Air Conditioner for Mini and Midi City Bus or Tourist Bus

Short Description:

SZG series is a kind of roof mounted air conditioner. It is applicable to 6-8.4m city bus and 5-8.9m tourist bus. In order to have the widest range of the application of the bus models, there are two kinds of width of the SZG series, in 1826mm and 1640 respectively.


Product Details

Product Tags

Air Conditioner for Mini and Midi City Bus or Tourist Bus

SZG Series, for 6-8.4m city bus and 5-8.9m tourist bus, AC for mini bus and midi bus

2
SZGK-I-D (Width in 1826mm)
4
SZGZ-I-D (Width in 1640mm)
1
SZGK-IF-D / SZGK-II-D / SZGK-II/F-D / SZGK-III-D (Width in 1826mm)
5
SZGZ-IF-D / SZGZ-II-D / SZGZ-II/F-D (Width in 1640mm)

SZG series is a kind of roof mounted air conditioner. It is applicable to 6-8.4m city bus and 5-8.9m tourist bus. In order to have the widest range of the application of the bus models, there are two kinds of width of the SZG series, in 1826mm and 1640 respectively. For more details please check below or you can contact with us at sales@shsongz.cn for more details.

Technical Specification of Bus A/C SZG Series:

Model (Narrow version):

SZG-IX-D

SZG-X-D

SZGZ-I-D

SZGZ-II-D

Cooling Capacity

Standard

8 kW or 27296 Btu/h

12 kW or 40944 Btu/h

16 kW or 54592 Btu/h

20 kW or 68240 Btu/h

(Evaporator Room 40°C/ 45%RH / Condenser Room 30°C)

Maximum

10 kW or 34120 Btu/h

14 kW or 47768 Btu/h

18 kW or 61416 Btu/h

22 kW or 75064 Btu/h

Recommended Bus Length(Applicable to China's climate )

5.0 ~ 5.5 m

5.0 ~ 6.0 m

6.0 ~ 6.5 m

7.0 ~ 7.5 m

Compressor

Model

TM21

AK27

AK33(TM31 is optional)

AK38

Displacement

210 cc/r

270 cc/r

330 cc/r

380 cc/r

Weight (with Clutch)

8.1 kg

15 kg

17 kg

17 kg

Lubricant Type

PAG100

PAG56

PAG56

PAG56

Expansion Valve

Danfoss

Danfoss

Danfoss

Danfoss

Air Flow Volume(Zero Pressure)

Condenser (Fan Quantity)

4400 m3/h (2)

4400 m3/h (2)

4400 m3/h (2)

6000 m3/h (3)

Evaporator (Blower Quantity)

1800 m3 /h (2)

3600 m3 /h (4)

3600 m3 /h (4)

3600 m3 /h (4)

Roof Unit

Dimension

1300x1090x215(mm)

2080x1640x177(mm)

2382x1640x183(mm)

2382x1640x183(mm)

Weight

45 kg

90 kg

110 kg

110 kg

Power Consumption

45 A (24V)

55 A (24V)

55 A (24V)

65 A (24V)

Refrigerant

Type

R134a

R134a

R134a

R134a

Weigh

1 kg

1.4 kg

2.5 kg

2.7 kg

Model (Wide Version)

SZGK-I-D

SZGK-II-D

SZGK-II/F-D

SZGK-III-D

Cooling Capacity

Standard

16 kW or 54592 Btu/h

20 kW or 68240 Btu/h

22 kW or 75064 Btu/h

24 kW or 81888 Btu/h

(Evaporator Room 40°C/ 45%RH / Condenser Room 30°C)

Maximum

18 kW or 61416 Btu/h

22 kW or 75064 Btu/h

24 kW or 81888 Btu/h

26 kW or 88712 Btu/h

Recommended Bus Length(Applicable to China's climate )

6.0 ~ 6.5 m

7.0 ~ 7.5 m

7.5 ~ 8.4 m

8.5 ~ 8.9 m

Compressor

Model

AK33(TM31 is optional)

AK38

TC-410

TC-490

Displacement

330 cc/r

380 cc/r

410 cc/r

490 cc/r

Weight (with Clutch)

17 kg

17 kg

 33kg

32.5 kg

Lubricant Type

PAG56

PAG56

POE

RL68

Expansion Valve

Danfoss

Danfoss

Danfoss

Danfoss

Air Flow Volume(Zero Pressure)

Condenser (Fan Quantity)

4400 m3/h (2)

6000 m3/h (3)

6000 m3/h (3)

