VRF Thermostat
AE-5503 is an aftermarket smart room controller for compatible Daikin VRF indoor units using the P1/P2 wired remote-controller bus. P1 and P2 are a non-polarized two-wire connection.
Model-specific information
Choose this route only when the indoor unit uses the Daikin P1/P2 wired remote-controller interface. Send the indoor-unit model before ordering so ACMELEC can confirm compatibility.
White LCD VRF thermostat projects that need a clean panel style and practical smart control.
White square LCD panel, suitable for projects where a lighter wall finish or simple room-control look is preferred.
Connects to the Daikin P1/P2 wired remote-controller bus. P1 and P2 can be connected in either polarity.
Send the exact Daikin indoor-unit model, existing controller photo, required smart functions and project quantity.
Shared model details
The product appearance, functions and main documents are shared by compatible VRF brands. Each brand page only carries the wiring diagram and compatibility notes that actually change.
| Temperature sensing element | Thermistor |
|---|---|
| Control accuracy | ±1°C |
| Installation hole spacing | 60mm (standard) |
| Work environment | 0-45°C |
| Shell material | PC+ABS flame retardant |
| Temperature range | 16-32°C (adjustable) |
| Model | AE-5503-VRF |
|---|---|
| Display / panel | White LCD panel |
| Product form | Wall-mounted smart VRF thermostat |
| Smart options | WiFi, Tuya |
| Target system | Compatible Daikin VRF indoor units |
| Wired interface | P1/P2 non-polarized two-wire controller bus |
| Compatibility check | Required using the exact indoor-unit model before ordering |
| OEM/ODM scope | Logo, panel, firmware, packaging and manual language by project |
Professional detail
AE-5503-VRF is the ACMELEC product route for compatible Daikin VRF indoor units that use the P1/P2 wired remote-controller bus. It adds a modern wall panel and optional WiFi/Tuya control while retaining a direct two-wire controller connection.
Shared AE thermostat body for multiple VRF brands; brand pages handle wiring and firmware matching.
Confirm indoor unit model, interface generation and current controller wiring before sample or bulk order.
WiFi, Tuya options are product functions, not separate product categories.
Choose the AE appearance/model first, then confirm the AC brand wiring and firmware route.
Product overview
AE-5503-VRF is intended for Daikin VRF projects where the indoor unit provides the P1/P2 wired remote-controller interface. It is not a universal replacement for every Daikin controller or every HVAC communication bus.
Before quotation, provide the exact indoor-unit model and a photo of the existing controller terminals. ACMELEC will verify the interface and prepare the appropriate sample, wiring information and OEM configuration.
Application details
To speed up quotation, include HVAC brand/model, protocol requirement, order quantity, target market, logo needs and certification requirements.
Open English manualFunction details
WiFi, Zigbee, Modbus and other functions are treated as model features, not separate catalog categories.
Brand-oriented VRF compatibility route for clearer model selection
WiFi, Tuya control options according to the selected configuration
Remote app control and smart scene integration where supported
OEM panel, logo and documentation support for HVAC customers
Technical checklist
Exact configuration depends on project requirement, so ACMELEC confirms the real HVAC system before quotation and sample preparation.
Specification summary
| Model | AE-5503-VRF |
|---|---|
| Product family | Daikin-compatible VRF thermostat |
| Application | Compatible Daikin VRF indoor-unit room control |
| Controller interface | P1/P2 non-polarized two-wire bus |
| Smart options | WiFi and Tuya, according to configuration |
| Temperature range | 16-32°C, adjustable |
| Control accuracy | ±1°C |
| Installation spacing | 60 mm standard mounting-hole spacing |
| OEM/ODM | Logo, panel, firmware, packaging and manual support by project |
| Buyer type | HVAC distributors, system integrators and project buyers |
| Typical project | Hotels, apartments, offices and Daikin VRF retrofit projects |
| Buyer confirmation | Exact indoor-unit model, existing controller/interface and target quantity |
Daikin P1/P2 installation
This is a non-destructive installation route through the existing communication port. Confirm the indoor-unit model and existing controller interface before sample or bulk order.
Product FAQ
No. It is intended for compatible Daikin indoor units using the P1/P2 wired remote-controller bus. Send the exact indoor-unit model for confirmation.
No. The two P1/P2 controller wires can be connected in either polarity, as shown in the wiring diagram.
The WiFi/Tuya version supports app control. Voice-assistant availability depends on the selected configuration and target market.
Send the Daikin indoor-unit model, existing controller photo, project quantity, smart-control requirement, logo needs and target market.
Internal links
VRF Thermostat
AE-5507-VRF smart thermostat for VRF air conditioner systems with WiFi, Zigbee, Tuya app and voice assistant control. Brand-specific wiring and firmware are confirmed by project.
VRF Thermostat
AE-5502-VRF smart thermostat for VRF air conditioner control. TFT color LCD panel option for VRF air conditioner smart control. Brand-specific wiring and compatibility are confirmed on each VRF brand page.
VRF Thermostat
AE-5503-DB-VRF smart thermostat for VRF air conditioner control. White LCD panel option for VRF air conditioner smart control. Brand-specific wiring and compatibility are confirmed on each VRF brand page.
Samples, MOQ and lead time