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CARAVAN SANITATION SYSTEM
OWNER’S MANUAL
®
VacuFlush 1600 Series Toilets and
Holding Tank Systems for European Caravans (HTS-EC)
1
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TABLE OF CONTENTS Features 2 Spare Parts 8 Model Numbers and Dimensions 3 Service Tip 8 Key System Components 4 - 5 Ordering Parts 8 Important Information Before Operation 5 Toilet Model Identification 9 System Start-Up 5 Special Toilet Tissue and Cleaner 9 Vacuum Toilet Operation 6 Troubleshooting Guide 10 - 12 Holding Tank Operation – Discharge 6 Parts Lists 13 - 19 Cleaning – Holding Tank 6 Wiring 20 Winterizing – Holding Tank 6 Parts Distributors 21 Proper Toilet Cleaning and Maintenance 7
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MODEL NUMBERS AND DIMENSIONS 1600 SERIES TOILETS Size Model Description Weight Length x Width x Height 495 mm x 438 mm x 356 mm 10 Kg 1606 Low-profile vacuum toilet. Below-floor discharge. 19 1/2" x 17 1/4" x 14" 22 Lbs. 10.4 Kg 495 mm x 378 mm x 457 mm 1609 Standard-height vacuum toilet. Below-floor discharge. 19 1/2" x 14 7/8" x 18" 23 Lbs. 495 mm x 378 mm x 457 mm 10.4 Kg 1648 Standard-height vacuum toilet. Above-floor, rear discharge. 19 1/2" x 14 7/8" x 18" 23 Lbs. All models flush with
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KEY SYSTEM COMPONENTS Vacuum Toilet: The VacuFlush toilet operates differently as compared to other toilets. VacuFlush systems use a small amount of water (from as little as 400 ml) per flush in addition to a powerful vacuum. The toilet is connected to a pressurized fresh- Vacuum water system. Because a vacuum generator is located between the vacuum toilet Toilet and the waste holding tank, the result is an odor-free bathroom compartment. VacuFlush toilets are equipped with an integral anti-s
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KEY SYSTEM COMPONENTS (cont'd) SaniGard™ Holding Tank Vent Filter: The vent SaniGard Vent filter stops odors that escape from the holding tank Filter vent. It contains odor-removing filter media to keep your boat smelling clean and pleasant. Each cartridge is good for an entire season and is easily replaced for a fresh start. Tank Full Float "Tank Full" Float Switch: The Tank Full Float Switch is mounted in top of the Switch holding tank or vent pipe, and shuts the vacuum pump or vacuum ge
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VACUUM TOILET OPERATION 1. To add water to the toilet before 2. To flush toilet, press flush lever 3. Do not dispose of sanitary napkins using, raise flush lever until desired sharply down to the floor until contents or other non-dissolving items in toilet, such as facial tissue or paper towels. water level is reached. Generally, more clear bowl. A sharp popping noise is water is required only when flushing normal when the vacuum seal is bro- These items can cause plugging of the solids. ken a
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PROPER TOILET CLEANING AND MAINTENANCE Dometic china toilets should be cleaned regularly for maximum sanitation and operational efficiency. You can clean it just as you would a household toilet. Fig. A Do not use caustic chemicals, such as drain-opening types, as they will damage the seals. ® BOWL CLEANING: For stubborn stains, use SeaLand Bowl and Seal Cleaner (Fig. A). It’s manufactured especially for use with Dometic toilets. In certain locations where water is hard, a build-up of lime may d
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MAINTENANCE SCHEDULE Maintenance intervals and normal parts replacement vary widely depending on numerous factors such as frequency of system use, quality of flushing water, etc. The following chart is intended strictly as a general guide in keeping the sanitation system 100% ready for any conditions of use. Recommended Maintenance Procedure Parts Required Date of Service ROUTINE MAINTENANCE Monthly Toilet flush ball seal cleaning SeaLand Bowl and Seal Cleaner Tighten toilet seat mounting Month
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TOILET MODEL IDENTIFICATION DOMETIC CORPORATION P.O. BOX 38, 13128 STATE RT 226 (800) 321-9886 The model identification label is located on the toilet base, BIG PRAIRIE, OH 44611 USA and will show the model number and serial number. The MODEL NO. 000 label for Model 1606 is located on the base under the pedes- SERIAL NUMBER tal cover. VacuFlush 1609 and 1648 models' identification labels are on the back of the base. If label is not available, 000000 please refer to “Model Numbers and Dimensi
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TROUBLESHOOTING GUIDE ADJUSTING NUT BALL SEAL MODELS 1609, 1648 FLUSH BALL BASE ASSEMBLY CLAMP RING FLUSH PEDAL WATER VALVE ASSEMBLY TOP VALVE CAP FILTER SCREEN SHAFT SPRING CARTRIDGE VALVE BODY PEDAL WATER COVER VALVE SCREWS BALL SEAL MODEL 1606 ADJUSTING NUT BASE ASSEMBLY CAM STRAP WATER VALVE ASSEMBLY TOP VALVE CAP CLAMP RING FILTER SCREEN FLUSH BALL SHAFT SPRING CARTRIDGE VALVE BODY PEDAL COVER WATER VALVE SCREWS REAR VIEW, VACUUM TOILET HOSE CONNECTION VACUUM BREAKER / BOWL CONNECTION Prob
