Electrical Connections - Benchmark Alpha InTec 24X Installation And Servicing Instructions

2.4 FLUE LENGTHS
CD Easy-Flue 500 mm with terminal and 90° bend. A CD Easy-Flue 1000 mm with terminal and 90° bend is also available.
CD 750 mm and 1000 mm flue xtensions are available.
Length of Flue Required:-
Rear Flue = wall thickness + 160 mm (includes terminal). This is without back frame, add 45 mm if the wall jig is used.
Side Flue = wall thickness + distance between wall and side of boiler + 245 mm (includes terminal)
Vertical Flue = distance from top of boiler side panel to required roof position minus 1000 mm for vertical terminal assembly
Maximum horizontal flue length = 12 m
Maximum vertical flue length including te minal is 14 m.
Each additional CD 90° Bend is equivalent to 1.3 m of flue length
Each CD 45° Bend is equivalent to 0.9 m of flue length
The CD Vertical Flue terminal assembly is equivalent to 1 m of flue length
2.5 AVAILABLE PUMP HEAD FOR CENTRAL HEATING
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
2.6

ELECTRICAL CONNECTIONS

Note: This Appliance Must Be Earthed
Optional integral single channel controls
are available if required.
Note: Only use the Alpha single channel
controls. Do not fit a y two channel
controls.
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Alpha InTec C and X - Technical Data
200 400 600
Flow (litres/hr)
230 V ~ 50 Hz CONNECTIONS
Remove the link between 1 and 2 if the
optional Alpha Climatic control or 230 V
room thermostat is used.
Supply
230 V ~ 50 Hz
L N
Mains terminal block
1
230 V ~ Control connections
Ensure Control wires are
connected correctly - refer to the
control and boiler instructions for
connection details.
Optional Alpha controls
800 1000 1200
Room
thermostat
Link
(optional)
Red
1 2
2 3 4 5
WARNING
Fig. 1
1400 1600
LOW VOLTAGE CONNECTIONS ONLY
(optional Climatic or RF Climatic control)
DHW inlet External
NTC sensor probe Climatic control
(optional) (optional) (optional)
_
8 9 10 11 12
Low voltage terminal block
RF Climatic
control receiver
(optional)
RF Climatic
control (optional)
Alpha
+
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