© MHG Heating Ltd
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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
0845 6448802 Telephone. 0845 6448803 Fax. Email
Website www.mhgheating.co.uk
010310 Draft
16.0 Optional System Controls.
If required the following controls can be applied to the ECOSTAR 500 range to enhance boiler and system
operational efficiency and longevity. (Further detailed guidance can be obtained from the respective
controller manuals.)
RVA47 Cascade Manager.
This cascade manager has the capability to control up to twelve appliances, one CT circuit and one HWS
primary circuit. The RVA47 cascade manager communicates with the RVA63 & 46 zone controllers via LPB,
offering enhanced communication, zone and module temperature control. A dedicated housing is also
available to ease the installation process.
RVA63 Dual Zone Controller.
This dual zone controller has the capability to control up to two independent CT/VT or a mixture of both.
The RVA63 dual zone controller communicates with the master boiler mounted RVA47 Cascade Manager via
LPB, offering enhanced communication, zone and module temperature control. A dedicated housing is also
available to ease the installation process.
RVA46 Single Zone Controller.
This single zone controller has the capability to control one CT/VT zone. The RVA46 single zone controller
communicates with the master boiler mounted RVA47 Cascade Manager via LPB, offering enhanced
communication, zone and module temperature control. A dedicated housing is also available to ease the
installation process.
QAA70 Modulating Full Function Room Unit.(One unit per zone.)
This modulating full function room unit offers the heating user full remote access to the all functions that
effect the provision of heat to the respective zone. The unit also displays information from all attached
temperature sensors. Boiler, Hot water, Outside and remote tamperproof room unit(QAW44).
QAA50 Modulating Limited Function Room Unit.(One unit per zone.)
This modulating limited function room unit offers the heating user reduced remote access to operating
mode and temperature functions that effect the provision of heat to the respective zone.
QAA10 Modulating Tamper-proof Room Sensor. (One Unit per zone.)
This modulating tamper-proof room unit offers room temperature feedback from the heated space that
effects the provision of heat to the respective zone.
