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- Privacy
- Website terms
- Legal statements
- Website by G Squared
City Multi VRF Air Conditioning Systems
BC Controller
Branch Circuit Controller (BC Controller) is the technological heart of the CITY MULTI R2–Series. It works in unison with the outdoor unit to provide simultaneous cooling and heating, something no other two–pipe system can do.
The BC Controller houses a liquid/gas separator, allowing the outdoor unit to deliver a mixture (2-phase) of hot gas for heating and liquid for cooling, all through the same pipe. When this mixture arrives at the BC Controller, it is separated and the correct phase delivered to each indoor unit depending on the individual requirement of either heating or cooling.
For systems with up to 40 kW nominal cooling capacity that require only one BC Controller (J Type).
For larger systems that require the use of Sub BC Controllers.
The Main BC can connect to up to 11 sub-BC controllers, allowing for more flexibility in system design. The line-branching method enables the creation of system designs that use less refrigerant.
The maximum piping length from the central BC controller to indoor units 90 m, providing flexibility in piping design. Sub-BC controllers should be used when piping length is 60 m or more.
The main BC controller is available in three outdoor unit capacity types: J Type (~40kW), JA Type (~101 kW) and KA Type (~124 kW).
Main and sub-BC controllers are 246 mm high allowing installation in ceilings with limited space. Servicing space is required.
CITY MULTI Heat Recovery VRF providing simultaneous heating and cooling, with guest control of their own comfort, backed by a system with advanced environmental monitoring and control.
Water cooled CITY MULTI VRF system selected for the constant hot and humid conditions in Darwin, does not require ventilation or external cooling.
CITY MULTI air cooled 2-pipe heat recovery VRF system providing simultaneous heating and cooling for a unique luxury hotel from a redeveloped former grain silo site.
Renovated hotel upgrades air conditioning system to Mitsubishi Electric 2-pipe heat recovery water cooled CITY MULTI VRF utilising existing chilled water system.
Abode Woden Hotel is a prime example of adaptive reuse of a former Government office building converted into a stylish hotel. The Canberra development was awarded with a 4.5 star NABERS Energy rating utilising CITY MULTY heat recovery technology.
CITYMULTI VRF heat recovery technology providing simultaneous heating and cooling integrated into Building Management and Control System with energy monitoring and management.
HYBRID CITY MULTI selected for a Metropolitan Fire Brigade station in Melbourne’s west eliminates need for refrigerant leak detection equipment.
© Mitsubishi Electric Australia 2023