1. Introduzzjoni
This manual provides detailed instructions for the installation, operation, and maintenance of the Marley T200 Qmark Electric Line Voltage Wall Thermostat. The T200 is a wall-mounted, double-pole, heating-only thermostat designed for precise control of electric heating systems. It features a built-in heat anticipator for consistent temperature regulation and a snap-action design for extended operational life. Please read this manual thoroughly before installation and use.
2. Informazzjoni dwar is-Sigurtà
TWISSIJA: Risk of electric shock. This device operates on line voltage (277 Volts). Improper installation or handling can result in serious injury or death. Always turn off power at the main service panel before installing or servicing this thermostat.
- L-installazzjoni għandha titwettaq minn elettriċista kwalifikat skont il-kodiċijiet elettriċi lokali u nazzjonali kollha.
- Tinstallax f'postijiet fejn jista' jkun espost għall-ilma jew umdità eċċessiva.
- Kun żgur li l-konnessjonijiet tal-wajers kollha huma siguri u iżolati kif suppost.
- Taqbiżx il-vol speċifikattage or current ratings of the thermostat.
3. Kontenut tal-Pakkett
Iċċekkja li l-komponenti kollha huma preżenti qabel tibda l-installazzjoni:
- Marley T200 Line Voltage Termostat tal-Ħajt
- Viti tal-Immuntar (tipikament inklużi)
- Manwal ta 'Istruzzjoni (dan id-dokument)
4. Installazzjoni
The Marley T200 thermostat is designed for wall-mount installation. Ensure the power supply to the heating system is disconnected at the circuit breaker before proceeding.
4.1 Wajers
The T200 thermostat requires a 277 Volt power supply. It features three pre-stripped wires for connection:
- Connect the two red wires to the incoming 277V line voltagProvvista.
- Connect the black wire to the heating load (e.g., electric heater).
- Ensure all connections are made using appropriate wire nuts or connectors and are securely tightened.
Refer to the diagram below for visual guidance on the thermostat's wiring and components.

Figura 1: The Marley T200 thermostat showing its off-white rectangular body, a brass-colored temperature dial with markings from 50 to 90 degrees Fahrenheit and an 'OFF' position, and three exposed electrical wires (two red, one black) extending from the left side for connection to the line voltage and heating load. The 'MARLEY' brand name is visible at the bottom front.
4.2 Immuntar
After wiring, carefully push the thermostat into the wall box. Secure the thermostat to the wall box using the provided mounting screws. Ensure the thermostat is flush with the wall surface.
5. Istruzzjonijiet Operattivi
The Marley T200 thermostat features a simple manual control dial for setting the desired temperature.
- Aġġustament tat-temperatura: Dawwar id-dial ċentrali lejn l-arloġġ biex iżżid it-temperatura mixtieqa jew kontra l-arloġġ biex tnaqqasha. Il-firxa tat-temperatura hija minn 50°F sa 90°F.
- Pożizzjoni OFF: To turn off the heating system, rotate the dial counter-clockwise until it reaches the 'OFF' position. This will completely disconnect power to the heating load.
- The built-in heat anticipator helps maintain a consistent room temperature by cycling the heating system more frequently for shorter durations, preventing wide temperature swings.
6. Manutenzjoni
The Marley T200 thermostat requires minimal maintenance.
- Tindif: Periodically wipe the exterior of the thermostat with a soft, dry cloth to remove dust. Do not use abrasive cleaners or solvents.
- L-ebda Partijiet li jistgħu jservu mill-utent: There are no user-serviceable parts inside the thermostat. Do not attempt to open or repair the unit.
7 Issolvi l-problemi
If you experience issues with your Marley T200 thermostat, consider the following:
- Ebda Sħana:
- Check if the thermostat dial is set to the 'OFF' position.
- Ensure the circuit breaker for the heating system is not tripped.
- Verify that the thermostat is properly wired and all connections are secure (consult a qualified electrician if unsure).
- Temperatura inkonsistenti:
- Kun żgur li t-termostat ma jkunx jinsab ħdejn sorsi ta’ sħana (eż. dawl tax-xemx dirett, lampaamps) or drafts, which can affect its accuracy.
- The thermostat has a differential of 2.5 degrees, meaning it will cycle the heat within a 2.5-degree range of the set point.
For persistent issues, contact a qualified electrician or Marley customer support.
8. Speċifikazzjonijiet
| Brand | Marley |
| Isem tal-Mudell | T200 |
| Voltage | 277 Volts |
| Firxa tat-Temperatura | 50°F - 90°F |
| Differenzjali | 2.5°F |
| Tip ta' Kontroll | Manual (Dial) |
| Tip ta 'Immuntar | Mount Wall |
| Materjal | Plastik, Ram |
| Dimensjonijiet tal-Prodott | 2.5 x 3.13 x 4.5 pulzieri |
| Piż tal-oġġett | 8.8 uqija |
| Sors tal-Enerġija | Corded Elettriku |
9. Garanzija u Appoġġ
Specific warranty information for the Marley T200 thermostat is not provided in this document. For details regarding warranty coverage, technical support, or replacement parts, please contact Marley customer service directly or refer to the official Marley websit. Żomm l-irċevuta tax-xiri tiegħek bħala prova tax-xiri.





