AIR COOLER

ZLH/ZLM/ZLL Series Commercial Air Coolers

Quick Specs

Electric Defrost System
4.5mm / 6mm / 9mm Fin Spacing Options
R404A/R507A/R134a Compatible
Φ9.52 & Φ14.5mm Copper Tubes
High-Efficiency Aluminum Fins

Product Features

The ZLH/ZLM/ZLL series air coolers are professionally designed with extensive experience for use with multiple Freon refrigerants including R404A, R507A, R134a, R448A, R449A, R454C, R452A, and R455A. These units feature high-efficiency aluminum fins paired with copper tubes in diameters of Φ9.52 and Φ14.5mm for superior heat exchange performance.

Series Classification:

ZLH 4.5mm Fin Spacing: Suitable for room temperatures ≥ -5°C (High Temperature)
ZLM 6mm Fin Spacing: Suitable for room temperatures ≥ -18°C (Medium Temperature)
ZLL 9mm Fin Spacing: Suitable for room temperatures ≥ -25°C (Low Temperature)

Key Advantages

Optimized Heat Exchange: Copper pipeline is optimized and re-designed for high heat exchange efficiency.
Easy Maintenance: Two sides end plates and drain pans are designed as open type for convenient maintenance.
Durable Construction: Shell metal is made of high-quality steel sheet with high strength, excellent shock resistance, and spray-treated for superior corrosion resistance.
Aesthetic Design: Front shell features an inner concave design with multi-folded construction for high strength and reduced vibration.
High-Quality Fans: Adopting high quality axial fan motors with top efficiency, large airflow and low noise operation.

ZLH Series - 4.5mm Fin Spacing

RT ≥ -5°C | R404A

Model	Capacity		Heat Exchange Area (m²)	Tube Volume (dm³)	Connection		Fan Motor				Electric Defrost
	te=-10°C DT=10K (W)	te=-7°C DT=7K (W)			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)
	ZLH-2.0/10	2000			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)	800	10	1.77	φ12	φ16	1	φ350	1×190	1×2400	1×0.5	1×0.5
ZLH-3.0/15	3000	1500	15	3.04	φ12	φ16	2	φ350	2×190	2×2400	1×0.9	1×0.9
ZLH-5.0/25	5000	3700	25	4.46	φ12	φ16	3	φ350	3×190	3×2400	1×1.2	1×1.2
ZLH-8.0/40	8000	6600	40	5.95	φ16	φ25	2	φ400	2×227	2×3500	2×1.3	1×1.3
ZLH-11.2/55	11200	9000	55	7.93	φ16	φ25	2	φ400	2×227	2×3250	2×1.3	1×1.3
ZLH-16.2/80	16200	9800	80	11.74	φ19	φ32	2	φ500	2×448	2×6000	2×1.3	1×1.3
ZLH-21.3/105	21300	14500	105	14.67	φ19	φ38	2	φ500	2×448	2×6000	2×1.5	1×1.5
ZLH-25.0/125	25000	19000	125	19.10	φ19	φ38	3	φ500	3×448	3×6000	2×1.9	1×1.9
ZLH-32.6/160	32600	26400	160	22.98	φ19	φ38	3	φ500	3×448	3×6000	2×2.4	1×2.4
ZLH-37.6/185	37600	32000	185	26.68	φ25	φ50	4	φ500	4×448	4×6500	2×2.6	1×2.6
ZLH-42.7/210	42700	38000	210	30.37	φ25	φ50	4	φ500	4×448	4×6000	2×2.8	1×2.8
ZLH-52.9/260	52900	44000	260	37.35	φ25	φ50	4	φ550	4×670	4×7200	3×2.6	1×2.6
ZLH-66.0/330	66000	57500	330	46.59	φ25	φ54	4	φ550	4×670	4×6900	4×2.6	1×2.6
ZLH-82.0/410	82000	74000	410	56.70	φ25	φ54	4	φ600	4×820	4×9100	4×2.8	1×2.8
ZLH-94.0/470	92600	86000	470	69.54	φ28	φ67	4	φ630	4×937	4×11000	5×3.0	5×1.0
ZLH-116/580	110000	102000	580	85.57	φ28	φ76	4	φ630	4×937	4×11000	5×3.0	5×1.0

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ZLM Series - 6mm Fin Spacing

