🎛️ ACC LXP-2020 Topside Control Panel – 7-Button Oval Main Control with Piezo Technology and Dual Auxiliary Outputs
Premium 7-button oval main topside with Piezo switch technology, LCD display, and dual auxiliary outputs for ACC SmarTouch Digital and Uni-Pack systems – Replaces KPL-2020
📋 Product Overview
The ACC LXP-2020 Topside Control Panel is a premium 7-button main control from ACC’s LXP series, featuring patented Piezo electronic switch technology for superior reliability. Manufactured by Applied Computer Controls (ACC), this American-engineered panel utilises unique potting techniques to eliminate moisture ingress, offering panel quality and reliability second to none in harsh spa environments.
This large oval panel measures 228 × 90 mm and features an LCD display for clear temperature and time readout. With dedicated buttons for temperature adjustment, jets, lighting, time function, dual auxiliary device control, and a Set function for programming, the LXP-2020 provides comprehensive spa control for single pump systems with dual auxiliary output capability.
Compatible with SMTD2000, SMTD3000, Acura Spas, SmarTouch Digital, and Compack Digital systems, the LXP-2020 connects via a 14-pin ribbon cable connector. This model replaces the discontinued KPL-2020 and is designed for specific ACC system configurations.
⚠️ IMPORTANT COMPATIBILITY NOTICE
The LXP-2020 may look similar to the LX-2020, but they are NOT interchangeable.
To avoid compatibility issues, please ensure you select the correct topside for your spa pack.
⚠️ If your spa pack has a yellow warning label featuring a black lightning bolt inside a triangle, the LXP-2020 topside is NOT compatible with your system.
If you’re unsure which topside is right for your system, contact Parts4Tubs for assistance.
✨ Key Features
- ✅ 7 Button Controls – Maximum functionality in oval design
- ✅ Piezo Electronic Switch Technology – Patented design for superior reliability
- ✅ Moisture-Resistant Construction – Unique potting techniques eliminate moisture
- ✅ LCD Display – Clear temperature and time readout
- ✅ Large Oval Design – 228 × 90 mm form factor
- ✅ Dual Auxiliary Outputs – Aux + Aux 2 for multiple devices
- ✅ Time Function – Built-in time control via Time/Temp- button
- ✅ 14-Pin Ribbon Connector – Secure and reliable connection
- ✅ 1 Pump System Support – Single pump configurations
- ✅ Replaces KPL-2020 – Direct replacement model
- ✅ American Quality – ACC engineering excellence
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | ACC (Applied Computer Controls) |
| Model | LXP-2020 |
| MPN | LXP2020 |
| Series | LXP |
| SKU | TOP-8600 |
| Product Type | Main Topside Control Panel |
| Shape | Oval |
| Total Buttons | 7 |
| Display Type | LCD |
| Max Pumps | 1 |
| Auxiliary Outputs | 2 (Aux + Aux 2) |
| Connection Type | 14-Pin Connector with Ribbon Cable |
| Length | 228 mm |
| Width | 90 mm |
| Switch Technology | Patented Piezo Electronic |
| Moisture Protection | Unique Potting Techniques |
| Overlay Display Cut Out | Yes |
| Replaces | KPL-2020 |
🔗 Compatibility Guide
✅ Compatible Control Systems
| System | Model/Type | Compatible |
|---|---|---|
| ACC | SMTD2000 | ✅ Compatible |
| ACC | SMTD3000 | ✅ Compatible |
| Acura Spas | All models | ✅ Compatible |
| ACC | SmarTouch Digital | ✅ Compatible |
| ACC | Compack Digital | ✅ Compatible |
| ACC | All Uni-Pack Systems | ✅ Compatible |
❌ NOT Compatible With
| Indicator | Action |
|---|---|
| Yellow warning label with black lightning bolt triangle | ❌ Do NOT use LXP-2020 |
| LX-2020 specific systems | ❌ Models are NOT interchangeable |
How to Verify Compatibility:
- 📍 Check your control box for SMTD2000, SMTD3000, or SmarTouch Digital marking
- 📍 Look for ACC, Acura Spas, or Compack Digital branding
- 📍 Check for yellow warning label with lightning bolt – if present, LXP-2020 is NOT compatible
- 📍 Verify 14-pin ribbon cable connection port
- 📍 Contact Parts4Tubs if unsure
🖥️ Display Features
The LCD display provides comprehensive spa information:
| Feature | Description |
|---|---|
| Display Type | LCD |
| Temperature Display | Current and set water temperature |
| Time Display | Time function readout |
| Status Indication | System operating status |
| Visibility | Clear, easy-to-read digits |
| Display Cut Out | Yes (overlay accommodates display) |
🔘 Button Functions & Controls
The 7-button layout provides maximum spa control:
| Button | Function |
|---|---|
| Temp+ | Increase set temperature |
| Time/Temp- | Time function / Decrease set temperature (dual function) |
