AirSep Onyx Instruction Manual page 34

8.3.2.3
The capacitor starts the compressor. If the compressor cannot start, the
capacitor may be defective and require replacement.
capacitor, follow the steps listed below:
1. Set the unit's ON/OFF switch to the OFF position, and unplug the
2. Remove both sides and lower front panels.
3. Disconnect the two leads to the capacitor and slide capacitor out of the
4. To install the new capacitor, connect the leads and slide the capacitor
5. Reconnect the front and the side panels.
8.3.3 Solenoid Valves
The oxygen generation unit uses 5 two-way solenoid valves: two feed,
two waste, and one equalization. Each valve has an open (energized)
and closed (de-energized) position. As the unit operates, two valves are
always energized.
The solenoid valves of the unit require no scheduled maintenance. If a
valve becomes noisy, you can easily replace the internal valve parts. To
identify the noisy valve, observe which green circuit board light illuminates
at the time of the noise.
corresponds to the valve location.
8.3.3.1
The two feed valves and two waste valves are located on the unified
valve block. This valve block does not require removal to rebuild a feed
or waste valve.
1. Set the ON/OFF switch to the OFF position, and unplug the power
2. Remove both sides and back panels.
3. Remove the red cap from the appropriate valve with a slotted head
4. Lift off the solenoid coil.
8-8
Capacitor Replacement
power cord.
tie wraps holding it in place.
into the tie wraps.
Feed or Waste Valve Rebuilding
cord.
screwdriver.
Correct direction of spring is required for proper valve
function.
The lighting matrix on the circuit board
Onyx/Onyx+/Onyx Ultra Instruction Manual
®
AirSep Corporation
To replace the