Supplied By www.heating spares.co Tel. 0161 620 6677
ELECTRICITY SUPPLY
3.9
EXTERNAL CONTROLS
3.10
a)
Wiring external to the appliance must be in accordance with the
current I.E.E Wiring regulations (BS 7671) for electrical installation
and any local regulations, which apply.
b)
The mains cable must be at least 0.75 mm2 (24/0.2 mm) PVC
insulated to BS 6500 table 16.
c) THIS APPLIANCE MUST BE EARTHED.
Failure to provide a
satisfactory earth connection will result in appliance malfunction.
d)
The method of connection to the mains supply must facilitate
complete electrical isolation of the appliance. Either a 3A fused
three pin plug and un-switched shuttered socket outlet, both
complying with BS 1363, or a 3A fused double pole switch having a
3 mm contact separation in both poles and serving only the boiler
(and its external controls) may be used.
The CBX appliances may be used with any certified mains voltage room
thermostat, and the SBX appliances with any certified
programmer/room thermostat, as described in section 4. A low voltage
DHW cylinder / tank sensor is available as a kit, for use with SBX
appliances.
For further information contact: Halstead Boilers Ltd, Service Helpline:
0844 371 1111.
8
ALTERNATIVE METHODS OF FILLING A SEALED SYSTEM
STOP
VALVE
MAINS WATER
SUPPLY
MAINS
WATER SUPPLY
DOUBLE
CHECK
VALVE
ASSEMBLY
FLEXIBLE HOSE UNION
TEMPORARY CONNECTION
To be removed imediately after filling
STOP
VALVE
CISTERN &
OVERFLOW
HEATING
SYSTEM
RETURN
PRESSURE PUMP
& REDUCING VALVE
IF REQUIRED
STOP
VALVE
HEATING
SYSTEM
RETURN
METHOD A
METHOD B
RECOMMENDED AND APPROVED METHOD
FOR FILLING A CLOSED CIRCUIT IN A HOUSE.
(R24-2a WATER REGULATIONS GUIDE)
Note:
The appliance
has a built in
filling loop.
16
751030 MANUAL (NEW) 21/9/10 08:43 Page 34
