Reference Manual
00809-0100-4841, Rev. AA
May 2007
3-3
Rosemount 3490 Series
MOUNTING THE
ROSEMOUNT 3490
SERIES CONTROL UNIT
Mounting the IP-rated
Wall Mount Models
Guidelines:
• This housing is rated IP65. It is suitable for mounting outside, but this
should be above any flood level, away from any overflow path, and away
from direct sunlight.
• Do not mount the Control Unit on a structure that is subject to vibration, or
in a position where damage may be caused by impact, thermal stress, or
liquid ingress.
• The mass of the mains powered unit is 1.4 kg, and the DC powered unit is
1.0 kg. To conform with safety requirements, the wall on which the unit is
mounted should be capable of supporting 4 times this weight.
• It is not necessary, or advisable, to remove the upper part of the unit
housing that contains the LCD and keypad. There are no user serviceable
parts inside. The unit must not be modified in any way.
Procedure:
a) Mount the unit on a suitable wall or structure using the fixing points shown
on Figure A-1 in Appendix A.
b) For electrical connections, see “Electrical Connections on Wall Mount
Models“ on page 3-6.
Mounting the
NEMA 4X-rated Wall
Mount Models
Guidelines:
• This housing is rated NEMA 4X. It is suitable for mounting outside, but this
should be above any flood level, away from any overflow path, and away
from direct sunlight.
• Do not mount the 3490 Series Control Unit on a structure that is subject to
vibration, or in a position where damage may be caused by impact,
thermal stress, or liquid ingress.
• The mass of the mains powered unit is 3.5 kg, and the DC powered unit is
3.1 kg. To conform with safety requirements, the wall on which the unit is
mounted should be capable of supporting 4 times this weight.
• It is not necessary, or advisable, to remove the upper part of the unit
housing that contains the LCD and keypad. There are no user serviceable
parts inside. The unit must not be modified in any way.
• The 3490 Series Control Unit is not supplied with cable entries for
connections to the field mounted transmitter or the mains power supply.
Model 3493 has a download socket factory pre-fitted.
• It is the responsibility of the user to ensure that cable glands and
connection to the 3490 Series Control Unit are in accordance with the
local or national standards. To maintain the type 4X rating of the
enclosure, type 4X connections must be used.
Procedure:
a) Mount the unit on a suitable wall or structure using the fixing points shown
in Figure A-2 (Appendix A).
b) For electrical connections, see “Electrical Connections on Wall Mount
Models“ on page 3-6.
To Next Page
Loading...