14
S PLAN WIRING DIAGRAM
Fig.22
Fig.21
SAFETY VALVE
A non-adjustable 3 bar safety valve must be fitted to
the primary flow pipe adjacent to boiler connection
ensuring that any discharge will not create a hazard
to occupants or cause damage to electrical
components or property.
BUNGALOW: FULLY
PUMPED SEALED SYSTEM
2 STOREY HOUSE: FULLY
PUMPED SEALED SYSTEM
Fig.20
DONARD
COOKER
DONARD
COOKER