Dirt Devil® Central Vacuum Review


	Dirt Devil® Central Vacuum Performance Specifications -
PERFORMANCE	390 Best suited for homes up to 2,500 square feet.	690 The perfect choice for homes up to 5,000 square feet.	990 Optimum cleaning power for homes between 5,000 to 8,000 square feet.	1390 Twin Motor vacuum power for homes up to 12,000 square feet.	1490 Twin Motor vacuum power for homes up to 18,000 square feet.	MaxAir^® Twin Motor vacuum power for homes up to 22,000 square feet.
PERFORMANCE
Max Air Watts*	422	520	575	848	1,010	903
Sealed Vacuum (H₂0 lift)	106"	125"	141"	106"	128"	208"
CFM Max	115	121	124	221	228	122
Motor	EMI 5.7" 2-stage 120V / 60 Hz.	Ametek 5.7" 2-stage 120V / 60 Hz.	Ametek 5.7" 2-stage 120V / 60 Hz.	(2) Ametek 5.7" 2-stage 240V / 50/60 Hz.	(2) Ametek 5.7" 2-stage 240V / 50 / 60Hz.	(2) Ametek 5.7" 2-stage 240V / 50/60 Hz.
Level of Quietness dB***	73.7 dB_A	64.2 dB_A	62.8 dB_A	67.8 dB_A	66.0	n/a
FEATURES
Filtration	Filtered cyclonic, 7" replaceable pleated cartridge	Filtered cyclonic, 7" replaceable pleated cartridge	Filtered cyclonic, 7" replaceable pleated cartridge	Filtered cyclonic, 10 " replaceable pleated cartridge	Filtered cyclonic, 10" replaceable pleated cartridge	True Cyclonic, requires no bags or filters
Dirt Pan Construction	Durable ABS construction with comfort-grip bottom	Durable ABS construction with comfort-grip bottom	Durable ABS construction with comfort-grip bottom	Durable ABS construction with comfort-grip bottom	Durable ABS construction with comfort-grip bottom	Durable ABS construction with comfort-grip bottom
Dirt Pan Capacity	4 gallons	6 gallons	6 gallons	6 gallons	6 gallons	6 gallons
Low Voltage Controls	24 V PC Board	24 V PC Board	24 V PC Board	24 V PC Board	24V PC Board	24 V PC Board (2 single pole relays)
Overload Heat Protection	Pushbutton resettable circuit protector	Pushbutton resettable circuit protector	Pushbutton resettable circuit protector	Pushbutton resettable circuit protector	Pushbutton resettable circuit protector	2 pushbutton resettable circuit protector
Warranty	Lifetime Limited 3-years on accessories	Lifetime Limited 3-years on accessories	Lifetime Limited 3-years on accessories	Lifetime Limited 3-years on accessories	Lifetime Limited 3-years on accessories	Lifetime Limited 3-years on accessories
Construction	20 gauge steel Powder-coated finish	20 gauge steel Powder-coated finish	20 gauge steel Powder-coated finish	20 gauge steel Powder-coated finish	20-gauge steel powder-coated finish	20 gauge steel Powder coated finish
Dimensions/Weight	13" dia. x 31 3/8" high 23 pounds	13" dia. x 39 5/8" high 32 pounds	13" dia. x 39 5/8" high 32 pounds	13" dia. x 44 " high 34.5 pounds	13" dia. x 44" high 34.5 pounds	12-5/8" x 44" high 51 lbs.
INSTALLATION
Electrical Requirements	• 120V/60Hz, 1 ph, 15 amp circuit • Separate circuit recommended • 6' cord for NEMA type 5-15R receptacle with grounding wire	• 120V/60Hz, 1 ph, 15 amp circuit • Separate circuit recommended • 6' cord for NEMA type 5-15R receptacle with grounding wire	• 120V/60Hz, 1 ph, 15 amp circuit • Separate circuit recommended • 6' cord for NEMA type 5-15R receptacle with grounding wire	• 240V/60Hz, 1 ph, 15 amp circuit • Separate circuit recommended • 6' cord for NEMA type 6-15 receptacle with grounding wire	• 240V / 60 Hz., 1ph, 15 amp circuit • Seperate circuit recommended • 6' power cord for NEMA-6-15 receptacle with grounding wire	• 240V 50/60Hz, 15 or 20 amp circuit • Separate circuit required • 6' cord for NEMA type 6-15 receptacle with grounding wire
Mounting Requirements	Basement, garage, utility room. Mounting bracket mounted on wall stud or masonry wall.	Basement, garage, utility room. Mounting bracket mounted on wall stud or masonry wall.	Basement, garage, utility room. Mounting bracket mounted on wall stud or masonry wall.	Basement, garage, utility room. Mounting bracket mounted on wall stud or masonry wall.	Basement, garage, utility room. Mounting bracket mounted on wall stud or masonary wall	Basement, garage, utility room. Prefer outside wall. Mounting bracket mounted on wall stud or masonry wall. Single exhaust, muffler included. Metal tubing required for exhaust line. Must be exhausted outside.
back to top	* ASTM recognizes air watts as air power and is defined as "above the floor cleaning potential." Maximum amps refer to the potential amount of current if the power unit is running in a stand-alone situation. (no tubing or accessories attached). Average amps refer to the actual amount of current used when the power unit is in typical operation (installed, with accessories attached). * ASTM draft F11.50.07 test method was used to determine dB_A ratings. Sound levels were measured at 6' from the power unit. All power units were exhausted outdoors.