Megatrol Operations Manual
Contents
1. Rev C Use it to Press and hold for 2 seconds then release it to start setting the real time clock TOD During time setting press TIME to decrease the hours or minutes value that is being set When doing system programming press TIME to scroll to the previous message After selecting a message the system displays the associated value press TIME to decrease the value 17 SET key equivalent to Select or Accept It functions as an Enter key of a personal computer it is the proverbial hit any key to continue Press the Set key to After using the spa press the SET key to tell the controller to take over the management of the spa During temperature setting press the SET key to lock in a new selected temperature During time of day programming press the SET key to lock in the hour and the minutes When a message is displayed during parameter programming press SET to select that message When a parameter value is displayed press SET to accept the displayed value and return to message display During option programming press SET to toggle a parameter ON or OFF When a HLoH error message is displayed press the SET key to clear the error if the cause has been corrected Pressing the SET key the user acknowledges that the cause of the hi limit error has been or will be corrected NOTE UP is same key as TEMP and DOWN is the same key as TIME These are used interchangeably and mean the s2. a Always check water temperature with an accurate thermometer b Prolonged immersion in hot water may induce hyperthermia This occurs when the internal temperature of the body reaches a level of several degrees above the normal body temperature of 98 6 F 37 C Its symptoms are dizziness fainting drowsiness lethargy and an increase in the internal temperature of the body The effects of hyperthermia include unawareness of impending hazard failure to perceive heat failure to recognize the need to exit the spa physical inability to exit the spa fetal damage for pregnant women and unconsciousness resulting in a danger of drowning WARNING The use of alcohol drugs or medications can greatly increase the risk of fatal hyperthermia in hot tubs and spas TO REDUCE THE RISK OF ELECTRICAL SHOCK Replace damaged or frayed cords immediately for cord and plug connected units only Rev C 11 12 13 14 15 16 17 18 Connect only to a ground type receptacle for cord and plug connected units only Do not bury cord for cord and plug connected units only This equipment is provided with a ground fault circuit interrupter on the equipment pack within the controller door Before each use of your spa with the unit connected to the power push the test button A trip indicator should appear Push the reset button The trip indicator should disappear If the interrupter fails to operate in this manner
3. Rev C 16 STATUS CONTROL GROUP The keys in this group are used to communicate to the controller system settings and option selection s There are 3 keys in this group and 3 functions that are combinations of these keys Key Press Function TEMP up arrow Prog Temp or Next TIME down arrow Prog TOD or Previous SET key Select or Accept Enter SET amp TEMP Invert display SET amp TIME Parameter programming TEMP amp TIME System programming Table 2 Status Control Keys Summary TEMP key which is also the UP ARROW key is a repeat key if held down Think of this key as or next Use it to v v v Press and hold for 2 seconds then release it to start desired temperature selection During temperature setting press TEMP to increase selected temperature When doing system programming press TEMP to scroll to the next message After message selection the system displays the associated value press TEMP to increase the value NOTE When the display is inverted you will be able to read the display from inside the spa However the keys will retain their functions and will not be inverted The UP ARROW will still function as the UP ARROW even though when you look at it from within the spa it appears to be the DOWN ARROW The same also applies to the rest of the keys TIME key which is also the DOWN ARROW key is also a repeat key Think of it as or previous
4. SYSTEMS Procedure amp User Programming Manual For All Digital Spa Controls Acura Spa Systems nc 2954 Rubidoux Bivd Riverside CA 92509 Phone 951 684 6667 Fax 951 684 6677 WWw acuraspa com Rev C TABLE OF CONTENTS Contents Safety Instructions seien leerer 1 Megatrol Digital Spa Control nennen 5 Universal Spa COMO ne ee s rn k 6 PM5010 Top S de PANE uses 7 PM7000 Top Side Pane liste cto cmcercranmeaeaaestsinesi dnc O n 8 PM3002 Top Side Panel ses aa ae 9 HL2000 Top Side Panels eek 10 MN2000 Top Side Panel ccicccstsseccicssrtastissoiissresrordinsdieesdecersemmbatehiiibindadedatonsniss 11 PM6000 Top Side PANE sak k ri 12 In a Hurry Read These 13 Setting Temperature cece cceeeceeeee o RR 13 The SET KEY een ee needed 13 TME OT Day ka ueber 14 Setting the Time of Day see ea 14 USING THE TOP SIDE CONTROL unse 15 Device Control OU anne ln 15 Summary of Device Control Key Functions 4242444444444000 Rn 16 STATUS CONTROL GROUP zasa 17 PROGRAMMING THE TOP SIDE CONTROL 44440 19 Example Program filtration period 2 to start at 5 45 PM cece 20 PARAMETER MENU LISTS sinosis sosok sios s ska n dvnkovsa n uk s nok avon van 21 PROGRAMMING SYSTEM OPTIONS 444440s0402222nnnnnn nenne nennen 24 USER OPTIONS komuddnmamomuiebn men owen moma 25 PROTECTED OPTIONS ana 26 DIAGNOSTIC VALUES een 27 ERROR MESSAGES une een 28 MEGA
5. C 1 Rev C RISK OF ELECTRICAL SHOCK Install at least 5 feet 1 5 meters from all metal surfaces Do not permit any electrical appliances such as radio television telephone lights etc within 5 feet 1 5 meters of a spa or hot tub The water in a spa or hot tub should never exceed 104 F 40 C Water temperature between 100 F 38 C and 104 F 40 C is considered safe for a healthy adult Lower water temperatures are recommended for extended use exceeding 10 or 15 minutes and for young children Since excessive water temperature has a high potential for causing fetal damage during pregnancy pregnant or even possibly pregnant women should limit spa and hot tub use and its water temperature to 100 F 38 C Consult your physician for further restrictions RISK OF ACCIDENTAL DROWNING The use of alcoholic beverages drugs or medications before or during spa use may lead to unconsciousness with the possibility of drowning and could be fatal RISK OF ACCIDENTAL DROWNING DUE TO HYPOTHERMIA If spa water temperature falls below 98 6 F 37 C hypothermia may result Hypothermia is defined as very low body temperature and is caused by loss of body heat after prolonged immersion in cold water Its symptoms are blueness of skin color extreme fatigue slowing of heartbeat and lowering of blood pressure Hypothermia can cause coma permanent brain damage and possibly death REGULATING TEMPERATURE Temp button on SoftTouch panel
6. depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Pump si Pump II I P Pump IV Spa Light v Status Control Group A Up Time Down Set O Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed or defective key from locking up the system Rev C 9 HL2000 Top Side Panel a fr HEATER 110 Hi Hot tine D oe Figure 6 HL2000 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The spa side controls are interchangeable all functions can be done from either spa side control The spa side controls have 6 membrane type switches which when depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Pump Pump II v Spa Light Status Control Group A Up Time Down w Set Q Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes
7. 1 FR2 12 00 Start time of filtration period 2 FP3 12 00 Start time of filtration period 3 FP4 12 00 Start time of filtration period 4 Note If filtration periods overlap the most recent period last is in effect SIL 12 00 Start time of filtration period This is a period during which nothing will run It overrides all filtrations the economy cycle and temperature sampling Except if temperature drops below 40 or if temperature reading drops more than 10 F below the set temperature A Spa may be installed near a bedroom and need not come on at specific times for example between midnight and 7 in the morning FP1d 0 0 240 Duration in minutes FP1 timer will run FP2d 0 0 240 Duration in minutes FP2 timer will run FP3d 0 0 240 Duration in minutes FP3 timer will run FP4d 0 0 240 Duration in minutes FP4 timer will run SILd 0 0 12 Duration in hours the Silence Timer runs Only a user may override the silence timer Note Keep the value of any timer to 0 to keep it from running Filtration timers must be programmed first one first If the FP1d first timer has duration of 0 Auto Filtration will be in effect and all 4 programmed timers will be disabled Rev C 21 Msg CLDN ECL CHCL UTO PUF Rev C Min 30 60 10 30 Def 60 180 60 20 60 Max 180 240 180 60 180 22 Detail Cool Down Cycle in seconds Whenever the heater is turned OFF the pump keeps running
8. SAVE THIS MANUAL Make it available for other spa users You should also have a spa user s manual which explains how to operate and care for your spa Please read and follow all instructions in your spa user s manual Maintaining the proper levels of pH and the sanitizer will extend the life of you spa equipment Improper chemical levels in the spa are sure to cause premature heater failure as well as failure of other components in the system Failures caused by chemical imbalance are not covered by warranty Rev C 6 PM5010 Top Side Panel Figure 3 PM5010 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The Spa side controls are interchangeable all functions can be done from either spa side control The spa side controls have 7 membrane type switches which when depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Jet eS Jet Il wee Aux S Light v Status Control Group A Up Time Down Set Q Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed
9. internal and is indicative of what the processor sees as temperature It is used to calibrate the temperature reading Increase this value by 1 to decrease the displayed temperature by 1 Decrease this value by 1 to increase the displayed temperature by 12 For example if the controller is displaying a temperature 2 lower than the real temperature increase this value by 4 to get a correct reading The total range of this parameter is 10 Fahrenheit Before doing a calibration please read the warning note at the bottom of the page SEND This menu message has no numerical value Pressing SET while it is displayed records and saves all changes made to all parameters CANC This menu message has no numerical value Pressing SET while it is displayed discards all changes made to all parameters WARNING The recommended maximum temperature of a spa is 104 F The absolute maximum beyond which no one should ever be exposed is 108 F When you calibrate the spa temperature you are doing so at your own risk Obtain an accurate medical thermometer to check against Please contact Acura Spa Systems Inc for proper procedure or if you do not feel confident 23 PROGRAMMING SYSTEM OPTIONS Systems Options Programming is a means of setting the various system options The U and P options are of the ON OFF or 1 0 type the option is either 1 or ON or it is O or OFF The D options can only be displayed and may not be changed by
10. manual which explains how to operate and care for your spa Please read and follow all instructions in your spa user s manual Maintaining the proper levels of pH and the sanitizer will extend the life of you spa equipment Improper chemical levels in the spa are sure to cause premature heater failure as well as failure of other components in the system Failures caused by chemical imbalance are not covered by warranty Rev C 5 Universal Spa Control Figure 2 Universal Spa Control Thank you for buying a USC digital spa control system from Acura Spa Systems Inc Many years of experience went into the design of this family of controls You can be assured your spa control system is the most advanced it is highly reliable and will serve you for many years to come The control system has been designed with you the user in mind It is very easy to operate and requires a minimal effort on your part You may use it just as it comes to you and without any programming Yet you have the option of getting deeply involved in the inner workings of the control if you so choose You can custom tailor it to fit your needs Please take the time to read at least the first section IN A HURRY READ THIS portion of the manual before starting to use your spa for the first time You can familiarize yourself with the rest of the manual at your leisure This manual will also serve as a reference if you choose to modify the operation of your spa
