Supplied By www.heating spares.co Tel. 0161 620 6677
7a
TYPICAL SYSTEM DESIGN FOR EDEN CBX
APPLIANCE
TIME
CLOCK
PRESSURE
RELIEF OUTLET TO
DRAIN
DOMESTIC
HOT WATER
OUT
DOMESTIC
HOT WATER
DOMESTIC
COLD WATER
CH RETURN
CH FLOW
MAINS
WATER IN
ROOM
THERMOSTAT
DRAIN COCK AT
LOWEST POINT
IN SYSTEM
RADIATOR WITH
2 LOCKSHIELD
VALVES IN OPEN
POSITION
GAS SUPPLY
PRESSURE REDUCING
VALVE (if required)
BS STOP VALVE
(Fixed Spindle)
MAINS WATER
7b
OPTIONAL SYSTEM DESIGN WITH UNVENTED STORAGE
CYLINDER FOR EDEN SBX
For information please contact Halstead Boilers
Technical Helpline: 0844 371 1111
NOTE (CBX circuit):
No automatic by-pass required. However it is recommended to
leave one radiator open to ensure pump over-run function. It is also recommended to
fit TRV’s on all radiators except in rooms with a room thermostat
NOTE (SBX circuit):
For detailed system designs see the seperate booklet supplied
with the boiler.
2 CHANNEL DHW / CH
STANDARD TIMESWITCH
JUNCTION BOX
ROOM STAT.
BOILER
R = RETURN
F = FLOW
SPRING LOADED BYPASS
CYLINDER
CONTROL STAT.
R
F
F
2 x TWO-PORT
SPRING RETURN VALVES
DRAIN COCK AT LOWEST
POINT IN THE SYSTEM
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751030 MANUAL (NEW) 21/9/10 08:43 Page 33
