Dometic 500Plus, 1000 User Manual

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VACUFLUSH®

SANITATION SYSTEM

OWNER’S MANUAL

500Plus Series, 1000 Series, Model 706 Toilets

NOTICE

IMPORTANT

systems

sanitation

according

VacuFlush

procedures

installed

must

without

recommended

Dometic’s

installation

aSeaLand

not

attempt

contacting

dealer

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certified

Product

Corporation

Dometic

! WARNING

This manual must be read and understood before adjustment, maintenance, or service is performed. Modification of this product can result in property damage.

Dometic Corporation • Sanitation Systems

13128 State Rt. 226, P.O. Box 38

Big Prairie, OH 44611-0038 USA

SeaLand Product Hotline 1-800-321-9886

(8:00 a.m. - 5:00 p.m. ET)

TABLE OF CONTENTS

Page

Product Features . . . . . . . . . . . . . . . . . . . . . . 2

Marine Sanitation Regulations . . . . . . . . . . . . 3

Important Information Before Operation . . . . 3

Key System Components . . . . . . . . . . . . . 4 - 5

System Start Up . . . . . . . . . . . . . . . . . . . . . . 5

Proper Cleaning . . . . . . . . . . . . . . . . . . . . . . 5

Winterizing . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 6

Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . 6

VacuFlush Maintenance Kit . . . . . . . . . . . . . . 7

Ordering Parts . . . . . . . . . . . . . . . . . . . . . . . . 7

Toilet Model Identification . . . . . . . . . . . . . . . 7

WARNING – HIGH VOLTAGE SYSTEM.

Turn off electrical power before servicing.

	Page
Pedestal and Pedal Cover Installation . .	. . . . 7
Deodorants and Special Tissue . . . . . . .	. . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . .	. . . 9
Vacuum Tester . . . . . . . . . . . . . . . . . . . .	. . . 9
Service Tip . . . . . . . . . . . . . . . . . . . . . . .	. . . 9
Troubleshooting Guide . . . . . . . . . . . . .	10 - 12
Parts Lists . . . . . . . . . . . . . . . . . . . . . . .	13 - 20
Dimensional Specifications . . . . . . . . . . .	. . 21
Wiring Diagrams . . . . . . . . . . . . . . . . . . .	. . 22
Parts Distributors . . . . . . . . . . . . . . . . . . .	. . 23
Manufacturer’s One-Year Limited Warranty 24

WARNING – PUMP STARTS AUTOMATICALLY.

Turn off electrical power before servicing.

PRODUCT FEATURES

Dometic brings the technology, comfort and efficiency of VacuFlush Sanitation Systems in an easy-to- use and easy-to-maintain package.

•Freshwater Flush

•Eliminates the unpleasant sulfide odors which plague saltwater systems.

•Eliminates the need to draw flush water through the through-hull, seacock and vented loop.

•Significantly extends life of system components by eliminating saltwater and impurities from accumulating in the system over time.

•Efficient Design

•Consumes a little over a pint of water per flush and allows boat owners to use a small waste tank. The VacuFlush system fills a ten-gallon (28.4 liter) tank in the same time that an electric toilet fills a 40-gallon (113.6 liter) tank.

•Uses only 4-6 amps per flush on 12 VDC.

•Delightful Operation

•Simple one-lever flush control. No complex instructions needed.

•Comfortable adult-sized seat.

•Large water surface maintains clean bowl.

•Vitreous china bowl.

•Reliability is Built-In

•USCG Certified Type III Marine Sanitation Device.

•No impellers or macerators – vacuum pump motor can run dry without burning up. No dynamic seals.

•Vacuum tank and vacuum generator design eliminates clogging problems associated with other systems.

•Dispose of Sewage Conveniently and Safely

•Toilet can be used without discharging sewage into sensitive waters.

•Holding tank discharge is at a dockside pump or at sea with optional overboard discharge.

•No portable toilet tanks to haul or dump.

•Backed by the Best in Service and Quality

•The VacuFlush system is from the leader in marine sanitation.

•Worldwide parts availability and technical backup.

Dometic reserves the right to change specifications without notice.

MARINE SANITATION REGULATIONS

All boats with fixed toilets in U.S. waters and in the waters of some other countries are required to be equipped with an operable marine sanitation device (MSD). The VacuFlush system is a holding tank or Type III system as defined by the U.S. Coast Guard.

Type III systems are designed to permit operation of the toilet without the direct discharge of untreated waste after every flush. This means onboard toilet facilities can be used when the boat is near swimmers, beaches or shellfish beds.

