8
Wyvern Timer 2000R Operating Instructions
The high current
connections shown in
Figure 8 are required only if
the total current of both
outputs exceeds 3.15A.
Refer to page 3 of the
electrical installation section
for further details.
Figure 8 - High Current Connections
Wiring Connections
Cable and fuse size:
With 24V, VF (volt-free)
and 1kVA loads use cable
of cross-sectional area not
less than 1.0sq. mm
(1mm
2
) and externally fuse
at 5A.
With 7kVA rated models
use cable of not less than
6.0sq. mm (6mm
2
) and
externally fuse as
appropriate up to a
maximum of 30A.
The use of 20mm conduit is
recommended (use male
thread adaptor with lock-
ring, for example Ega type
EMA 1ZM). Alternatively fit
a 20mm nylon compression
cable gland to provide
strain relief.
Figure 7 – Mains Wiring
WARNING
THE TIMER CASE MUST BE SECURELY CONNECTED TO A KNOWN EARTH
Refer to page 5
