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TMG TMC-29920 - User Manual

TMG TMC-29920
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1
CE Certified
ISO 8846 MARINE (Ignition Protection)
ELECTRIC TOILETS
TMC-29920、TMC-29930
TMC-29921、TMC-29932
PRODUCT FEATURE
Top quality vitreous china bowl.
Solid plastic seat and cover with slow-close feature.
Self-macerating combined, water in, water out pump.
Convenient flush operation.
Flush options - with switch box or flush panel.
Supplied with 25 to 19 or 38mm adaptors for connecting options.
SPECIFICATION
CONSUMPTION FUSE MAX. HEAD INLET HOSE DISCHARGE HOSE
V A A M(FT) mm(in) mm(in)
12 18 30
4(13) 25 (1”) 25 (1”)
24 9 15
DIMENSIONS
MODEL NO.
A B C D E F
mm(in) mm(in) mm(in) mm(in) mm(in) mm(in)
TMC-29920
TMC-29930
(size 99902)
360(14.2) 445(17.5) 352(13.9) 269(10.6) 150(5.9) 10(0.39)
TMC-29921
TMC-29932
(size 99904)
365(14.4) 484(19) 376(14.8) 283(11.1) 150(5.9) 10(0.39)

Table of Contents

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Summary

Product Features

Vitreous China Bowl

Features a top-quality vitreous china bowl for durability and appearance.

Slow-Close Seat and Cover

Includes a solid plastic seat and cover with a slow-close feature for quiet operation.

Self-Macerating Pump

Equipped with a self-macerating pump for combined water in and water out functionality.

Flush Operation Options

Offers convenient flush operation with options for a switch box or flush panel.

Adaptor Options

Supplied with 25 to 19 or 38mm adaptors for flexible connection options.

Specifications and Dimensions

Electrical Specifications

Details electrical consumption (V, A) and fuse ratings (A) for different models.

Performance Specifications

Lists maximum head (M/FT), inlet hose size (mm/in), and discharge hose size (mm/in).

Model Dimensions

Provides detailed measurements (A-F) in mm(in) for specific TMC models.

Installation Guide

General Installation Notes

Covers positioning, mounting, and ensuring a flat surface for toilet installation.

Outlet Port Rotation

Explains how to rotate the outlet port 360° for desired positioning.

Pipe Connections

Instructions on fastening pipe connections with clamps and provided adaptors.

Wiring Diagrams

TMC-99902 S Switch Box Wiring

Diagram showing wiring connections for the TMC-99902S switch box and battery.

TMC-0240401 Flush Panel Wiring

Diagram illustrating wiring for the TMC-0240401 flush panel and battery.

Plumbing Connections and Vented Loops

Inlet and Discharge Hose Connections

Guidelines for connecting inlet/discharge hoses, avoiding bends and restrictions.

Above Waterline Installations

Notes on check valves for priming and creating a loop in the discharge line.

Below Waterline Installations

Requirement for a 1" vented loop fitting to prevent backflow.

Vented Loops and Cautions

Vented Loop Applications

Specifies vented loop sizes for waste outlet, macerator, and water inlet discharges.

Vented Loop Installation

Guidance on installing vented loops above the waterline for below waterline connections.

General Cautions

Important warnings regarding sea-cocks, heat, cleaning agents, and polarity.

Slow-Close Feature

Details on the slow-close feature for seat and cover, activated above 70 degrees.

Troubleshooting Guide

Waste Not Pumped Out (Clogging)

Steps to diagnose and clear clogging issues with the pump and macerator assembly.

Impeller Stuck

Advice on preventing impeller sticking from idleness, including wetting the pump.

Summary

Product Features

Vitreous China Bowl

Features a top-quality vitreous china bowl for durability and appearance.

Slow-Close Seat and Cover

Includes a solid plastic seat and cover with a slow-close feature for quiet operation.

Self-Macerating Pump

Equipped with a self-macerating pump for combined water in and water out functionality.

Flush Operation Options

Offers convenient flush operation with options for a switch box or flush panel.

Adaptor Options

Supplied with 25 to 19 or 38mm adaptors for flexible connection options.

Specifications and Dimensions

Electrical Specifications

Details electrical consumption (V, A) and fuse ratings (A) for different models.

Performance Specifications

Lists maximum head (M/FT), inlet hose size (mm/in), and discharge hose size (mm/in).

Model Dimensions

Provides detailed measurements (A-F) in mm(in) for specific TMC models.

Installation Guide

General Installation Notes

Covers positioning, mounting, and ensuring a flat surface for toilet installation.

Outlet Port Rotation

Explains how to rotate the outlet port 360° for desired positioning.

Pipe Connections

Instructions on fastening pipe connections with clamps and provided adaptors.

Wiring Diagrams

TMC-99902 S Switch Box Wiring

Diagram showing wiring connections for the TMC-99902S switch box and battery.

TMC-0240401 Flush Panel Wiring

Diagram illustrating wiring for the TMC-0240401 flush panel and battery.

Plumbing Connections and Vented Loops

Inlet and Discharge Hose Connections

Guidelines for connecting inlet/discharge hoses, avoiding bends and restrictions.

Above Waterline Installations

Notes on check valves for priming and creating a loop in the discharge line.

Below Waterline Installations

Requirement for a 1" vented loop fitting to prevent backflow.

