Mart Cyclone 30 Series, Installation, Operation And Maintenance Manual, Page: 40 / 322

1 - 16 Installation, Operations, and Maintenance Manual
The MART Corporation Standard Turntable Power Washer v. 4.0
Basic ARC Function: Rinse water is filtered and its pressure is regulated before
it reaches a solenoid valve. When a rinse cycle begins, the solenoid valve
opens, allowing fresh water to enter the rinse system. As the water enters
through the valve, the chemical injector pump pumps rust inhibitor into the rinse
water. Next, the water is heated as it travels through a heat exchanger mounted
in the wash-solution reservoir. From there the water flows into the fixed rinse
manifold and sprays out through nozzles onto the parts.
Rinse water becomes makeup water, so no solution is discharged outside the
cabinet. This also improves chemical management, because all rinsed chemical
remains in the reservoir.
3.2.7. Heating System
There are three types of heating systems available for the power washer:
·
Gas (natural gas or propane)
·
Electric
·
Steam
First, let's look at general operating principles that apply to all the systems. Following
that we'll take a closer look at principles specific to each system.
Note: The discussions of heating-system operating
principles assume that the 7-day clock would be set to
allow heating to occur.
Basic Heating System Function: A thermocouple measures water
temperature. It is connected to the electronic temperature controller, which turns
the heating device on or off, depending on the
set point . (The temperature
controller is located inside the control panel.)
Specific Systems
Gas Burner: The forced-air gas burner fires into an immersion-tube heat
exchanger. Exhaust gases are removed through the flue pipe.
Electric: Immersion heating elements are threaded into the cabinet wall,
suspending them in the solution. An electrical contactor in the control panel
supplies power to the elements.
Steam: This type of system contains a control valve, a stainless-steel heat
exchanger, and a steam trap. When heat is required, the valve opens, and
pressurized steam flows into the heat exchanger. Steam condense is released
from the heat exchanger through the steam trap.