11. need to be replaced The pressure switch may be out of adjustment Adjusting the pressure switch is best left to a trained technician Rotating the knob counter clockwise will reduce the pressure required to close the switch The pressure switch may be bad Replace the pressure switch CboH Control Box Overheat Summer temperatures and a well insulated spa can cause the ambient temperature in the control box to rise more so if one or more pumps are running This error code indicates that the ambient temperature inside the control box is over 115 F and the spa water temperature may not be accurately measured To eliminate this error turn the spa off for a time and or vent the equipment compartment ToE Time Out Error It is not likely that you will ever see this error it indicates that the systems heartbeat is out of control All devices will be shut down and the spa is unusable This message will rarely ever occur but if it does the PC Board must be replaced 29 Rev C 30 MEGATROL INDICATOR LIGHTS A 120V Power Supply to Terminal Block L1 N B 240V Power Supply to Terminal Block L1 L2 C Low Pump ON D High Pump ON E 2 Pump High ON F 3 d Pump High ON OR 2 4 Pump Low ON G 4 Pump High ON H Blower ON Heater 1 ON J Heater 2 ON Optional Items The indicator lights provided on the upper left side of the Megatrol series indicate the A C Power supply to the c
12. non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed or defective key from locking up the system Rev C 10 MN2000 Top Side Panel A et nn Figure 7 MN2000 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The spa side controls are interchangeable all functions can be done from either spa side control The spa side controls have 6 membrane type switches which when depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Pump rs Pump II Spa Light v Status Control Group A Up Time Down Set Q Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed or defective key from locking up the system Rev C 11 PM6000 Top Side Panel re 8 PM6000 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The spa side controls are interc
13. or defective key from locking up the system Rev C 7 PM7000 Top Side Panel Figure 4 PM7000 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The Spa side controls are interchangeable all functions can be done from either spa side control The spa side controls have 6 membrane type switches which when depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Pump Aux E Spa Light v Status Control Group Up Down v Set Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed or defective key from locking up the system Rev C 8 PM3002 Top Side Panel Figure 5 PM3002 Top Side Control Within the panel housing is a 4 digit LED display used to communicate to the user the spa temperature time elapsed user time programming status diagnostics error codes and messages The Spa side controls are interchangeable all functions can be done from either Spa Side control The spa side controls have 7 membrane type switches which when
14. or the sensor is repaired replaced When the error has been corrected you must press the SET key to acknowledge that you the spa user are aware of the error condition and should have the proper repairs done SEoP Sensor Open Sensor Open or disconnected and the controller cannot determine the spa temperature The heater is disabled but the spa is operational The sensor must be replaced or reconnected for this message to go away 28 F G Rev C SESH Sensor Short The sensor is shorted and is non functional Temperature cannot be determined the heater is disabled but the spa is still operational Sensor must be replaced for this message to go away PSoC PSoL PSoH Pressure Switch Open with Circulating Low or High Pump s The pressure switch is not closing because of insufficient water going through the heater Solutions F 1 F 2 F 3 F 4 F 5 F 6 F 7 F 8 Make sure the pump motor is ON Make sure the pump is primed and pumping water through the heater at 1 5 psi or higher pressure If the pump is not ON check for proper voltage going from the control box to the motor If the proper voltage is present at the motor and the motor is not running change the motor Check the incoming voltage to the control box at the main power Terminal block If no voltage is going to the motor from the control box outlet when the pump switch is on then the problem is in the control box The PC board may
15. pump P8 0 There is only one secondary pump 1 There are two secondary pumps Note If P8 is ON then by definition both secondary pumps must be single speed Warning An improper setting of P7 and P8 can result in damage or even destroyed pump motors It can also cause the controller s printed circuit board to catch fire Only trained service personnel should carry out changes If unsure please contact Acura Spa Systems Inc Rev C 26 DIAGNOSTIC VALUES Rev C The D options are internal values and may not be changed from the control panel When a D message is displayed press the SET key to see what the associated value is Here is a brief explanation D1 D2 D3 D4 D5 D6 D7 D8 What the microprocessor is reading as relative temperature What the microprocessor is reading from the keys What the microprocessor is sending to the relays Accumulated count of temperature errors encountered Accumulated count of hi limit errors encountered Accumulated count of heartbeat errors encountered The firmware revision number The manufacturing year and week in the form yyww 27 ERROR MESSAGES There are 8 error messages that the digital controls may display Here is a list of these messages and what they indicate A C D Rev C CoLD Temperature in the spa heater housing is below 40 Fahrenheit Because spa OH HLEr temperature should never get this low the status of the heater eleme
16. the extra seconds to even the temperature of the heater element and the surrounding water to prevent scale buildup and premature heater failure Economy Cycle Length in minutes Time in minutes to specify the intervals between spa temperatures sampling when the spa is not in use During this period the spa is in sleep mode The low speed pump may turn on to prevent the pipes from freezing Temperature is sampled at the end of the period Channel Clear in seconds Time in seconds to clear the air channel and the secondary pump s plumbing if the spa has not been used for a period of 24 hours This prevents water stagnation in the plumbing User Time Out in minutes The time in minutes from starting any device after which all devices will be turned OFF and the spa put into not in use mode If you should leave the spa with a pump or light running it will be turned off after the specified time Post Use Filtration in minutes Time in minutes to perform Post Use Filtration This is the optimal time to filter the spa When you have finished using the spa that is when it needs filtration the most Press the SET key to turn everything OFF and start this cycle It is in addition to the standard filtration cycles Pressing any other key will cancel this function Rev C Msg Min Def Max Detail CALB 194 208 218 This is not a time element It is one of the distinctive features of the control systems The number is
