SAS921SLP

Commercial DX Unit Thermostat with Compressor Protection

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7-Day Programmable for Energy Saving

Compressor Delay Protection

3-Speed Auto/Manual Fan Control

Universal 100-240VAC Compatibility

Permanent Settings Memory (No Battery)

Large Backlit LCD & External Sensor Ready

Home Product Commercial Thermostats DX Unit Thermostats

Product Description

The SAS921SLP DX Cooling Thermostat is a high-efficiency control solution for Direct Expansion (DX) systems, including split AC units and packaged air conditioners. Its large, backlit LCD offers a user-friendly interface. Key features include the 7-day programmable schedule, designed to maximize energy savings and optimize runtime. Critical compressor delay protection prevents short cycling, extending equipment life. With three-speed fan control and robust 100-240VAC compatibility, the SAS921SLP is the cost-effective and reliable choice for commercial AC thermostat applications.

Key Functions

7-Day Schedule

Set 7-day cooling time tables for optimized, automated temperature regulation.
Compressor Delay

Built-in compressor start-up delay to prevent equipment damage from short cycling.
3-Speed Fan

Controls Low, Medium, High fan speeds, available in auto or manual modes.

Power Memory

Permanent retention of all user settings and programming (non-volatile memory).
Wide Voltage

Supports 100-240VAC input, ensuring global application and simplified wiring.
External Sensor

Connection port for remote sensor to monitor temperatures away from the thermostat unit.

Product Selector

Model No.

Heat/cool

Only cool

Pipe

Speed fan

Programmable

Window card

Room card

External Sensor

Modbus RTU

WIFI

Power

Manual

SAS921SLP-7-S

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24V/220VAC

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Product Parameters

Power Supply: 100-240VAC 50/60Hz
Fan Relay Amps inductive: 8(5)A
Compressor Relay Amps inductive: 8(5)A
Set point Temperature Range: 5°C to 35°C
Dimensions: 88mm×88mm×15mm

Product Dimensions

SAS921SLP Wiring Diagram showing 100-240VAC and fan connections

Product Installation

SAS921SLP DX Thermostat Installation Diagram

场景特点

Product Application Scenarios

The SAS921SLP is the optimal commercial AC thermostat solution for various DX system installations, including small-scale office buildings, hotel guest rooms, retail environments, and residential projects utilizing cooling-only split air conditioners. Its robust features, combined with the energy saving programmable control, make it highly suitable for applications where independent control and operational efficiency of DX cooling units are paramount.

Shopping Malls

Office-Building

luxury hotels

Partnership & OEM/ODM Support

As a dedicated manufacturer in HVAC automation, we provide global clients with end-to-end thermostat solutions from R&D to mass production, guaranteeing superior product quality and efficiency through direct manufacturer support.

Fast Customization Service (OEM/ODM)

Leveraging our complete in-house R&D and manufacturing supply chain, we offer rapid OEM/ODM customization solutions. We can swiftly adjust hardware design, software functions, and UI/UX to ensure the product perfectly matches your brand and project specifications.
Expert Technical Support

Our engineering team provides direct, expert pre-sales consultation and after-sales technical support. Services cover system integration, installation guidance, and remote troubleshooting, ensuring stable and efficient project operation without intermediary involvement.
Reliable Product Warranty

As the manufacturer of the product, we provide direct and traceable product warranty services. We stand by our high manufacturing standards, offering reliable spare parts and direct after-sales assurance to our global customers.