Optional Energy Wheel - Greenheck RV-35 Installation, Operation And Maintenance Manual

Optional Energy Wheel

Start-Up
Adjustable
Air Seals
Drive Belt
Drive Belt
the directional arrow and data information shown in the
image.
Adjust the Air Seals
Disconnect the wiring to the wheel module and pull
misalignment.
There is a perimeter seal located around the outside of
the wheel and a diameter seal across the face of the
seals are secure and in good condition.
on the paper. Tighten the screws, repeat the steps on
the other set of seals.
18
Packaged Rooftop Ventilator
Sequence of Operation
Optional Economizer
Retaining
Screws
Bearing
Support
Label
Optional Frost Control
showing
cassette
output a signal when wheel frosting is occurring which
serial # and
date code
2
increase.
Drive Pulley
Alarms Indication
Stop Wheel:
and there is a signal for cooling, the wheel will stop
rotating to allow free cooling.
Idle Wheel:
there is a signal for cooling, the wheel will rotate at
wheel.
Modulate Wheel: When economizer mode is
wheel VFD modulates wheel speed to maintain the
discharge temperature set point.
Preheat: When frosting is occurring, the preheater
is energized to defrost the wheel. Once the pressure
Timed Exhaust: When frosting is occurring, the
shall continue to run, allowing the warm exhaust
operation.
Modulating Wheel:
to the thermostat and pressure sensor. When
modulating wheel frost control is initiated, the VFD
exhaust air condition from reaching saturation, thus,
air temperature is greater than the frost threshold
temperature OR the pressure differential is less
than the set point, the wheel will run at full speed.
is greater than the set point, the wheel will run at
reduced speed until the pressure differential falls
Wheel Rotation Alarm:
activate an alarm.
F –
®