Emerson Liebert CRV User Manual page 58

Tab. 3 - Calibrations of electrical components
Refrigeration
Circuit Item COMPONENT
no.
High Pressure
18--- 19
Transducer
Low Pressure
14
Transducer
3
High Pressure Switch (HP)
Clogged filter
---
differential pressure switch
Tab. 4 - R410A refrigerant and oil charge for air cooled models (A type)
BASE
REFRIGERANT
CHARGE
MODEL
[kg]
5.0
CR010RA
5.9
CR020RA
10
CR035RA
Tab. 4a - Refrigerant charge (2)
EXTERNAL PIPE DIAMETER
[mm]
12 x 1
14 x 1
16 x 1
18 x 1
22 x 1.25
28 x 1.5
(+) Liquid pressure and density varies according to condensing temperature (see refrigerant tables).
Tab. 4b -Air cooled condenser refrigerant charge
SETTING
Range 0-45 barg
Output 0-5V
Range 0-17.3 barg
Output 0-5V
STOP 37.0±1 barg
START 30.0±1.5 barg
(fixed setting - manual
reset)
Set point range 0.5-4
mbar
(CF)
Filter G4 = 2 mbar
BASE OIL CHARGE (1)
Oil within compressor
Initial oil charge
[kg]
1.18
1.68
3.08
GAS R410A
[kg/m]
-
0.0124
0.0169
0.0221
0.0346
0.0584
MODEL
HCR 17
HCR 24
HCR 33
HCR 43
HCR 51
HCR 59
HCR 76
HCR 88
(see iCom manual)
(see iCom manual)
Reset
Setting ring
Max System
Refrigerant Charge
before oil addition
Max topping
up
[kg]
[kg]
1.06 24.0
1.57 17.1
2.97 12.6
liquid (+), at different condensing temperatures - R410A
[kg/m]
35°C
0.08
0.11
0.16
0.20
-
-
BASE REFRIGERANT CHARGE
B - 2
Technical data table
NOTES Contact
Normally
closed
Normally
closed
Weight of Oil to add for
every 4,5 kg / 10 lbs of
Refrigerant over Max
System Charge
[g]
22.4
44.8
112.0
[kg/m] [kg/m]
46°C 57°C
0.07 0.07
0.11 0.10
0.14 0.13
0.19 0.17
- -
- -
[kg]
1.3
1.9
2.0
3.1
4.3
4.6
6.3
9.4