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920-138-02 (3-04)
920-138-02 (3-04)
OPTIONAL VENTILATION PACKAGES
The following ventilation packages are optional equipment installed at the factory. Consult your dealer or distributor for chassis
option details.
Commercial Room Ventilator
General Description
The CRV has a built in exhaust system, which provides pressure
relief. Allows up to 100% of the total airflow rating of the unit to be
fresh outdoor air. The damper is adjustable and can be controlled
by indoor blower operation or a management device.
Adjustment
Remove side panel to gain access to the damper motor control.
Adjust the thumb wheel on the back of the motor to achieve
desired set point.
Figure 13
Commerical Room Ventilator
Components
Thumbwheel
Fresh Air
Damper
Shaft
Exhaust Air Damper
Damper Motor
Damper, Motor Mount
Damper Linkage Ball
Shaft
CRV Position adjustment
(1 1⁄2 - 5 Ton Chassis)
1) Remove upper left side panel of unit.*
2) The position can be adjusted by turning the thumb-
wheel on the front of the damper motor.
3) Once the thumbwheel has been set you can
observe the opening of the damper with the CRV
energized.
4) Re-install side panel.
*3 1⁄2 - 5 ton chassis adjustment may also be made by
accessing the thumbwheel through the return air opening.
Summary of Contents for OES Series
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