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TROUBLESHOOTING GUIDE Problem Possible Cause Service Instructions 2. Flush ball will not close a. Clamp ring is overtightened, a. Loosen clamp ring. causing too much tension on completely. seal and flush ball. b. Weak or defective flush lever b. Check spring tension by letting return spring. up on flush lever suddenly. If lever does not snap back, replace spring cartridge assembly. a. Dirt lodged in water valve seat. a. Disassemble and clean water 3. Water does not shut off in valve. toilet (t
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TROUBLESHOOTING GUIDE Problem Possible Cause Service Instructions 9. Vacuum pump will not run. a. No electrical power. a. Check input power, circuit breaker. b. “Tank full” float switch is stuck b. Remove switch and clean or replace. c. Loose or broken electrical wiring. c. Tighten or reconnect wires at vacuum pump, vacuum generator, vacuum tank, status panel, “tank full” float switch relay. d. Faulty vacuum switch. d. Replace vacuum switch. e. Faulty motor. e. Replace motor. 10. Vacuum pump wil
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PARTS LIST MODEL 1606 Description Item Part No. 1 385344088 Seat Assembly, White China Bowl Kit, White 2 385310790 3 385310048 Ring & Half Clamp Kit, White ® 385316140 Teflon & Rubber Seal Kit 4 5 385310064 Floor Bolt Mounting Kit 385310108 Pedestal Cover Kit, White 6 7 600341549 Floor Flange Seal 385318864 Funnel Kit (includes item 7) 8 9 385318162 Ball, Shaft & Cartridge Kit 385310117 Pedal Cover Kit, White 10 Water Valve Kit 11 385314349 12 385236096 Spring Cartridge Kit Flush Lever 13 60034
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PARTS LIST MODEL 1648 Description Item Part No. 385344088 Seat Assembly, White 1 China Bowl Kit, White 2 385310790 3 385310025 Ring & Half Clamp Kit, White ® Teflon & Rubber Seal Kit 4 385316140 5 385310941 Base Kit, White (includes items 3-11) Ball, Shaft & Cartridge Kit 6 385310954 7 385318741 Funnel Kit 385310682 Flush Pedal Kit, White (includes item 12) 8 Water Valve Kit 9 385310966 385310683 Spring Cartridge Kit 10 Mounting Kit 11 385310940 12 600340177 Supply Hose Vacuum Breaker Kit 13 38
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PARTS LIST – 35 HTS-EC Item Part No. Description 1 385310930 Discharge Pump, 38 mm Adapter, Deutsch Connectors, 12 VDC 600346604 Nut, 1/4-20, SS 2 3 600346795 Washer, .625" x .281" x .05", SS 4 385310931 Quick-Connect 38 mm MPT Elbow 5 600342781 Slip Nut Seal 6 385310937 Diptube Kit ® 7 600343023 51 mm Uniseal 8 385310938 19 mm Inlet Elbow 9 600343689 19 mm Uniseal 10 313900100 Tank Full Float, MPT Style 11 385310932 35 HTS-EC Tank Kit, Mid Level Probe 12 385310933 13 385310934 Kit, Empty Level
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PARTS LIST – 60 HTS-EC Item Part No. Description 1 385310945 Discharge Pump, 38 mm Adapter, Deutsch Connectors, 12 VDC 2 600346604 Nut, 1/4-20, SS 3 600346795 Washer, .625" x .281" x .05", SS Quick-Connect 38 mm MPT Elbow 4 385310931 5 600342781 Slip Nut Seal 6 385310946 Diptube Kit ® 7 600343023 51 mm Uniseal 8 385310938 19 mm Inlet Elbow 9 600343689 19 mm Uniseal 10 385310947 60 HTS-EC Tank 11 313900100 Tank Full Float, MPT Style 12 385310948 Kit, Empty Level Probe 13 385310949 Kit, Mid Level
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PARTS LIST – 90 HTS-EC Item Part No. Description 1 385310945 Discharge Pump, 38 mm Adapter, Deutsch Connectors, 12 VDC 2 600346604 Nut, 1/4-20, SS 3 600346795 Washer, .625" x .281" x .05", SS 4 385310931 Quick-Connect 38 mm MPT Elbow 5 600342781 Slip Nut Seal 6 385310950 Diptube Kit ® 7 600343023 51 mm Uniseal 8 385310938 19 mm Inlet Elbow 9 600343689 19 mm Uniseal 10 385310951 90 HTS-EC Tank 11 385310952 Kit, Mid Level Probe 12 385310953 Kit, Empty Level Probe 13 313900100 Tank Full Float, MPT
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PARTS LIST – VACUUM GENERATOR Item Part No. Description Item Part No. Description 1 600340237 Pan Phillips Head Screw, #4 x 3/8", SS 16 600342778 O-Ring, 2" ID x 2-1/4" OD 600343027 Flat Washer, .312" OD x .030 Thick, SS 17 600342782 2 ½" Diameter Worm Gear Clamp 2 600342804 Motor/Switch Cover 18 600342798 Mounting Spindle 3 600342332 Hex Washer Head Screw, #10-32 x ½", SS 19 385310542 Vacuum Generator Tank ® 600344087 Flat Washer, #10 x 5/8" OD, SS 20 600342932 1 ½" Uniseal 4 385310151 O-Ring
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PARTS LIST – DISCHARGE PUMP Item Part No. Description Item Part No. Description 1 600340237 #4 x 3/8" Pan Head Screw 13 600347788 Set Screw, ¼-28 x 5/16" 2 385640239 Pump Cover Kit 14 600344470 Eccentric Pump Top Closure ¼-28 x ½" Phillips Head Screw 3 600341502 15 600340017 4 600342332 #10-32 x ½" Hex Head Screw 16 600340008 Motor Mounting Bracket O-Ring Replacement Kit 12 VDC Motor 5 385310151 17 385310245 6 600340664 Bushing 385310246 24 VDC Motor Shoulder Screw, ½" x .687 x 3/8-16 ¼" Extern
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WIRING HOLDING TANK SYSTEM * * DISCHARGE PUMP * ON/OFF SWITCH * * Indicates electrical components supplied by vehicle manufacturer. 20
