Robertshow SHR Serie Manual Del Usario página 15

AIR FLOW BALANCING
AIRFLOW STATION (GRID) METHOD
B
1 For this flow measuring station, cut
the duct and place the flow
measuring station between each
station. Make sure that the flow
measuring station's air direction
arrow points in the direction of the
airflow. Secure the flow measuring
station with duct tape.
18"
(457 mm)
Measure
here
ADJUSTING AIRFLOWS
ELECTRONIC BALANCING MOTORS
Motors will be factory set at their full potential depending on speed selected.
When unit is installed you will need to balance the motors for proper operation.
Insert screwdriver and turn clockwise to slow down the motor, you will notice the motor changing
speeds while performing this operation. Set to desired cfm.
(CONT'D)
2 Before taking the reading, make sure
that the magnehelic gauge is level
and at 0. Refer to the flow
measuring station's chart to
determine your unit's airflow velocity.
• To avoid airflow
turbulence and incorrect
readings, the airflow
18"
velocity should be
(457 mm)
measured on steel
ducting a minimum of
18" (457 mm) from the
Measure
unit or elbow and before
here
any transition.
[SHR 1505R(D) & 2005R only] -
3 Adjust the "Supply Air Out" damper
until you reach the desired velocity.
Follow the previous steps to adjust
the "Exhaust Air Out" damper, if
needed.
Use slot screwdriver
to adjust speed/airflow
- +
Fan
15