Procon 75 Uživatelský manuál stáhnout pdf

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

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

Web www.mhgheating.co.uk

ProCon 16, 31, 47, 75, 77 & HT. RVA 47. Mk2 Cascade

Controller Commissioning Data. (Grey Housing)

The Mk2 RVA47 controller can be identified by the inclusion of the letter B after the Build Code stamped on the rear of the unit. The

Build Code is located above the Live and Neutral terminals on the rear bottom right of the unit. (Viewed from the rear.)

To ensure that the RVA47 cascade controller operates satisfactorily the following sensors or substitute

resistors must installed.

A QAD21 Flow sensor

A QAD21 Return sensor (Optional)

A QAC32 Outside air sensor or Substitute Resistor simulating –1

C (620.Ohms) (Part # Res 620)

To ensure that the ProCon boiler can communicate with the RVA47 controller the following hardware must be

connected to each LMU64 controllers mounted in the rear of each ProCon boiler.

1x OCI420 Communication Clip. Clipped into the right hand space on the front of the LMU64 controller.

1x OCI420 Wiring loom to be connected to the exposed PCB at the base of the OCI420 Clip X40 and to the

exposed PCB at the base of the LMU64 controller X40.

Wiring Configuration and Type

The interconnecting cascade wiring from the RVA 47 to the ProCon boilers must be connected as follows: In a

parallel configuration using screened cable. (The screening must be earthed)

The internal boiler pump wiring must be altered as follows.

The boiler pump must be connected to K1 (X02:02) and not K2 (X02:03)

RVA47 LPB Connections.

MB Pink

DB Purple

LMU64 / OCI420 Clip ProCon Boiler Connections.

X41 Connection Plug on front of OCI420.

#1 left hand terminal. DB Purple

#2 Right hand terminal. MB Pink

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