REFCO SAHARA - Manual (Page 5)

Fig.10.
Alarm Contacts
Volt Free Break On Fault connection is
rated 5 amps 1250VA. It may be
necessary to use a contactor if the air
handler supply is to be switched.
Cable Connections
Wire Colour Connect Symbol
1 GREEN/ YELLOW EARTH E
2 BLACK LIVE L
3 WHITE NEUTRAL N
4 VIOLET Alarm contact
5 VIOLET Alarm contact
E L N
POWER SUPPLY
CONTROL
CIRCUIT
1A
FUSE
1 2 3 4 5
Wiring Connections
Connect the ground, live and neutral wire from the supply cable of the SAHARA pump
to the supply terminals (see Fig.6)
This product must be connected using a switch with contact separation in all poles that
provide full disconnection from the power supply under over-voltage categories III. A
fuse non time delay (rated 250V 1A), shall be fitted into the line, supply side (see
Fig.10).
Pump installation
The SAHARA pump can be installed in any convenient space inside the equipment,
trunking or voids up to 1 metre above the sensor. Typical installations are shown below.
(Fig.7) Inside the air handler. (Fig.8) In a false ceiling above the air handler. (Fig.9)
Inside trunking or false wall.
Where possible the pump should be placed on or wrapped in foam insulation
and cables and tubes should be secured to reduce vibration and noise.
Fig.7. Fig.8. Fig.9.
GB
4