17. the user To initiate options programming press the UP and DOWN arrows together There are 3 groups of 8 options each User Options U1 to U8 Protected Options P1 to P8 Diagnostics D1 to D8 When programming groups 1 and 2 U and P options either the letter U or the letter P is displayed followed by a number 1 to 8 a Space and the number 1 if the option is ON or 0 if the option is OFF For example if the third user option was OFF the letters U3 0 will be displayed If it was ON the display will read U3 1 Use the scroll buttons UP and DOWN to navigate through the different options Press the SET key to toggle a displayed option s status from 0 to 1 or vice versa Go to SEND and press SET to save changes Alternatively go to CANC and press SET to discard all changes and restore previous settings The Diagnostics are not options but rather they display internal values that are indicative of the internal state of the processor They are useful for a serviceman or a technician to pinpoint hardware problems and error conditions The following tables list the User Options and the Protected Options and their significance when they are ON and OFF Rev C 24 USER OPTIONS Ul U2 U3 U4 U5 U6 U7 U8 0 Economy mode is ON In this mode water temperature is sampled every 3 hours or whatever ECL is set to If the spa is being used the economy mode is OFF 1 Auto Maintenance is ON Temperature is sampled and acte
18. there is a ground current flowing indicating the possibility of an electrical short Disconnect the power from the unit until the source of the breakdown has been identified and corrected Provide drainage of compartment for electrical components Before entering a spa or hot tub measure the water temperature with an accurate thermometer The tolerance of water temperature regulatory devices may vary as much as 1 F 0 5 C Persons suffering from obesity or with a medical history of heart disease low or high blood pressure circulatory system problems or diabetes should consult a physician before using a spa or hot tub Persons using medication should consult a physician before using a spa or hot tub Some medications may induce drowsiness while other medications may affect heart rate blood pressure and circulation The electrical supply for this product must include a suitably rated switch or circuit breaker to open all ungrounded supply conductors to comply with Section 422 20 of National Electric Code ANSI NFPA 70 1987 a disconnecting means must be readily accessible to the tub occupant but installed at least 5 feet 1 5 meters from the tub PRESSURE WIRE CONNECTOR for all units A pressure wire connector is provided in the control box inside the unit to permit connection of a minimum No 8 AWG 8 4 mm solid copper bonding conductor between this point and any metal equipment metal enclosures of electrical equipment meta
19. N l Heater 1 E F G H J Indicator light D is ON voltage is measured on the control box receptacle between the white and black wires If the pump is wired correctly then the high speed pump is ON If the high speed pump is not ON then D1 The pump motor is bad D2 The motor has a tripped thermo overload due to high ambient temperature in the equipment bay ambient temperature higher than 122 F D3 Voltage drop below 216 Volts may cause the motor to overheat A marked 230 Volt motor will not operate below 207 Volts 60 Hz A marked 115 Volt motor will not operate below 104 Volts 60 Hz Indicator light D is OFF D4 If indicator light B is ON and the high pump indicator on the Top Side control is ON then the PC board relay is not engaging Change the PC Board removing the plastic cover on the relay may free a stuck relay switch Heater 1 ON Indicator light I is ON there is voltage on heater terminal The heater should be heating unless the heating element is bad to confirm a bad heating element use an Amp meter and verify the amperage when indicator light I is ON Indicator light I is OFF If the heater indicator on the Top Side control is ON and the Top Side LED is displaying PSOL PSOH or PSOC refer to section 17 F below Pumps Blower Heater 2 These are optional items and may or may not be installed in your spa If these items are installed then the appropriate i
20. Rev C 19 Example Program filtration period 2 to start at 5 45 PM Press SET amp DOWN UP SET UP UP SET DOWN SET DOWN DOWN DOWN SET Display FP1 FP2 12 00 1 00 5 00 5 00 5 45 FP2 FP1 CANC SEND Temp Explanation Start programming the display first message is Filtration Period 1 Scroll up to Filtration Period 2 Select FP2 The display shows the current FP2 start time with the hour portion flashing Increase the hour value by 1 Press UP key 4 more times or press and hold for auto repeat The hour is set the minute portion flashes Press UP 15 times or press and hold for auto repeat FP2 set to 5 45 PM and the current message is displayed again Scroll to previous message Previous message if you press SET when CANC is displayed all changes will be discarded Previous save changes Changes saved Exit programming mode Display current spa temperature time or operating message The table on the following pages is a list of all menu items their minimum default and maximum values and an explanation of the function of each parameter Note Time parameters have two components the hours and the minutes When programming a time element first the hour portion is programmed flashing When the hours are set press the SET key to program the minute s portion Rev C 20 PARAMETER MENU LISTS Msg Min Def Max Detail FPL 12 00 Start time of filtration period
21. TROL INDICATOR LIGHTS nn 31 ELECTRICAL CONNECTION INSTRUCTIONS esse 33 GFCI Requirements ne ee nn 33 Circuit Breaker Requiremenis u uusnu u nenne 34 Terminal Block Electrical Connections 120V ceeeeeeeceeeeeeeeeeeeeeeeeeeees 34 Terminal Block Electrical Connections 240V uuuuuussnnennnnnnnnnsnnnnnnnnnnn 35 CONDITIONS OF ACURA SPA SYSTEMS LIMITED WARRANTY en 36 Rev C i Rev C Safety I nstructions WARNING Make sure your hot tub is properly wired per National Electric Codes and local codes and regulations WARNING Make sure all electrical work is done by a licensed electrician YOU MUST READ AND FOLLOW ALL I NSTRUCTI ONS A WARNI NG Before operating your spa do the following 1 Turn Heater OFF 2 Fill Soa with water Water level should be halfway up the skimmer opening 3 Make sure that all the valves are open 4 Release all air from filter and heater chamber see your filter s manual 5 Turn jets on high for a few minutes NOTE FAI LURE TO FOLLOW THESE STEPS BEFORE OPERATI NG THE SPA SYSTEM MAY CAUSE A DRY FI RE AND WILL VOI D YOUR WARRANTY B RI SK OF CHI LD DROWNI NG DANGER Extreme caution must be exercised to prevent unsupervised access by children To avoid accidents ensure that children cannot use a spa or hot tub unless they are closely supervised at all times C TO REDUCE THE RISK OF INJ URY TO PEOPLE DANGER 1 Do not remove suction fitting Rev
