Merley boiler sequence controller
Merley boiler sequence controller accessories
Merley boiler sequence controller installed

Boiler sequence controller for up to 15 modules in cascade or unison mode.

A common controls platform that can be used with the Wessex ModuMax mk3, Upton, Stratton mk2, Varmax and Purewell Variheat mk2 modular boilers.

Warranty 2 product item

Product information

    • Allows efficient control of commercial heating and hot water plant.
    • Reduce energy usage and save money on your heating gas bills through accurate load matching of a multiple boiler system.
    • Intelligent temperature control functions.
    • Reduces carbon emissions of system.
    • Ensures even use of boilers improving life expectancy.
    • Choice of hard wired or easy to install wireless sensors.
    • Choice of boiler control strategy including DHW management, standalone control or integration with a BMS.
    • Satisfies the Building Regulations recommended minimum standards.
    • 1% heating efficiency credit point available for sequential control of multiple boiler systems when replacing in existing buildings (Building Regs Part L).
    • Choice of loose kit for installation with plant room control panel or as a pre-housed unit for independent wall mounting.
    • Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.

Technical data

Merley
Rated voltage AC 230 V (±10%)
Rated frequency 50/60 Hz
Power consumption RVS63.243: 10 VA
Fusing of supply lines max. 10 AT

Downloads

Merley sequence controller brochure

Product brochures 1844 kb

Merley sequence controller dimensions

Dimensions 168 kb

Merley boiler sequence controller installation manual

Installers guides 2228 kb

Merley sequence controls wiring diagram

Wiring diagrams 75 kb

Ideal uses/applications

  • Multiple boiler systems.

Optional extras

  • Loose kit controller.
  • External air sensor.
  • Choice of room sensors.
  • Hard wired controls.
  • Wireless controls.
  • Domestic hot water sensor.
  • Strap on flow temperature sensor.

Often bought with

Upton floor standing commercial modular boiler.

Upton modular boiler

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Wessex ModuMax mk3 commercial floor standing boiler

Wessex ModuMax mk3 boiler

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Varmax floor standing commercial boiler

Varmax floor standing boiler

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Stratton mk2 commercial wall hung boiler

Stratton mk2 wall hung boiler

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Purewell Variheat mk2 condensing cast iron commercial boiler

Purewell Variheat mk2 condensing cast iron boiler

Learn more

Case studies

Stanmore Place benefits from an expandable and space-saving modular boiler solution  from Hamworthy.

Stanmore Place, London

Sector: Residential and commercial, community heating

Project: This award-winning development chose Wessex ModuMax boilers to save space and match the requirements of their district heating network.

Building: Flagship development of apartments, houses and offices

Application: Space heating 7900kW, domestic hot water

Learn more