Spares
OPUS 30 single fans
ITEM
PART No.
Front grille assembly
770874
Foam Filter set (all units).
630016
Transformer assembly
771921
Internal assembly:
RS12 units
771287
OPUS 30 Twin fans
ITEM
PART No.
Front grille assembly
770874
Foam Filter set (all units).
630016
Transformer assembly
771285
RA12, RAS12, and all 2R type units below
771922
Internal assembly:
2RAS12 units
771290
Installation and Maintenance
OPUS 12V (R range)
5
Installation Notes:
WIRING SIZES
It is important to note that the size of wire used between the
transformer and the fan unit can have an adverse effect on the
units performance if the following table is not adherred to.
Mains supply (240v) ......................0.5mm sq.
TRANSFORMER TO FAN
Cable run
(max. 10m)
Cable size
Up to 2m ...................................0.75mm sq.
Up to 4m ...................................1.00mm sq.
Up to 6m ...................................1.50mm sq.
Up to 10m .................................2.50mm sq.
Power consumption
Unit
input power (watts). ..............................42.0
Full load current (amps). ................................ 4.2
Starting Current (amps). ............................... 4.4
Transformer
input power (watts)................ 67.0
Full load current (amps). ............................... .34
Starting Current (amps). .............................. .35
