like this 2009 06 15 Phason FHC 1D 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 O 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 Display alerts Alert Description F The temperature probe or sens
14. 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 f and the setting 3 Use a small flat screwdriver to adjust the internal trimmer See section B of the diagram on page 4 for trimmer location ay 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 DIFF setting Power factor Correction F 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 differential 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 actual differential desired differential x correction If you do not know the power factor calculate the correction as follows 1 Set the idle speed properly For more information see Adjusting minimum ventilation in IDLE SET mode on page 10 2 Set the differential
15. 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 16 2009 06 15
16. 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 teaches full speed note the temperature set point T2 11140706 11 FHC 1D user manual Phason 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 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 differential to 7 F for an actual differential of 5 F 12 2009 06 15 Phason FHC 1D 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 Off Set Back Mode Variable Speed Output ee S sR i 4 Fan will run at ty full speed Heater interlock is off Fan speed will increase with an increase in temperature and decrease with a decrease in temperature Va fi OG Fan will run at IDLE Heater interlock is on m Fan is off j R Iua i Fan Speed 0 20 40 60 80 100
17. urn 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 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 11140706 9 FHC 1D user manual Phason Adjusting minimum ventilation in IDLE SET mode 1 Turn the Idle Speed knob fully counter 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 be running at IDLE 3 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 id
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