Prochem Peak GTX User Manual download pdf (Page 28)

Operations

Water Pumping and Heat Transfer System

Cold water enters the console through the water inlet.

When the water box is full the valve will automatically

shut off.

Water then flows from the water box, through the

strainer, into the solution pump. The water is pumped to

the pressure regulator manifold, which provides and

maintains the desired pressure setting.

The pressure regulator manifold includes a pulse hose

which helps reduce pressure spikes from the pump.

A certain amount of water is by-passed from the

pressure regulator due to over pumping capacity of the

solution pump. Water that is not called for in the

cleaning process is channeled through a copper heater

core in the front of the heat exchanger box. This bypass

water circulates several times through the heater core

pre-warming the water.

The next stage of heating and water flow is to the

helicoil. When water is called for in the cleaning

process it flows to the helicoil under pressure. Heat

from the engine coolant is exchanged to the cleaning

water through a series of spiraled copper tubing. This

allows the engine coolant to travel in a counter rotating

direction to the cleaning water during the exchange

process creating a very efficient transfer of heat out of

the engine and into the cleaning water.

The third stage of plumbing and heat exchange takes

place in the 2nd heater core located in the heat

exchanger box. This is the hottest point of the gases

coming from the vacuum pump and the engine

exhaust. These hot gases are forced through heater

core #2 creating the third stage of heat transfer to the

cleaning water.

Finally, the cleaning water passes to the solution outlet

manifold where cleaning chemicals are injected from

the chemical pulse pump. This manifold serves as a

temperature sensing point and the temperature control

valve allows cooler water to enter the system for

temperature sensitive upholstery applications. A check

valve is located in this outlet manifold prohibiting

chemicals from backing up into the system. Two

connecting points for the high-pressure hoses are

located at the end of the manifold.

The cleaning solution then passes through high

pressure solution hoses and is distributed by the

cleaning tool to a surface that is being cleaned,

completing the water pumping and heating cycle of the

cleaning unit.

Pump damage can occur if it is “thermal shocked.” This

may happen if the pump has run without the water

supply turned on, allowing the pump to become over-

heated, and then turning on the water supply which

sends fresh cool water to the pump without having a

sufficient cool down period. Thermal shock typically

ruins the seals and cracks the ceramic plungers.

86325860 PEAK GTX PROCHEM

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Prochem Peak GTX User Manual Page 28

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