User manual
Contents
1. a a BUDERMAN e Bub ERMAN Operating manual Tene Bvoeemay L FAN SPEED CONTROLLER SCg E KEYBOARD mM TECHNICAL DATA supply voltage 230V DIGITAL FAN SPEED 4 lt BUPERMAN DIGITAL FAN SPEED CONTROLLER SC4 O displays the current fan ese a a CONTROLLER SC4 condensaton point at the maximum teed current BE biace where the sensori compressor crankcase heaters terminals 5 6 4A operating manual MENU mounted as well as the f Ru i o maximum feed current r Livi es on cy tt ie Ne con Ta a 6 a eee compressor contactor coils terminals 8 9 12 4A ver 41 x mbes an al 1AA SANG PN working temp of the device from 30 C to 70 C ag cE a ene ae the package includes setting an cnanging parameters cnanging parameters p F confirming or increasing the value or decreasing the value SC4 controller 1 temperature sensor 2 self parameters of a given parameter of a given parameter adhesive insulation tape 1 terminal block 1 band T clip 2 metal sheet screw 2 Before connecting and activating the device please read these operating factory settings and range of available settings instructions and keep them for future reference E ALARMS P1 45 C 1 55 C P1 gt P3 A11 high temp P2 20 1 99 high condensation point turns off the P3 30 C 1 54 C P3 lt P1 m SC4 NEW FUNCTIONS compressor at the instant the alarm P4 0 0 min speed or 1 start temp Ie The SC4 controller has new very use2. 4 C Crankcase Crankcase heater ON heater OFF a BUDERMAN P m PROGRAMMING After connecting the SC4 controller to the 230V AC power supply the currently measured temperature will be displayed on the display panel In order to facilitate operation of the device it has been equipped with a keyboard 3 keys and a display panel Step 1 parameter setting mode Press OK The symbol of the first parameter PNB P1 Step 2 selection of the parameter Press to select a parameter P1 P9 There are nine parameters to choose from P P1 temp C setting the condensation point Pe P2 min speed minimum fan speed at power startup PZ P3 start temp C temperature at which fan is to start up P4_ P4 mode operating mode selection min speed 0 or start temp 1 P5 high temp high temperature alarm threshold setting P6 alarm setup the alarm can be cancelled by pressing any key or turn off and on power supply see table below cancel alarm A1 press any key turn off and on power SC4 alarm A1 can not be cancelled press any key turn off and on power SC4 contact 9 fan DIGITAL FAN SPEED CONTROLLER SC4 P7 inv mode De condition for heat pump mode see table below P8 heater temperature above this temperature heater is off contacts 5 6 are opened P9 hard start duration of hard start normally 1 sec 0 10 sec Step 3 changing parameter values Press 6K
3. then change the value using the or key After setting the value press OK to save the new setting and return to the parameter symbol window Pressing and holding down or will increase or reduce the values being set Step 4 switching to normal operating mode Selection of the P 1 P1 parameter and pressing will switch the controller to normal operating mode ie displaying the current measured temperature 20 seconds after the last pressing of any key the controller will automatically return to normal operating mode compressor display on current temp off alarm A1 current temp alarm A1 OV smooth control of fan speed 230V maximum fan speed heat pump 230V smooth control of fan speed OV maximum fan speed heat pump
4. d powering the compressor te crankcase heater on basis of temperature measurements sensor C2 e monitoring and visualisation of the current condensation point with no need to connect pressure gauges e smooth control of fan speed with simultaneous compressor activation or with compressor activation on reaching a previously set temperature condensation point e preventing a high condensation point and displaying alarm conditions 20 18 16 a BUDERMAN P INSTALLATION In order to ensure correct operation of the SC4 controller you should e disconnect the factory made power supply cables from the fan and connect them to contacts 3 4 in the controller e connect the power supply and control cables in Operating manual from the four way valve to terminal no 7 On appearance of voltage 230V from the 4 WAY valve the controller is by passed Voltage is passed directly to the condenser fan motor accordance with the description below CAUTION CONTACT 1 IS CONNECTED TO e mount the sensor on the fourth sixth at the furthest counting from the top where the temp is CONTACT 2 constant elbow of the condenser The sensor must CAUTION THE SC4 CONTROLLER MAY BE INSTALLED adhere to the elbow with its whole surface Fasten the sensor with the band clips and insulate it with the insulation tape supplied with the controller e connect additional wire from 4WAY valve to contacts 7 see description b
