Technical Speci Cations; Compressor Speci Cations; Performance Data; Variable Speed Drive Speci Cations - Danfoss VRJ Application Manuallines

Application Guidelines

Compressor speci cations

Performance data

Variable speed drive
speci cations

Bearings lubrication

6
AB141686422149en-US0401
Technical specifications
Swept
Compressor volume
Min speed
model
cu.in/rev
900 rpm
VRJ028 1.64
VRJ035 2.12
VRJ044 2.65
Compressor Nominal
Conditions
model Tons
VRJ028 3 Tons
High SEER
conditions VRJ035 4 Tons
(H)
VRJ044 5 Tons
VRJ028 3 Tons
CHEER
VRJ035 4 Tons
conditions
VRJ044 5 Tons
VRJ028 3 Tons
Heat Pump
VRJ035 4 Tons
conditions
VRJ044 5 Tons
VRJ028 3 Tons
SEER
VRJ035 4 Tons
conditions (I)
VRJ044 5 Tons
Evaporating
Conditions Temperature
(°F)
High SEER
50
conditions (H)
CHEER
45
conditions
Heat Pump
30
conditions
SEER
55
conditions (I)
For dedicated variable speed drive speci cations,
refer to "Danfoss VRJ Installation and Operation
instructions".
A speci c oil pump ensures optimal bearing
lubrication at all compressor speeds. This to have
su cient bearing lubrication at low speeds as well
Displacement
30 Hz 60 Hz
1800 rpm 3600 rpm
51 103 206
66 133 265
83 166 332
Compressor speed
rpm Hz
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
3600 60
4200 70
1800 30
1800 30
1800 30
Condensing
Superheat
Temperature
(°F)
(°F)
115 20
100 20
110 20
100 20
as avoid excessive Oil Circulation Ratio (OCR) at
high speeds.
Oil charge
Max speed
oz
4200 rpm
240 36
310 57
387 57
Compressor capacity
Compressor
isentropic e ciency
Btu/hr Ton
36700 3.06
42700 3.56
46400 3.87
53400 4.45
57800 4.82
68100 5.68
36500 3.04
42300 3.53
46200 3.85
53000 4.42
57900 4.83
68300 5.69
25100 2.09
29300 2.44
31800 2.65
36700 3.06
40200 3.35
47300 3.94
21000 1.75
26800 2.23
34500 2.88
Subcooling
(°F)
15
15
15
15
Net weight
lb
53
55
55
66.2
64.9
67.6
65.1
68.3
67.0
65.9
64.3
67.3
64.6
68.8
67.5
59.7
58.8
61.0
59.0
62.2
61.2
68.5
69.7
70.9