Refrigeration units of provision storerooms for storage of sausage, ham products and edible animal fats
Section 6
Main elements of refrigeration unit of storeroom for storage of sausage and ham products
6.1 Condensing unit Bitzer LH44/2FC-2.2Y-40S
Figure 6.1 – Unit overall and connection dimensions
Positional designations given in figure 6.1:
1 – suction line connection;
2 – discharge pipeline;
3 – liquid refrigerant pipeline;
4 – connection of liquid refrigerant line at receiver outlet;
5 – connection of refrigerant emergency discharge valve 1 ¼-12 UNF.
Unit technical characteristics
Table 6.1
Parameter name |
Value |
Weight |
80 kg |
Total width |
650 mm |
Total depth |
607 mm |
Total height |
516 mm |
Suction line connection |
16 mm – 5/8” |
Discharge line connection |
10 mm – 3/8” |
Fans quantity |
1 pc. |
Voltage (Standard) |
230 V – 1 ph – 50 Hz |
Fan consumption current |
0,56 A |
Fan consumption power |
125 W |
Air volume flow rate |
1840 m³/h |
Condensing unit volume |
2,5 dm³ |
Receiver type |
FS056 |
Maximum filling-up with refrigerant R507 90% at 20 °С |
5,4 kg |
Sound power level (-10°C/45°C) @ 50Hz |
73,5 dB(A) |
Sound pressure level @1m (-10°C/45°C) @50Hz |
65,5 dB(A) |
Technical characteristics of condensing unit at nominal mode, as applied to refrigeration unit of provision storeroom for storage of sausage and ham products, are given in Table 6.2.
Table 6.2
Parameter name |
Value |
Unit type |
LH44/2FC-2.2Y-40S |
Series |
Standard |
Refrigerant |
R507 |
Boiling temperature of evaporation refrigerant |
-11°C |
Ambient temperature |
35°C |
Suction vapours temperature |
20°C |
Power supply |
400 V – 3 ph – 50 Hz |
Effective overheating |
100% |
Capacity regulator |
100% |
Refrigeration capacity |
4,02 kW |
Evaporator refrigeration capacity |
4,02 kW |
Consumption power |
2,41 kW |
Current (400 V) |
4,29 A |
Power supply voltage |
380-420 V |
Refrigerant mass flow rate |
129,1 kg/h |
Condensation temperature SCT |
50,3 °C |
Liquid overcooling |
3,00 K |
Operation mode |
Standard |
Figure 6.2 – Graph of application field
Designations given in Figure 6.2:
tc – condensation temperature
t0 – boiling temperature
t0h –suction vapours temperature
Х – point of nominal mode
6.2 Air cooler ECO MIC 300 ED
Figure 6.3 – Overall and connection dimensions of air cooler
Technical characteristics of air cooler
Table 6.3
Parameter name |
Unit of measurement |
Value |
Model |
- |
MIC 300 ED |
Nominal refrigeration capacity |
kW |
1,99 |
Air flow rate |
m3/h |
1380 |
Jet range |
m |
2×2,5 |
Inner heat-exchange surface |
m2 |
1,3 |
Outer heat-exchange surface |
m2 |
11,8 |
Fans quantity |
pcs. |
3 |
Fan diameter |
mm |
230 |
Fans consumption current |
A |
1,05 |
Fan consumption power |
W |
159 |
Refrigerant volume |
dm3 |
3 |
Power consumed by electrical defrosting system |
W |
2400 |
Heat exchanger connections | ||
Refrigerant inlet (SAE) |
inch |
1/2 |
Refrigerant outlet |
mm / inch |
22 / 7/8 |
Drainage |
- |
G 1/2 |
Weight |
kg |
19 |