Bus air conditioner, Bus air conditioning, Bus HVAC, Bus A/C

DD Bus AC

CLING DD series is rooftop mounted bus air conditioner for 6 to 14m bus and coach, with cooling capacity from 22000 to 38000 kcal/h, widely used in Asia, America, Middle East and Africa due to its powerful performance.

City Bus
Intercity Bus
Coach
Shuttle Bus

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Technical Data sheet

Model	DD-04	DD-05	DD-06	DD-07
Vehicle Length	8-9m	9-10m	10-12m	12-14m
Cooling Capacity（kcal/h)	24000	28000	32000	38000
Voltage (V)	24	24	24	24
Power consumption (A)	63	65	75/85	103
Evaporator Airflow（m³/h)	4000(4pcs)	5000(6pcs)	6000/8000(6/8pcs)	8000(8pcs)
Condenser Airflow（m³/h)	6000(3pcs)	8000(4pcs)	10000(5pcs)	12000(6pcs)
CompressorDisplacement(CC)	558	558/647	647	744
Refrigerant	R134a	R134a	R134a	R134a
Refrigerant charge (kg)	5.5	6.0	6.3	7.0
Weight (kg)	140	170	180	200
Size（mm) LxWxH	27501840210	33601840210	33601840210	35601840210
Note: 1. Compressor Brand: VALEO BITZER OR BOCK 2. Fan & Blower Option: Brush or Brushless, Local or International Brand 3. Condenser Coil: Micro ChanneL, Copper Tube and Aluminium Fins 4. Regrigerant: R134a

Features

Front Windward Design

Micro-channel heat exchanger, 26% reduction in weight, 5% reduction in fuel consumption, heat exchange efficiency improved 20%, refrigerant charged 50% less, cooling capacity 10% larger.
100% DACROMET Anti-corrosion Coated Coil

800 hours salt spary test, suitable for harsh enviroment.
LFT-D Structure

Ultralight, consistent, recyclable and rigid.
Thermal Insulation Materials

Environmentally friendly, antiseptic, odourless and flame-retardant（A-0）.
Patented CAN Control

Modular design, digital communication;PWM control module, evaporator fan stepless speed regulation; smart condenser fan control, cooling on demand.
Proven Performance

Over 150,000 sets running globally since 2003.

Installation

Preparation

First clean the rooftop surface, then put glue to install the sponge and rubber pad, later put glue with a glue gun around the sponge.
Evaporator and Condensor Installation

Lift the condensor and evaporator to the top of the bus, install and connect the pipes and wiring harness, then fix the condesor and evaporator to the bus rooftop, put glue for sealants where needed.
Cover Installation

Move the cover to the top of condensor and evaporator, check the position and drop the cover, fix screws and check the gap to follow requrements.

Detail photos