Glow-worm Swift flow 120 Installation Instructions Manual page 19

9
9.1 Supply Cable Connection
The boiler requires a permanent mains supply through an
isolator which must also isolate any heating system
controls, see diagram 9.1.
Any heating system controls must not interrupt the
permanent mains supply to the boiler.
Remove the electrical connector from the loose items
pack.
Remove the two screws and cover from the connector,
see diagram 9.2.
Using PVC cable of suitable length and rating as stated
in Section 1.8, connect the mains supply cable to the
appropriate terminals of the connector, see diagram 9.1.
Standard colours are, Brown - Live; Blue - Neutral;
Green and Yellow - Earth.
The mains cable outer insulation must not be cut back
external to the plug, see diagram 9.2.
Make the earth cable of a greater length so that if the
cable is strained the earth would be the last to become
disconnected.
CAUTION. It is essential that the polarity is correct.
9.2 Heating System Controls
It is recommended that the heating system is controlled
by a Time-switch and Room Thermostat, (controls may
be mains, low voltage or potential free), or by
thermostatic radiator valves.
If electrical controls are not being used, DO NOT
REMOVE the red link between terminals 1 and 2.
If electrical controls are being used the red link between
terminals 1 and 2 should be removed and the heating
controls connected in series.
The mains cable outer insulation must not be cut back
external to the plug.
9.3 Clock/Timer Kit
An internal clock/timer kit can be supplied, refer to the
literature supplied with the kit.
9.4 Frost Thermostat
If the installation requires protection by a "frost
thermostat", connect a single pole type, to the
appropriate terminals of the connector.
9.5 Cable and Connector Securing
After completing all the connections to the boiler, secure
the cable(s) with the cover, using the two screws
previously removed, see diagram 9.2.
Supplied By www.heating spares.co Tel. 0161 620 6677
E l e c t r i c a l C o n n e c t i o n s
1
2
E
N
L
3
COVER
SCREW (2)
19
RED LINK
Remove when
connecting any
heating system
controls.
CABLE
MAINS
CLAMP
CABLE
Diagram 9.2
220674B