The pressure gauge indicates the amount of pressure at the dehydrator outlet. The gauge is calibrated from 0 to 15 psi (103 kPa). The dehydrator is preset so that the outlet pressure should never be greater than 9 psi (62 kPa). All pressure values given here refer to gauge pressure.
The outlet fitting is located at the upper right side of the dehydrator and has a compression nut with a removable protective cap. A 20-foot (6 m) length of 3/8 inch (9 mm) tubing and a compression nut are supplied to make the connection to the transmission line.
Annual routine maintenance of the dehydrator is recommended.
Circuit breaker rating: 6A
Power cord: 9 ft (2.7 m) 3-wire cord with one wire
Dryer unit cycle: 30 sec
Output capacity (standard) 0.58 ft/3/min (16.4 l/min)
Output dew point: below -40%degF (-40°C)
Output pressure range: 3 to 8 psi (21 to 55 kPa)
Ambient intake temperature: 32 to 90°F (0 to 32°C)
Ambient relative humidity 95%
Outlet connector: 3/8 inch (9 mm) tube
Dimensions:
Weight: 40 lbs (18 kg)
Andrew disclaims any liability or responsibility for the results of improper or unsafe installation practices.
2. Remove the protective cap in the compression nut on the outlet fitting and discard the cap. The cap protects the
3. Connect the power cord to the power source and allow the dehydrator to operate until the humidity indicator shows a color of deep blue. This is the proper dry air exhaust condition. Note: This step may require a continuous run time of up to 24 hours.
4. Disconnect the power cord.
5. Remove the compression nut and ferrule from the outlet fitting and slide them onto the end of the tubing supplied as shown in Figure 3. Push the tubing onto the outlet fitting and hand-tighten the compression nut to the fitting. Connect the other end of the tubing to the transmission line connector in the same way.
6. Reconnect the power cord to the power source. The dehydrator will operate automatically. Check the tubing end connections to make sure they do not leak. Note: During operation, some air leakage will occur around the compressor head. This is normal -- do not try to seal this leak because sealing will reduce drying capacity.
To prevent problems associated with condensation, most users of waveguide and coaxial cable fill their transmission lines with a gas. This gas is typically dry air or dry nitrogen that has been pretreated to a condensation temperature (dew point) that is far below the lowest temperature that the lines are expected to reach. The gas pressure is maintained at a value greater than the anticipated variations in atmospheric pressure;