Figure
6
. Installation for
MT
Boiler
Wras Approved Filling Loop
DHW
CH Return
CH Supply
BS Stop Valve Fixed spindle type
Water main
6.2.2 ST Model (System Boiler)
Resistors
Overheat Thermostat
Air Purge
Terminal Blocks
Circuit Breaker
Contactor
Relay Boards
Drain Valve
Pressure Sensor
Pressure Relief Valve
Flow Manifold
Figure
7.
ST
Boiler
13