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:

t_c – condensation temperature

t₀ – boiling temperature

t_0h –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

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