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Heatmiser UH4 Wiring Centre - 4 Zone

Heatmiser UH4 Wiring Centre - 4 Zone

The Heatmiser UH4 is a versatile wiring centre designed for seamless integration with mains thermo...

Best current price£63.31from City Plumbing GB

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City Plumbing GBHeatmiser Uh4 Wiring Centre - 4 Zone
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£63.31
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B&QB&Q - Uh4 4-Zone Wiring Centre For Underfloor Heating And Radiators.
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£75.40
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Product Information

Full details

This guide is for users of the Heatmiser UH4 Wiring Centre, designed for efficient control of underfloor heating and hot water systems. The UH4 offers precise zone control and system integration, allowing for optimized temperature management. Note that proper electrical knowledge is required for installation.

All features

Model Part NumberUH4WIRINGCENTRE
BrandHeatmiser

Extended Product Information

FAQs

What is the maximum load the UH4 can handle?

The relay load max is 3A, and the total load is 5A.

Can I use the UH4 with a combi boiler?

Yes, the UH4 provides a volt-free output for boiler operation, making it compatible with most boiler types, including combi boilers.

What is the IP rating of the UH4?

The IP rating is IP20.

How many zones can the UH4 control?

The UH4 can control up to four heating zones.

Can I use the UH4 for radiator heating?

Yes, Zone 4 can be configured for conventional radiator control.

What is the voltage of the UH4?

The supply voltage is 230V AC.

Where can I find the wiring diagram?

The wiring diagram is typically included with the product documentation. Consult a qualified electrician for proper installation.

Troubleshooting

System is not heating.

Check power supply, thermostat settings, and wiring connections. Ensure all components are properly connected.

One or more zones are not heating.

Check the thermostat for that zone. Verify the actuator and wiring for the specific zone.

Neon indicators are not illuminated.

Check the power supply to the UH4. If the power is on and the indicators still do not light, consult a qualified electrician.

Hot water is not heating.

Check the hot water cylinder wiring and connections. Ensure the boiler is operational.

Pros and Cons

Pros

  • Precise zone control for optimized comfort and energy efficiency.
  • Centralized control simplifies system management.
  • Compatible with a wide range of heating systems and components.
  • Easy to install with DIN rail mounting.
  • Clear operational status indication with neon lights.

Cons

  • Requires professional electrical knowledge for installation.
  • Limited to four heating zones.
  • IP20 rating offers limited protection against the ingress of water.
  • Additional components (thermostats, actuators) are required for a complete system.

Setup, Compatibility & Care

Setup

  1. Installation: The UH4 should be installed by a qualified electrician.
  2. Mounting: Mount the unit on a DIN rail within your electrical panel.
  3. Wiring: Connect the appropriate wires for each zone, the boiler, hot water cylinder, and other components according to the wiring diagram.
  4. Compatibility: The UH4 is compatible with any 230V AC actuator or valve.

Compatibility

  • Actuators/Valves: Compatible with any 230V AC actuators or valves.
  • Thermostats: Compatible with mains thermostats.
  • Boilers: Offers volt-free output for boiler or heat source operation.

Care

  • Cleaning: Clean the unit with a dry cloth. Do not use liquids.
  • Inspection: Regularly inspect the unit for any signs of damage or wear.
  • Maintenance: Schedule annual maintenance with a qualified electrician to ensure optimal performance.

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