| Jets | Activate jet pump on/off |
| Lights | Spa lighting control |
| Aux | Auxiliary device 1 control |
| Aux 2 | Auxiliary device 2 control |
| Set | Access programming and settings |
Dual Auxiliary Output Benefits:
- Control two separate auxiliary devices
- Water feature + secondary lighting
- Multiple zone lighting control
- Additional equipment activation
- Expanded spa functionality
Time/Temp- Dual Function:
- Access time functions
- Decrease temperature setting
- Single button, dual purpose
- Space-efficient design
📐 Dimensions
| Measurement | Value |
|---|---|
| Length | 228 mm |
| Width | 90 mm |
| Form Factor | Oval |
Large Oval Design: The LXP-2020 is one of the largest oval panels in ACC’s range at 228 × 90 mm.
🔌 Connection Information
| Specification | Detail |
|---|---|
| Connection Type | 14-Pin Connector with Ribbon Cable |
| Cable Style | Flat ribbon cable with 14-pin plug |
| Connection Port | SMTD2000/SMTD3000/SmarTouch Digital/Uni-Pack Control Box |
Ribbon Cable Benefits:
- Secure connection
- Low profile routing
- Reliable long-term performance
⚠️ Important: This panel uses a 14-pin ribbon connector. Verify your control box has the correct port type before ordering.
🛠️ Installation Guide
Before Installation:
- ⚠️ Disconnect power to spa at the isolator/breaker
- ⚠️ Verify this is the correct model – LXP-2020 is NOT interchangeable with LX-2020
- ⚠️ Check for yellow warning label with lightning bolt – if present, this panel is NOT compatible
- ⚠️ Check cutout accommodates panel size (228 × 90 mm oval)
- ⚠️ Confirm 14-pin ribbon cable connection port on control box
Installation Steps:
- Power Off – Isolate all electrical supply to spa
- Access Control Box – Locate ACC control unit
- Verify Compatibility – Confirm no yellow lightning bolt warning label
- Remove Old Panel – Carefully remove existing topside
- Disconnect Cable – Carefully unplug ribbon connector
- Prepare Cutout – Ensure oval opening is correct size
- Route New Cable – Position ribbon cable for clean routing
- Connect New Panel – Plug 14-pin connector into control box
- Verify Orientation – Ensure connector is correctly aligned
- Mount Panel – Secure in oval cutout
- Power On – Restore power and test functions
Testing Checklist:
- [ ] LCD display shows temperature
- [ ] Temp+ increases set temperature
- [ ] Time/Temp- accesses time and decreases temperature
- [ ] Jets button activates pump
- [ ] Lights button controls lighting
- [ ] Aux button controls auxiliary device 1
- [ ] Aux 2 button controls auxiliary device 2
- [ ] Set button accesses programming
🔍 Troubleshooting
Common Issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Blank display | No power / loose ribbon | Check power, reseat connector |
| Panel not working | Wrong model installed | Verify LXP-2020 vs LX-2020 compatibility |
| Buttons unresponsive | Connection issue | Check ribbon orientation and seating |
| Wrong temperature | Sensor issue (not topside) | Check temperature sensor |
| Pump not responding | Control box issue | Verify control box operation |
| Aux not working | Device connection | Check auxiliary device wiring |
| Time not updating | Programming issue | Use Set to reconfigure time |
Piezo Switch Tips:
- Piezo buttons provide consistent tactile feedback
- No mechanical components to wear out
- Moisture-resistant for long-term reliability
- Clean button surface regularly
🛡️ Maintenance & Care
Routine Care:
| Task | Frequency |
|---|---|
| Wipe panel with soft, damp cloth | Weekly |
| Check button response | Monthly |
| Inspect ribbon connection | Annually |
| Check cable routing | Annually |
DO NOT:
- ❌ Use abrasive cleaners
- ❌ Use harsh chemicals on panel
- ❌ Pull or tug on ribbon cable
- ❌ Press buttons with sharp objects
♨️ Ideal Applications
| Application | Suitability |
|---|---|
| ♨️ ACC SMTD2000 systems | ✅ Compatible |
| ♨️ ACC SMTD3000 systems | ✅ Compatible |
| ♨️ Acura Spas | ✅ Compatible |
| ♨️ SmarTouch Digital systems | ✅ Compatible |
| ♨️ Compack Digital systems | ✅ Compatible |
| ♨️ All ACC Uni-Pack systems | ✅ Compatible |
| ♨️ Replacement for KPL-2020 | ✅ Direct replacement |
| ♨️ Spas with dual auxiliary devices | ✅ Aux + Aux 2 |
| ❌ Systems with yellow lightning bolt warning | ❌ NOT compatible |
| ❌ LX-2020 specific systems | ❌ NOT interchangeable |
Common Installation Scenarios:
- 🔧 Replacement for damaged LXP-2020 topside
- 🔧 Replacement for discontinued KPL-2020
- 🔧 SMTD2000/SMTD3000 system repair
- 🔧 Acura Spas control panel replacement
❓ Frequently Asked Questions
Q: Can I use the LXP-2020 to replace my LX-2020?
