SV Mini Installation & User Guide

This article is designed to guide you through installing and using the SV Mini controller system.

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This article contains the following topics:

 

 

 WARNINGS

Risk of electrical shock


ALL ELECTRICAL CONNECTIONS MUST BE PERFORMED BY A LICENSED ELECTRICIAN AND MUST CONFORM TO ALL NATIONAL, STATE AND LOCAL ELECTRICAL CODES IN EFFECT AT THE TIME OF INSTALLATION.

  • The appliance should be supplied through a residual current device (RCD) having a ratedresidual operating current not exceeding 30mA.
  • The appliance must be connected to a suitable rated and weather protected power supply. Thesupply line should be a dedicated power circuit and means for disconnection must be incorporated in the fixed wiring in accordance with your local wiring regulations. Means for disconnection from the supply mains should have a contact separation in all poles that provide full disconnection under over voltage Category III conditions.
  • Earthed appliances must be permanently connected to fixed wiring (European models only).
  • The appliance contains no serviceable parts. Do not attempt service of this control pack. Contactyour dealer or authorized service agent for assistance.
  • Turn the mains power OFF before servicing appliance or modifying any cable connection.
  • Suitable for indoor use only or when installed under a weatherproof spa skirt. The appliance should be installed in an enclosure such that all electrical connections cannot be accessible to the user without the use of a tool.
  • Low voltage or improper wiring may cause damage to this appliance. Read and follow all wiringinstructions when connecting to power supply.
  • If the supply cord is damaged it must be replaced by the manufacturer, its service agent, licensedelectrician or similarly qualified persons in order to avoid a hazard.
  • To prevent electric shock hazard and/or water damage to this appliance, all unused receptaclesmust have a water proof seal in place.
  • Parts incorporating electrical components must be located or fixed so that they cannot fall into thebath or spa.
  • Parts containing live parts, except parts supplied with safety extra-low voltage not exceeding 12Vmust be inaccessible to a person in the bath or spa.
  • This appliance must NOT be installed in proximity to highly flammable materials.
  • Water temperature in excess of 38oC may cause hyperthermia (heat stress).
  • It is the spa manufacturer's and/or installer's responsibility to select suitable loads and configureload shed settings (if required) to ensure the system does not exceed its rated maximum total load.
  • It is the installer's responsibility to ensure the floor can support the expected load of the bath or spa and an adequate drainage system has to be provided to deal with overflow water.
  • A whirlpool spa should incorporate a water filtration system where the required level of water purity can be achieved.
  • An adequate drainage system must be provided if the equipment is to be installed in a pit.
  • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been givensupervision or instruction concerning use of the appliance by a person responsible for their safety.
  • Children should be supervised to ensure that they do not play with the appliance.

 

ELECTRICAL INSTALLATION

  • All electrical connections must be performed by a licensed electrician and must conform to all national, state and local electrical codes in effect at the time of installation.
  • The appliance should be supplied through a residual current device (RCD) having a rated residualoperating current not exceeding 30mA.
  • The supply line should be a dedicated power circuit. The installer should consider the sum total load of all devices connected to the SV Mini controller when determining the size of the power circuit and install an appropriately sized circuit breaker to suit. Ensure circuit breaker is rated for motor start up currents. Maximum rated power circuit is 25A.
  • Heater load shedding is set by default, so that the heater load sheds and turns off as soon as any device other than Pump 1 is switched on. The installer should consider this when determining the size of the power circuit required. Heater load shedding can be adjusted if desired. Refer to “Heater Load Shedding” section on page 18 of this manual for further information.

Electrical Specifications

Wiring Diagram (Mini 1)

Output Ratings

Wiring Diagram (Mini 2)

Output Ratings

 

DIP SWITCHES

The dip switches determine the configuration of pumps connected to the SV Mini controllers. The installer must correctly configure the dip switches to match the pump(s) connected to the spa controller. The dip switch bank (illustrated below) has six individual switches. Switches set to the right of the switch bank (away from the numbers) are in the ON position. Switches set to the left of the switch bank (closest to the numbers) are in the OFF position. Refer to diagram below for dip switch settings:

Note: The dip switches will already be set by your spa manufacturer during production and should not require adjusting. This information is for reference when installing a new control to an existing spa.

 

 

SPA PACK INSTALLATION (Floor Mounting Procedure)

The controller should be mounted vertically in a fixed position
Select a suitable location on the spa base and firmly secure spa pack using four (4) x screws of appropriate length backed with flat washers.
Each screw should be positioned in the moulded cut outs of the mounting feet (refer aside). The spa pack should be fixed using ALL four (4) x screw locations to provide adequate support (two screws on each side of the spa pack, front and back).

