Enclosure; Operating Mode; System Pressure; Starting The Unit - Gardner Denver EDF-KB Operating And Service Manual

8. System Pressure – Set the controls to the de-
sired load pressure. DO NOT EXCEED THE
MAXIMUM OPERATING PRESSURE ON THE
COMPRESSOR NAMEPLATE. See Section 4,
pages 21 and 23, "Programming the Load–Unload
Pressure Setpoints," for procedure.
Operation at excessive discharge air
pressure can cause personal injury or
damage to equipment. Do not adjust
the full discharge air pressure above
the maximum stamped on the unit
nameplate.
8. Operating Mode – Refer to Section 4 for detailed
information on the control system.
9. Enclosure – Check for damaged panels or doors.
Check all screws and latches for tightness. Be
sure doors are closed and latched.
STARTING THE UNIT – Observe the following starting
procedures.

Unit Cold:

1. Close the air service valve (customer furnished)
between the main air system and the check valve
on the package.
2. Start the unit by pushing either the "CONSTANT
RUN" or one of the "AUTO" buttons.
3. Run for approximately five minutes or until the
temperature stabilizes and then open the air ser-
vice valve.
The unit is equipped with a minimum (65 psig, 4.5 Bars)
pressure/check valve; no special procedure to main-
tain the unit reservoir pressure is required.
Unit Hot (No warm–up period is required):
1. Close the air service valve (customer furnished)
between the main air system and the check valve
on the package.
2. Start the unit by pushing either the "CONSTANT
RUN" or one of the "AUTO" buttons.
3. Run for approximately one minute and then open
the air service valve.
The unit is equipped with a minimum (65 psig, 4.5 Bars)
pressure/check valve, no special procedure to main-
tain the unit reservoir pressure is required.
DAILY CHECK – Refer to Section 8, "Maintenance
Schedule," page 43.

STOPPING THE UNIT:

1. Close the air service valve (customer furnished)
between the main air system and the check valve
on the package.
2. Allow the unit to build up to full unloaded pressure
and run unloaded for 1 to 2 minutes.
3. Wait a short period for the reservoir to blow down.
4. Press the "STOP–RESET" button.
Stopping the unit at a pressure below full unloaded may
cause oil carry–over and can damage the air/oil sepa-
rator element. The oil reservoir will automatically blow
down as the motor stops. Open the air service valve.
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