JUN-AIR 4000 series [cabinet] - Handbuch (Seite 14)

14
Operation
• If the compressor has been stored at an extremely low
temperature, allow it to heat to room temperature before
switching it on.
• The cut-in and cut-out pressure is preset from the factory
and it is normally not necessary to change this.
However, if it is necessary to change the preset settings,
the instructions of this manual shall be followed carefully.
• All AC compressors are designed for 100% duty but 50%
operation is recommended to prolong the lifetime.
• The compressor is equiped with a thermoprotector with
automatic reset.
• The fans in the cabinet will start when the temperature
exceeds 0°C. It will run continuously even if the
compressor may have switched of until the temperature is
below 0°C again.
• Do not lubricate the oil-less motor with oil, as it will destroy
important components.
Start
Start the compressor by pressing the geen button.
The green lamp for compressor in operation is now alight.
Read the outlet pressure on the pressure gauge.
Adjust the pressure on the regulator.
Read the receiver pressure on the pressure gauge.
The green lamp is alight when the fans are in operation.
Read on the hour counter the elapsed service time.
If the compressor does not start, there might be pressure in
the receiver. The compressor will automatically start when the
pressure drops.
The compressor will automatically stop when the preset cut-out
pressure is reached.
Stop
Turn off the compressor by pushing the green button.
The green light for compressor in operation switches off.
Operating manual
GB