Luraco iFill 4 L0903A User manual

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iFill 4 Spa Control System
MODEL L0903A
MasterBox Control Keypad
When using electrical equipment, basic safety precautions should always be followed to reduce the risk
of fire, electric shock and injury. Safety precautions are as follows:
1. Read and follow all instructions before using the equipment
2. Keep the cord out of heavy traffic area. To avoid fire hazard NEVER put the cord under rugs or near heat
generating devices
3. Always turn off the equipment before servicing
4. Do not drop or insert any object into any openings
5. Do not operate any equipment with damaged parts
6. This system is for indoor use only
7. Do not attempt to repair or adjust any electrical or mechanical functions on this unit. Doing so will void the
warranty
8. As a condition of acceptability UL requires that this product be installed over a non-combustible surface; if
this product is installed over a combustible surface, a non-combustible layer must be installed between the
device and the surface
9. Any other use not recommended by the manufacturer may result in electrical shock or injury
After reading this owner’s guide, if you have any questions or comments, please call [phone] or contact our technical
support department at [email protected] or visit our website at www.luraco.com for more information
USER’S MANUAL
PLEASE READ AND SAVE THESE IMPORTANT SAFETY INSTRUCTIONS

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FEATURES and OPERATIONS
iFill 4 Features
•Automatic spa fill with intelligent and reliable level sensor
•Can also be used even with a disposable liner
•Time delay setting
•Dual switched outlets
•Dual continuous outlets
•Single drain pump controlled outlet with 3 minute timer
•Heavy duty water valve
•Can be operated in both automatic or manual modes
•Automatic shutdown for Jet and color light if water level in the basin is below the sensor
•Built-in 1 hour timer
•Audible overflow warning in manual fill mode
Installation Guide
I) Overall System Integration
Fig.1: Connection Diagram
ATTENTION:BACKFLOW PREVENTERS ARE REQUIRED FOR EVERY SPA CHAIR. THEY MUST BE INSTALLED ON BOTH HOT
AND COLD WATER LINES TO AVOID LOSING HOT WATER FROM ONE CHAIR TO THE OTHER.
II) System Installation
A capacitive sensor with advanced electronics and firmware are used to detect the water level. This
technology can also work with a disposable liner.

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Fig. 2: Capacitive sensor installed on JET Housing Fig. 3: Input and Output Control Ports
Follow the steps below for the water level sensor installation
a) Connect the sensor cable to MasterBox port named “LEVEL SENSOR”, (Fig. 3)
b) Connect the Water Valve to MasterBox port named “WATER VALVE”, (Fig. 3). Note: The water valve
is unidirectional.
c) Connect the Control Keypad to MasterBox port named “KEYPAD”, (Fig. 3)
d) Connect power to the MasterBox (Note: The blue light on the back of MasterBox should turn on)
ATTENTION:BACKFLOW PREVENTERS ARE REQUIRED FOR EVERY SPA CHAIR. THEY MUST BE INSTALLED ON BOTH HOT
AND COLD WATER LINES TO AVOID LOSING HOT WATER FROM ONE CHAIR TO THE OTHER.
Sensor Delay Time Setting:
The sensor delay time can be adjusted by a knob located next to the blue light.
Depending on the knob position (Fig. 4), a valve shutoff delay time will be added after water reaches the
sensor. This delay allows the user to set the preferred water level in automatic fill mode.
Fig. 4: Time delay setting
III) How to operate the iFill 4 (Be sure that the faucet is open)
ATTENTION: IFILL 4 WILL RUN A SELF-CALIBRATION EVERY TIME THE SYSTEM IS POWERED UP. THIS
CALIBRATION REQUIRES THE TUB TO BE EMPTY (WITHOUT ANY WATER IN IT). BE SURE THAT THE TUB IS
EMPTY BEFORE SYSTEM IS PLUGGED TO POWER OUTLET.

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- Pressing the iFill ( ) button will turn On/Off the Automatic-Fill
- Pressing the JET ( ) button will turn On/Off the JET and color light manually (1 Hr timer)
- Pressing the Valve ( ) button will turn On/Off the water manually (4 minute safety timer)
IV) How to reboot the iFill 4
Please follow the steps below
- Drain all water from the tub completely
- Unplug the power cord of the Masterbox
- Wait about 15 seconds and plug power cord back to power outlet
WARRANTY INFORMATION
One (1) YEAR LIMITED WARRANTY
1. This Warranty applies only to the original purchaser of this product.
2. This Warranty applies ONLY to repair or replacement of any supplied or manufactured parts of this product. The
warranty does not cover normal wear, coating, dropped or abused units.
3. Unless otherwise proscribed by law, LURACO shall not be liable for any personal injury, property or any incidental
or consequential damages of any kind resulting from malfunctions, defects, misuse, improper installation or
alteration of this product.
Attention: Any modification to the product will void the warranty
Important Instructions
If you need to send a unit to us for repair, please follow the steps below.
1. Carefully pack the item in its original carton or other suitable box to avoid damage in shipping.
2. Before packing your unit; be sure to enclose:
•Your name with full shipping address and telephone number
•A dated receipt to PROOF OF PURCHASE
•Include a detailed description of the problem you are having
THANK YOU FOR BUYING LURACO PRODUCTS
LURACO HEALTH & BEAUTY, LLC
1140 107TH STREET, ARLINGTON, TX 76011
TEL: [phone], FAX: [phone]
WWW.LURACO.COM