TNC-50 S - Water heater COINTRA - Free user manual and instructions
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| Product Type | Electric Water Heater (Storage Tank) |
| Brand | Cointra |
| Model | TNC-50 S |
| Capacity | 50 liters (13.2 US gallons) |
| Rated Power | 1500 W |
| Voltage | 220-240 V ~ 50 Hz |
| Maximum Water Temperature | 75°C (167°F) |
| Maximum Operating Pressure | 8 bar (116 psi) |
| Tank Material | Enamel-coated steel |
| Heating Element | Copper, 1500 W |
| Thermostat | Adjustable with safety cutoff |
| Safety Valve | Pressure relief valve included |
| Insulation | High-density polyurethane foam |
| Dimensions (H x D) | 850 mm x 400 mm (33.5" x 15.7") |
| Weight (Empty) | 21 kg (46.3 lb) |
| Connection Size | 1/2 inch BSP |
| Ingress Protection | IP24 (splash-proof) |
| Mounting | Wall-mounted, vertical |
| Energy Efficiency Class | Class C |
| Included Accessories | Adjustable feet, safety valve, mounting brackets |
| Maintenance | Replaceable magnesium anode (annual inspection recommended) |
| Compliance | CE certified |
Frequently Asked Questions - TNC-50 S COINTRA
How do I adjust the water temperature on the TNC-50 S?
Locate the thermostat control dial on the front of the unit, near the bottom. Turn it clockwise to increase the temperature, or counterclockwise to decrease. The recommended setting for household use is 60°C to balance comfort and energy efficiency.
Why is my water heater not heating water?
Check first that the unit is powered and the circuit breaker hasn't tripped. If power is fine, the heating element may be faulty or covered in scale. Also verify the thermostat is not set too low. For persistent issues, contact a qualified technician.
How often should I replace the magnesium anode?
The magnesium anode protects the tank from corrosion. Inspect it annually and replace it when it has worn down to less than 10 mm thick, typically every 2 to 3 years depending on water hardness and usage.
Is it normal to see water dripping from the safety valve?
A small amount of water dripping during heating is normal as pressure is released. However, continuous dripping indicates excessive pressure or a faulty valve. Test the valve regularly by lifting the lever and letting it snap back. If it doesn't stop, replace it.
Can I install the water heater myself?
Installation should be done by a qualified plumber and electrician, as it involves water and electrical connections plus wall mounting. Incorrect installation can void the warranty and create safety hazards. Always follow the installation instructions in the manual.
What maintenance is required for the TNC-50 S?
Regular maintenance includes checking the pressure relief valve, inspecting the magnesium anode, and descaling the heating element periodically if you have hard water. Also, drain and flush the tank every 6 months to remove sediment.
How long does it take to heat a full tank of water?
With a 1500 W element and a 50-liter tank, heating from 15°C to 60°C takes approximately 2 hours. The exact time depends on the inlet water temperature and the thermostat setting.
Does the water heater have frost protection?
This model does not have built-in frost protection. If installed in an area prone to freezing, protect the unit with pipe insulation and ensure the tank is drained if it will be unused during extreme cold.
What is the energy efficiency class of this model?
The TNC-50 S is rated Class C for heating efficiency under the energy labeling directive. For lower operating costs, consider a model with better insulation and a higher efficiency class.
Where should the water heater be installed?
Install the heater in a dry, frost-free environment, close to point-of-use to minimize heat loss. Ensure the wall can support the total weight (unit + water, about 71 kg). Keep clearance around the unit for access to wiring and the safety valve.
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USER MANUAL TNC-50 S COINTRA
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Product information
Brand : COINTRA
Model : TNC-50 S
Category : Water heater