SECTION 13—CONTROL PANEL
Perfecto
2
™
54
SECTION 13—CONTROL PANEL
Removing Control Panel
DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 13.1 on page 55.
Tools Required:
• Diagonal cutters
• Flathead screwdriver
• ¼-inch ratchet, ¼-inch socket, and ¼-inch extension
• Pliers
• Tie-wraps
1. Unplug unit.
2. Remove cabinet. Refer to Cabinet on page 23.
3. Cut the two tie wraps that secure the control panel to the sieve beds (Detail “A”).
4. Cut the two tie wraps that secure the P.E. valve assembly to the control panel (not
shown).
5. Remove the two mounting screws that secure the control panel to the sound box
(Detail “B”).
6. Remove the ¼-inch I.D. tubing from the top and bottom barbed fittings of the
flowmeter (Detail “B”).
7. Cut tie wrap and remove ¼-inch I.D. tubing from the patient outlet barbed fitting
behind the control panel (Detail “B”).
8. Remove the two mounting screws that secure the P.C. board to the control panel.
NOTE: Before performing STEP 9, code all wires to ensure correct reinstallation.
9. Remove spade connectors from circuit breaker, hour meter and On/Off (
)
switch.
(Jumper wire harness from On/Off switch to circuit breaker does not have to be
removed).
10. Remove the hour meter. Refer to Replacing Hour Meter on page 65.
11. Remove the On/Off switch. Refer to Replacing On/Off Switch on page 63
12. Remove the circuit breaker by twisting the locknut on the outside of the control panel.
13. Discard existing control panel.
14. Install new control panel by reversing STEPS 3-12.
I/O