Type III systems can be discharged at marina dockside pump-out stations or, if in coastal waters, a minimum of three miles offshore. Overboard discharge capability must remain secured while within the three-mile limit. The overboard discharge pump is activated by a keyed switch located in the toilet compartment. This key should be removed at all times except when discharge pump is operating.

Federal legislation has provided grants to private marinas to install dockside pumps especially in coastal water. It is estimated that over 3,500 pump-out stations, in total, will be added due to this legislation.

Sewage from any source should not be discharged directly into our waters. If you are interested in learning more about this issue, please contact SeaLand at the phone number or address listed on the back page of this manual. Request Clean Water Notebook, Volumes 1 and 2.

IMPORTANT INFORMATION BEFORE OPERATION

1.Fill freshwater tank and add deodorant to holding tank through toilet bowl. (See System Start Up Section)

2.Make sure all guests understand the operation of the VacuFlush system and the instruction label is in plain sight and easy for guests to read.

If this label is not included in this manual, please contact the SeaLand Product Customer Service Department immediately.

3.Remember the vacuum pump starts automatically. Shut off the system before servicing and do not leave the boat with toilet system breaker on.

4.Never use drain openers, alcohol, solvents, etc. in the system.

5.If the system does not function properly, refer to the Troubleshooting Section of this manual and repair as necessary. If problem persists, contact your local SeaLand dealer or see the Parts Distributor section of this manual.

NORMAL 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,
water level is reached. Generally, more	clear bowl. A sharp popping noise is	such as facial tissue or paper towels.
water is required only when flushing	normal when the vacuum seal is bro-	These items can cause plugging of the
solids.	ken and flushing action begins. Be sure	system. Refer to the Deodorants and
	to hold lever down for three (3) sec-	Special Tissue section in this manual
	onds. If flush lever is accidentally re-	for more information.
	leased before waste clears bowl, do not
	attempt to flush toilet again until
	vacuum pump stops running. A small
	amount of water should remain in the
	bowl after flushing.

KEY SYSTEM COMPONENTS

Vacuum Toilet: The VacuFlush toilet operates in a way different from other marine toilets. VacuFlush systems use a small amount of water (a little more than a pint or .5 liter) per flush in addition to a simple vacuum. The toilet is connected to a pressurized freshwater system. Fresh water is the key to an odor-free bathroom compartment. VacuFlush toilets are equipped with an integral vacuum breaker which prevents the possible contamination of the potable water supply.

Vacuum Tank: The vacuum tank stores vacuum energy. System vacuum level is monitored by a vacuum switch located on the vacuum tank. When this switch senses a drop in vacuum in the system, it automatically signals the pump to energize and bring the vacuum to operating level. This process is normally completed in less than one minute. In a properly operating system, the stored vacuum will slowly dissipate between flushes, permitting the vacuum pump to quickly renew the vacuum.

Vacuum Pump: The vacuum pump is an electric, straight-through bellows type. It is manufactured of long-lasting polypropylene and draws only 4 to 6 amps of current at 12 VDC. This unique pump design is both an efficient air and liquid pump that handles solids without a problem. It has two duckbill valves on each side of the pump chamber to prevent backflow of waste and vacuum.

Vacuum Generator: The vacuum generator combines the vacuum tank and vacuum pump in one unit. It greatly reduces installation time and eliminates the hose run between the tank and pump. Its compact size makes it especially well-suited to smaller crafts.

Holding Tanks: Holding tanks from Dometic are made of super-strong, 3/8" (9.5mm) thick polyethylene — 50% thicker than most other holding tanks. Each unit has a solid, one-piece construction with no seams for unmatched durability. Tanks come in several capacities and shapes. Contact Dometic for details. A deodorant additive is required to keep the holding tank odor-free. See Deodorants and Special Tissue section for further information.

TankWatch® Level Indicator: The TankWatch unit utilizes micro-float switches which activate an indicator panel. The inspection cap in the holding tank contains the micro-float switch units. The adjustable probe assemblies are flexible polybutylene tubing and are designed to flex when tank contents move.

In-Line Vent Filter: Our SaniGardTM vent filter has special odor-removing filter materials to help keep your boat smelling clean and pleasant. Heavier-than-air malodors accumulate in the holding tank. The SaniGard vent filter has a special type of activated filter media to remove these odors before they offend. Each cartridge is good for an entire season, and is easily replaced for a fresh start. Replacement cartridges are available from your local marine dealer.

