Rva47 Cascade Manager Housing Wiring Information (Including Space For Rva46 Zone Controller) - MHG Heating ProCon 16 Installation And Operating Manual

RVA47 Cascade Manager Wiring Terminals.(Housing)
Terminal Designation
Tag Voltage
DB <25V
MB <25V
A6 <25V
MD <25V
B9 <25V
M <25V
B10 <25V
B3 <25V
B70/
<25V
B4
H1 <25V
Q1 230V
Q3 230V
N 230V
PE -
L 230V
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email
© MHG Heating Ltd
Description/Operation/Function
(LPB Data connected in parallel to boiler mounted OCI420 Clips))
(LPB Ground connected in parallel to boiler mounted OCI420 Clips)
QAA70/50/10 Room Unit (PPS Data)
QAA70/50/10 Room Unit (PPS Ground)
Outside Air Sensor
Ground Connection for all Sensors/Inputs
System Flow Sensor (QAD21)
(To be positioned on system side of system Low Loss Header)
Hot Water Sensor (QAZ21)/Volt Free Enable via Calorifier Thermostat/BMS
(Parameter alteration required if Volt Free Enable Used)
System Return Sensor (QAD21)
(To be positioned on boiler side of system Low Loss Header)
0-10 Volt Input via BMS/Volt Free Enable via Room Thermostat/BMS
Heating Pump Output
Hot Water Charging Pump/3 Way Valve Output
(All 'M' Terminals are Internally Linked)
(Housing designed for use with additional RVA46 Zone controller)
Boiler Communication
Boiler Communication
(QAC31/32) or (620Ω Substitute Resistor = -1
(Mounted on North Facing Wall)
(Max 2 Amp)
Permanent Neutral
Permanent Earth
Permanent Live
(Max 6 Amp)
info@mhgheating.co.uk Web www.mhgheating.co.uk
010109
C)
0
(Max 2 Amp)
33