5. elow CAUTION When the SC4 controller is installed in a device that has a four way valve heat pump the controlling signal should be connected mM CONNECTION DIAGRAM VERSION 1 HEATER 4WAY COMPRESSOR EXT SENSOR1 SENSOR 2 RELAY ALARM sensor C1 condensation point heater VERSION 2 HEATER 4WAY COMPRESSOR EXT SENSOR1 SENSOR 2 RELAY ALARM Gl Q fan motor sensor C1 sensor C2 AH o outdoor oin emperature heater 4 WAY 2 P compressor O contactor coil alarm option ONLY BY QUALIFIED PERSONNEL WHO HAVE THE NECESSARY AUTHORISATION REQUIRED BY THE REGULATIONS IN FORCE IN THE COUNTRY WHERE THE CONTROLLER IS BEING INSTALLED OR USED BEFORE COMMENCING INSTALLATION THE DEVICE ON WHICH THE CONTROLLER IS BEING INSTALLED MUST BE DISCONNECTED FROM THE POWER SUPPLY terminal description of the connection SC4 controller power supply phase conductor neutral conductor neutral conductor feeding the fan motor phase conductor feeding the fan motor phase conductor feeding the compressor crankcase heater phase conductor feeding the compressor crankcase heater phase conductor from the 4 WAY valve phase conductor feeding the contactor coil or compressor relay phase conductor feeding the contactor coil or compressor relay high condensation point alarm signalling condensation point sensor plug outdoor temperature sensor plug CAUTION CONTACT 2 iS CONNECTED TO CONTACT 3 Tc2 lt 4 C Tc2 gt
6. full functions OPTION If second sensor C2 contacts 13 14 is oe contacts 8 4 Are openen ana E O e monitoring and visualisation outdoor connected the SC4 controller can control heater SA aan o oe temperature connected to contacts 5 6 If the measured can be cancelled by pressing any key eae Jori e second sensor C2 optional temperature exceeds the temperature set by the user orcamning Poweron SEE RE PE de e full heater control 5 6 contacts on basis P8 then the contacts 5 6 are opened To check poe ieee AOSS of the outdoor temperature outdoor temperature press nad hold down key A21 sensor error e setting of hard start 0 10sec P9 parameter temperature Sensor fakire e changes of of the connection CAUTION This function will be work properlly if SC4 see connection diagram controller is allways connected to the 230V AC power E GRAPHS OF OPERATING MODES P4 supply E HOW THE SC3 CONTROLLER WORKS The SC4 controller is adapted to work in devices CAUTION If second sensor C2 is NOT connected C2 V rpm P2 d P4 0 V rpm P3 start t P4 1 a i FAN SPEED ones FAN SPEED een requiring smooth control of rotation speed of contacts 13 14 SC4 controller smooth controls of Vmax Amar bee aa aa the fan motor or any other element connected to rotation speed of the fan motor and contacts 5 6 are contacts 3 and 4 on the basis of temperature closed min speed min speed i measurements sensor C1 contacts 11 12 me
7. j According to the entered parameters the SC4 El ee f tebunie start temp temp T C start temp temp T C controller increases or decreases the fan speed in EA E aa ik P3 P1 TEMPERATURE P3 P1 TEMPERATURE e maintaining a constant condensation point order to maintain the required temperature measured by the sensor C1 If the measured temperature E TABLE OF TEMPERATURE IN RELATION TO PRESSURE exceeds the temperature set by the user P3 P3 fan speed will be increased to maximum if need be If the measured temperature is still higher than the set temperature P 1 P1 and reaches the alarm limit set by the user P5 then the power feed to the compressor contactor coil or any other element connected to contacts 8 and 9 will be cut off This is a failure condition and will be signalled by the alarm symbol A11 flashing on the display panel Return to normal operating mode is possible after the alarm has been cancelled by pressing any key or turnning power off see P6 If the measured temperature is lower than the 2 P1 fan speed will be reduced to minimum P3 if need be The most common use of the SC4 controller is to control the condenser fan motor in air conditioning BUDERMAN ul Tatrza ska 6b 10 81 628 Gdynia tel 48 58 660 63 23 fax 48 58 660 63 30 cooling and cooling heating devices www buderman com pl e mail buderman buderman com pl e extending the life cycle of the compressor e controlling an
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