Heatrae Sadia ELECTROMAX Installation & Servicing Instructions Manual page 7

Diagram 2 Key Components
Primary System
Expansion Vessel
Air Valve
Primary System
Expansion Vessel
Connection
User Interface Panel
Electrical Connection
Terminal Blocks
Primary System Pressure
Relief Valve
Temperature / Pressure
Relief Valve
Automatic Bypass
Valve
Discharge Pipe
Primary Flow
Isolating Valve
Primary Return
Isolating Valve
Electric Control Circuitry
(Mounted Behind Fascia)
Tundish
Primary System
Drain Point
Primary System
Expansion Vessel
Primary Circulating
Pump
Automatic Air Vent
Top Panel
Fascia Panel
Panel Mounted Fuses 3 amp
Boiler Electronic Control
(Under Cover)
Boost Immersion
Heater
Domestic Hot
Water Cylinder
(Insulated)
Electric Boiler
Filling Loop
Off Peak Immersion
Heater
Filling Loop
Isolating Valve
Hot Water Outlet
Connection
Cold Water Inlet
Connection
Filling Loop
Isolating Valve
(Primary Side)
Installation & Servicing Instructions 7