  • Only use pan, round or truss head screws with flat washers.
  • DO NOT use countersunk screws, they may damage or crack the mounting brackets.

The spa pack should be located at least 10cm (4") above potential flood level. If spa floor is on ground level the spa pack should be raised 10cm (4") above floor level.

IMPORTANT NOTE

The spa pack is NOT intended to be used outdoors. The spa pack MUST be installed in indoor environments only and should be installed in an enclosure so that all electrical connections cannot be accessed without the use of a tool (i.e. under the spa cabinet).

Wall/Bracket Mounting Procedure

An adequate support structure for controller mounting must be provided. The structure should attach to the framework of the spa pool and NOT the spa pool shell itself, and shall be
capable of supporting the weight of the controller.
Firmly secure spa pack to support frame using ALL four (4) x screw hole locations provided on the moulded mounting brackets (refer aside).

  • Only use pan, round or truss head screws with flat washers.
  • DO NOT use countersunk screws, they may damage or crack the mounting brackets.

Notes: 

1. Install spa pack in a suitable position to prevent water dripping onto the unit. In particular, avoid installing spa pack directly underneath keypad or venturi air controls.
2. Waterproof bungs (supplied) MUST be installed on all unused AMP power sockets.

 

HEATER INSTALLATION

The heater MUST be installed on a level horizontal plane only (as shown aside).
The heater CANNOT be laid on its side or on an angle. It must be orientated upright as pictured aside to ensure correct operation of the optical water sensor and thermal cut outs. HEATERS INSTALLED IN AN INCORRECT ORIENTATION WILL NOT BE COVERED BY THE SPANET PRODUCT WARRANTY.
The heater can be plumbed on either suction or discharge lines however water should flow from the spa over the heater sensors first, then returning the heated water to the spa.

                 

Suggested Plumbing Installation

  • The filtration pump and heater mac unions should be connected and tightened before plumbing to the spa.
  • The filtration pump should be installed in a level horizontal plane and must be securely fastened to the spa base or metal frame.
  • The heater should have sufficient clearance from the spa base to allow the mac unions to be easily unscrewed to enable servicing (if required).
  • The heater should NOT be installed floating in mid-air on flexible pipe. We recommend installing close to the spa base plumbed with rigid pipe where possible (as pictured above).
  • The heater can be installed on either the suction or discharge line however the heater MUST be orientated so that the water flows over the internal heater sensors first.
  • We recommend installing a pipe spacer support (that is securely fastened to the spa base or frame). A pipe saddle should then be used to secure the pipe work to the spacer support
  • This design ensures all flex and movement created by water flow through the pipe work is absorbed by the secure point where the saddle is fitted and will minimize the chance of mac unions loosening over time.

 

TOPSIDE PANELS

SV Mini 1 Layout

SV Mini 2 Layout

LED Indicator Lights

The topside panel function buttons (i.e. Pumps, Light, and Blower) feature a green LED light to clearly indicate whether the accessory is ON or OFF. The green LED will light up when the accessory is ON. In addition, the topside panels have three red indicator LEDs to advise the user the current status of the spa:

AUTOMATIC MODE

The AUTO LED indicator turns ON when the filtration pump is in automatic mode. In automatic mode the filtration pump will turn on / off as required to satisfy heating and filtration requirements. If the filtration pump is manually turned on or off the AUTO LED indicator turns OFF. The control will automatically return to AUTO mode after a 45 minute idle timeout period if not returned to AUTO mode by the spa user.

HEATER ON

The Heater LED indicator turns ON when the heater element is active. The heater is automatically
controlled, it will turn ON and OFF as required (in conjunction with the filtration pump) to maintain the set water temperature. If the filtration pump is manually turned OFF the heater will NOT operate.

Note: In some configurations, engaging high speed on a 2 speed pump or operating multiple pumps will cause the heater to load shed and turn OFF (even if heating is required) to keep the system within its rated power supply.

 

SLEEP CYCLE ON

The Sleep Cycle LED indicator turns ON when the spa control is within a designated sleep cycle (if set). During a sleep cycle, all automatic system operation will stop so that the spa is silent – i.e. filtration and heating will not occur.

