Procon 75 User Manual download pdf

MHG Heating Ltd©

MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR

Telephone 08456 448802 Fax 08456 448803 Email [email protected].uk

Web www.mhgheating.co.uk

ProCon 16, 31, 47, 75, 77 & HT. RVA 46.

Zone Controller Commissioning Data.

The RVA 46 Zone Controller can only be used in conjunction with a RVA47

controlled boiler installation.

The RVA46 controller must be connected to a LPB network utilized by the

RVA47 controllers.

Dedicated connections points can be found in the wiring looms supplied

within the housing for the RVA 47 and RVA46.

Separate wiring looms are available if the controllers are to be panel

mounted.

The RVA 46 controller can control it dedicated heating zone in one of two

methods.

Fixed flow temperature controlled by the master RVA47.

A flow sensor is NOT required. The controller will use the outside

air temperature reading obtained by the master RVA47.

The controller will control the operation of the zone pump.

The temperature control of the respective area can be enhance by

the application of a dedicated room unit. QAA70, QAA50 or

QAA10.

Variable flow temperature controlled via a combination of the following.

A flow sensor positioned on the respective zone’s flow pipe after

the three port mixing valve and pump. (QAD21 or QAD26)

The controller can utilize the outside air temperature information

obtained by the master RVA47, however if the heating zone is

effected by adverse outside temperature that is different from that

sensed by the masters RVA47 sensor a dedicated zone sensor can be

installed and wired to the RVA46 controller.(QAC32)

The controller will control the operation of a three port mixing

valve (230Volt) (supplied by others.)

The controller will control the operation of the zone pump.

The temperature control of the respective area can be enhanced by

the application of a dedicated room unit. QAA70, QAA50 or

QAA10.

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