1. Introdución
This manual provides essential information for the safe installation, operation, and maintenance of your Marley M602W Qmark Electric Line Voltage Wall Thermostat. This device is designed for wall-mounted, heating-only applications and features double-pole operation with a distinct OFF position. Please read these instructions thoroughly before installation and use.
Características principais:
- Double-pole operation with a marked OFF position for enhanced safety.
- Snap action design for extended operational life.
- Temperature differential of 4 degrees Fahrenheit.
- Adjustable temperature range from 45°F to 75°F.
2. Información importante de seguridade
WARNING: Risk of electric shock. Installation must be performed by a qualified electrician in accordance with all local and national electrical codes. Disconnect power at the main service panel before installing or servicing this thermostat.
- Ensure the power supply matches the thermostat's voltagClasificación e (277 voltios).
- Non fagas funcionar o termostato con cableado danado.
- Manteña o termostato lonxe da auga e da humidade excesiva.
- This thermostat is intended for heating control only.
3. Instalación (Configuración)
The Marley M602W thermostat is designed for wall mounting and direct wiring into a line voltage heating system. Proper installation is crucial for safe and effective operation.
Pasos de instalación:
- Desconexión de alimentación: Turn off power to the heating circuit at the main electrical panel before beginning installation. Verify power is off using a voltagprobador.
- Lugar de montaxe: Select an indoor wall location away from drafts, direct sunlight, and heat sources that could affect temperature readings. Mount at standard switch height.
- Cableado: Connect the thermostat's wires to your heating system's line voltage wiring. This is a double-pole thermostat, meaning it disconnects both sides of the 277V line when in the 'OFF' position. Ensure all connections are secure and comply with local electrical codes. Refer to the wiring diagram provided with the product packaging for specific connections (L1, L2, T1, T2).
- Secure Thermostat: Mount the thermostat securely to the wall box using the provided screws.
- Restaurar enerxía: Once installation is complete and all connections are verified, restore power at the main electrical panel.

4. Instrucións de funcionamento
The Marley M602W thermostat features a simple manual control for setting your desired room temperature.
Axuste de temperatura:
- Activar: Rotate the central dial clockwise from the 'OFF' position to your desired temperature setting. The thermostat will activate the heating system when the room temperature falls 4°F below the set point.
- Temperatura establecida: The dial is marked with temperature indicators from 45°F to 75°F. Rotate the dial to align with your preferred temperature.
- Desactivar: To completely turn off the heating system, rotate the dial counter-clockwise until it clicks into the 'OFF' position. This engages the double-pole disconnect feature.
5. Mantemento
The Marley M602W thermostat requires minimal maintenance to ensure continued reliable operation.
- Limpeza: Limpe periodicamente o exterior do termostato cun pano suave eamp pano. Non empregue produtos de limpeza abrasivos nin disolventes. Asegúrese de que non entre líquido na carcasa do termostato.
- Sen baterías: Este termostato funciona con cable e non require pilas.
- Inspección: Inspeccione anualmente o termostato para detectar calquera dano visible ou conexións soltas. Se atopa algún problema, desconecte a alimentación e consulte un electricista cualificado.
6 Solución de problemas
If you experience issues with your Marley M602W thermostat, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| Thermostat does not turn on/heating system is not active. | No power to the thermostat; thermostat set to 'OFF'; faulty wiring connection; tripped circuit breaker. | Check circuit breaker; ensure thermostat is not in 'OFF' position; verify power supply. If issues persist, consult a qualified electrician to check wiring. |
| Inaccurate temperature control or inconsistent heating. | Thermostat location affected by drafts or heat sources; internal component issue. | Ensure thermostat is not in a drafty area or near a heat source. If the issue continues, the thermostat may require replacement. |
| Knob feels loose or difficult to turn. | Mechanical wear or damage. | If the knob is loose or not functioning correctly, the thermostat may need to be replaced. |
| Thermostat does not work with 240V system. | Vol. incorrectotage application or incompatible system. | This thermostat is rated for 277 Volts. Ensure your heating system's voltage matches this specification. Consult a qualified electrician for compatibility verification. |
7. Especificacións
| Característica | Detalle |
|---|---|
| Marca | Marley |
| Nome do modelo | M602W |
| Tipo de controlador | Botón pulsador (dial rotatorio) |
| Característica especial | Temperature Display (via dial markings) |
| Cor | Branco |
| Usos específicos | Commercial/Industrial Use, Hospital Settings, Home Healthcare |
| Tipo de control de temperatura | Manual |
| Tecnoloxía de conectividade | Con cable |
| Compoñentes incluídos | Wall Thermostat & Controls |
| Fonte de enerxía | Eléctrico con cable |
| Voltage | 277 voltios |
| Material | Plástico, aceiro inoxidable |
| Tipo de visualización | Analog (dial markings) |
| Tipo de acabado | Brillante |
| Método de control | Disco rotativo |
| Tipo de montaxe | Soporte de parede |
| Rango de temperatura | 45 °F - 75 °F |
| Diferencial | 4 °F |
| Peso do elemento | 8 onzas (0.5 libras) |
| Dimensións do produto | 2.25 x 2.56 x 4.63 polgadas |
| Certificacións | CSA, UL |
| UPC | 098319841513 |
8. Garantía e soporte
For warranty information and customer support regarding your Marley M602W thermostat, please consult the documentation included with your purchase or visit the official Marley website. You may also contact Marley customer service directly for assistance.
Marley Official Store: Visit the Marley Store on Amazon