22. ame thing Scrolling means pushing either the UP or the DOWN key to go to the next or previous item or value Rev C 18 PROGRAMMING THE TOP SIDE CONTROL Parameter Programming is a means by which the spa owner user can change the various timing elements and calibrate temperature The process is simple and intuitive Only 3 keys are used UP DOWN and SET To program one or more parameters follow this outlined procedure 1 Press the SET and DOWN keys together The first message in the menu FP1 will be displayed Use the UP amp DOWN keys to scroll through the messages in the menu Press the SET key to display the current value associated with the current message Use the UP or DOWN keys to increase or decrease the value Press SET to lock in the new value and return to the menu If another item needs programming go to number 2 above To save changes scroll to message SEND and press SET To discard changes and restore previous values scroll to message CANC and press SET The menu of parameters is circular Scrolling is from first to last or from last to first When in programming mode please note that this mode will be cancelled if there is no key activity for a period of 60 consecutive seconds Programming mode is aborted and all changes will be restored to previous values On the following page is an example of how to program a filtration period When in programming mode you may program as many parameters as needed
23. are warranted by their original manufacturers No person agent distributor dealer service facility or company is authorized to change modify or amend the terms of this limited warranty in any manner or fashion whatsoever Except and to the extent provided in this limited warranty Acura Spa Systems makes no express warranty regarding Acura Spa Systems products Further all implied warranty relating to any portion of this product including any warranty or merchant ability or fitness for a particular purpose is limited to the duration of the applicable expressed warranty contained above Acura Spa Systems shall not be liable to the purchaser or to any other person for any incidental or consequential damages so the above limitation and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Acura Spa Systems Inc is headquartered in Riverside California Any legal claims filed against Acura Spa Systems Inc or its officers must be filed in the district of Riverside California This warranty is subject to change only by Acura Spa Systems Inc Rev 05 Important Notice In order to allow Acura Spa Systems to better service customer needs please provide us with model and serial numbers which are located on the front of your product odel No Serial No Date Purchased Mfg Code Dealer Name Dealer Address City St
24. ate Zip R G A ACURA SPA SYSTEMS INC 2954 RUBIDOUX BLVD RIVERSIDE CA 92509 FAX 951 684 6677 Rev 05 Rev 05
25. d regulations GFCI Requirements All spa installations must be protected by a GFCI If your spa control box does not include an integrated GFCI then you must use a GFCI breaker per National Electrical Code requirements Carefully read and understand all GFCI instructions provided by GFCI manufacturer Properly connect your electrical wires to the LINE side and LOAD side of the GFCI as marked on the GFCI Common GFCI Wiring Mistake Improperly connecting your GFCI s LINE and LOAD terminals will trip your GFCI when you turn it on and load is present load wires connected to the control box Note If using a GFCI type breaker on 240 Volt 3 Wires the breaker s neutral white wire must not be used and should be capped with a wire nut Rev C 33 Circuit Breaker Requirements 240 Volts 4 Wires L1 L2 N G 30 50 Amp 2 Pole Breaker 240 Volts 3 Wires L1 L2 G 30 50 Amp 2 Pole Breaker 240 Volts 4 Wires L1 L2 N G 20 Amp 2 Pole Breaker 240 Volts 3 Wires L1 L2 G 20 Amp 2 Pole Breaker 120 Volt 3 Wires L1 N G 20 Amp 1 Pole Breaker 120 Volt 3 Wires L1 N G 15 Amp 1 Pole Breaker CAUTI ON A new breaker must be used for a new spa installation Do not use an existing breaker as its condition is unknown When sizing your breaker to your spa multiply the maximum amp load your spa will use by 1 25 30 50 Amp Conversion at 240 Volts Some homes may have limited power service It is possible to operate a 240 volt spa system usi
26. d removal labor is the responsibility of the purchaser For warranty to be effective a maintenance record of regular service must be provided Installer s electrical license number must be provided Installer is responsible for all damages done during or as a result of their installation Replacement parts are only warranted when installed at Acura Spa Systems facility OB TI gt Warranty Limitations Limited Warranty provided by Acura Spa Systems does not cover A Spa shell spa skirt modifications of original product or component not part of Acura Spa Systems products B Any defect malfunction or failure caused by or resulting from improper service maintenance installation or water supply to pump water chemistry packaging for return or repairs made or attempted by other than Acura Spa Systems neglect accident or any other cause beyond the control of Acura Spa Systems C Accessory cords such as for pumps lights blowers ozonators stereos mist pumps etc must be checked for proper electrical connections to their appropriate electrical control box receptacle Improperly wired cords will damage electrical circuitry inside the control and will void warranties D Accessory cords improperly plugged in or plugged into the wrong electrical control box receptacle will damage circuitry inside the control and will void warranties E Uncrating set up or installation adjustment of customer operated controls F Any products with s
