NuAire LabGard NU-813-300, Руководство по эксплуатации и техническому обслуживанию

Страница: 31 / 52

OM0236 Page 31 of 52
February/2019
7.5.3.1 Inflow Calibration
Step 1: Measure the inflow velocity using the recommended procedure found in Table 7.0. If necessary,
adjust to achieve the correct average inflow velocity within the stated range of 80 + 5 LFPM (.41 +
0.25 m/s).
Step 2: If necessary, enter active blower speed adjustment.
• Press and hold key, then press hidden – blower - ↑ keys sequentially.
LED indicator above blower (green) key will blink fast.
Step 3: Press ↑ or ↓ keys to adjust blower speed.
• LED segments will indicate blower speed percentage and active blower speed adjustment
o Right end red LED indicates active blower speed adjust
The red LED will blink as soon as any adjustments are made and will continue to blink as
the motor rpm settles. Once the red LED stops blinking, the motor will run steady state
at the new percentage.
Note: The red LED must be non-blinking to save or exit
o Green LED’s indicate percentage on of scale (0-100%)
o Yellow LED’s indicate minimum (left/maximum (right) blower speed has been achieved
Note: At any time during the process
•
Press hidden key to accept and enter the blower speed calibration point
(If the blower speed calibration point was not successfully entered; a half second audible
alarm will occur. The calibration process must then be repeated for successful entry of
blower speed calibration point.)
• Press key to abort and exit
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