QD-U12A Universal AC Control Board with Remote for Ducted Air Conditioners

Description

The Universal AC Control Board QD-U12A is a dependable replacement PCB engineered specifically for non-inverter ducted air conditioners. Malfunctioning circuit boards can bring entire cooling systems to a halt; installing a new Universal AC Control Board resolves this issue by providing wide-ranging cross-brand compatibility. Designed to replace damaged, burnt, or failing original control boards, this complete system delivers precise temperature regulation, stable electrical performance, and extended operational life for aging air conditioning units.

Technical Specifications

Key Features

• Universal Non-Inverter Compatibility: Operates seamlessly across a broad range of non-inverter ducted AC brands and models.

• Single-Phase Compressor Management: Ensures smooth, reliable single-phase compressor startup and continuous operational stability.

• Multi-Speed Fan Motor Control: Complete indoor fan speed adjustment alongside a dedicated outdoor fan motor relay output.

• Precision Thermal Feedback: Features accurate temperature sensor integration to maintain exact climate setpoints.

• Built-in Circuit Protection: Includes integrated overload and overheat safety safeguards to protect vital electrical components.

• Technician-Friendly Setup: Designed for straightforward wiring and fast installation, backed by a clear schematic diagram.

System Compatibility

• Compatible AC Types: Standard Non-Inverter Ducted Air Conditioners.

• Compatible Compressors: Single-phase AC compressors.

• Compatible Fan Motors: Multi-speed indoor fan motors (Low, Medium, High) and standard outdoor fan motors.

• Brand Compatibility: Universal application across multiple major OEM ducted AC brands.

Applications & Functions

• Ducted AC Repair & Maintenance: Ideal ducted AC universal PCB replacement for burnt, dead, or failing circuit assemblies.

• System Upgrades: Cost-effective solution for retrofitting older non-inverter control systems with modern wall and remote interfaces.

• Mode & Speed Control: Supports full cooling and heat pump heating operations, multi-stage fan control, Sleep mode, and ON/OFF timers.

• Safety Protection: Built-in automated error detection and safety shutdown protection.

Installation & Technician Notes

• Professional Installation Required: Must be installed by a qualified HVAC technician.

• Pre-Purchase Verification: Ensure target system is a non-inverter single-phase ducted AC unit prior to ordering.

• Wiring Setup: Follow the included manual and schematic diagram strictly to align terminal connections for the PCB, wall display unit, and sensors.

Package Includes

• 1 x Universal AC Control Board Main PCB (QD-U12A)

• 1 x Wall-Mounted Thermostat Controller

• 1 x Handheld Remote Control

• 1 x Temperature Sensor Set

• 1 x Model-Specific Wiring Harness

• 1 x Installation Manual & Wiring Diagram

Important Buyer Verification Notes

Notice for Buyers & Technicians: Confirm that your existing unit is a standard non-inverter ducted system requiring single-phase compressor control. Verify wiring connections against your existing layout prior to installation.

Why Buy From Al Ramiz

• Genuine Quality Parts: Dependable, factory-tested HVAC spare parts and control boards.

• UAE Stock & Local Inventory: Fast processing and local dispatch across the UAE.

• Technical Product Support: Assistance with component selection and product verification.

• Competitive Pricing: Cost-effective solutions for contractors and service technicians.

Frequently Asked Questions (FAQs)

Does the QD-U12A system come with both a wall thermostat and a handheld remote?

Yes, the package includes both a wall-mounted thermostat controller and a wireless handheld remote control.

Is the QD-U12A compatible with inverter air conditioners?

No, it is designed specifically for standard non-inverter ducted air conditioners.

Does this board support heating mode for heat pump ducted systems?

Yes, it supports full cooling and heating mode operations for systems equipped with heat pumps.

What fan modes are available on the QD-U12A control board?

It features multi-stage fan speed control supporting Low, Medium, High, and Auto fan modes.

Does the board include built-in electrical safety protections?

Yes, it features integrated overload and overheat safeguards along with automated error detection and safety shutdown.