Prepare for Installation
7
Clearance Requirements
152 mm
(6”)
394 mm
(15.5”)
914.4 mm
(36”)
Install the ERn enclosure with:
• a minimum of 294 mm (15.5 in) front clearance
for proper door operation.
• a minimum of 152 mm (6 in) clearance from
the left and right sides from walls or other
equipment to allow proper convection airflow
in the enclosure.
Rack Dimensions and Weights
Installation Environment Requirements
A clean (not dusty), temperature controlled environment with the following conditions:
• ambient temperature of 32-104°F / 0-40°C
• ambient humidity of 10-90%, non-condensing
• Restricted public access to prevent tampering is recommended.
• CE Marked equipment, tested to EMC category B environment.
Rack Type
Height
Width
Depth
Product
Weight
Shipping
Weight
inches
mm
inches
mm
inches
mm
lbs
kgs
lbs
kgs
ERn2 - W
8.8
223
15.5
394
9.6
244
15
6.8
20
9.1
ERn4 - W
14.1
358
15.5
394
9.6
244
20
9.1
25
11.3
CAUTION:
HVAC systems must at all times maintain the specified ambient temperature
at the Unison ERn enclosure.
