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Fill 5
Intelligent 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 th
is owner’s guide, if you have any questions or comments, please call 817-633-1080 or contact our technical
USER’S
MANUAL
PLEASE READ AND SAVE THESE IMPORTANT SAFETY INSTRUCTIONS