Dockside Discharge Deck Fitting: The holding tank is connected to a deck discharge fitting. This fitting, in turn, can be connected to a dockside pump which may have a rubber, cone-shaped nozzle or a cam lock fitting. Refer to Accessories section for further information on the NozAll™ fitting which makes using a dockside pump easy and convenient.

Discharge Pump: Our T-series SaniPumpTM discharge pump can run dry without harm and draws just 6 amps at 12 VDC. The discharge pump has a flow rate of just over 5.25 gallons per minute (11.4 liters per minute). Emptying an onboard tank usually takes four to six minutes. The T-pump is connected to a through-hull fitting. Check the section on Marine Sanitation Regulations for information on areas where discharge is allowed.

SYSTEM START UP

1.Turn on inlet water supply.

2.Turn on electrical power to system.

3.Flush water into system by depressing flush lever until water starts flowing to the vacuum pump, approximately 15 seconds. The vacuum pump will run for approximately 60 to 90 seconds until system reaches operating vacuum level and then will shut off.

PROPER CLEANING

The SeaLand toilet 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 SeaLand toilets. In certain locations where water is hard, a build-up of lime may dull the toilet bowl finish. Restore the shine with this SeaLand cleaner. If you cannot find it in your area, contact SeaLand for your nearest dealer. If the cleaner is not available, you can also use Bar Keepers Friend® cleanser. It is not necessary to vigorously scrub with either product. Please follow label instructions.

SEAL CLEANING: After an extended time, mineral deposits from hard water can build up under the edge of the rubber bowl seal, resulting in a slow leakdown of water from the bowl. To prevent this mineral build-up, periodically clean under the bowl seal with SeaLand Bowl and Seal Cleaner (Fig. B).

1.	Shut off water supply.
2.	Apply cleaner onto the seal cleaning tool (supplied with new toilet), open
2.		Fig. B
	the flush ball by pressing on flush lever, and scrub under the seal. Make

	sure to push bristles between bottom of seal and top of flush ball
	surface to scrub all parts of seal that come into contact with flush ball.

3.Close ball and wait 2-3 minutes.

4.Open flush ball. Use brush and water to rinse away cleanser and loosened deposits.

WINTERIZING

At the end of each season, the SeaLand toilet should be winterized for

storage, by either draining or using potable water-safe antifreeze in the Fig. C system.

To drain:

1.Thoroughly flush system with fresh water.

2.Empty holding tank.

3.Shut off water supply to toilet(s), and remove inlet waterline (Fig. C).

Do not remove brass cap on bottom of valve.

4.Press flush lever until all water is drained from toilet(s).

To use antifreeze:

1.Drain potable water tank.

2.Add freshwater antifreeze to potable water tank.

3.Flush potable water antifreeze and water mixture through toilet(s) and into the waste holding tank. Each installation is different, so amounts may vary. User discretion is required to assure adequate protection.

4.Empty holding tank.

NOTE: Use nontoxic antifreeze designated for potable water systems. (See vehicle owner’s manual.) CAUTION: Never use automotive-type antifreeze in freshwater systems.

MAINTENANCE

Maintenance intervals and normal parts replacement vary widely depending on numerous factors such as: type of vessel, frequency of system use, quality of flushing water, etc. The chart below is intended strictly as a general guideline. Owner discretion and consideration of actual usage must be the first basis for determining proper maintenance levels.

Maintenance Procedure	Part Number	Approximate Maintenance Level

Follow cleaning procedures (page 5).	—	Monthly
Tighten all clamps, including base clamp ring.*	—	Annually
Check all wire connections.	—	Annually
Check & tighten water valve mounting screws.	—	Annually
Clean filter screen in water valve.	—	Annually
Check pump and in-line valves.	385310076 (2)	2-3 years or as needed
Check toilet seals.	385316140	3-5 years or as needed
Check vacuum breaker.	385316906	3-5 years or as needed
Check water valve.	385314349	3-5 years or as needed
*See Base Assembly - Page 10.

SPARE PARTS

To calculate total spare parts required, determine number and type of toilets and pumps.

On Board Spare Parts Calculation Chart: (Per System)

Type of System

Toilet

S Pump

M Pump

Toilet

Vacuum

Toilet

Vacuum

Low-Profile

Seal

Water

Duckbill

Vacuum

Tank

Ring/

Ball/Shaft

Generator

Vacuum

Toilet Series

Pump Series

& Quantity

Kit

Valve

Valve Kit

Breaker

Vacuum

Clamp

Cartridge

Switch

Generator

Kit

Switch

Kit

Switch Kit

500+

1000

M *

1 each

2 each

1 each

2 each

1 each

2 each

1 each

2 each

1 each

4 each

1 each

4 each

1 each

4 each

1 each

2 each

4 each

2 each

1 each

2 each

4 each

2 each

1 each

2 each

4 each

2 each

1 each

4 each

1 each

4 each

1 each

4 each

1 each

2 each

4 each

2 each

1 each

2 each

4 each

2 each

1 each

2 each

4 each

2 each

Per Vessel: Vacuum Tester – 530002 (1 each) & Owner’s Manual – (1 each)

* M series pump parts information is contained in a separate M-Pump Owner’s Manual.

