2500 Series CASSETTE VACUUM TANK OWNER’S MANUAL Portable (2510) or Permanent (2520, 2521) Holding Tank System for use with VacuFlush® Ceramic Toilet 2520 NOTICE: This product is not recommended for use on sailboats. 2510 ! WARNING This manual must be read and understood before service or maintenance is performed. Modification of this product can result in property damage. Dometic Corporation • Sanitation Systems 13128 State Rt. 226, P.O.
TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 For Your Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . 2 System Components . . . . . . . . . . . . . . . . . . . . . . 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 6 Docking Platform Riser. . . . . . . . . . . . . . . . . . . .3 Docking Platform Base . . . . . . . . . . . . . . . . . . . .3 Inserting cassette tank . . . . . . . . . . . . . . . . . . . .
SANITATION SYSTEM LAYOUT SYSTEM GUIDELINES 1. Cassette vacuum tank must be used with VacuFlush toilet. 2. VacuFlush toilet must be connected to pressurized water supply (not shown). 3. Centerline of toilet base must be 11 inches (279 mm) from back wall. 4. 5/8-inch (16mm) ID vent hose must be attached to vent fitting (not included). INSTALLATION DOCKING PLATFORM RISER 1. The riser section of the docking platform is mounted on a level floor using four screws (not supplied).
INSTALLATION (cont’d) A INSERTING CASSETTE TANK Place the cassette tank on the docking platform, then push the cassette tank toward the back of the docking platform until the latch engages (A). CONNECTING SANITATION HOSE B. Maximum length of hose between toilet and cassette is 20 ft. (6 m). A. Maximum difference in height from toilet to cassette is 3 ft. (1 m). A B 1. Route the sanitation hose from the toilet outlet to to the cassette tank inlet (see tips for routing hose on next page). 2.
INSTALLATION (cont’d) HOW TO MAKE SYSTEM INSTALLATION (AND MAINTENANCE) EASIER When connecting flexible hose to plastic fittings, use liquid dish soap on end of fitting and inside hose end to make connection easier. A clockwise twist of the fitting while inserting it into the hose makes connection easier. Do not use any other lubricants, sealants or adhesives when connecting sanitation hoses and fittings. Do not restrict the ability to pull the hose or pipe. YES YES Avoid binding corners and sharp bends.
INSTALLATION (cont’d) ELECTRICAL INSTALLATION Electrical installation must be performed by qualified personnel only! POSITIVE NEGATIVE + The 12V DC connection to the toilet electronics is shown in the photo. Connect by correct polarity: RED + WHITE – The connection wire must be 14-gauge stranded copper wire, and must be protected by a 5-amp fuse (see wiring diagram). RED WARNING: WARNING: Power Power wires wires must must be be connected as shown. Unit will not connected as shown.
WIRING DIAGRAM 1 – “Tank Full” Float Switch 2 – Tank Interlock Switch 3 – Vacuum Switch 4 – Vacuum Pump Motor 7
OPERATION DISPLAY PANEL. GREEN – Ready to flush. LED RED – Cassette full, or cassette removed, or undervoltage. Toilet cannot be flushed. YELLOW – Vacuum pump is running. Do not flush toilet. START-UP CHECKLIST Before first-time use of the 2500 series sanitation system, check the following: • The vacuum cassette tank is inserted correctly. • The fresh water supply tank is full. • The power supply is on. The yellow LED illuminates for about one minute. Then the green LED illuminates.
OPERATION (cont’d) EMPTYING CASSETTE TANK (model 2510) 1. Carry cassette tank to disposal facility. 2. With tank sitting level, open large cap (A), and pour contents into disposal receptacle. 3. If possible, rinse the cassette with fresh water each time it is emptied. A EMPTYING CASSETTE TANK (models 2520, 2521) 1. Turn off water to toilet and electrical power to cassette vacuum tank. 2. Connect dockside discharge pump nozzle to deck-mounted discharge fitting. 3.
TROUBLESHOOTING Problem 1. Vacuum pump will not run. Possible Cause a. No electrical power. b. Loose or broken electrical wiring. c. Improper electrical connections. d. Faulty vacuum switch. e. Faulty motor. f. Shut-down relay prevents pumping. g. Replace motor. h. Cassette tank not fully engaged in docking platform. 2. Vacuum pump will not shut off. a. A vacuum leak exists in system. b. Insufficient vacuum (pump creates less than 10 inches Hg). c.
SPECIFICATIONS CASSETTE VACUUM TANK SPECIFICATIONS Model Empty Weight Max. Weight Waste Capacity 2510 13.3 lbs. (6 Kg) 42.1 lbs. (19.1 Kg) 3.6 gal. (14 L) 2520 2521 14.3 lbs. (9.1 Kg) 43.1 lbs. (19.6 Kg) 3.0 gal. (11.5 L) Power Pump Run Time 12 VDC, 1.5 amp approx. 60-70 sec. Specifications subject to change without notice. DIMENSIONS MODEL 2510 MODEL 2520, 2521* (MSD) * Model 2521 (not shown) uses a 90° elbow discharge fitting.
MANUFACTURER’S ONE-YEAR LIMITED WARRANTY Dometic Corporation warrants, to the original purchaser only, that this product, if used for personal, family or household-like purposes, and if installed according to Dometic’s recommended procedures, is free from defects in material and workmanship for a period of one year from the date of purchase.