27. d upon continuously 0 Low pump on demand The low pump will come on to sample the temperature heat or filter the spa as needed 1 The low pump runs all the time 0 Auto Filtration is one 3 hour long period The length of this period is fixed and cannot be changed It is the minimum recommended filtration time for a Spa 1 Auto Filtration is two periods each 3 hours long The second period starts 12 hours after the first period is executed 0 User timer starts with the first key pressed and shuts the spa off at the end of countdown 1 The user timer is restarted every time a key is pressed 0 Display TOD time of day the first 10 seconds of every minute if the time of day has been set 1 Do NOT display TOD If TOD was not set by the user then it most probably is incorrect and the controller will not display it even if U5 is 0 0 If line frequency is 60 hz then display temperature in Fahrenheit If 50 hz then display Centigrade 1 If line frequency is 60 hz then display temperature in Centrigrade If 50 hz then display Fahrenheit RESERVED do not change Leave set to 0 RESERVED do not change Leave set to 0 The default setting for all U options is 0 Rev C 25 PROTECTED OPTIONS Warning Changing any of the protected options may be dangerous and can result in injury It can also damage the spa and it s equipment as well Changes made by the user are at his her own risk All liability res
28. e of manufacture whichever occurs first Titanium Heaters for the Megatrol and Cosmo Heat Titanium heaters are warranted for 5 years from date of manufacture Pump motors are warranted by the motor manufacturer Parts used for replacement are warranted for the REMAINDER of this original limited warranty period Acura Spa Systems will provide replacement of defective parts without charge subject to the following conditions 1 Owner must provide verification of the date of purchase when requesting limited warranty service sales receipt required 2 All repairs must be performed by an authorized Acura Spa Systems facility If information is needed in obtaining the location of the nearest authorized service facility please contact the service department of the factory Acura Spa Systems does not warrant labor done outside of Acura Spa Systems facilities 3 Units shipped to service facility must be in original shipping carton and or properly packed to prevent damage freight prepaid and fully insured Acura Spa Systems will return units freight collect Please include proof of purchase and description of problem with attached Return Goods Authorization Do not ship without paper Return Goods Authorization Please contact the factory to obtain your Return Goods Authorization number Expenses of shipment and cost of repair of products to an authorized Acura Spa Systems service facility are the responsibility of the purchaser Installation an
29. erial numbers altered or removed Rev 05 ovo Commercial or industrial uses In no event shall Acura Spa Systems be liable for loss of profits indirect consequential or incidental damages Aquassage Boot is not warranted against discoloration cracks cuts or misuse Pump seals and O Rings are only warranted for 90 days from the original date of purchase Damage to Seals and O Rings due to chemicals is not covered by this limited warranty Leaking seals may cause damage to electric motors and this is not covered under the warranty Individually purchased parts and products that are not assembled by Acura Spa Systems Inc are not covered by this limited warranty Dry fired heaters chemically damaged heaters and corroded heaters are not warranted Chemicals with acid mordant substances are harmful to the heater s pump seals and other metal components and will void the warranty Water damaged P C boards improperly installed components or water damaged components will void the warranty All plastic components are warranted to be free from defects in manufacturing Plastic components are not warranted for cracking discoloration fading warping or damage during use outside of Acura Spa Systems Warranty does not cover damage during shipment All items shipped from Acura Spa Systems are shipped insured Please contact the carrier to file a claim Warranty does not cover water damaged or miswired blower motors All parts and motors
30. hangeable all functions can be done from either spa side control The spa side controls have 7 membrane type switches which when depressed generate a signal that the microprocessor will interpret and act upon The switches are labeled and have specific functions They are divided into 2 groups Device Control Group Pump Pump IIH Aux II button Pump IV Aux button Spa Light Status Control Group Up Down 98 0900 Set Note If any of these buttons are pressed and held closed for longer than 20 seconds that button will be disabled and becomes non functional After releasing the button it will be reactivated after 20 seconds This is to prevent a collapsed or defective key from locking up the system Rev C 12 In a Hurry Read This For those who don t like to read manuals or would like to read the manual later please read at least the following section Your control system comes to you programmed with a universal set of default settings If you choose to keep these settings then you only need to remember two things how to set the spa temperature and to press the SET key whenever you are done using the spa Setting Temperature A Press and hold for 2 seconds then release The display will flash the current selected temperature Time or scroll to the desired temperature Temp Q Using Press to lock in the new selection The SET Key After using the spa press Q to tell the microcont
31. l water pipe or conduit within 5 feet 1 5 meters of the unit as needed to comply with local requirements FOR UNITS WITH G F C I Ground Fault Circuit Interrupter The G F C I must be tested before each use FOR UNITS WITH GAS HEATERS Do not install the gas heaters indoors SAVE THESE I NSTRUCTI ONS Rev C 4 Megatrol Digital Spa Control Figure 1 Megatrol Digital Control Thank you for buying a Megatrol digital spa control system from Acura Spa Systems Inc Many years of experience went into the design of this family of controls You can be assured your spa control system is the most advanced it is highly reliable and will serve you for many years to come The control system has been designed with you the user in mind It is very easy to operate and requires a minimal effort on your part You may use it just as it comes to you and without any programming Yet you have the option of getting deeply involved in the inner workings of the control if you so choose You can custom tailor it to fit your needs Please take the time to read at least the first section IN A HURRY READ THIS portion of the manual before starting to use your spa for the first time You can familiarize yourself with the rest of the manual at your leisure This manual will also serve as a reference if you choose to modify the operation of your spa SAVE THIS MANUAL Make it available for other spa users You should also have a spa user s
