Manual 2100-635A
Page
13 of 18
FIGURE 8
Speed Tap Label
VENTILATION AIRFLOW
The WERVPA5 and WERVPC5 are equipped with a
3-speed motor to provide the capability of adjusting
the ventilation rates to the requirements of the specific
application by changing motor speeds (see Table 1).
!
WARNING
Open disconnect to shut all power OFF
before changing motor speeds. Failure to
do so could result in injury or death due to
electrical shock.
FIGURE 9
Airflow Diagram
MIS-3750
ROOM AIR
CONDENSER AIR
OUTSIDE AIR
RETURN
CONDITIONED AIR
(SUPPLY AIR)
The units are set from the factory with the exhaust
blower on the low speed and the intake blower on
medium speed. Moving the speed taps located in
the control panel can change the blower speed of the
intake and exhaust (see Figure 8).