 

Display Modes

The SV Mini has three (3) x display modes. The spa user can scroll through the different displays by pressing a short single press of either the UP or DOWN button. Each display has a unique icon to indicate the current mode being viewed. As you scroll through each mode a brief title screen will be shown followed by the actual display mode (note change in icon). The available display modes are as follows:

Notes:

1. The default display mode is (W.TMP) water temperature.
2. There is a 10 second inactivity timeout on all non-default displays. No button press for 10 secs display reverts to default.
3. If no icon is displayed the temp shown is from when the filter pump last ran. Once the filter pump next runs for 10 mins the temp will update and W.TMP icon will return.

SET DATE/TIME BEFORE USING THE SPA

Vital control functions require the date & time to be set correctly. Be sure to accurately set the date and time before operating the spa.

WATER CHEMISTRY MAINTENANCE

It is your responsibility to regularly check and maintain the chemical water balance of the spa pool to ensure it remains within reasonable pH (acid/alkaline) limits => (7.4 - 7.6 pH). Unbalanced water chemistry greatly accelerates corrosion and may lead to early product or component failure. Product or component failures caused as a result of poor water chemistry maintenance will NOT be covered by the SpaNET Product Warranty. We recommend you carry out a daily water chemistry test to correctly maintain the pH balance within reasonable limits.

 

SETTING THE DATE & TIME

Be sure to set the date and time before operating the spa. Vital functions such as filtration, sanitisation cycles and sleep timer settings depend on the time and date being set correctly.
- Press a short single press of the DOWN button to change display to Time/Clock setting
- Press the OK button to enter date/time adjustment
- The settings appear in the following order:

  • Time Format (24 hr / 12 hr)
  • Year (yyyy)
  • Month (mm)
  • Day (dd)
  • Weekday (mon-sun)
  • Hours (xx:oo)
  • Minutes (oo:xx)


- Press the UP or DOWN buttons to adjust each setting.
- Press the OK button to confirm each setting and skip to the next one.
- Once the minutes have been selected and confirmed the system will exit the date/time adjustment and the display will return to the default display mode.

                        

Notes:

1. Leap years are taken into account.
2. The system does not automatically adjust for daylight savings times. User must adjust manually.
3. The date/time clock has a capacitor backup which will hold the date/time even if mains power is turned off. The capacitor backup will last 8-12 hours. If power remains off for longer than this period the date/time may need to be set again.

 

AUTOMATIC HEATING / FILTRATION

The SV Mini spa controls have been designed with simplicity in mind. Their intelligent software constantly monitors the spa water, automatically controlling the heater and filtration pump to ensure the desired set water temperature is maintained and required level of daily filtration achieved.
With set-and-forget technology, the spa user simply selects their desired water temperature (10oC - 41oC. Default = 38oC) and thereafter the spa control will automatically heat to and maintain that selected water temperature. This is called demand heating - the filtration pump and heater will be activated when required to maintain the set water temperature. The time spent heating the pool and running the filtration pump under normal operation will be taken into account and where required the pump will run for additional periods every three hours to maintain the minimum level of daily filtration as set by the user.
Dependant on the amount of normal spa use, set water temperature, minimum hours of filtration per day, climatic conditions and season being experienced, the spa control will engage the heater and / or filtration pump for differing periods of time, at differing times of day. The advanced software constantly monitors and recalculates after each heating / filtration cycle to ensure the correct daily filtration time is achieved and desired set water temperature is maintained.
Unless adjusted the SV controller will automatically heat to and maintain the default temperature of 38oC. The water temperature set point can be adjusted from 10oC to 41oC in steps of 0.2oC increments.

Adjusting Set Temperature

- Press and hold the UP or DOWN button to begin set temperature adjustment.
- The display will show the (S.TMP) set temperature indicator icon, the main digits flash and temperature will begin adjusting.
- Press the UP or DOWN buttons to adjust the set temperature by 0.2oC increments to your desired temperature.
- Press OK to confirm and save setting, or wait for the 10 second idle timeout. The main digits will stop flashing and display returns to default display mode.

                                    

Notes:
1. During a heating cycle the SV Mini may raise the water temperature up to 0. 5oC above set temperature point to provide an average water temperature of set point at most times.
2. If an optional heat pump is NOT fitted the spa controller has NO ability to cool the spa water. Lowering the set temperature point will NOT cause the water to cool.
3. If an optional heat pump IS fitted the spa water CAN be cooled as well as heated. Lowering the set temperature point will ensure the heat pump engages/disengages a cooling cycle (if required) to maintain the desired set water temperature so long as H.PMP mode is set to AUTO.
4. If the spa control has been in standby mode (idle) for some time and the set temperature point is adjusted, the filtration/circulation pump may run for up to ten (10) minutes to complete a mixing cycle before the heater / heat pump engages to heat or cool (heat pump only) the water. To skip this mixing cycle and begin heating/(cooling) immediately press the PUMP A button multiple times to toggle the filtration pump through ON/OFF/AUTO. Once AUTO is re-engaged the heater will activate immediately.

