As a professional electric bus air conditioner manufacturer in China, CLING bus HVAC offers all kinds of bus air conditioner solutions for 6-25m bus, citybus, coach, school bus, shuttle bus, special v

Cling EZDS Series Electric Bus Air Conditioner

Cling EZDS series bus air conditioner is a rooftop DC electric bus air conditioner driven directly by battery for 6 to 12m without DC-AC converter, cooling capacity from14000 to 32000 kcal/h, heat capacity from 12000 to 30000 kcal/h. Working stably from -

City Bus
Intercity Bus
Coach
School Bus

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Technical Data Sheet

Model	EZDD-04	EZDS-04	EZDS-05	EZDS-06	EZDS-07
Cooling Capacity	15000kcal/h; 18kW; 60000BTU/h	24000kcal/h; 28kW; 96000BTU/h	28000kcal/h; 33kW; 112000BTU/h	32000kcal/h; 37kW; 127000BTU/h	38000kcal/h; 44kW; 151000BTU/h
Heating Capacity	14000kcal/h; 16kW; 56000BTU/h	22000kcal/h; 26kW; 88000BTU/h	26000kcal/h; 30kW; 104000BTU/h	30000kcal/h; 35kW; 120000BTU/h	36000kcal/h; 42kW; 143000BTU/h
HV Platform (V)	400-750	400-750	400-750	400-750	400-750
LV Platform (V)	24	24	24	24	24
Evaporator Airflow（m³/h)	4000(4pcs)	4000(4pcs)	6000(6pcs)	6000(6pcs)	8000(8pcs)
Condenser Airflow（m³/h)	6000(3pcs)	8000(4pcs)	8000(4pcs)	10000(5pcs)	10000(5pcs)
Refrigerant	R407C	R407C	R407C	R407C	R407C
Weight (kg)	185	245	275	305	325
Size（mm) LxWxH	27001630240	27502000260	30002000260	32502000260	32502000260
Application (m)	6-7	7.5-9	9-10	10-12	12-13
Note: 1. Compressor Brand: HIGHLY 2. Danfoss electric expansion valve 3. Heat pump + PTC heater 4. DC converter integrated for 24VDC power supply of fans & blowers 5. SPAL fans + EBM blowers 6. Refrigerant: R407C

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SMC+LFT-D MATERIALS FOR COVER & HOUSING, ENVIRONMENTAL FRIENDLY, NO FIBER GLASS MATERIAL

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EZDS ELECTRIC BUS A/C ON YUTONG E BUS

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Our solution contains: electric A/C, electric front box, battery thermal management system, electric convectors.

All functions are operated on one control panel, operation can be so convenient!

CLING EZDS series electric A/C installation manual:
www.clingac.com/d/files/installation-procedures-of-cling-ezds-ac.pdf
Key words: BUS A/C, BUS AC, BUS AIR CONDITIONER, BUS AIR CONDITIONING SYSTEM, ELECTRIC BUS A/C, ELECTRIC BUS AIR CONDITIONER, E BUS A/C

Features

Efficient

With DC Variable-frequency compressor and brushless low voltage DC fan, efficiency improved.
Reliable

All components selected reaching passenger car level, power module, compressor etc all with IP67 Level, Complete pressure, temperature, undervoltage, overvoltage, short circuit, phase loss, overcurrent, multiple insulations protection, EMC meeting european standards with E-Mark.
Advanced

Stable heating under ﹣20°C through low temperature heat pump.
Intelligent

With advanced PI Variable-frequency control, stepless regulation according to the temperature inside and outside, energy saving 15%; Smart CAN control, communication with the bus and start or stop the air conditioner according to bus demand, extending battery lifecycle.
Ultralight

EZDS-06 with length less than 3m, 7.5 kg compressor, total weight less than 300kg, 30% ligther than others.
Quiet

With DC brushless fan and soundproof materials, noise level reduced more than 2dB.

Keywords: electric bus air conditioner, electric bus air conditioning system, bus A/C, bus AC, electric bus A/C

Refrigerant flow chart and working theory

Refrigerant flow chart and working theory

Cooling:

At cooling mode，the liquid refrigerant absorbs heat and vaporizes, becoming LP, LT steam, and goes into compressor, and gets compressed into HT, HP gas, then moves through 4 way valve, then into condenser to lose heat, it becomes mid pressure, LT liquid, then throttled by expansion valve, loses pressure, then goes into evaporator to vaporize. Such loop goes on and on.

Heating:

At heating mode, the compressed HP,HT gas refrigerant goes into bus evaporator to release heat, becoming mid

pressure LT liquid, then throttled by expansion valve, becoming LT,LP liquid and vaporizes in the condenser to change into gas refrigerant, and goes into compressor again. The loop continues.

L/HP: low/high pressure

L/HT: low/high temperature

References