Supplied from China
ACMELEC manufactures and supplies HVAC controls from Nanjing, China, for distributors, installers and OEM/ODM projects.

ACMELEC HVAC Controls
Selection facts and manual scope
AE-5509D floor heating thermostat with room and floor sensing, 16A electric or 3A water heating configurations, color LCD and optional WiFi control.
Product selection summary
| Product route | Floor heating thermostat; select 16 A electric-heating or 3 A water-heating configuration for the actual load or valve. |
|---|---|
| Sensing and timer | Room, floor or combined sensing; the local panel is described with a single on/off timer. |
| Enclosure and manual | AE-5509D: plastic enclosure. The corresponding AE-6609-D manual describes the 66-series aluminium-alloy enclosure. |
55/66-series manual scope · Configuration questions · English manual reference
Factory supply · B2B
ACMELEC manufactures and supplies HVAC controls from Nanjing, China, for distributors, installers and OEM/ODM projects.
Models, protocols and software versions may be counted separately. Pricing and production lead time depend on the confirmed configuration and quantity.
After requirements and payment are confirmed: stock samples approximately 3 working days; functional/protocol configuration 15–20 working days; logo, manual or packaging adjustments approximately 10 working days.
Specify electric or water floor heating, load/current or valve specifications, supply voltage and room/floor sensor requirements. Outputs and functions depend on the ordered model.
| Heating output | 16A electric heating or 3A water heating, according to ordered configuration |
|---|---|
| Power supply | 220 ±10% VAC; check the ordered unit label and wiring diagram |
| Setpoint range | 5–60°C, adjustable |
| Temperature accuracy | ±1°C |
| Sensor selection | Room sensor, external floor sensor, or combined sensing |
| Ambient temperature | 0–45°C |
| Mounting hole spacing | 60 mm |
| Panel | Color LCD, glass touch panel and plastic enclosure (55 series) |
Choose room sensing, floor sensing or combined sensing to match the heating installation. Low-temperature protection, maximum floor-temperature warning and a child lock are available.
The panel supports a single on/off timer. The WiFi version adds Smart Life app control. Specify the WiFi version when requesting a quotation.
Electric floor heating, hydronic valve control and boiler dry-contact wiring use different configurations. Send the heating type, load or valve specification and required sensor arrangement before ordering.
For distributor and installation enquiries, include quantities, heating type, power supply, required WiFi option and delivery city. ACMELEC can then confirm the model configuration and prepare an OEM quotation.
The operating manual describes controls, sensor selection and wiring variants. Confirm the heating output, supply label and wiring diagram for the ordered configuration before installation.
English operating manual · Technical verification policy · Request configuration confirmation
Samples, MOQ and lead time
Manual cover: AE-6609-D. The corresponding 55 and 66 series share functions, electrical specifications and wiring. The 55 series has a plastic enclosure; the 66 series has an aluminium-alloy enclosure. Enclosure material in this manual applies to the 66 series.
Configuration answers
AE-5509D belongs to the 55 series and uses a plastic enclosure. The linked manual cover names AE-6609-D, whose aluminium-alloy enclosure belongs to the 66 series. The corresponding series share functions, electrical specifications and wiring as clarified on this page.
They are different ordered heating configurations: 16 A for electric heating or 3 A for water heating. Confirm the heating load or valve specification, supply label, sensor arrangement and matching terminal diagram. Do not infer a boiler dry-contact output from either current rating.
The page describes a single on/off timer on the local panel. It does not establish local weekly programming. The optional WiFi version adds Smart Life app control; confirm the required scheduling behaviour for the ordered firmware and app version.