Air Cooled Quick Frozen Spiral Freezer Bitzer Compressor Racks

1. Brief Introduction - Condensing Unit 1) This condensing unit is equipped with world-renowned Bitzer ECOLINE series semi-hermetic piston compressors, offering high reliability and efficiency. 2) Multiple compressors are connected in parallel to provide larger capacity, sharing the same discharge pipe, suction pipe, condenser, liquid receiver, etc. 3) Compact design for easy installation and smaller space requirements. 4) Multi-stage energy adjustment according to cooling capacity to reduce operational costs. 5) Suitable for medium and low temperature applications. 6) Other power supplies not listed in the specification can be customized, such as 220/440/460V-3Phase-60Hz. 7) Applications include meat, vegetable, fruit cold storage, food processing workshops, chemical cold rooms, medicine cold rooms, freezer tunnels, blast freezers, walk-in freezers, supermarket food display cabinets, and fresh keeping. 2. Characteristics 2.1 Variety of Options - Piston type 2 compressor parallel unit - Piston type 3 compressor parallel unit - Piston type 4 compressor parallel unit - Compatible with multiple refrigerants: R404a, R507, R407C, R22 2.2 Stable & Reliable - Units are equipped with high-quality compressors from well-known brands, following the latest design standards for a safe and reliable system. - Standard controller to avoid frequent motor on/off cycles and safety protection modules including phase loss protector, inverted sequence, overvoltage, undervoltage, oil pressure, high pressure, low pressure, and motor overload. 2.3 High Efficiency & Energy Saving - With a huge demand difference between seasons, the unit has high-level control for capacity, ensuring efficient operation. - Parallel units offer higher efficiency than single compressor units by up to 30%. - Multiple energy level control allows smooth allocation of refrigeration output based on actual conditions. - High-efficiency oil separator ensures minimal lubricating oil enters the system, enhancing heat exchange efficiency. 2.4 Compact & Nimble - Components like compressors, reservoirs, gas-liquid separators, oil separators, and electrical control equipment are all centralized, maximizing space usage. - The compact structure saves assembly space, providing more room for commercial use and benefiting end users with additional profit. 3. Technical Data

**Air cooled racks - Medium Temp - 2 compressor system (R22)**
Model     ESBA~			20NJR2B	30NJR2B	40NJR2B	50NJR2B	60NJR2B
Room Tem range (ºC)			 -5ºC ~5ºC
Refrigerant			R22
Power supply			380/400/415V/3Ph/50 HZ
Compressor	Type		Hermetic piston
	Model		4VES-10	4PES-15	4NES-20	4HE-25	4GE-30
	Qty		2	2	2	2	2
Cap. Power	Evap T	Capacity (W)	41600	57600	68000	90800	105200
	 - 5ºC	power (KW)	14.42	20.1	23.62	31.72	36.56
	Evap T	Capacity (W)	33300	46000	54400	72800	84800
	 - 10ºC	power (KW)	13.3	18.46	21.76	29.32	33.86
	Evap T	Capacity (W)	26160	35980	42800	57600	67200
	 - 15ºC	power (KW)	12.04	16.64	19.72	26.66	30.88
Connection	Gas in(mm)		φ42	φ54	φ54	φ66	φ66
	Liquid out(mm)		φ22	φ22	φ28	φ28	φ28
	Exhaust(mm)		φ35	φ35	φ35	φ35	φ35
	Liquid in (mm)		φ28	φ28	φ28	φ28	φ28
Overall Size	L (mm)		2550	2550	2550	2550	2550
	W(mm)		1200	1200	1200	1200	1200
	H(mm)		1850	1850	1850	1850	1850
Model     ESBA~			70NJR2B	80NJR2B	100NJR2B
Room Tem range (ºC)			 -5ºC ~5ºC
Refrigerant			R22
Power supply			380/400/415V/3Ph/50 HZ
Compressor	Type		Hermetic piston
	Model		6HE-35	6GE-40	6FE-50
	Qty		2	2	2
Cap. Power	Evap T	Capacity (W)	136000	156200	188200
	 - 5ºC	power (KW)	47.8	54.8	66.6
	Evap T	Capacity (W)	109400	125400	151400
	 - 10ºC	power (KW)	44.2	50.6	61.8
	Evap T	Capacity (W)	86400	99200	120000
	 - 15ºC	power (KW)	40	46.2	56.4
Connection	Gas in(mm)		φ76	φ76	φ76
	Liquid out(mm)		φ35	φ35	φ35
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