Glow-worm Ultrapower sxi Series Installation And Servicing page 9

PRIMARY CIRCUIT
FLOW THERMISTOR
PRESSURE
SENSOR
CONNECTOR
BYPASS
FILTER
CONNECTOR
TEMP. &
PRESSURE
SAFETY
DISCHARGE
VALVE
TUNDISH
'A'
TANK
THERMISTOR
FILLING
LOOP
CH
FLOW
HYDRAULIC SCHEMATIC
1 Boiler Specifications
PRIMARY HEAT
EXCHANGER
GAS
CONTROL
VALVE
AUTOMATIC
ADJUSTABLE
BYPASS
DHW
THERMISTOR
SHIFT LOAD
TANK
IMMERSION
HEATER
DT
DHW
GAS
PRIMARY CIRCUIT
RETURN THERMISTOR
AUTOMATIC
AIR VENT
HEATING
PUMP
3 WAY VALVE
PLATE TO PLATE
HEAT EXCHANGER
DOMESTIC
PUMP
SAFETY
DISCHARGE
VALVE - 6 BAR
PRESSURE
REDUCING
VALVE
TUNDISH
'A'
DCW
9
HEATING WATER
EXPANSION
VESSEL
SAFETY
DISCHARGE
VALVE
3 BAR
M
TUNDISH
'B'
CH
RETURN
Diagram 1.2