32. lternatively the LIGHT key may be programmed as a 3 function key Pressing it once will turn the spa light on Pressing it a second time will turn on the attached accessory while the light is still on Press it a third time and both the spa light a accessory will go off Rev C 15 Table 1 summarizes all the possible device key combinations Please note that your spa may not necessarily have all these devices attached Summary of Device Control Key Functions SUMMARY OF FUNCTIONS FOR EACH DEVICE Key Device 1 2 3 4 Single speed pump ON OFF JETS Dual speed pump LOW HIGH OFF Dual speed with Circ pump LOW HIGH OFF Circ pump is independent AIR Single speed air blower ON OFF One single Speed pump ON OFF AUX One dual speed pump LOW HIGH OFF Two Single speed pumps P1 P1 amp P2 P2 ALL OFF LITE Spa light ON OFF Spa Light amp Accessory Both Both ON OFF Spa Light amp Accessory Light Both Both 3 Function ON ON OFF Table 1 Device keys summary of functions The four device keys JETS AIR AUX and LITE are exclusive when one is pressed no other key may be pressed simultaneously You must release the pressed key before you may press another key Also these keys do not repeat If you press and hold a key for more than 20 seconds that key will be considered defective collapsed and will be deactivated and ignored by the system When released the key will stay inactive for 20 seconds before it is recognized and activated
33. mary water pump which is usually a dual speed pump The low speed is used to filter the spa Also while the spa is being heated or there is an error condition the low speed circulates the water and you will not be able to turn it off The JETS key switch on the control panel is a 3 position switch Low Pump High Pump Off Each time the key is pressed the next function is executed If your primary pump is a single speed then only the high pump will be activated Two 2 LED indicators LO amp HI inform you which speed is on Note If your spa is equipped with a circulating pump it will be used for filtration and heating instead of the low speed pump Air Blower If your spa is equipped with an air blower bubbler it is activated by the AIR key This is an ON OFF key An LED will indicate when the air blower is on Auxiliary Pump s Your spa may be equipped with 1 or 2 more pumps If you have a second pump it could be a single speed or a dual speed If you have a third pump then both the second and third pumps must be single speed The function of the AUX key changes with the number and type of auxiliary pumps used Please consult with the table on the following page for the proper sequence of activation Spa Light W The LIGHT key can also be a multifunction key In its simplest configuration the LIGHT key is a simple on off switch It turns the spa light and the accessory if one is attached on off together at the same time A
34. ndicator light s will be ON when there is power to that device The troubleshooting above apply to these items also Note The indicator lights do not display power levels such as 115 V or 230 V they only indicate that voltage is ON to that circuit Rev C 32 ELECTRICAL CONNECTION I NSTRUCTIONS Warning Electricians must check for proper voltages before connecting incoming wires to the control s terminal block Improper electrical connections will immediately damage or destroy components inside the control box and will void your warranty NOTICE All spa electrical wiring must be performed by a qualified licensed electrician and must meet all NEC National Electric Code and state and local codes and requirements DANGER RISK OF ELECTRIC SHOCK 1 The lines carrying power to the spa must be dedicated to the spa and should not be shared with any other appliance s 2 All electrical wiring lines must originate from the electrical panel and terminate hard wired into the electrical wiring compartment The use of extension cord or plug type termination is expressly prohibited and voids the warranty 3 Do not use aluminum wire Use copper wire only 4 Wire gauge must be in accordance with NEC requirements for the distance from current source to spa and the current rating as stated on the ID label that is attached to the control enclosure 5 All wiring conduits must be done per National Electric Code and all local codes an
35. ng a 30 amp breaker Connect 240 Volt power to the system as previously described then set it to operate in the low power mode To set the controller to operate in low power mode you must set system option P3 to 1 Contact your local dealer about this conversion Note Only experienced service personnel should perform conversions Improper modifications may cause damage to the control system and or the attached heater and pump motors Terminal Block Electrical Connections 120V 120 Volt 3 Wires Terminal Block GROUND 0 Volts NEUTRAL WHITE L1 120V Rev C 34 Terminal Block Electrical Connections 240V 240 Volt 4 Wires Terminal Block erminal Bloc GROUND 0 Volts NEUTRAL WHITE 120V LINE 1 120V BLACK ene 120V 240V LINE 2 120V i RED 240 Volt 3 Wires Terminal Block GROUND LINE 1 120V 240V LINE 2 120V gt RED Rev C 35 Rev C 36 CONDITIONS OF ACURA SPA SYSTEMS LI MI TED WARRANTY ACURA SPA SYSTEMS INC 2954 RUBIDOUX BLVD RIVERSIDE CA 92509 FAX 951 684 6677 Acura Spa System Products are warranted to be free of defects in parts and workmanship at time of purchase by the original owner from Acura Spa Systems Inc If this product is found to have a manufacturing defect Acura Spa Systems will repair or replace defective parts with new or remanufactured ones at our option at no charge to the original owner for 18 months from date of original purchase or 2 years from dat
