TM 10--3510--221--24
0192 00--3/4 blank
BLOWER OUTLET AIR PRESSURE SWITCH
REPLACEMENT -- Continued
0192 00
INSTALLATION
CAUTION
Air pressure switch should come with switching limit preset. Changing adjustment on
switch, could allow heater operation without adequate air flow, resulting in damage to
heating system components.
1. Check label (12) on new pressure switch (6). Label should be marked 1823--2. If marking is not as stated
obtain correct pressure switch.
2. Apply anti--seizing tape to threads of elbows (9 and 10).
3. Install elbows (9 and 10) into pressure switch (6) and orient as shown.
4. Thread pressure switch (6) onto sub--panel (11).
5. Connect tube (7 and 8) at elbows (9 and 10).
6. Remove screw (4), then remove cover (5) from pressure switch (6).
7. Connect wires to pressure switch (6) as tagged.
8. Install cover (5) onto pressure switch (6), then secure with screw (4).
9. Close door (2) and secure to heater enclosure (3) by tightening four latches (1).
10. Use maintenance menu to test heating system (WP 0010 00).
END OF WORK PACKAGE
