11
Air Flow Requirements
Upflow Air Discharge to vent directly into the
conditioned space using a distrubution plenum.
Upflow Air Discharge to be connected to
distribution ductwork.
Downflow Air Discharge to supply an underfloor
distribution system.
Upflow Air Discharge Downflow Air Discharge
Shaded Area
Indicates a
Recommended
Clearance of
34” (864 mm)
Be Provided For
Component Access.
Right Side Access
Required for
GLYCOOL units
Shaded Area
Indicates a
Recommended
Clearance of
34” (864 mm)
Be Provided For
Component Access.
Right Side Access
Required for
GLYCOOL units
32½”
(826 mm)
32½”
(826 mm)
32½”
(826 mm)
32½”
(826 mm)
76”
(1930 mm)
76”
(1930 mm)
94”
(2366 mm)
Which is best for you?
After a tour of the site or a review of the plans, your Liebert
representative can recommend a configuration that will handle
the load in the most efficient manner. He can also generate
computerized projections of annual operating costs specific to
your site so you can compare alternative configurations.
Standard Air Volume
*Net Capacity Data
Indoor Self-Contained Systems
3 Ton 5 Ton
Split Systems Centrifugal or
Water/Glycol Condensing Unit
3 Ton 5 Ton
Split Systems Prop Fan Outdoor Condensing Unit
3 Ton 5 Ton
Air Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU042A
37,300 (10.9)
32,600 (9.6)
BF/BU067A
58,100 (17.0)
51,100 (15.0)
BF/BU036E
36,700 (10.8)
32,400 (9.5)
BF/BU060E
55,900 (16.4)
50,200 (14.7)
BF/BU036E
38,800 (11.4)
38,800 (11.4)
BF/BU060E
57,200 (16.8)
50,700 (14.9)
Water Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU046WG
38,300 (11.2)
33,100 (9.7)
BF/BU071WG
62,500 (18.3)
53,000 (15.5)
BF/BU036E
37,500 (11.0)
32,700 (9.6)
BF/BU060E
60,500 (17.7)
52,100 (15.3)
Glycol Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU046WG
34,300 (10.0)
31,400 (9.2)
BF/BU071WG
56,000 (16.4)
50,200 (14.7)
BF/BU036E
33,900 (9.9)
31,200 (9.1)
BF/BU060E
54,700 (16.0)
49,700 (14.6)
GLYCOOL
™
Total BTU/H (kW)
Sensible BTU/H (kW)
BE/BK061G
53,100 (15.6)
48,300 (14.2)
Chilled Water
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU068C
33,700 (9.9)
32,000 (9.4)
BF/BU102C
59,900 (17.6)
54,400 (15.9)
Standard Air Volume
*Net Capacity Data
Indoor Self-Contained Systems
3 Ton 5 Ton
Split Systems Centrifugal Condensing Unit
3 Ton 5 Ton
Split Systems Prop Fan Outdoor Condensing Unit
3 Ton 5 Ton
Air Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU040A
37,800 (11.1)
32,500 (9.5)
BF/BU065A
56,000 (16.4)
48,400 (14.2)
BF/BU035E
35,900 (10.5)
31,700 (9.3)
BF/BU059E
53,900 (15.8)
47,500 (13.9)
BF/BU035E
35,200 (10.3)
31,400 (9.2)
BF/BU059E
55,700 (16.3)
48,300 (14.2)
Water Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU045WG
39,300 (11.5)
33,100 (9.7)
BF/BU070WG
60,700 (17.8)
50,400 (14.8)
BF/BU035E
37,000 (10.8)
32,100 (9.4)
BF/BU059E
58,700 (17.2)
49,600 (14.5)
Glycol Cooled
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU045WG
34,500 (10.1)
31,100 (9.1)
BF/BU070WG
54,100 (15.9)
47,600 (13.9)
BF/BU035E
32,900 (9.6)
30,400 (8.9)
BF/BU059E
52,800 (15.5)
47,100 (13.8)
GLYCOOL
™
Total BTU/H (kW)
Sensible BTU/H (kW)
BE/BK058G
51,300 (15.0)
45,600 (13.4)
Chilled Water
Total BTU/H (kW)
Sensible BTU/H (kW)
BF/BU072C
33,700 (9.9)
32,000 (9.4)
BF/BU101C
57,100 (16.7)
51,400 (15.1)
Liebert Challenger— 50 Hz Data - 72˚F DB-60˚F WB (22˚C DB-15.5˚C WB) 50% RH
Liebert Challenger— 60 Hz Data - 72˚F DB-60˚F WB (22˚C DB-15.5˚C WB) 50% RH
(13 paginas)
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