How is the AE-5503K wiring version selected?
Confirm the 2-pipe or 4-pipe system, valve wiring and whether the fan uses three-speed relays or a 0–10 V signal.
FCU Thermostat
AE-5503K WiFi Fan Coil Thermostat
Touch thermostat for 2-pipe and 4-pipe fan coil systems. Choose three-speed relay or 0-10V fan control, on/off valve outputs and an optional Smart Life WiFi version for hotels, offices and residential projects.
- Model
- AE-5503K
- Application
- Fan coil unit HVAC control
- FCU systems
- 2-pipe / 4-pipe
- Compatible brand
- ACMELEC
- Product family
- FCU Thermostat
Shared model details
Full AE-5503K FCU thermostat information without repeated heavy files
The product page keeps the key parameters and selection logic visible. Larger manuals stay as download files, so buyers can inspect details without making every page unnecessarily heavy.
Product parameters
| Temperature sensor | Thermistor |
|---|---|
| Control accuracy | ±1°C |
| Setpoint range | 5-35°C, adjustable |
| Power supply | 110-230VAC, 50/60Hz |
| Rated load | 5A |
| FCU application | 2-pipe or 4-pipe system by wiring configuration |
| Fan control | High / medium / low three-speed fan or 0-10V fan version |
| Valve control | Heating and cooling on/off valve outputs according to configuration |
| WiFi option | Smart Life app and supported voice control |
| Installation | 60 mm standard mounting-hole spacing |
| Surface | Tempered glass front, PC housing |
Model and selection information
| Model | AE-5503K / AE-5503K-WIFI |
|---|---|
| Product form | Wall-mounted touch FCU thermostat |
| Operating modes | Cooling, heating and ventilation according to system configuration |
| Fan speeds | High, medium, low and automatic |
| Scheduling | Manual / programmable mode and single on/off timer |
| Project confirmation | Confirm 2-pipe or 4-pipe, valve outputs, fan type and WiFi requirement |
Documents and project notes
- Use the same model page for the shared appearance and main FCU control logic.
- Do not select only by front panel. Confirm the actual 2-pipe/4-pipe and output requirement before quotation.
- For hotel or office projects, provide wiring photos, room quantity and preferred communication route.
fan coil unit display and operation
- Room and set temperature display
- Cooling, heating and ventilation operation
- High, medium, low and automatic fan speed
- Three-speed relay or 0-10V fan version
- Optional Smart Life WiFi app control
- Child lock, timer and programmable operation
Product overview
AE-5503K product detail
AE-5503K FCU Smart Thermostat is used for fan coil unit room control in hotels, offices, apartments and commercial HVAC projects. It supports FCU buyers who need clear model selection by output type, protocol and control requirement.
This model belongs to the FCU Thermostat family. Confirm the exact HVAC model, wiring interface and required control configuration before requesting a quotation.
Application details
Where this model is used
- 2-pipe or 4-pipe fan coil unit room thermostat projects
- Hotel, office, apartment and commercial HVAC room control
- 0-10V, on/off valve or fan-speed control projects where applicable
- OEM thermostat programs for FCU equipment suppliers and distributors
Recommended inquiry details
To speed up quotation, include HVAC brand/model, protocol requirement, order quantity, target market, logo needs and certification requirements.
Open English manualFunction details
FCU control functions
Select the wiring version according to the actual pipe, valve and fan configuration.
2-pipe or 4-pipe
Supports common fan coil heating and cooling configurations by model wiring.
Fan output choices
Choose high/medium/low relay control or the 0-10V fan version.
Smart Life option
The WiFi version supports remote app operation and compatible voice-control services.
Project matching
Confirm valve wiring, fan output and power supply before ordering samples.
Technical checklist
Key points to confirm before order
Exact configuration depends on project requirement, so ACMELEC confirms the real HVAC system before quotation and sample preparation.
- Confirm 2-pipe or 4-pipe system before selecting the model.
- Confirm valve output, fan speed control and power supply requirements.
- If 0-10V control is needed, mention it clearly in the inquiry.
- For hotel projects, confirm room quantity and preferred panel style.
Specification summary
Model information
| Model | AE-5503K / AE-5503K-WIFI |
|---|---|
| Product family | FCU Thermostat |
| HVAC system | 2-pipe / 4-pipe fan coil unit |
| Power supply | 110-230VAC, 50/60Hz |
| Rated load | 5A |
| Setpoint range | 5-35°C |
| Accuracy | ±1°C |
| Fan options | Three-speed relay or 0-10V version |
| Smart option | Smart Life WiFi version |
| Common projects | Hotels, offices, apartments, schools and hospitals |
| Selection points | 2-pipe/4-pipe, valve type, fan output and WiFi requirement |
OEM/ODM options
- Logo printing and front panel appearance direction
- Packaging, label and English manual support
- Firmware or function configuration discussion by project
- Sample verification before bulk order
Verified product answers
AE-5503K FCU questions
What power supply does AE-5503K use?
The listed FCU version uses 110–230 VAC at 50/60 Hz. Confirm the project supply before ordering.
Is WiFi available on AE-5503K?
Yes. Select AE-5503K-WIFI for Smart Life app control and state the WiFi requirement in the inquiry.
Explore the range
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- Model
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- Protocol
- WiFi, Zigbee, 0-10V
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- Protocol
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AE-5507K FCU Smart Thermostat
AE-5507K FCU Smart Thermostat for fan coil unit hvac control, with OEM/ODM support, smart control options and factory-direct supply from ACMELEC.
- Model
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- Protocol
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Samples, MOQ and lead time
Purchasing information
- Pricing is quoted according to model, configuration and order quantity.
- Standard MOQ: 60 units/sets.
- Standard stock samples: approximately 3 working days.
- Functional or protocol-configured samples: approximately 15–20 working days.
- Logo, manual or packaging-adjusted samples: approximately 10 working days.
- Mass-production lead time is confirmed according to quantity and production schedule.
Logo, packaging and certification
- Free laser-engraved product logo when the standard MOQ is met.
- Orders below 500 units/sets use standard white corrugated packaging.
- Full-color logo packaging is available from 500 units/sets.
- CE, RoHS, applicable RED, FCC and relevant wireless-module documents are confirmed by model and target market.
Project preparation
Confirm FCU wiring and sample acceptance
Use the hotel and office checklist to document the pipe system, valve actuator, fan output and smart-control requirements before approving this model.