Honeywell TrueFRESH™ Ventilation System 사용자 매뉴얼

TrueFRESH™ Ventilation System   69-2481EF—01

7

Balancing Steps

LED

3-POSITION

SELECTOR SWITCH

SPEED CONTROL

BUTTONS (+ AND -)

M32371

a. Ensure that the speed control selector switch is in either the INTER or CONT position.
b. Press the (+) and (–) buttons simultaneously for 5 seconds until the LED indicator light turns  
  yellow, which indicates that you are in balancing mode.

When in balancing mode, the selector switch becomes the motor selector switch. The switch 
positions become: INTER = Right motor (exhaust air), CONT = Both motors, and OFF = Left 
motor (fresh air).

a. Use a pitot tube or flow station to measure the  
  air flow in the fresh air duct and exhaust air  
 duct.
b. Move the mode selector switch to adjust the  
  air flow in the duct with the higher reading. 
  INTER:  Exhaust air (right) 
  OFF: Fresh air (left)
c. Press the (+) or (–) buttons to adjust the air 
  flow to the desired high speed setting.
d. Move the mode selector switch to the CONT 
  position (to proportionally adjust the speed of 
  both motors at the same time.

FRESH AIR DUCT
(LEFT)

STALE AIR DUCT
(RIGHT)

a. Press the (+) and (–) buttons simultaneously to exit  
  balancing mode .
b. Indicator light turns green.
c. Continuous speed will be 50% of measured CFM.

NOTE:  Perform the balancing steps with the HVAC equipment fan turned ON if the ERV/HRV unit 

is ducted into an HVAC system.