Danfoss MCX06 thermostat without display and connection kit – code: M77055P – Climma

Danfoss MCX06 thermostat without display with connector kit (Climma) – M77055P

The Danfoss MCX06 thermostat without display and connector kit (code M77055P) branded Climma is a programmable electronic controller used in the management of air conditioning systems and HVAC units, also typically used in the nautical field. It is a control unit designed to coordinate the operating logic of the system, managing in an integrated way the main components and the signals coming from the probes and inputs.

This version is without integrated display and is supplied complete with connector kit, useful for installation and wiring operations. As a spare part, it is intended for compatible systems that adopt the Danfoss MCX06.

Main features and details

Danfoss MCX06 Platform

Based on Danfoss MCX06, the thermostat is designed to act as the electronic “heart” of the system: it receives information from sensors and inputs, processes the control logic, and commands the connected utilities according to the programming provided by the system.

Version without display

The proposed model is without integrated display. This configuration is typical when the user interface is delegated to other system devices (for example remote panels or supervision), or when it is desired to keep the controller in a technical panel, reducing exposed elements.

Connector kit included

The supply includes connector kit for installation and wiring. The presence of dedicated connectors facilitates integration into the existing system and helps manage electrical connections in an orderly manner during maintenance or replacement interventions.

Management of system components

The thermostat is used to control and coordinate the operation of the main components of the air conditioning system, such as:

• compressor;
• fans;
• valves;
• pumps;
• temperature probes and signals from inputs.

Depending on the system configuration, the control unit contributes to the management of cooling and heating cycles, coordinating the connected utilities according to the logic provided by the unit manufacturer or the integrator.

Communication interfaces

The MCX range includes communication interfaces CANbus and Modbus RS485, useful for integration with other devices and supervision systems. In complex plant contexts (including onboard ones), these interfaces support distributed control architecture and system-level diagnostics, depending on the adopted configuration.

Typical applications

The Climma M77055P is used as a thermostat/control unit in air conditioning systems and HVAC units, particularly where a programmable electronic management logic based on MCX06 is present. It is suitable both for new installations (when provided by the project) and as replacement in case of replacement of the existing control unit.

Functions of use (depending on system configuration)

• automatic management of the air conditioning system operation;
• control of compressors, fans, pumps, and other connected devices;
• data acquisition from probes and digital inputs;
• support for integration with devices and supervisors via CANbus and Modbus RS485.

Advantages for maintenance and spare parts

Identifiable and consistent replacement with the platform

The code M77055P allows the identification of the replacement Climma intended for systems using the controller Danfoss MCX06. In maintenance contexts, correct code identification is a key step to reduce errors during procurement and to plan the intervention in an orderly manner.

Neater installation and wiring

The presence of connector kit is a practical element for those working on electrical panels and technical systems: it helps manage connections more linearly, especially when intervening on existing systems and wanting to maintain a clean and recognizable configuration.

Integration in systems with communication

The interfaces CANbus and Modbus RS485 (provided by the MCX range) make the controller suitable for contexts where the control unit communicates with other modules or with supervision. This approach is common in HVAC systems where management is not limited to a single component but involves multiple coordinated devices.

Usage and operational notes

Check compatibility before purchase

Being a control component, compatibility depends on the system and the planned configuration. Before replacement, it is advisable to check:

• the product code (M77055P) and the possible match with the installed control unit;
• the presence of the platform Danfoss MCX06 in the system;
• the need for the version without display (based on the user interface adopted by the system);
• the wiring and connectors required by the installation.

Installation by qualified personnel

The thermostat is an electronic control unit intended for HVAC systems: installation and commissioning require technical skills and must be carried out according to the system procedures and the manufacturer's/system's instructions. In case of replacement, it is good practice to document the existing connections and configuration before intervening.

Product data

• Product: Danfoss MCX06 thermostat without display with connector kit
• Code: M77055P
• Brand/spare part: Climma
• Supplier: VECO S.P.A.

FAQ – Frequently Asked Questions

Does this thermostat have an integrated display?

No. The Climma M77055P is the version of the Danfoss MCX06 thermostat without an integrated display.

Does the product include connectors for wiring?

Yes. The supply includes a connector kit, useful for installation and connections.

In which systems is the Danfoss MCX06 used?

It is used for the management of air conditioning systems and HVAC units, with typical use also in nautical applications, depending on the system configuration.

Which system components can this controller manage?

The controller coordinates the operation of components such as compressor, fans, valves, pumps, and temperature sensors, according to the programming provided by the system.

Are there communication interfaces for integration with other systems?

The MCX range includes CANbus and Modbus RS485 interfaces, usable for integration with other devices and supervision systems depending on the adopted configuration.