Dewalt DXPW1200-E Instruction Manual - Page 13
Cleaning Units. GPM multiplied by psi. GPM x PSI = CU
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&OHMJTI t /PSNBMXFBSPGNPWJOHQBSUTPSDPNQPOFOUTBGGFDUFECZNPWJOH parts. FRAME (DEFECTS IN MATERIAL AND WORKMANSHIP) One (1) year from date of purchase. ACCESSORIES (DEFECTS IN MATERIAL AND WORKMANSHIP) Includes nozzles, hoses, spray guns, wands Ninety (90) days from date of purchase. (MPTTBSZ Bypass mode: Allows water to re-circulate within pump when the gun trigger is not pulled. Chemical hose: Feeds cleaning agents into the pump to mix with the water. Refer to Chemicals and Cleaning Solvents. Chemical injection system: Mixes cleaners or cleaning solvents with water to improve cleaning effectiveness. CU: Cleaning Units. GPM multiplied by psi. (GPM x PSI = CU) GPM: Gallons Per Minute. The unit of measure for the flow rate of water. PSI: Pounds per Square Inch. The unit of measure for water pressure. Also used for air pressure, hydraulic pressure, etc. kPa (kilopascal): Metric pressure measurement. 1 kilopascal equal 1000 pascals. Quick-connect spray wand: Allows the user to quickly change out high-pressure nozzles. Refer to Spray Wand Nozzles. Thermal relief valve: When the temperature inside the pump rises too high the valve will open and release a gush of water in an effort to lower the temperature inside the pump. The valve will then close. Water supply: All pressure washers must have a source of water. The minimum requirements for a water supply are 20 psi (138 kPa) and 5 gallons per minute. 13