A: No. Although they look similar, the LXP-2020 and LX-2020 are NOT interchangeable. Always verify your existing panel model number before ordering.
Q: How do I know if the LXP-2020 is compatible with my spa?
A: Check your spa pack control box. If it has a yellow warning label featuring a black lightning bolt inside a triangle, the LXP-2020 is NOT compatible. Also verify your existing panel is an LXP model, not an LX model.
Q: What does the LXP-2020 replace?
A: The LXP-2020 replaces the discontinued KPL-2020 model.
Q: What is Piezo switch technology?
A: Piezo electronic switch technology is a patented design that provides superior tactile feedback, exceptional durability, and moisture resistance. Combined with unique potting techniques, it eliminates moisture ingress for reliable operation in harsh spa environments.
Q: What systems is this compatible with?
A: The LXP-2020 fits SMTD2000, SMTD3000, Acura Spas, SmarTouch Digital, Compack Digital, and all ACC Uni-Pack controllers (excluding systems with yellow lightning bolt warning label).
Q: What do the two Aux buttons control?
A: The Aux and Aux 2 buttons control two separate auxiliary outputs for additional spa devices such as water features, secondary lighting, zone lighting, or other accessories connected to your spa pack.
🏆 Why Choose the ACC LXP-2020 Topside Panel
- ✅ 7 Buttons – Maximum control functionality
- ✅ Piezo Switch Technology – Patented superior reliability
- ✅ Moisture-Resistant – Unique potting techniques
- ✅ LCD Display – Clear temperature and time readout
- ✅ Dual Auxiliary Outputs – Aux + Aux 2
- ✅ Time Function – Built-in time control
- ✅ Large Oval Design – 228 × 90 mm
- ✅ 14-Pin Ribbon Connection – Secure interface
- ✅ KPL-2020 Replacement – Direct upgrade path
- ✅ American Quality – ACC engineering
🇬🇧 Why Buy from Parts4Tubs
- ✅ UK-based company with local support
- ✅ Fast UK delivery
- ✅ Expert advice from spa specialists
- ✅ Compatibility assistance available
- ✅ Full warranty support
- ✅ Easy returns within 30 days
- ✅ ACC Uni-Pack parts stocked
✨ Summary
The ACC LXP-2020 Topside Control Panel is a premium 7-button oval main control from ACC’s LXP series, featuring patented Piezo electronic switch technology and unique moisture-resistant potting techniques. This large panel measures 228 × 90 mm and features an LCD display with dedicated buttons for Temp+, Lights, Jets, Time/Temp-, Aux, Aux 2, and Set functions. The dual auxiliary outputs (Aux + Aux 2) provide control of multiple auxiliary devices. Compatible with SMTD2000, SMTD3000, Acura Spas, SmarTouch Digital, Compack Digital, and all ACC Uni-Pack controllers. Replaces discontinued KPL-2020. IMPORTANT: Not interchangeable with LX-2020 despite similar appearance. Not compatible with systems showing yellow lightning bolt warning label. Order from Parts4Tubs for fast UK delivery and expert compatibility assistance.