 

 

PUMP OPERATION

A designated filtration pump (pump 1) will automatically switch on and off as required to perform filtration and heating functions. All pump(s) will also operate for a short period during the daily sanitise cycle. In addition, the following manual pump controls are provided and will override automatic control.
The pump buttons are located on the right-hand side of the topside panels. The functions of the pump buttons change depending on pump configuration, however the Pump-A button is used to control the filtration pump (pump 1). For every press of a pump button the screen will temporarily display the selected pump state: ON, OFF, LOW, HIGH or AUTO and then revert to the default display mode. Possible pump configurations & button sequences are referenced in the tables below:

SV Mini 1 Pump Buttons

  SV Mini 2 Pump Buttons

Notes:

1. If left ON, pumps automatically turn OFF after a 30 minute time-out period from the last button press.
2. If pump 1 is operating and heater is ON and pump is to be switched OFF, the pump will turn off after a 5 second delay – to allow the heater to cool down.
3. In some configurations, engaging high speed on a 2 speed pump or operating multiple pumps will cause the heater to load shed and turn OFF (even if heating is required) to keep the system within its available power supply.

 

BLOWER OPERATION

SV Mini 2 Models Only

SV Mini 2 models feature a dedicated air blower power socket and button. The blower button is used to toggle the air blower ON/OFF and allow adjustment of the blower speed. The selected speed is saved and will be restored the next time the blower is turned on, for future on/off use. Two modes of operation are provided.

Variable Speed Mode

Press the BLOWER button once to activate blower in variable speed mode
- Display will flash VARI then present the blower speed (b.SPD) adjustment menu
- Press the UP or DOWN buttons to increase/decrease blower speed
- Press the OK button to confirm or wait for 10 second idle time-out
- Once running press the BLOWER button again to turn blower OFF

Ramping Mode

- Press the BLOWER button TWICE to activate blower in ramping mode
- Display will flash RAMP and blower operates in a ramping speed manner
- Once running press the BLOWER button again to turn blower OFF

                     

Notes:
1. When blower is first turned ON it will always run at maximum speed for 3-4 seconds before
changing to the last used speed.
2. If left ON, blower will automatically turn OFF after a 30 minute time-out period from the last button press.

 

LIGHT OPERATION

Multi-colour LED lighting effects

The light button is used to toggle the spa light(s) ON / OFF and to access the light mode menus. The features that can be adjusted are the light colour, light effect mode, light effect transition speed, and light brightness. All light settings are saved and will be restored the next time the light is turned ON, for future ON / OFF use.

Selecting Light Colour or Effect Mode

Press the LIGHTbutton to turn light(s) on/off => light will display last used light mode. If no changes are required there is no need to do anything further. If however you wish to adjust the light settings refer below:

Use the UP or DOWN  buttons to toggle between the two light modes:

User Colour Mode

If user colour mode is selected press OK or wait 10 seconds for the display to show the current selected colour number. There are 7 colours to choose from (CL:00 – CL:07). Use the UP or DOWN buttons to adjust the colour. Press OK to confirm and skip to the light brightness adjustment or wait for the 10 second inactivity time out.

Fade Effect Mode

If fade effect mode is selected press OK or wait 10 seconds for the display to show the light speed (L.SPD) adjustment screen where the speed of the fade transition between colours can be adjusted. Use the UP or DOWN buttons to increase or decrease the transition speed to your desired level. Press OK to confirm and skip to the light brightness adjustment or wait for the 10 second inactivity time out.

Light Brightness

Once light mode and colour or light speed has been selected the controller offers a light brightness adjustment. Use the UP or DOWN buttons to increase/decrease the light brightness to your desired level. Press OK to confirm or wait for the 10 second inactivity timeout.

Notes:

1. The light mode / user colour / light speed / light brightness adjustment screens are only displayed for 10 seconds each when the light(s) are first turned ON. If no adjustment is made the light(s) will run as per the last used settings, and the screen will time-out and revert to the default display mode. If you wish to adjust the light(s) settings once the light(s) have been running for a period of time, the light(s) must be turned OFF and back ON again to restore the light mode adjustment screens.
2. If left ON, the light(s) will automatically turn OFF after a 45 minute time out period from the last button press.

