Hydraulic Design Cascade Units - MHG Heating ProCon HT 150 Installation And Operating Manual

8.1 Hydraulic Design Cascade Units (HT Only)
(Additional Boiler circuit circulating pumps are required when using multiple HTP
units.)
Legend
AF Outside Air Sensor (QAC34)
BW Hot Water Sensor(QAZ36) or VF Thermostat PM
BW Hot Water Primary Pump
FP System Filling (Approved)
RS Return Sensor
Electrical Connections Cascade Units
If Direct On Boiler Weather Compensation is not required a 3000 Ohm Resistor must be applied to the AF terminals to remove the E10 Error Code from the RVS43 143
Addition control and hydraulic configurations are possible.
MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
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Cascade Manager LPB Network.
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Heating Circuit Pump
System Pressure Manager
Room Unit (QAA), BMS etc
Flow Sensor
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