Specification Sheet

94
eMotor - Electronically Commutated Motor
MODEL eRED
DOWNBLAST CENTRIFUGAL ROOF EXHAUSTER WITH ELECTRONICALLY COMMUTATED MOTOR
S&P’s eMotor is 115/230V and 50/60 Hz and is available in 1/4, 1/3 and 1/2
HP. This fully controllable motor offers both reliability and low maintenance
in one of the most efcient motor fan combinations in the industry.
When used in S&P’s eRED downblast fan, the eMotor is the ideal solution
for a low cost, fully controlled ventilation system. This motor in the eRED
can exhaust air volume up to 3,000 CFM, equal to that of a belt drive fan,
with all the benets and low maintenance of a direct drive fan.
Features and Advantages
• Easy speed control by DC 0-10 V variation or EC style speed controller
• Motor has motor mounted potentiometer with digital readout for easy speed adjustment
• Unit can be controlled by a PC or building management system
• Motor has 80% usable turndown vs. 30% on a PSC motor
• Internal motor circuitry converts 115/230 V single phase AC power to DC voltage for increased
efciencies.
• Motor is 115/230 V and 50/60 Hz
• cULus 705 Listing
Energy Savings = $ Savings
$0.00
$500.00
$1,000.00
$1,500.00
$2,000.00
$2,500.00
$3,000.00
$3,500.00
1 2 3 4 5 6 7 8 9 10
Cumulative Cost to Operate
Number of Years Used
ECM
PSC
Cost to Operate Motors @ 650 RPM Continuous Ventilation
eRED with 1/2 HP Motor - Continuous Ventilation
$0.00
$50.00
$100.00
$150.00
$200.00
$250.00
$300.00
$350.00
$400.00
$450.00
$500.00
400 500 600 700 800 900 1000 1100 1200
Cost to Operate for 1 Year
RPM
PSC Motor Electronically Commutated Motor