 

KEYLOCK FUNCTION

How to set full or partial keylock

The keypad buttons can be locked to prevent accidental key presses or to limit access to certain controller functions. This feature is helpful where children are present or spa is used by many people.
There are two types of keylock:

Full Lock - All buttons are disabled
Partial Lock -  Allows use of pumps, blower and light but locks out settings and temperature adjustments.

Full Lock

- Press and hold UP + DOWN + PUMP A until LOCK appears on the display
- Once locked if any button is pressed the key stroke will be ignored and display will show LOCK
- To unlock press and hold UP + DOWN + PUMP A 

Partial Lock

- Press and hold UP + DOWN + PUMP B until LOCK appears on the display
- Once locked only pumps, blower and light can be used. Other key strokes will be ignored and        display will show LOCK
- To unlock press and hold UP + DOWN + PUMP B

 

AUTO DAILY SANITISE

The controller will automatically run a 10 minute sanitise cycle every day at 9:00am. This sanitisation cycle runs the filtration pump and ozone/UV (if fitted) to filter the pool water to restore and refresh water quality.
If pump 1 is a 2 speed pump the pump will run in high speed for the duration of the cycle. In addition at the start and end of the cycle the controller will sequentially run any additional accessories (auxiliary, pump2, pump3 or blower if fitted) for one minute each to purge the plumbing and clear any unfiltered water trapped in those accessory lines.

Notes:

1. If the controller is in a programmed sleep period at 9:00am it will wait until the sleep period ends before the daily sanitise cycle runs.
2. If the spa is in use prior to the 9:00am sanitise cycle start time the cycle is cancelled for the day. Spa in use = button has been pressed and spa has not had the 45 minute inactivity time out expire since the last button press.

 

SETUP MENU

The SV Mini controllers feature a setup menu which allows customization of adjustable software settings.
These settings do not need to be modified often and in most cases the default settings are all that is required, however if the spa owner wishes to customize any settings it is completed through the setup menu.

To access the setup menu press and hold the UP + DOWN buttons simultaneously until display shows FILT
- Use the UP or DOWN buttons to navigate through setup menu items
- Press the OK button to enter setting adjustment
- Press the UP or DOWN buttons to adjust setting
- Press the OK button to confirm and save the setting adjustment

Refer table on the following page for details on setup menu items:

Setup Menu List

* H.PMP and H.ELE setup menu items will only be visable if a SV Series heat pump is installed and
connected to the SV Mini control.

Notes:
1. The setup menu settings are stored in non-volatile memory (EEPROM) and are remembered when the mains power is turned OFF. No need to reprogram settings when power is restored.
2. A ten (10) second idle menu time out period exists. If a button press is not detected for 10 seconds the menu will time out and the screen will return to the default display mode.

FILT – Filtration (total hours per day)

Automatic filtration is provided to ensure that the pool water is filtered for at least a minimum number of hours each day. Total daily run time can be adjusted from 1-24 hours (default = 2 hours). Total filtration run time is broken into smaller blocks which occur every three hours. All time spent running the pump under normal operation (manual use, heating, sanitise cycle) will be taken into account and where required the pump will run for additional periods throughout the day to maintain the minimum level of daily filtration as specified by the user.

SNZE – Sleep Timer

The sleep timer is a very handy feature that enables the user to stop all spa activity and silence the spa during certain times of day or night. While the controller is sleeping NO automatic heating or filtration maintenance will occur, however the spa can still be operated by manual use without the need to adjust sleep time settings. The sleep timer setup consists of defining days of operation and begin time and end time of sleep period. Use the UP or DOWN button to adjust each setting within the sleep setup and press OK to confirm and skip to the next setting. Sleep timer settings are referenced in the table below:

Notes:
1. SV Mini is preset with a default sleep timer – 7 days a week, begin 22:00 (10PM), end 07:00 (7AM)
2. Set 1.DAY=OFF to disable sleep timer
3. If spa in use at begin time of sleep period, spa will not sleep until 45 min inactivity timeout has elapsed

D.DIS – Default Display

The user can adjust the default display mode to show their preferred selection of either: W.TMP (water temperature), S.TMP (set temperature) or TIME (current time and day).

WIFI – WiFi Setup

This menu is only of use if the optional SpaNET SmartLINK or SmartSTREAM WiFi module has been installed and connected to the SV Mini. This menu has three commands that can be executed. Use the UP or DOWN buttons to select desired command and press the OK button to execute – display will show WAIT whilst the WiFi module carries out the command.