36. nt is unknown Therefore the low speed or circulation pump will run continuously until temperature rises above 45 F A spa should not be filled with water below 40 F Please note that a running pump can heat the spa at approximately 1 2 F per hour During this error condition the spa is functional except for the heater OverHeat The spa is at a temperature that is above 108 F Control will not accept temperature setting above 104 F If for some reason the spa temperature rises over the maximum level the controller will display a flashing 105 F to 108 F If temperature goes past 108 F then the OH message will be displayed instead of temperature The spa is still operational but hotter than any person should be subjected to Please do not use your spa when the temperature is flashing or the OH message is displayed In the summer and especially in warm regions ambient temperature may be high enough to overheat the spa naturally Spas are usually well insulated and can store a lot of heat in the equipment compartment Hi Limit Over Heat Digital controls have a backup water temperature sensor called the Hi Limit If the sensor is disconnected or shorted or if the spa temperature should reach above 112 F the Hi Limit protection circuitry will force all spa functions OFF and will flash the HLEr message on the display It is not possible to use the spa when this error is active Even after the temperature goes down to an acceptable level
37. of each minute If time has not been set then it will not be displayed Setting the Time of Day Time 1 Press and hold for 2 seconds Current time will be displayed with the hour portion flashing Time 2 Release Y a Time 3 Using or Y to scroll up and down to the desired hour Notice the AM led lights to indicate AM hours Q 4 When the correct hour and AM PM are displayed press to lock in the new hour 5 The display will now flash the minutes Time 6 Using or to scroll to the desired minutes 7 When the correct minutes are displayed press 0 to lock in the minutes This sets the time of day Note Time is the only parameter in your control system that is not preserved on power down On power up it will default to 12 00 AM all other parameters are restored to their last setting Every time the controller is powered up the microprocessor automatically measures and determines the line frequency is 50 or 60 cycles in order to maintain the correct time Rev C 14 USING THE TOP SIDE CONTROL Device Control Group There are up to 4 device keys JETS AIR AUX amp LIGHT Your spa will have at least one water pump Optionally your spa may have an air blower a second and or third pump and a Spa light It may not also have a mister or a fiber optic light setup If your spa does not have a specific device please disregard the function of that device Primary Water Pump Each spa should have at least one pri
38. ontrol box as well as the A C Power from the control box to the Pump s Heater s and Blower if installed The Indicator Lights are defined as A 120V B 240V C Low Pump Rev C Power Supply to Terminal Block L1 N Indicator light A is ON 120 Volts is supplied to the Terminal Block Indicator light A is OFF 120 Volts is not supplied to the Terminal Block Power Supply to Terminal Block L1 L2 Indicator light B is ON 240 Volts is supplied to the Terminal Block Indicator light B is OFF 240 Volts is not supplied to the Terminal Block Low Pump ON Indicator light C is ON voltage is measured on the control box receptacle between the white and red wires If the pump is wired correctly then the low speed pump is ON If the low speed pump is not ON then C1 The pump motor is bad C2 The motor has a tripped thermo overload due to high ambient temperature in the equipment bay ambient temperature higher than 122 F C3 Voltage drop below 216 Volts may cause the motor to overheat A marked 230 Volt motor will not operate below 207 Volts 60 Hz A marked 115 Volt motor will not operate below 104 Volts 60 Hz Indicator light C is OFF C4 If indicator light B is ON and the low pump indicator on the Top Side control is ON then the PC board relay is not engaging Change the PC Board removing the plastic cover on the relay may free a stuck relay switch 31 D High Pump High Pump O
39. roller you are done using the spa It will then take over the spa s management including the different filtration cycles heat maintenance economy modes and protection against freezing Upon entering this mode the FILTER light is turned on and a post use filtration cycle is executed that is when the spa needs filtration the most The default system setting includes a 3 hour economy mode the pump will come on at most once every 3 hours to sample water temperature and heat if necessary The controller remembers when you have used the spa and in anticipation of your next usage will perform a 3 hour Auto Filtration cycle before your next spa use The rest of this manual will explain the function of each of the buttons on the control panel how to change programmed settings and what each setting does It will also explain all the error messages that you may encounter and their significance and way to correct them Rev C 13 Time of Day The control system maintains a 12 hour AM PM internal real time clock The clock is based on the line frequency There is no battery backup and whenever the power is turned off the time is no longer correct It defaults to 12 00 AM whenever the power is turned on Setting the time is only necessary if you are going to program the filtration and silence cycles If you use the factory default settings then you do not need to set the time If you set time the controller will display time the first 10 seconds
40. ts with the person doing the changes Only trained service personnel should make changes If unsure please contact Acura Spa Systems Inc Pl 0 There is no additional circulating pump The primary pump is usually 2 speed The low speed is the filtering and heating pump 1 A circulating pump is attached to the system P2 0 The primary pump is a 2 speed pump 1 The primary pump is a single speed pump Note The circulating pump is always attached through the heater All filtration and heating is done with the circulating pump when one is attached to the system P3 0 The system has high amps available 1 The system is only capable of 20 or 30 amps low power In this mode the heater can only operate with the low or circulating pump It is disabled with all other selections P4 0 The LITE key operates as an ON OFF switch The light relay and the accessory relay if installed operate together 1 The LITE key is a 3 function key e Press once the spa light is turned ON e Press again both spa light is ON and accessory is ON e Press a third time for both functions to turn OFF P5 0 60Hz The incoming power is 60Hz 1 50Hz The incoming power is 50Hz Note If you are running on 50Hz incoming power make sure that P5 is set to 1 P6 0 Air blower is enabled The AIR key is active 1 Air blower is disabled The AIR key is deactivated P7 0 Secondary pump is a single speed pump 1 Secondary pump is a dual speed
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