Page 1 - Raritan Hold-N-Treat Electroscan EST System L372v0717

Hold n’ Treat System

Model 21SR
Installation and Maintenance Instructions
THE FOLLOWING ARE CAUTIONARY STATEMENTS THAT MUST BE READ AND FOLLOWED
DURING BOTH INSTALLATION AND OPERATION
WARNING: Raritan Engineering Company, Inc. recommends that a qualified person or electrician install this
product. Equipment damage, injury to personnel or death could result from improper installation.
Raritan Engineering Company, Inc. accepts no responsibility or liability for damage to equipment,
or injury or death to personnel that may result from Improper installation, trouble shooting, repairs
to or operation of this product.

WARNING: HAZARD OF SHOCK AND FIRE - Always use recommended fuse/circuit breaker and wire
size. The components are not ignition protected and must not be installed in a gas engine room or
exposed to the possibility of spark.

The ‘Hold n’ Treat System’ is designed to integrate MODEL NUMBERS:
both a Type I and Type III MSD (Marine Sanita- 21SR1512 Hold n Treat System with electro scan , 12 volt
tion Device) to provide the user with a system that 21SR1524 Hold n Treat System with electro scan , 24 volt
will be legal in all areas. The Hold n' Treat Sys- 21R151201 Hold n Treat System without EST, 12 volt
tem combines Electro Scan (USCG Type I MSD) 21RS152401 Hold n Treat System without electro scan , 24 volt
and a holding tank into one convenient system.
All waste is stored in a 15 gallon holding tank with
Electro Scan mode determining how the waste
is processed. This system eliminates the need for
pump-out stations in most areas.

OVERVIEW
When Hold n’ Treat Electro Scan mode is set to
AUTOMATIC the level of waste in the holding
tank is monitored . Once the waste level is above
low level the Electro Scan Control Unit activates a
macerator pump which moves waste (approximate-
ly 1 gallon) from the holding tank to the Electro
Scan. This cycle is repeated continuously for five
cycles. After the fifth cycle, the system enters a
cool down cycle. It will remain in the cool down
cycle for approximately fifteen minutes. After cool
down, the process will resume until the waste in
the tank drops below low level.
When system mode is set to NO DISCHARGE , Operation in EPA designated "No Discharge
processing is inactive and waste is collected in the Zones" affects the MSD installation on every
holding tank. vessel that enters or stays in those waters. Flow-
When mode is set to MANUAL, waste can be pro- through devices are permitted if adequately
cessed cycle by cycle by pressing Start/stop status secured to prevent discharge of any sewage,
panel. treated or untreated.

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