HOT - Puts WiFi module in hot spot mode for initial app setup. Note: Once initial app setup has been completed if the HOT command is executed again all WiFi settings will be lost and the app setup process must be run again.

INFR - Forces WiFi module to disconnect/reconnect from the SpaNET app server to refresh connection if spa is not automatically coming online once the app setup process has been completed.

RSET - Deletes programmed settings from WiFi module and returns the module to its factory default state. Note: If this command is executed settings are lost and the app setup process must be run again.

H.PMP – Heat Pump Mode

This setting is only visible if a SV Series heat pump is connected and defines heat pump operating mode. The available operating modes are as follows:

AUTO - Heat pump will heat and cool

HEAT - Heat pump will only heat (Default)

COOL - Heat pump will only cool

OFF - Heat pump disabled

H.ELE – Heat Pump + SV Element Boost

This setting is only visible if a SV Series heat pump is connected and defines how the SV Mini electric heating element operates with a heat pump. By default, this setting is set to OFF which disables the electric heater using only the heat pump for heating. Set to ON to allow the electric element to run in conjunction with the heat pump to boost heating speed if the water temperature is 2oC or more below set temperature point or the heat pump has been operating for more than 1 hour and set point has not been achieved. The H.ELE setting choices are:

OFF SV element disabled (heat pump only)
ON SV element + Heat Pump for heating

 

OEM CONFIGURATION MENU

SV Mini controllers feature a hidden OEM configuration menu which allows
customization of certain important spa control settings.

- To access the OEM config menu on a SV Mini 1 press and hold the hidden buttons (shown by the     red dotted circles aside) simultaneously until display shows L.SHD. For SV Mini 2 press and hold     the PUMP C + BLOWER buttons simultaneously (refer aside)
- Use the UP or DOWN buttons to navigate through the configuration
  menu items
- Press the OK button to enter setting adjustment
- Press the UP or DOWN buttons to adjust setting
- Press the OK button to confirm and save the setting adjustment

Refer table on the following page for details on configuration menu items:

SV Mini 1                                              SV Mini 2

OEM Configuration Menu List

L.SHD – Heater Load Shedding

This setting determines the load shed behaviour of the heating element or heat pump (if fitted). Load shedding is governed by the load shed count (1 to 7). Load shed count = number of loads required to be turned ON for the heater to load shed and turn OFF. The filtration pump is not counted as a load, however all other pumps and the blower are.

Note: For 2 speed pumps, low speed is considered as the filtration pump and therefore is NOT a load, however high speed IS considered a load for load shed count purposes.

Example:
Load Shed Count = 2
When any two loads in addition to the filtration pump are turned ON the heater load sheds and turns OFF.

The L.SHD setting ranges from 1 to 5.
1 = maximum load shed (default)
5 = load shed disabled

IMPORTANT NOTE

BE VERY CAREFUL BEFORE ADJUSTING THE L.SHD SETTING - If the heater load shedding (L.SHD) setting is adjusted it will alter the total current draw of the controller and may EXCEED the maximum rated current of the control system or available power supply. Only qualified service persons or licensed electricians should adjust this setting to ensure the spa remains within the maximum rated current of the spa control or power supply when operated.

A.HYS – Adaptive Hysteresis (Dynamic Thermal Tuning)

The SV Mini controllers feature adaptive hysteresis for heat control to reduce demand heating cycling. Adaptive hysteresis control tunes the temperature sensing to that particular spa pool and environment.
The control starts with an initial hysteresis value of 2oC however this value will automatically increase or decrease as the dynamic thermal tuning learns and adjusts to the thermal properties of the spa. The A.HYS setting allows the installer to set the maximum range that the hysteresis value can be adjusted out to.


The A.HYS setting ranges from 0 to 20oC
A value of 0 disables adaptive hysteresis
Default = 20oC

CAL – Calibration Menu

Every SV Mini is calibrated at factory for mains voltage readings. However, should the SV controller reading not agree with a true RMS multi meter reading it can be adjusted. In addition, if a heat pump is fitted the calibration of the heat pump ambient and condenser temperature sensor readings can be adjusted which can be required if the standard length data cable on the heat pump is replaced with a longer cable. Refer to heat pump user manual for further instructions on how to accurately perform that calibration. Refer to the table on the following page for details on the calibration sub menu:

Calibration Menu List

EPRM – Factory data reset

Execute this command to perform a master software reset to return all settings to factory defaults.
- When EPRM is displayed on screen press the OK button to execute the software reset
- The display will very briefly flash ESET as the reset process takes place
- It is best practise to then reset the mains power (i.e. turn off/on) to reboot the control if an          EPRM factory reset has been performed

Note:
All software values are reset to factory default EXCEPT the L.SHD (load shed) setting as the L.SHD setting will have been customized to suit the particular spa pool and its available power supply by the spa manufacturer or installing electrician.

