1 WC System. Instrução Técnica Instrucción Técnica Technical Instruction

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1 WC System

2 . WC SYSTEM Technical characteristics: Electro-pneumatic system The toilet mechanism works with pneumatic energy supplied by the chassis's pneumatic system. The water timer is done by a relay, that's why the system can be called electro-pneumatic. Bosch engine, 24V, used for odors exhaustion. The toilet system does not use windows. Therefore, an exhaustion system with full time working motor is installed. Garbage can over the sink- operated by steel spring, activated by the passenger foot. All internal surfaces are washable - All finishing parts are covered with fiber. The seat and sink have a finishing with gel with darker color. Do not recirculates dirty water Non chemical mechanism. It is not necessary to add solvent in the water compartment, the water used is always clean. Illumination The main illumination system is operated by the door's lock, however, through the key signal there is a light serving as reference during the door locking and unlocking. 2

3 .2 FUNCTIONING DESCRIPTION Component Operation illustration Door The toilet door is manual, the lock is always activated by an electric interaction through a micro-sensor inside the door stop. This sensor activates the main light and the second speed of the exhaustion system, only if the engine is working. The exhaustion system remains on for five minutes even after the door is unlocked. Sink By touching the tap, an electro-pneumatic interaction will guarantee 5 seconds of water flow. The water volume per use is of 400 ml. Toilet When the flush sensor is activated, a 3-way valve is activated. The maximum water volume per flush is of L. Sewage compartment - flush valve Remove the used water from the sink and toilet. This valve is controlled by a 3-way valve with spring return. Pneumatic pump Supply water for the tap and toilet. 3

4 .3 TOILET S ELECTRICAL DIAGRAM +30 M2 (Rear) F37 30A B3.3 B3. B3.3 B3.5 B3.6 B3.9 B3.0 B3.7 B3.8 B3. B3.2 B3.4 B (2) Red I O 5 () M M WC ocupado Busy WC Iluminação Iluninacion Lights Torneira Tap Descarga Vaso Discharge Vessel Sabão Soap Cozinha Solicitação Deficiente Extrator Extractor Secador de Mãos Secamanos Hand Drier 4

5 .4 TOILET'S PNEUTIC DIAGRAM Válvula Descarga Bomba d'agua Vaso Bomba Desinfetante Bomba Sabão Bomba d'agua Pia Y2 Y Y3 5 3 Regulador Pressão (4bar) 5

6 INTENANCE. INTENANCE ACCESS Description Functionality Illustration External lid for rear maintenance access, toilet's flush mechanism inspection; rear toilet. Substitution of toilet's guillotine; Inspection or substitution of exhaust fan; Substitution of pneumatic or hydraulic hose. toilet lid. More detailed inspection of the mechanism Internal access Allows access for the substitution of internal light. Access to A/C connectors. Access to electrical connectors. 6

7 .2 TOILET - PREVENTIVE INTENANCE Attention: The toilet's maintenance procedure must be executed every 6 months of vehicle use or after km. Action Illustration Verify the flush valve functioning and sewage tank, substitute the seal o'rings if necessary. Verify the spring from the retraction system Verify the spring from the retraction system verify the exhaust system functioning, first and second speed. 7