SECTION 17—ON/OFF SWITCH
63
Perfecto
2
™
SECTION 17—ON/OFF SWITCH
Replacing On/Off Switch
DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 17.1 on page 63.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 23.
3. Remove control panel. Refer to Removing Control Panel on page 54.
4. Remove and code the four spade connectors from back of existing On/Off switch.
5. Compress retaining grips on back of existing On/Off switch and push switch out
through front of control panel.
NOTE: Ensure proper orientation of the On/Off
(
)
switch and wiring connections before
installation. Refer to FIGURE 17.1, Detail “A” and Detail “B” below.
CAUTION
DO NOT install the On/Off (I/O) switch upside down. Universal Off (O) symbol should
be at bottom and Universal On (I) symbol should be at the top. Possible damage to the
concentrator may result if not properly installed.
6. Reverse STEP 4 to secure new On/Off (
)
switch.
7. Reinstall control panel. Refer to Removing Control Panel on page 54.
8. Reinstall cabinet. Refer to Removing Cabinet on page 23.
FIGURE 17.1
I/O
I/O
On/Off
(
)
Switch
I/O
DETAIL “A”
ON
OFF
DETAIL “B”
Spade Connector
from Brown Wire
attached here
Brown Jumper
Wire (From
Circuit Breaker)
On/Off
(
)
Switch
I/O
Spade Connectors
from White Wires
attached here
Front View
Back View