11
e)
A domestic hot water r
egulator is not fitted within the appliance
to control the maximum water flow rate. However, if the flow rate
is too high a 12 l/min flow rate regulator can be fitted as an
optional extra.
f)
In ar
eas where the water is ’hard’ (i.e. more than 200 ppm
total hardness as defined by BS 7593: 1993 Table 2) it is
recommended that a proprietary scale-reducing device is fitted into
the boiler cold supply, within the requirements of the local water
company.
DOMESTIC HOT / COLD W
ATER SUPPLY TAPS AND
MIXING TAPS.
All equipment designed for use at mains water
pressure is suitable.
SHOWERS & BIDETS.
Any mains pr
essure shower or bidet
complying with the Local Water Undertaking byelaws is suitable.
a)
W
iring 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)
For Ir
eland (IE), refer to I.S.813.2002 and the current ETCI
rules for electrical installations.
c)
The mains cable
must be at least 0.75 mm
2
(24/0.2
mm) PVC insulated to BS 6500 table 16.
d)
THIS APPLIANCE MUST BE EARTHED.
Failur
e to provide
a satisfactory earth connection will result in appliance malfunction.
e)
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.
3.9
ELECTRICITY SUPPLY
3.10
EXTERNAL CONTROLS
The Maxol Supacombi HE may be used with any cer
tified mains
voltage room thermostat, as described in section 4. For further
information contact: Technical Help line: 01926 834834.
8
97
WALL FIXING HOLES
CE
N
T
RE
L
IN
E
OF B
OIL
E
R
FLUE
NOTE:
DRILL 10mm DIA. HOLE TO SUIT
COACH BOLTS AND BLUE RAWL
PLUGS SUPPLIED.
USE REMAINING HOLES FOR EXTRA
SUPPORT WHEN REQUIRED.
NOTE:
AFTER 1m HORIZONTAL
2.5
°
- 3
°
ANGLED SLOPE
TOWARDS BOILER.
WARNING:
BOILER WEIGHT IS
46kg.
PLEASE ENSURE WALL IS
CAPABLE OF SUPPORTING THIS
WEIGHT AS RECOMMENDED IN
THE BUILDING REGULATIONS.
21.5 - 22mm
Ø1
25
CH RETURN
COLD WATER INLET
DHW OUTLET
CH FLOW
GAS INLET
22mm (Rs
3
4
)
15mm (Rs
1
2
)
22mm (Rs
3
4
)
15mm (Rs
1
2
)
15mm (Rs
1
2
)
246
195
297
22
37
65.0
57.5
58.5
65.0
SO
LI
D
OU
T
LI
N
E
=
OU
TS
ID
E O
F
C
A
SE
9
W
ALL MOUNTING
Note:
An automatic bypass is fitted to the appliance, 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 the rooms with a
room thermostat.
FOR FUR
THER INFORMATION PLEASE CONTACT TECHNICAL HELP LINE:
01926 834834
TYPICAL SYSTEM DESIGN
