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Vol. 1 21--00--1 REV 56, Jan 31/03 WATER AND WASTE SYSTEMS Table of Contents Flight Crew Operating Manual CSP A--013 MASTER CHAPTER 21 -- WATER AND WASTE SYSTEMS Page TABLE OF CONTENTS 21--00 Table of Contents 21--00--1 INTRODUCTION 21--10 Introduction 21--10--1 POTABLE WATER SYSTEM 21--20 Potable Water System 21--20--1 Servicing 21--20--2 System Circuit Breakers 21--20--6 LAVATORY WASTE SYSTEM 21--30 Lavatory Waste System 21--30--1 System Circuit Breakers 21--30--3 LIST OF ILLUSTRATIONS INTRODUCTION Figure 21--10--1 Potable Water and Waste Systems -- General Arrangement 21--10--2 POTABLE WATER SYSTEM Figure 21--20--1 Galley Potable Water System 21--20--3 Figure 21--20--2 Lavatory Water System 21--20--4 Figure 21--20--3 Galley Control Panel 21--20--5 LAVATORY WASTE SYSTEM Figure 21--30--1 Waste Disposal System 21--30--2 REV 56, Jan 31/03 Vol. 1 21--00--2 WATER AND WASTE SYSTEMS Table of Contents Flight Crew Operating Manual MASTER CSP A--013 THIS PAGE INTENTIONALLY LEFT BLANK Vol. 1 21--10--1 REV 56, Jan 31/03 WATER AND WASTE SYSTEMS Introduction Flight Crew Operating Manual CSP A--013 MASTER 1. INTRODUCTION The water and waste systems include potable water, lavatory waste equipment and system controls. Two potable water systems store and supply potable water to the galley and lavatory. The forward water system supplies potable water to the water dispenser and coffee maker in the galley. The aft water system supplies wash water to the lavatory sink. Both water systems are controlled from a single control panel located in the galley. Each water system has a servicing panel located on the right forward and aft external fuselage. Each servicing panel has controls for filling or draining of the related potable water system. The lavatory waste system consists of a waste holding tank containing flushing fluid and a servicing panel. The servicing panel is located on the right aft external fuselage. System controls are provided to drain, rinse, prime and flush the toilet. REV 56, Jan 31/03 Vol. 1 21--10--2 WATER AND WASTE SYSTEMS Introduction Flight Crew Operating Manual MASTER CSP A--013 Potable Water and Waste Systems ---General Arrangement Figure 21---10---1 AFT DRAIN MAST AFT WATER TANK SERVICE PANEL WASHBASIN SUPPLY LINE WASHBASIN FAUCET WASHBASIN DRAIN LINE GALLEY WATER SUPPLY LINE FORWARD DRAIN MAST FORWARD WATER TANK (UNDER FLOOR) FORWARD WATER TANK SERVICE PANEL SERVICE DOOR (REF) GALLEY DRAIN LINE AFT WATER TANK DRAIN LINE AFT WATER TANK (CARGO BAY) TOILET DRAIN/SERVICE PANEL Vol. 1 21--20--1 REV 56, Jan 31/03 WATER AND WASTE SYSTEMS Potable Water System Flight Crew Operating Manual CSP A--013 MASTER 1. POTABLE WATER SYSTEM The potable water system stores, supplies and controls the flow of water to the galley and lavatory. Potable water for the coffee maker, water dispenser and galley wash basin is stored in the forward water tank. Potable water for the lavatory wash basin is stored in the aft water tank. Each tank has a water level/temperature probe and a heater. System power on/off switches, water tank level lights and system circuit breakers are located on the galley control panel in the galley. The forward and aft water systems are independent, but are controlled by a single potable water system electronic control unit (ECU) located in the avionics compartment. The ECU controls the tank heaters, pumps and provides water level indications to the control panel. Potable water is supplied to the galley from a single 5 USG (19 LTR) water tank located under the galley floor. Potable water is supplied to the galley by an ECU controlled pump, which maintains the water supply line pressure to the galley. The ECU controls the galley tank heater to maintain the water temperature between 10 to 20_C (50 -- 68_F). Each tank heater contains a thermal fuse for overheat protection, which removes power to the heater when it exceeds a preset point and turns on the OVHT light on the galley control panel. Potable water is supplied to the galley from a single 8 USG (30 LTR) water tank located under the galley floor. Potable water is supplied to the galley by an ECU controlled pump, which maintains the water supply line pressure to the galley. The ECU controls the galley www.aero.cn 航空翻譯 www.aviation.cn 本文鏈接地址：Bombardier_CRJ_00-Water_and_Waste
