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GEYA Manuals & User Guides

GEYA manufactures low-voltage electrical components including relays, circuit breakers, and automatic transfer switches for industrial and home automation.

Tip: include the full model number printed on your GEYA label for the best match.

About GEYA manuals on Manuals.plus

Established in 2007, GEYA Electrical Co., Ltd. is a leading manufacturer specializing in low-voltage electrical apparatus and automation control equipment. Based in Wenzhou, China, the company produces a wide array of reliable components such as miniature circuit breakers (MCB), residual current circuit breakers (RCCB), automatic transfer switches (ATS), time relays, and contactors.

GEYA is committed to smart manufacturing processes and international quality standards, providing solutions for both industrial and residential electrical systems. Their product line includes smart home devices compatible with platforms like Tuya, alongside heavy-duty industrial switching and protection gear.

GEYA manuals

Latest manuals from manuals+ curated for this brand.

K6H WiFi Thermostat User Guide - GEYA

user guide
Comprehensive user guide for the GEYA K6H WiFi Thermostat, detailing installation, technical specifications, operation, and app connectivity for smart home temperature control.

GEYA WiFi Din Rail Switch Operating Manual

Operating Manual
Operating manual for GEYA WiFi Din Rail Switches (GWS10-W1, GWS10-WJ, GWS10-ZJ) detailing features, specifications, and configuration steps for smart home electrical control.

GEYA manuals from online retailers

GEYA GYHC 2P Modular AC Contactor User Manual

GYHC OEHSNAONS-0ED290E7 • May 2, 2026
This user manual provides detailed instructions for the GEYA GYHC 2P Modular AC Contactor, covering installation, wiring, operation, maintenance, troubleshooting, and technical specifications for models with 40A/63A current…

GEYA THC808 Digital Timer Switch User Manual

THC808 • 1 PDF • June 29, 2026
Comprehensive user manual for the GEYA THC808 series DIN Rail Micro Computer Timer Switch, covering installation, operation, specifications, and troubleshooting for single and dual-channel models.

GEYA GRW8 Temperature Control Relay User Manual

GRW8 Temperature Control Relay • June 15, 2026
Comprehensive user manual for GEYA GRW8-01 and GRW8-02 Temperature Control Relays, including setup, operation, specifications, and troubleshooting.

GEYA THC-15 Digital Timer Switch User Manual

THC-15 Timer Switch • June 12, 2026
Comprehensive instruction manual for the GEYA THC-15 Digital Timer Switch, covering setup, operation, maintenance, troubleshooting, and specifications for models 16A, 20A, and 30A.

GEYA GYHC Modular Contactor User Manual

GYHC Modular Contactor • 1 PDF • June 10, 2026
Comprehensive instruction manual for the GEYA GYHC Modular Contactor, covering installation, operation, specifications, and maintenance for household and industrial applications.

GEYA W2R Automatic Transfer Switch User Manual

W2R ATS • 1 PDF • June 9, 2026
Comprehensive user manual for the GEYA W2R Automatic Transfer Switch, designed for on-grid solar PV systems. Includes detailed instructions for installation, wiring, operation, maintenance, and troubleshooting.

GEYA THC Astronomical Timer Switch User Manual

THC Astronomical Timer Switch • June 3, 2026
Comprehensive instruction manual for the GEYA THC Astronomical Timer Switch, covering setup, operation, specifications, and troubleshooting for models THC-15B, THC-20B, and THC-30B.

GEYA video guides

Watch setup, installation, and troubleshooting videos for this brand.

GEYA support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I set the time delay on a GEYA GRT8 relay?

    Use the front panel knobs. Knob 1 sets the time range (e.g., seconds, minutes, days), and Knob 2 sets the fine adjustment percentage (10-100%) of that range.

  • How do I wire a GEYA Automatic Transfer Switch (ATS)?

    Connect the primary power source to the input terminals marked 'I' and the secondary source to terminals marked 'II'. Connect the load to the output terminals. Ensure the mode selector is set to 'Auto' for automatic switching.

  • How can I connect my GEYA smart relay to WiFi?

    Download the Tuya Smart app, register an account, and follow the 'Add Device' prompts. Ensure the device is in pairing mode (often indicated by a flashing LED) and connect it to a 2.4GHz WiFi network.

  • What is the warranty period for GEYA products?

    Warranty periods vary by product and retailer, typically ranging from 18 months to 3 years. Check your specific product documentation or the retailer's policy for details.