Liebert CR020 User Manual page 64

54 Appendix 2 Technical Data Tables
CR020RW
CR035RW
Note*:
The recommended oil is EMKARATE RL 32-3MA
Note: The air conditioner is supplied complete with refrigerant and oil.
The detailed sound data of the Liebert.CRV are listed in Table 8.
Airflow
Fan speed
(%)
SCFM
100 2454
75 2166
55 1780
100 3260
75 2708
55 2048
100 3325
75 2708
55 1972
Note: PWL is sound power level; SPL is sound pressure level
Table 7 Refrigerant and oil charge for water cooled models (W type)
Model
Table 8 Sound data of Liebert.CRV
3
m /h Level 31.5
4170 PWL 73.8 69.4
3680 PWL 71.2 66.8
3025 PWL 67.6 63.2
5540 PWL 76 76.2
4600 PWL 71.3 71.5
3480 PWL 66.3 66.5
5650 PWL 86.4 78.1
4600 PWL 80.8 72.5
3350 PWL 75.1 66.8
Liebert.CRV Series Air Conditioner User Manual
R410A refrigerant charge (kg)
6.5
11
Octave band frequency(Hz)
63 125 250 500
CR020 air cooled models
71 77.3 75.9
68.4 74.7 73.3
64.8 71.1 69.7
CR035 air cooled models
80.5 82.7 77.3
75.8 78 72.6
70.8 73 67.6
CR040 water cooled models
82.4 84.6 79.2
76.8 79 73.6
71.1 73.3 67.9
Initial oil charge* (kg)
1000 2000 4000 8000
74.2 73.5 68.2 59.2
71.6 70.9 65.6 56.6
68 67.3 62 53
73.1 74.5 69 61.9
68.4 69.8 64.3 57.2
63.4 64.8 59.3 52.2
75 76.4 70.9 63.8
69.4 70.8 65.3 58.2
63.7 65.1 59.6 52.5
1.68
3.08
Unit SPL
Sound
suction
level
(2m from
(dBA)
front, dBA ）
79.6 69.2
77 66.9
73.4 63.9
80.9 70.0
76.2 65.7
71.2 61.9
82.8 71.6
77.2 66.0
71.5 60.3