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1 Explosion proof HVAC System Combination of Heating, Ventilation and Air Conditioning (HVAC) technology and Explosive Protection profession is our solution for Explosion proof HVAC System.

2 Technical consideration for HVAC system design: Self contained & packaged unit or central system Outside and inside temperature and humidity Volume of space to be conditioned Equipment and/or people contained in the space to be conditioned Refrigeration type Compressor type Cooling capacity Heating resource Heating method Cooling medium Air flow External static pressure External and internal pressure difference Etcetera

3 Professional consideration for explosive protection: Product group Product category Protection type Application zone Ambient temperature Equipment surface temperature Ingress protection Etcetera As manufacturer of explosion proof products and systems, we use our own IECEx and ATEX certified explosion proof packaged HVAC units and HVAC system related equipment to design, construct and supply explosion proof HVAC system to customers. Our IECEx and ATEX certified packaged HVAC units include: Item Type Description Ex Classification Manufacturer Certification Body 1 EAHU Explosion proof Air Exd IIB T4 Gb, Extb IIIB Handling Unit T130 C 2 ECCU Explosion proof Exd IIB T4 Gb, Extb IIIB Condensing and Cooler Unit T130 C 3 PACU Packaged Air Exd IIB T4 Gb, Extb IIIB Conditioning Unit T130 C 4 SAHU Solid to Air Heating Exd IIB or IIC T4 Gb, Extb Unit 5 LAHU Liquid to Air Heating Unit IIIB or IIIC T107 C Exd IIB or IIC T4 Gb, Extb IIIB or IIIC T107 C

4

5 Our IECEx and ATEX certified HVAC system related equipment include: Item Type Description Ex Classification Manufacturer Certification Body 1 SHRC Semi Hermetic Exd IIB T4 Gb, Extb IIIB Refrigeration Compressor T130 C 2 HMRC Hermetic Refrigeration Exd IIC T4 Gb, Extb IIIC Compressor T130 C 3 SADH Solid to Air Duct Heater Exd IIB or IIC T4 Gb, Extb IIIB or IIIC T107 C 4 LADH Liquid to Air Duct Heater Exd IIB or IIC T4 Gb, Extb IIIB or IIIC T107 C 5 IHDC Immersion Heater Exd IIB or IIC T4 Gb, Extb IIIB or IIIC T107 C 6 EX3M Motor Exd IIB or IIC T4 Gb, Extb IIIB or IIIC T130 C 7 JBDB Junction Box Exd IIB T4 Gb, Extb IIIB 8 JBDC Junction Box Exd IIC T4 Gb, Extb IIIC 9 CBDB Control Box Exd IIB T4 Gb, Extb IIIB 10 CBDC Control Box Exd IIC T4 Gb, Extb IIIC 11 TSDC Temperature Exd IIC T4 Gb, Extb IIIC 12 ASDC Airflow Exd IIC T4 Gb, Extb IIIC 13 VAST Vibration and Amplitude Exd IIC T4 Gb, Extb IIIC 14 RSST Rotational Speed Exd IIC T4 Gb, Extb IIIC 15 LSDC Liquid Level Exd IIC T4 Gb, Extb IIIC 16 HSDC Humidity Exd IIC T4 Gb, Extb IIIC 17 PSDC Pressure Exd IIC T4 Gb, Extb IIIC 18 DPST Differential Pressure Switch/Transmitter Exd IIC T4 Gb, Extb IIIC

6 Item Type Description Ex Classification Manufacturer Certification Body 19 HTDT Heat Detector Exd IIC T4 Gb, Extb IIIC 20 FMDT Flame Exd IIC T4 Gb, Extb Detector IIIC 21 GSDT Gas Detector Exd IIC T4 Gb, Extb IIIC

7 IECEx/ATEX certified HVAC system related equipment from other manufacturers may be used in special cases. Please consult our sales engineer for your explosion proof HVAC system requirement. Please refer to our technical data for particular packaged HVAC unit and/or HVAC system related equipment if necessary. If you have any questions, please feel free to contact us.

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