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

SDD Bus AC

Compact, Rooftop

SDD is a one-piece rooftop ultralight bus air conditioning widely used in European markets, for 7 to 18m bus and coach, cooling capacity from 22000 to 54000 kcal/h.

City Bus
Intercity Bus
Coach

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Technical Data Sheet

Model	SDD-03	SDD-04	SDD-05	SDD-06	SDD-07
Cooling Capacity（kcal/h)	22000	24000	28000	32000	34000
Max Power Consumption (A)	75	75	80	100	110
Evaporator Airflow（m³/h)	4000(4pcs)	4000(4pcs)	6000(6pcs)	8000(8pcs)	8000(8pcs)
Condenser Airflow（m³/h)	6000(3pcs)	6000(3pcs)	8000(4pcs)	10000(5pcs)	12000(6pcs)
Compressor Displacement (CC)	400	558	558	647	744
Refrigerant	R134a	R134a	R134a	R134a	R134a
Weight (kg)	156	156	206	230	233
Size (mm) LxWxH	25002000220	25002000220	27502000220	30002000220	30002000220
Application (m)	6-7	8-9	10-11	12-13	13-14
Note: 1. Compressor Brand: VALEO,BITZER OR BOCK 2. Fan & Blower Option: Brush or Brushless, Local or International Brand 3. Copper/aluminum condenser and evaporator optional 4. Refrigerant: R134a 5. Cover material: SMC, housing material: LFT-D, environmental friendly 6. Actual data will vary due to different configurations

Features

Compact unit

20% reduction in weight, heat exchange efficiency improved 20%, refrigerants charged 50% less.
V type micro-channel heat exchanger optional

Heat exchange surface increased 20%, Cooling capacity 15% more.
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 20,000 sets running globally since 2003.

KEYWORDS: bus air conditioner, bus air conditioning, bus A/C, bus ac

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.

KEYWORDS: bus air conditioner, bus air conditioning, bus A/C, bus ac