Vented Loops and Cautions

Vented Loop Applications

Specifies vented loop sizes for waste outlet, macerator, and water inlet discharges.

Vented Loop Installation

Guidance on installing vented loops above the waterline for below waterline connections.

General Cautions

Important warnings regarding sea-cocks, heat, cleaning agents, and polarity.

Slow-Close Feature

Details on the slow-close feature for seat and cover, activated above 70 degrees.

Troubleshooting Guide

Waste Not Pumped Out (Clogging)

Steps to diagnose and clear clogging issues with the pump and macerator assembly.

Impeller Stuck

Advice on preventing impeller sticking from idleness, including wetting the pump.

Overview

  1. Function Description
  2. Important Technical Specifications
  3. Usage Features
  4. Maintenance Features

This document describes the TMC Electric Toilets, models TMC-29920, TMC-29930, TMC-29921, and TMC-29932, which are CE Certified and meet ISO 8846 MARINE (Ignition Protection) standards.

Function Description

The TMC Electric Toilets are designed for marine use, featuring a self-macerating combined pump that handles both water intake and discharge. They offer convenient flush operation with options for a switch box or a flush panel. The toilets are equipped with adaptors (25 to 19mm or 38mm) for flexible connection options. They can be installed either above or below the waterline, with specific plumbing requirements depending on the installation height relative to the waterline.

Important Technical Specifications

The toilets feature a top-quality vitreous china bowl and a solid plastic seat and cover with a slow-close mechanism.

Consumption:

  • 12V models: 18 Amps, requiring a 30 Amp fuse.
  • 24V models: 9 Amps, requiring a 15 Amp fuse.

Max. Head: 4 meters (13 feet).

Hose Connections:

  • Inlet Hose: 25mm (1 inch).
  • Discharge Hose: 25mm (1 inch).

Dimensions (mm/in):

Model No. A (mm/in) B (mm/in) C (mm/in) D (mm/in) E (mm/in) F (mm/in)
TMC-29920, TMC-29930 360 (14.2) 445 (17.5) 352 (13.9) 269 (10.6) 150 (5.9) 10 (0.39)
TMC-29921, TMC-29932 365 (14.4) 484 (19) 376 (14.8) 283 (11.1) 150 (5.9) 10 (0.39)

Wiring:

  • TMC-99902S Switch Box: Connects Red to Red, Black to Black, with a positive (+) and negative (-) connection to the battery.
  • TMC-0240401 Flush Panel: Connects Red to Red, Black to Black, with positive (+) and negative (-) connections to the battery.

Usage Features

Installation Flexibility:

  • Can be installed above or below the waterline.
  • The outlet port can be rotated 360° to achieve the desired position, then fastened with screws.
  • The toilet base should be mounted on a flat surface using M8 screws through three 10mm diameter base holes.

Plumbing Connections:

  • Inlet hose (25mm/1” ID) connections must be airtight and free of sharp bends or restrictions.
  • Discharge hose (25mm/1”) connects to a holding tank or other discharge system, avoiding sharp bends.
  • For above-waterline installations, a check valve (optional) may be needed for rapid pump priming. A loop of about 20 cm (8 inches) in the discharge line above the bowl base helps retain water in the bowl.
  • Do not connect the inlet hose to a pressurized water system.
  • For installations where the toilet can be below the waterline at any vessel attitude, a 1” vented loop fitting must be installed in the inlet pipework, positioned above the waterline at all times to prevent backflow of waste.
  • Waste can be stored in a holding tank and discharged at a pump-out station.

Slow-Close Feature:

  • Designed to prevent slamming or sudden dropping of the seat.
  • The seat and cover can be slow-closed individually.
  • The slow-close feature activates when the seat and cover are bent over 70 degrees.

Maintenance Features

Troubleshooting Clogging:

  1. Disconnect pumping inlet and discharge hoses.
  2. Remove four screws.
  3. Pull out the complete motor, pump, and macerator assembly from the base.
  4. Clean out any clogging materials.
  5. Reassemble the pump unit, following the indicated direction.
  6. Install the non-return valve back in position.
  7. The outlet port can be rotated 360° to the desired position before fastening with screws.

Troubleshooting Stuck Impeller:

  • If the electric pump has been idle for a period, the impeller may get stuck.
  • Rotate the impeller from the outside to prevent damage from high current during startup.
  • Alternatively, put some water in the bowl to wet the pump before initial use.

Cautions:

  • Always close sea-cocks when leaving the boat unattended or when the toilet is not in use to prevent flooding.
  • Do not apply flame or heat to hoses.
  • Do not apply sealing compounds to any hose connection.
  • Avoid using thick liquid toilet cleansers or neat bleach, as they can damage valves, gaskets, and seals.
  • If plumbed to the vessel's portable water supply, install an anti-siphon breaker valve on the toilet inlet pipework to prevent water supply contamination.
  • Do not dismantle the product without authorized technician help. Contact the seller or dealer for questions.
  • Ensure correct motor polarity (Red to positive (+), Black to negative (-)) to avoid motor damage and voiding warranty. Full voltage is required for proper operation.
  • The toilet bowl is made of fragile vitreous china; handle with care and avoid dropping it from a height or with heavy force.

TMG TMC-29920 Specifications

General IconGeneral
BrandTMG
ModelTMC-29920
CategoryToilets
LanguageEnglish