VACUFLUSH MAINTENANCE KIT

The VacuFlush Maintenance Kit contains replacement parts used in routine maintenance of VacuFlush toilets. A “must” for those who cruise to remote locations. The kit includes vacuum tester, water valve, seal kit, duckbill valves (4) and an owner’s manual in a convenient storage container.

VacuFlush Maintenance Kit

(item number 310228)

ORDERING PARTS

Dometic is ready to assist you in the event service is required. Before calling, please have the following information available. Your cooperation in having this information ready is appreciated and allows us to better meet your needs. Please refer to the Parts Distributor list on Page 23.

1.Toilet Model Number (See following section.)

2.Serial Number

3.Part Number, Description and Quantity (See Parts information.)

TOILET MODEL IDENTIFICATION

DOMETIC CORPORATION

P.O. BOX 38, 13128 STATE RT 226 (800) 321-9886 BIG PRAIRIE, OH 44611 USA

MODEL NO. 000

SERIAL NUMBER

000000

The above label is located on the toilet base and will show the model number and serial number. If label is not available, please refer to the Dimensional Specifications section for toilet model identification.

PEDESTAL AND PEDAL COVER INSTALLATION

1.With the pedestal cover open, place the back half against the side of the base opposite the flush lever. Rotate the pedestal cover counterclockwise around the back of the base, then move the front half into place.

2.Tall base unit only, secure with mounting screw. For short base units, simply snap cover closed.

3.Slide pedal cover onto foot pedal rod.

4.Attach pedal cover side plate and secure with two (2) mounting screws. For short base units, secure front screw, then press foot pedal down completely to secure second screw.

DEODORANTS AND SPECIAL TISSUE

Your VacuFlush sanitation system requires the regular addition of a deodorant product to reduce malodors and to help break down holding tank contents. Several factors should be considered in selecting a deodorant product.

Liquid or Granulated: Liquid products obviously work more quickly by readily going into solution. Granulated powder formulations, on the other hand, have the advantage of requiring less storage space and are less likely to leak if the package is inadvertently damaged.

Formaldehyde versus Non-Formaldehyde: Dometic manufactures both types of deodorants. Generally speaking, formaldehyde formulas control odor very effectively at all temperatures and with all degrees of water hardness. SeaLand Environment-Friendly brand, which is formaldehyde free, is similarly effective.

Environmental Hazards: If you would like further information on the impact of holding tank deodorants, call or write Dometic at the number and address listed on the back page of this manual. Request a copy of Clean Water Notebook, Volume 5, which provides complete information in this regard.

How Much Deodorant and How to Add It: The deodorant is added directly into the toilet bowl, then flushed into the holding tank. Follow bottle or package instructions. Conditions of extremely warm weather, longer waste holding time and larger tank capacities may require more deodorant treatment. Also, to maintain optimum efficiency in odor control, the waste holding tank should be cleaned thoroughly at least once or more each season depending on use.

Why Not Use Household Toilet Paper in Your SeaLand Toilet. Household tissues often contain adhesives which bond together the paper fibers from which the tissue is made. The adhesives prevent the tissue from breaking apart, and their use in “ultra-low flow” systems can cause system clogging. SeaLand tissue is especially designed for use in low water toilet systems. Its rapid dissolving properties minimize the amount of residual paper in the holding tank and allow deodorizers to work more efficiently.

SeaLand versus Other Brands: Dometic constantly strives to provide our system owners with effective products that have minimal environmental impact and good value. Many other deodorant products do not measure up to our standards of performance and value.

	SeaLand® Liquid
	Deodorant -
SeaLand® Liquid	Environment Friendly
Deodorant	32-oz. bottle
Two 8-oz. bottles	Part No.
Part No.	379114032
379224008
	SeaLand®
SeaLand® Granulated	Cleaner
Deodorant	16-oz. bottle
Six 2-oz. pouches	Part No.
	379314016

	SeaLand®
	Rapid-Dissolving
	Toilet Tissue
	Four 400-sheet rolls
Part No.	Part No.
379626002	379441204

+ 16 hidden pages