Technical data

Procon
. S T 
Typical single Procon , ,  &  boiler installation serving domestic hot water and heating systems using
a low velocity mixing header, single primary pump and two number  Port Valves with conventional controllers.
Typical ‘S’ Plan system.
Please note;
• The Procon,  &  models include an internal pump and therefore an external boiler pumpis
not required.
• The boiler pump on the Procon  must be wired to K (Terminals X-)
Fig .a – Hydraulic Layout
Fig .b – Wiring Diagram for Models ,  & 
Legend
CS Cylinder Thermostat
CWM Cold Water Main
DOC Drain O Cock
IV Isolation Valve
LSV Lockable Service Valve.
PABV Pressure Activated By-Pass
Valve
RS Room Thermostat
SV Safety Valve.
WC Wiring Centre
NOTE
This system can only be operated at
Constant HIGH temperature.