 

DIAGNOSTIC MENU

The SV Mini controllers feature a hidden diagnostics menu which allows the installer / spa user to view on board diagnostics and historical details about the spa controller.

- To access the diagnostic menu on a SV Mini 1 press and hold the LIGHT + hidden buttons     (shown by the red dotted circles aside) simultaneously until display shows WARN. For SV Mini 2      press and hold the LIGHT + PUMP C + BLOWER buttons simultaneously (refer aside)
- Use the UP or DOWN buttons to navigate through the diagnostic menu items
- Press the OK button to display the diagnostic information on the selected item

SV Mini 1                                       SV Mini 2

 

Diagnostic Menu List

 

HEATING CONTROL & PROTECTION

Fast Heat Cycle

After initial mains power on the SV Mini will perform a fast heat up cycle that enables continuous demand heating regardless of programmed/default sleep timer. Once the set temperature has been reached the fast heat up cycle is cancelled and normal operation resumes and sleep timer is obeyed. The purpose of a fast heat up cycle is to help the spa reach set temperature as soon as possible after it has been powered up. For new spas or spas refilled with cold water it is desirable not to have sleep time delaying the time to takes for the spa to reach set temperature point.

Notes:
1. A fast heat up cycle is cancelled by manually forcing the filtration pump to OFF via the keypad
2. For new spas or when a spa has just been refilled it is common for spa users to test the operation of each pump when the power is first turned on. This process will cancel the fast heat up cycle. After completing testing of the spa functions remember to reset mains power if you wish to reactivate fast heat up cycle.

Freeze Protection

Freeze protection will be activated whenever the water temperature drops below 4oC. It runs back to back 10 minute sanitise cycles and displays “WARM” on the LCD. It also runs each spa accessory (i.e. jet pumps and air blower) in sequence to run water through the pipe work whilst running the filtration pump and heater. During the “WARM” cycle the heater and heat pump (if fitted) will operate however heater load shedding may occur when accessory pumps are running depending on control and load shed settings.
At the end of each 10 minute “WARM” cycle the water temperature is checked. If it is above 4oC freeze protection stops and the controller returns to its prior state. If the temperature is not above 4oC another cycle will run.

Note: Freeze protection overrides the sleep timer– if the water temperature drops below 4oC and the controller is in a sleep period it will wake up. So even if high amounts of sleep time and a low set temperature point have been programmed, the SV Mini will always maintain the water temperature at least above 4oC.

Defrost Cycle (heat pump models only)

During periods of low ambient temperatures defrost cycles may be required to prevent the heat pump’s condenser from freezing. Ambient and condenser temperatures are constantly monitored and defrost cycles will be automatically activated if certain conditions are met. Defrost cycles run for a minimum of 3 minutes to a maximum of 10 minutes.

Overheat Protection

 All SV controllers feature three forms of overheat protection:

1. If sensed water temperature within the heater unit exceeds safe working limits the heating            element will be disabled and the controller will shut down and latch fault code (ER4 - Thermal        Trip). Normal operation will not resume until heater element has cooled and mains power is          reset.
2. If sensed water temperature exceeds 42oC filtration is stopped until the temperature falls below
    42oC to prevent heat rise from filtration pump operation.
3. If sensed water temperature exceeds 45oC the controller will shut down and latch fault code         (Er5 - Pool too hot). Normal operation will not resume until mains power is reset.

 

ERROR CODES / TROUBLESHOOTING

SV spa controllers feature self-diagnostics and scrolling error messages to quickly troubleshoot possible problems. Should the spa control encounter a problem the error code / message will scroll across the topside panel screen until the problem is resolved. If an error condition is experienced all spa functions are shut down and the spa should not be used until the error condition has been resolved. A list of error codes with descriptions of problems and possible solutions is detailed below for your reference.

IMPORTANT NOTE

For most error codes mains power to the spa control must be turned OFF and then back ON
before the error condition will be cleared. Before attempting any troubleshooting always ensure
mains power is isolated and turned OFF.

