IDEAL Harrier GTS 5 Installation And Servicing page 31

48 BURNER WIRING HARNESS
Burner Cable
The control panel is supplied with a burner power supply
cable, with one 7 and one 4-pin European plugs on one
end and a terminal block with male connecting terminals
on the other end.
Control Panel Connections
Connect the terminal block with the male connecting
terminals to terminals 4-12 in the control panel.
Burner Wire
Connector No.
Terminal No.
L1 7 Permanent Live supply from the safety thermostat
g/y Earth connection
N 6 Neutral taken after On/Off Switch
T1/T2 5/4 Volt free contact of the stage 1 boiler thermostat
S3 8 Burner alarm indicator
T6 1 Stage 2 boiler thermostat input
T7 3 Stage 2 "boiler off" thermostat output
T8 2 Stage 2 "boiler on" thermostat output
Note.
If the electrical characteristics of the burner exceed the
following values:
- start up current > 16 A or
- P > 450 W (or 1/2 cont. hp. motor), or
I > 2A cos ϕ = 0,7
-
The burner controls circuit must use a relay.
49 FUEL OIL OR GAS CONNECTIONS
Refer to the instructions supplied with the burner.
Harrier GTS -
Installation & Servicing
INSTALLATION
7-pin plug for
one-stage burners
or stage 1 of
two-stage burners.
Burner Connections without Plug-in Connectors
In this case, the connectors supplied with the burner cable must
be rewired.
The diagram shows the wire numbers and terminals of the burner
connectors.
The table below specifies the way in which the cables are to be
connected to the burner control box.
har7058
From
4-pin plug for
stage 2 of the
burner.
4 5 6 7
8
B4 S3 T2 T1 N L1
Connection to the Burner Control Box
Burner main supply
Earth connection
Neutral terminal
Insert the control circuit of boiler stage 1
Alarm output (live)
Insert in the control circuit of burner stage 2
Connect only if the burner is of the modulating type
Insert in the control circuit of burner stage 2
Terminal block for
connecting to the
control panel.
VIS5146
1 3 2
B5 T6 T7 T8
31