TM 10--3510--221--24
0190 00--2
TEMPERATURE LIMIT SWITCH REPLACEMENT --
Continued
0190 00
INSTALLATION
1. Release locking tabs (9), then slide retainer (10) off of new temperature limit switch (8).
2. Install temperature limit switch (8) and gasket (11) onto mounting bracket (6).
3. Reinstall retainer (10) to secure temperature limit switch (8) to mounting bracket (6).
4. Connect wires to temperature limit switch (8) as tagged.
5. Position mounting bracket (6) on subpanel (7), then secure with four screws (4) and lock washers (5).
ADJUSTMENT
1. Perform system start--up (WP 0010 00).
NOTE
When attempting to access setpoint mode, keys must be pressed within five seconds of
each other, or temperature switch will automatically reset. If this occurs the setpoint
adjustment procedure must be restarted.
2. Press scroll key (WP 0009 00, Figure 4, 9). Lower display (7) reads ”ULoc”. Upper display (6) reads ”0”.
3. Press up key (10) until upper display (6) reads ”10”.
4. Press scroll key (9). Lower display (7) reads ”Ctrl”.
5. Press scroll key (9). Lower display (7) reads ”Prog”.
6. Press scroll key (9). Lower display (7) reads ”Set”.
7. Press down key (11). Lower display (7) reads ”SP”.
8. Press scroll key (9). Lower display (7) reads ”SP”. Upper display (6) reads current setpoint.
9. Press and hold up key (10) or down key (11) until upper display (6) reads 425.
10. Press scroll key (9). Lower display (7) reads ”HiHd”. Upper display (6) is blank.
11. Press up key (10) to exit set--up.
12. Monitor displays. Lower display (7) should read 425. Upper display should read actual thermal fluid
temperature. If displays are not as stated return to step 2.
13. Close door (WP 0196 00, 2) and secure to heater enclosure (3) by tightening four latches (1).
14. Use maintenance menu to test heating system (WP 0010 00).
END OF WORK PACKAGE
