FAN-PWM-V3
Instructions
Page 1: ...FAN PWM V3 Instructions ...
Page 2: ... KIT HARDWARE BAG INSTRUCTION BOOKLET ZIPTIES 12 FUSE HOLDER 20 AMP FUSE 30 AMP FUSE YELLOW RING CONNECTORS 2 BLUE RING CONNECTORS 2 YELLOW BUTT CONNECTOR 1 SELFTAPPING SCREWS 4 30 20 BCU B A DT06 3S C B Power Harness 1 Hardware Bag Fuse Holder 1 Yellow Butt Connector 1 Self Tapping Screws 4 Zip Ties 12 HARDWARE BAG FUSE HOLDER 20 AMP FUSE 30 AMP FUSE YELLOW RING CONNECTORS 2 BLUE RING CONNECTORS ...
Page 3: ...ade 1450 30 30102038 30102025 12 High Performance Fan Paddle Blade 1640 30 30101504 30101505 12 Medium Profile Fan 1230 20 30100375 30100384 12 Fan 870 10 13 30102044 30102045 13 High Performance Fan Curved Blade 1640 30 30101507 30101508 13 Medium Profile Fan 1250 20 30100398 30100399 13 Fan 1030 10 14 30102041 30102055 14 High Performance Fan Striaght Blade 1650 30 30102042 30102056 14 High Perf...
Page 4: ...rt to add features and improve quality of the FAN PWM the functionality of the unit may impede previous creative installations of FAN PWM s A brushed DC motor MUST be connected to the fan output or the unit will report an error code Possible use with very low power 4A fans and non SPAL products may also cause fan not found error code SPAL USA will not guaranty this products function ality with NON...
Page 5: ...ulse Width Modulation tech nology A second fan can be added but requires the use of an additional relay to control the secondary fan SPAL part number FRH The secondary fan will not be variable speed it will be ON OFF only Because the FAN PWM was designed to alter the speed of the fan SPAL USA suggests setting the High 10 to 20 above the thermostat rating and setting the Low at least 10 below the H...
Page 6: ...represents the following AMBER for tempera tures above LOW RED for temperatures above HIGH and GREEN when the A C input has been activated When the Low temperature setting is reached the FAN LED will light AMBER and the fan will run at 50 or speed The fan will then gradually increase in speed as the engine temperature rises If the high temperature setting is reached the FAN LED will light RED and ...
Page 7: ...to trigger a fan relay an indicator light etc If you are using dual fans with the recommended wiring setup refer to pages 18 19 your 2nd fan will turn on full speed at this time If the cooling system is able to lower the coolant temperature approximately 5 below the High setting the FAN LED will turn from RED to AMBER and the fan will slow in speed at this time the second fan output will stop as w...
Page 8: ...st at multiple temperatures If you set the controller above the switching point of the sensor range it will techni cally work The problem is that the fan will turn on at cold startup initially turn off before coming on again at the proper temperature Please see the PROGRAMMING section on pages 11 14 If using this type of sensor the SPAL FAN PWM must be programmed to your desired temperature points...
Page 9: ... 205 If different settings are required please see the PROGRAMMING section on pages 11 14 Optional Status Output The FAN PWM provides a negative output for an external device such as a LED not provided to be used to remotely show the status of the system With the vehicle s ignition on the status output will indicate the following No output All checks OK fan not running Output on Fan output is acti...
Page 10: ... the fan will not go to HIGH until after a 15 second delay After the A C turns off the fan will stay on HIGH for 30 seconds before resuming normal operation 1 If your A C system does not have a trinary switch connect the Blue wire directly to the 12V wire of the air conditioning compressor or a wire within your HVAC system that is powered only when the A C is engaged As a result any time the compr...
Page 11: ... as the fan operation is based on the pressure of the coolant in the A C system Though the A C pump may not be running the pressure of the A C system may require operation of the cooling fans to properly cool the A C condenser AIR CONDITIONING COMPRESSOR Blue Wire from FAN PWM A C Thermosta t Existing wire s from evaporator wiring harness Y T B A TE R Ground 12VDC FUSE 5A A C TRINARY DIAGRAM ...
Page 12: ...code See page 21 for error codes 3 Color Fan LED RED High temperature setting has been reached Fan s run at High speed AMBER Low temperature setting has been reached Fan starts at half speed and increases until High temperature setting is reached GREEN Indicates Air Conditioning has been powered ON Fan s run at full speed www spalusa com 11 ...
Page 13: ...2 Fan will stop running and the FAN LED will be slowly blinking AMBER 3 Warm engine up to desired LOW temperature and press ENTR button to program LOW 4 The STAT LED will blink once and the FAN LED will turn RED and be blinking slowly 5 Warm engine up to desired HIGH temperature and press ENTR button to set HIGH 6 The STAT LED will blink once then FAN LED will turn GREEN and be blinking slowly 7 P...
Page 14: ... STAT LED will blink once then the FAN LED will be slowly blinking GREEN 7 Press PRG button once to EXIT programming Setting The High Temperature Only Setting The Low Temperature Only 1 Press and Hold down PRG button for 5 seconds 2 Fan will stop running and the FAN LED will be slowly blinking AMBER 3 Warm engine up to desired LOW temperature and press ENTR to set LOW 4 The STAT LED will blink onc...
Page 15: ... 2 times 4 FAN LED will slowly blink GREEN 5 Press ENTR button once for Preset 1 STAT LED will flash once Press ENTR button again for Preset 2 STAT LED will flash twice Press ENTR button again for Preset 3 STAT LED will flash three times 6 Once desired preset has been reached Press PRG button to exit programming mode Preset 1 has a LOW temp of 170 and a HIGH temp of 185 Preset 2 has a LOW temp of ...