6000 m3/h (3)

Evaporator (Blower Quantity)

3600 m3 /h (4)

3600 m3 /h (4)

3600 m3 /h (4)

3600 m3 /h (4)

Roof Unit

Dimension

2404x1826x204(mm)

2404x1826x204(mm)

2404x1826x204(mm)

2404x1826x204(mm)

Weight

145 kg

145 kg

145 kg

145kg

Power Consumption

55 A (24V)

65 A (24V)

65 A (24V)

 65A (24V)

Refrigerant

Type

R134a

R134a

R134a

R134a

Weigh

2.5 kg

2.7 kg

2.7 kg

2.7kg

Technical Note:

1. The whole system include the roof unit, air return grille, compressor, and the installation accessories, not include compressor bracket, belts, refrigerant.

2. The refrigerant is R134a.

3. Heating function, and alternator are optional.

4. Compressor VALEO or AOKE is optional.

5. The fan & blower as option like brush or brushless.

6. Please contact us at sales@shsongz.cn for more options and details. 

SZG Series R&D Background:

With the improvement of people's living standards, the required comfort level is getting higher and higher, resulting in more and more stringent requirements for air conditioners in the OEM, including the appearance of the air conditioner, cooling capacity, noise, etc. The development of the SZG series is designed to meet the customer requirement to the utmost, based on the protection of environment, energy and materials saving, efficiency improvement, weight reduction, low noise and vibration, safety and reliability, and maintenance friendly. SONGZ new products are constantly being developed to meet market demands.

Detailed Technical Introduction of the SZG Series Bus Air Conditioner

1. High-efficiency condenser technology

The condenser is installed upwind, with a large area facing the wind, and air inlets are designed on both sides of the top cover of the condenser, which further reduces the wind resistance of the condenser and improves heat exchange efficiency.

2. Lightweight design

The design of the condenser without bottom shell windward structure. The overall length of the product does not exceed 2.5 meters. The structure layout is compact.  The above design makes product light in weight, and the volume in small.

3. High-tech materials application

SZGZ (narrow body) products, the bottom shell material is made of LFT+ aluminum alloy material. Compared with other composite materials, it has higher specific stiffness and specific strength, good impact resistance; improved creep resistance, and good dimensional stability. The fatigue resistance is excellent, and the total weight of the product is reduced by about 15%.

3

LFT Bottom Shell for SZG (Narrow Body)

4. Easy for Maintenance

The top cover of SZG wide-body series air conditioner condenser adopts a hinge connection structure. There is no need to remove the whole cover plate when loading the vehicle, which greatly saves installation time. The condensing fan is installed from above, so there is no need to open the cover when removing the condensing fan. When the evaporating motor is being repaired, it is only necessary to open the side covers, which is easy for after sales service.

5. Design for Safety

The side beam of the roof mounted evaporator eliminates the secondary bonding, and the air duct of the evaporator assembly adopts an innovative bottom shell integrated bending structure, which can not only reduce the overall weight of the product, but also effectively prevent the hidden danger of water leakage on rainy days.

6. Wide range of application

The full range of SZG is suitable for buses from 6 to 8.4 meters and tourist bus from 5 to 8.9 meters. At the same time, the total width of the SZGZ (narrow body) air conditioner and the spacing in the air outlet are 180mm, which is 120mm smaller than the wide body, which can be applied to smaller or narrower bus.

The SZG Series Bus AC Functions Upgrade (Optional)

1. Plumbing and heating technology

The water heating pipe can be led out from the core of the evaporator to realize the heating function of the air conditioner and meet the requirements of the ambient temperature in the bus in the cold area.

2. Integrated central control technology

The integration of the control panel and the vehicle instrumentation is convenient for the centralized layout of vehicle control. The remote control function of product control is added to facilitate customer operation management.

3. Applicable to Ultra-low Temperature

It can increase the condensing fan and optimize the system reasonably, which is suitable for the 10-12m bus air conditioner in summer in the cold regions such as Northern Europe.

4. Air purification technology

It includes mainly four functions: electrostatic dust collection, ultraviolet light, strong ion generator, and photocatalyst filtration, which can achieve full-time, uninterrupted anti-virus and sterilization, odor removal and efficient dust removal, effectively blocking the virus transmission path.

6

5. Energy Regulation Technology

According to the temperature in the bus and the environment, the flow of the fan and compressor is adjusted in multiple stages to reduce the frequent start and stop of the compressor, improve the overall comfort of the passengers, and ensure that the system operates more efficiently.


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