Heartbeat LED

All SV Mini spa packs feature a red flashing heartbeat LED light. The heartbeat LED is located on the main printed circuit board of the spa pack itself (spa pack enclosure cover needs to be removed).
The heartbeat LED flashes to indicate the current health/status of the spa pack. When the spa pack is functioning correctly with no errors to report the heartbeat LED emits a single flash in a constant pulse much like a heartbeat (ON, OFF, ON, OFF). If the spa pack encounters a fault the heartbeat LED will begin flashing in sequence with the error code number being experienced (ie. ER2 = ON,ON; OFF ON,ON; OFF).
If the keypad display is ever blank a spa user can still determine the health / status of the SV Mini controller by removing a panel from the spa skirt and checking the heartbeat LED on the front of the spa pack itself.

ER-2 HEATER PLUG

Problem: 

No heater sensor communication

Cause:

Heater sensor communication problem. Sensor cable is not correctly connected to spa
control or is damaged

Solutions:

  1. Turn mains power OFF, remove spa cabinet panel and SV Mini enclosure cover
  2. Check heater sensor cable is firmly plugged into spa control socket labelled HEATER
  3. Unplug and re-plug heater sensor cable to re-establish connection to spa control
  4. Check for damage to sensor lead, replace covers and test spa again
  5. Contact spa reseller if problem is not resolved

ER-3 WATER PRIME

Problem:

Water prime failed – air detected in heater tube
Cause:

Airlock in pipe work, low water level, dirty filter cartridges
Solutions:

  1. Press Pump A button to retry water prime
  2. Check spa water level (refill if necessary)
  3. Remove filter cartridges and press Pump A button to retry prime
  4. Bleed airlock from pipe work by slightly loosening couplings on front of filtration pump
  5. Remove filter cartridges and flush water down pipe work with a hose

ER-4 THERMAL TRIP

Problem:

Heater thermal trip activated. Heater has been active and has had insufficient water flow over the element. Low or no water flow has caused the heater temperature to exceed its maximum limits and the spa control has shut down operation to prevent any damage to the heater unit.

Cause:

Low water level, airlock in pipe work, closed shut-off valves, dirty filter cartridges, filtration pump failed or operation intermittent

Solutions:

  1. Turn mains power OFF and wait 20-30 minutes for element to cool and thermal cut-out
    device to reset.
  2. Then turn power back ON
  3. Check spa water level (refill if necessary)
  4. Remove filters and clean as per manufacturer’s recommendations or replace cartridges if
    required
  5. Check under spa cabinet to ensure all shut-off valves are in the OPEN position
  6. Bleed airlock from pipe work by slightly loosening couplings on front of filtration pump or by
    removing filters and flushing water down pipe work with a hose.
  7. Contact your spa re-seller if problem persists

ER-5 POOL TOO HOT

Problem:

Pool over temperature. Temperature sensor reading ≥ 45oC

Cause:

High ambient temperatures (especially in summer months) have caused water temperature to rise above set temp point, Excessive filtration time, Jet pumps have been operating for extended periods with the spa cover still on

Solutions:

  1. Turn mains power OFF, remove spa cover, allow spa to cool then turn power back ON
  2. Check daily filtration time (refer filtration section) and reduce daily filtration time if required
  3. Check spa cover is not resting on topside panel buttons causing jet pumps to start when
    cover is on. Use keylock function to lock keypad buttons when spa not in use.
  4. Contact your spa re-seller if problem persists

ER-6 12V OVERLOAD

Problem:

12V (port) current draw over 1A limit

Cause:

Total 12V current drawn by keypad(s), light(s), expansion ports and in pool temp sensor is
excessive, 12V power supply is overloaded, too many LED light bulbs installed, faulty LED
light

Solutions:

  1. Turn mains power OFF and restart spa to see if problem reoccurs
  2. Perform EPRM software reset to factory defaults
  3. Reduce number of LED lights connected to spa control
  4. Systematically unplug lights, keypads and expansion port loads from spa pack (one by one)
    to identify the faulty 12v device
  5. Contact your spa re-seller if problem persists

ER-8 CTRL FAULT HVS

Problem:

Heater relay is on when it should be off

Cause:

Power surge, periods of low or high voltage, water on spa pack terminal block, relay fault

Solutions:

  1. Turn mains power OFF and back ON again to see if spa control recovers from ER8 fault
  2. Inspect under spa cabinet for evidence of water leaking onto spa control.
  3. If water present, turn mains power OFF and isolate, then resolve leak, dry up excess water, and allow spa control to dry out before restoring power.
  4. Contact your spa re-seller if problem persists

 

 

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