Page 16: ...er for relay BLUE MAIN Air Conditioning Input 12VDC when A C compressor is ON BROWN MAIN Status Output negative output for Light LED WHITE OEM SENSOR OEM Temperature Sensor Variable Voltage 0 5 HARNESS VDC BLACK SPAL SENSOR SPAL Temperature Sensor with connector HARNESS GREEN SPAL SENSOR SPAL Temperature Sensor with connector HARNESS YELLOW FRH 12VDC Directly to Battery RED FRH Secondary Fan Posit...
Page 17: ...GROUND SINGLE FAN OEM SENSOR Y T BA TE R FUSE GROUND BLACK 12VDC RED MAX 30 AMP FUSE FAN PWR HARNESS C B AIR CONDITIONING INPUT BLUE SEE PAGE 9 STATUS OUTPUT BROWN SEE PAGE 8 SWITCHED IGNITION ORANGE GRAY NOT USED MAIN HARNESS PURPLE NOT USED GROUND BLACK Single Fan OEM Sensor ...
Page 18: ...USE GROUND BLACK 12VDC RED MAX 30 AMP FUSE FAN PWR HARNESS C B AIR CONDITIONING INPUT BLUE SEE PAGE 9 STATUS OUTPUT BROWN SEE PAGE 8 SWITCHED IGNITION ORANGE GRAY NOT USED MAIN HARNESS PURPLE NOT USED SPAL TEMP SENSOR HARNESS SPAL SENSOR GROUND BLACK Single Fan SPAL Sensor ...
Page 19: ...TUS OUTPUT BROWN SEE PAGE 8 SWITCHED IGNITION ORANGE BLACK 12VDC RED FAN HARNESS SECONDARY FAN OUTPUT GRAY SWITCHED IGNITION ORANGE 12VDC YELLOW 2ND FAN RELAY PART FRH MAX 30 AMP FUSE MAX 30 AMP FUSE NOT USED PURPLE OEM TEMP SENSOR WHITE VARIABLE VOLTAGE GROUND DUAL FAN OEM SENSOR MAIN HARNESS FAN PWR HARNESS FUSE GROUND BLACK Dual Fan OEM Sensor ...
Page 20: ...STATUS OUTPUT BROWN SEE PAGE 8 SWITCHED IGNITION ORANGE BLACK 12VDC RED FAN HARNESS SECONDARY FAN OUTPUT GRAY SWITCHED IGNITION ORANGE 12VDC YELLOW 2ND FAN RELAY PART FRH MAX 30 AMP FUSE MAX 30 AMP FUSE NOT USED PURPLE DUAL FAN SPAL SENSOR MAIN HARNESS FAN PWR HARNESS FUSE SPAL TEMP SENSOR HARNESS SPAL SENSOR GROUND BLACK Dual Fan SPAL Sensor ...
Page 21: ...mplete If the switch is turned ON and OFF repeatedly the delay will restart after the last time the switch was turned ON or OFF SPAL USA suggests this override switch also trigger the electric water pump relay This will allow a single override switch to control both the fan and elec tric water pump Note 1 The fan will continue to run indefinitely if the switch is not shut off 2 When running for ex...
Page 22: ...to the temperature sensor If using an OEM sensor verify correct tem perature sensor wire is being tapped See info under High and Low Program Data Error for more information on sensor issues If using SPAL sensor did you cut the sensor harness connector off If the sensor connector is cut off then you have to splice the white wire to the green wire If you have hooked the system to a switch instead of...
Page 23: ...non SPAL fans as too often specifications are unknown CODE 3 High Low Program Data Error You will need to reprogram the High and Low temperature settings on the FAN PWM If you are using the SPAL temperature sensor then you can reprogram using one of the default settings Temperature sensor issues are addressed as follows 1 Using a SPAL Temperature Sensor FAN PWM TS a Your LOW and HIGH settings are ...
Page 24: ...wire on vehicle Typically on a 2 wire coolant temp sensor one wire will be a chassis ground while the other will vary in voltage with temperature The white wire must be connected to the wire which varies in voltage c Connection was made to a temperature SWITCH not a sensor The FAN PWM will not function connected to a switch such as our 185 TS that is used to turn on a relay or warning light The se...
Page 25: ...ll work also in the other stage which means the fan may operate when not necessarily needed For complete proper operation in this case you will need to use a SPAL temperature sensor CODE 3 High Low Program Data Error continued CODE 4 Module Over Current Error Over current protection means that the output will SHUT DOWN if the mea sured fan continuous run current increases above 30A for extended pe...
Page 26: ...e the small and large gauge black wires are connected to ground www spalusa com 25 1 DO NOT ground the primary fan to the chassis If the fan s negative on the first fan is wired to a chassis ground then the fan will be on Wire the primary fan s negative to the FAN PWM fan negative The FAN PWM variable speed control is through the negative side 2 Is the A C override hooked up Check the power input ...
Page 27: ...de 2 Verify there is 12 Volts going to the Blue wire when A C or switch is turned on Fan Does Not Go Into High Mode Immediately After The A C or Manual Override Is Turned On Fans Stays In High Mode After Turning Off The A C Or Switch 1 After the A C or switch is turned off there is a 30 second delay before the FAN PWM will resume its normal variable speed operation 2 Verify there is no power prese...
Page 28: ...the product This warranty does not apply to any product damaged by improper installation misuse abuse improper line voltage fire flood lightning or other acts of God or a product altered or repaired by anyone other than SPAL USA This warranty is in lieu of other warranties expressed or implied including any implied warranty of merchantability No person is authorized to assume for SPAL USA any othe...
