PRODUCT FEATURES

6-A5601-K 4-Inch Full Touchscreen Smart HVAC Controller

Portable 4-Inch Desktop HVAC Control: The 6-A5601-K uses a 4-inch full-color touchscreen in a portable desktop format to coordinate air conditioning, fresh-air ventilation and underfloor heating while monitoring representative room conditions.
Standard WiFi and RS485 Connectivity: Built-in WiFi and RS485 communication provides connected monitoring and remote-control capability together with stable integration with compatible HVAC equipment and building-control systems.
Portable Battery-Powered Operation: A 3.7 V, 3000 mAh lithium-ion battery supports flexible desktop placement, while USB Type-C charging at 5 V / 2 A and power consumption of ≤3 W support convenient daily operation.
Integrated PM2.5, CO₂, Temperature, Humidity Sensing with OEM Customization: The onboard sensor board monitors PM2.5, CO₂, Temperature, Humidity directly from the controller. White and Black housing options are available, with additional color, interface and product customization supported for OEM/ODM projects.

TECHNICAL DATA

6-A5601-K Technical Specifications

Product Details

MAXMAC Model: 6-A5601-K
Product Type: Smart HVAC Controller
Standard Color: Black
Display: 4-Inch Touchscreen Display

Communication

WiFi: Standard
RS485: Standard
Modbus: Not Supported
Ethernet: Not Supported

Electrical

Battery: 3.7 V, 3000 mAh lithium-ion battery
Adapter Power: USB Type-C, 5 V / 2 A
Power Consumption: ≤3 W

Integrated Sensors

Temperature: Supported
Humidity: Supported
CO₂: Supported
PM2.5: Supported
TVOC: Not Supported

Mechanical & Environment

Dimensions: 88 × 88 × 64 mm
Housing: PC+ABS, UL 94 HB flame-retardant
Operating Environment: −10°C to 40°C, 0–95% RH, non-condensing
Storage Environment: −20°C to 65°C, 0–95% RH, non-condensing

Built-in Sensor Specifications

Measurement	Operating Principle	Range	Resolution	Accuracy
PM2.5	Laser scattering	0–999 μg/m³	1 μg/m³	±15 μg/m³ at ≤100; ±15% above 100
CO₂	NDIR infrared	400–9999 ppm	1 ppm	±(50 ppm + 5% of reading)
Temperature	CMOSens®	−20°C to 85°C	1°C	±2°C
Humidity	CMOSens®	1–99% RH	1% RH	±5% RH

Package Contents

Item	Description	Quantity
1	A56 Smart HVAC Controller	1
2	USB Type-C charging cable	1
3	User manual, certificate and warranty card	1
4	Protective inner tray	1
5	Outer carton and product label	1

Sensor data dashboard showing CO2, PM2.5, temperature and humidity — Sensor Data

Floor-heating control interface — Floor Heating

Air-conditioning control interface — Air Conditioning

A

Sensor Data

View live CO₂, PM2.5, temperature and humidity data. Open the history icon to review hourly, daily or monthly records and compare overnight CO₂ curves for different occupancy scenarios.

Hourly sensor history chart — Hourly History

Single-occupancy overnight CO2 curve — Single-Occupancy Curve

Dual-occupancy overnight CO2 curve — Dual-Occupancy Curve

B

Fresh Air Control

Switch between indoor and outdoor circulation, review air-quality values, and adjust operating mode, fan speed and humidity settings from the fresh-air screen.

Fresh-air operating mode selection — Operating Mode

Fresh-air airflow setting — Airflow Setting

C

Fragrance Control

Select a fragrance profile, adjust airflow intensity, and configure scheduled or intermittent operation from one dedicated control screen.

Fragrance selection interface — Fragrance Selection

Fragrance airflow level interface — Airflow Setting

Fragrance schedule and intermittent mode settings — Schedule & Intermittent Mode

D

Air Conditioning Control

Select the room zone, operating mode, fan speed and target temperature, then manage system settings and power directly from the air-conditioning screen.

Zone Selection

Operating Mode

Fan Speed

Temperature Setting

E

Underfloor Heating Control

The underfloor heating home screen displays the current room temperature and target temperature. Select the icon outside the temperature ring to adjust the operating settings. If the i fault icon appears, communication with the underfloor heating equipment is abnormal.

Underfloor heating target temperature adjustment interface — Target Temperature Setting

Application Solutions

Air Quality Monitoring Solution for HVAC Applications

See how room-level sensing and coordinated control can connect indoor air quality data with air conditioning and fresh-air ventilation, helping residential HVAC projects respond to actual conditions within each space.

Read Article