B&D Mfg Purge Cart User Manual

Page 3

*Dimensions are approximate

1.5HP Motor 115V or 2 HP Motor 115V

A = Anti-Freeze Flush Drain B = 1 1/4" Full Port Valves

H = 53” W = 22 1/2”

OPERATING INSTRUCTIONS

When return water flow from the loop piping is established, stop the addition of supply water to the flush system tank

and maintain a constant water level just above street elbow by adding water as necessary. Continue flushing the
loops until air ceases to escape from the flush system.

Check the system for proper flushing by closing the return water ball valve on the purge cart, carefully observing water
level in the tank. The water level should not drop more than 2-4 inches, if it does then all of the air has not been

removed from loop system. Continue opening and closing of the return valve while viewing the water level in the tank.

NOTE:

Water level should be maintained to top of elbow when system is circulating and return valve is opened.

COMPLETED FLUSH OF SYSTEM CHECK

A proper flush of a system has been achieved when all valves in the system are opened and the water does not raise

more than 2-4 inches when the power switch is placed in the off position.

NOTE:

The reason the water level changes is because the pressure from the pump will cause the polyethylene to

expand. The raising and lowering of the water level is in proportion to the amount of system piping and the natural

expansion of polyethylene when exposed to pressure.

To add anti-freeze solution, close valve on return side of flush tank and open the anti-freeze flush valve (make sure

drain hose is attached to a separate container). If you know the amount of anti-freeze to add, you can discharge pure

water from the purge cart and measure the amount in gallons. You can then add anti-freeze solution from the top of the
purge cart. This will allow you to add a specific amount of anti-freeze to reach a desired concentration percentage. When

the required amount of anti-freeze is added, close the anti-freeze flush valve and open return side valve on flush tank.

NOTE:

Make sure the system is circulated for some period of time before measuring the concentration

percentage. If using a non-pressurized flow center, please refer to “How to Flush an Earth Loop” to purge the

air from the interior piping (page 4).

MODEL GT-304SS-1.5

Weight: 192 lb.

MODEL GT-304SS-2

Weight: 196 lb.