RT ≥ -18°C | R404A

Model	Capacity		Heat Exchange Area (m²)	Tube Volume (dm³)	Connection		Fan Motor				Electric Defrost
	te=-28°C DT=10K (W)	te=-25°C DT=7K (W)			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)
	ZLM-1.3/7	1300			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)	700	7	1.77	φ12	φ16	1	φ350	1×190	1×2400	2×0.5	1×0.5
ZLM-2.2/12	2200	1000	12	3.04	φ12	φ16	2	φ350	2×190	2×2400	2×0.9	1×0.9
ZLM-2.8/15	2800	1600	15	3.04	φ12	φ16	2	φ350	2×190	2×2400	2×0.9	1×0.9
ZLM-3.7/22	3700	2800	22	4.46	φ12	φ16	3	φ350	3×190	3×2400	2×1.2	1×1.2
ZLM-5.6/30	5600	4000	30	5.95	φ16	φ25	2	φ400	2×227	2×3500	2×1.5	1×1.5
ZLM-7.5/40	7500	6000	40	7.93	φ16	φ25	2	φ400	2×227	2×3250	2×1.5	1×1.5
ZLM-11.2/60	11200	9000	60	11.74	φ19	φ32	2	φ500	2×448	2×6000	5×1.3	1×1.3
ZLM-14.9/80	14900	9700	80	14.67	φ19	φ38	2	φ500	2×448	2×6000	5×1.5	1×1.5
ZLM-18.7/100	18700	12000	100	19.1	φ19	φ38	3	φ500	3×448	3×6000	5×1.9	1×1.9
ZLM-22.4/120	22400	15000	120	22.98	φ19	φ38	3	φ500	3×448	3×6000	5×2.4	1×2.4
ZLM-26.2/140	26200	19000	140	26.68	φ25	φ50	4	φ500	4×448	4×6500	5×2.6	1×2.6
ZLM-30.0/160	30000	23000	160	30.37	φ25	φ50	4	φ500	4×448	4×6000	5×2.8	1×2.8
ZLM-37.4/200	37400	30000	200	37.35	φ25	φ50	4	φ550	4×670	4×7200	6×2.6	1×2.6
ZLM-46.2/250	46200	38000	250	46.59	φ25	φ54	4	φ550	4×670	4×6900	8×2.6	1×2.6
ZLM-57.3/310	57300	49000	310	56.7	φ25	φ54	4	φ600	4×820	4×9100	8×2.8	1×2.8
ZLM-66.6/360	64000	58000	360	69.54	φ28	φ67	4	φ630	4×937	4×11000	8×3.0	1×3.0
ZLM-81.4/450	78000	72000	450	85.57	φ28	φ76	4	φ630	4×937	4×11000	11×3.0	1×3.0

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ZLL Series - 9mm Fin Spacing

RT ≥ -25°C | R404A

Model	Capacity		Heat Exchange Area (m²)	Tube Volume (dm³)	Connection		Fan Motor				Electric Defrost
	te=-35°C DT=10K (W)	te=-32°C DT=7K (W)			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)
	ZLL-1.2/8	1200			Liquid (mm)	Gas (mm)	Qty (pcs)	Dia. (mm)	Power (W)	Air Flow (m³/h)	Coil (kW)	Drain Pan (kW)	900	8	3.04	φ12	φ16	2	φ350	2×190	2×2400	2×0.9	1×0.9
ZLL-2.1/15	2100	1800	15	4.46	φ12	φ16	3	φ350	3×190	3×2400	2×1.2	1×1.2
ZLL-3.6/20	3600	2600	20	5.95	φ16	φ25	2	φ400	2×240	2×3500	2×1.5	1×1.5
ZLL-4.6/30	4600	4400	30	7.93	φ16	φ25	2	φ400	2×240	2×3250	2×1.5	1×1.5
ZLL-7.1/40	7100	5700	40	11.74	φ19	φ32	2	φ500	2×448	2×6000	5×1.3	1×1.3
ZLL-8.9/55	8900	8000	55	14.67	φ19	φ38	2	φ500	2×448	2×6000	5×1.5	1×1.5
ZLL-11.6/70	11600	9400	70	19.1	φ19	φ38	3	φ500	3×448	3×6000	5×1.9	1×1.9
ZLL-14.3/85	14300	9800	85	22.98	φ19	φ38	3	φ500	3×448	3×6000	5×2.4	1×2.4
ZLL-17.1/100	17100	11000	100	26.68	φ25	φ50	4	φ500	4×448	4×6500	5×2.6	1×2.6
ZLL-19.6/115	19600	13000	115	30.37	φ25	φ50	4	φ500	4×448	4×6000	5×2.8	1×2.8
ZLL-23.1/140	23100	18000	140	37.35	φ25	φ50	4	φ550	4×670	4×7200	6×2.6	1×2.6
ZLL-28.0/170	28000	22000	170	46.59	φ25	φ54	4	φ550	4×670	4×6900	8×2.6	1×2.6
ZLL-34.6/210	34600	29000	210	56.7	φ25	φ54	4	φ600	4×820	4×9100	8×2.8	1×2.8
ZLL-41.2/250	39000	34000	250	69.54	φ28	φ67	4	φ630	4×937	4×11000	8×3.0	1×3.0
ZLL-49.5/300	47000	43000	300	85.57	φ28	φ76	4	φ630	4×937	4×11000	11×3.0	1×3.0

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ZLH/ZLM/ZLL Series Commercial Air Coolers with Electric Defrost for Cold Storage

Commercial air coolers with 4.5/6/9mm fin spacing for cold rooms. Electric defrost, copper tubes, high-efficiency fans for temperatures -5°C to -25°C.