TIF VA500A Digital HVAC Analyzer - Manual (Page 22)

Figure 11
Figure 12
5.5.1 Press MODE button -
CAPACITY will be dis
played on LCD (Fig.11).
NOTE: When measuring return air
it is recommended that the FAN
SPEED IS SET ON HIGH and the
probe is placed at the center of the
inlet grill. (no movement is neces-
sary during this measurement)
(See Fig. 14)
5.5.2 Align the probe in front, at
the center of unit’s inlet,
(or ambient room temper-
ature) so that the sensor’s
cover is facing
AWAY FROM THE INLET
grill and press ENTER. The
LCD will display
HUMIDITY %, CAPACITY,
Probe at RETURN AIR and
"WAIT" will be flashing
(Fig.12) The VA500A will
start measuring the unit’s
inlet air parameters while
displaying a flashing
"WAIT". After one minute
of measuring, the unit will
beep and the "WAIT" will
stop flashing, signaling that
the measurement has
ended.
5.5.3 Flashing “ENTER WIDTH”
will be displayed on
LCD. (Fig.13)
Figure 13
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