Heatrae Sadia ELECTROMAX SOLAR Installation & Servicing Instructions Manual page 62

FIGURE 39: SOLAR PRIMARY SYSTEM COMPONENTS
SOLAR PRESSURE
RELIEF VALVE
COMPRESSION
FITTING
AIR VENT AND
CHECK VALVE
COMPRESSION
FITTING
SOLAR FLOW
SOLAR RETURN
PIPE CLIPS
8.12 SOLAR AIR VENT & CHECK VALVE
1. Fully drain the solar primary circuit.
2. Un clip and remove the solar flow pipework from the domestic hot water cylinder.
3. Undo the two compression connections to the solar air vent and check valve
4. Replace the solar air vent and check valve. Re connect the two compression connections.
Fit and re clip the solar flow pipework to the domestic hot water cylinder.
62
CHECK VALVE (RETURN)
COMPRESSION FITTING
FLOW METER
COMPRESSION FITTING
SOLAR THERMAL CUT OUT
(BEHIND COVER)