TM 9-4120-407-14
(o) Reset by turning MODE switch to OFF RESET position and then back to VENT. However, do
not change any other switch positions. No LED's are illuminated but in 10 seconds, LED 3
shall illuminate.
( 4 ) Cool mode test.
(a) Place switches S1 thru S6 in the OFF position and AMBIENT control to mid range. Reset by
turning MODE switch to OFF RESET position and then to COOL position. Rotate
TEMPERATURE control to COOL position. After a 2 second delay, LED's 2 and 7 shall
illuminate.
(b) Slowly rotate TEMPERATURE control to the WARM position until LED 2 just turns off. LED 7
shall remain illuminated.
(c) Slowly rotate AMBIENT control toward the WARM position. LED 7 shall turn off. After 2
seconds, LED's 2 and 7 shall illuminate.
(4) Rotate AMBIENT control to WARM position. Rotate TEMPERATURE control to COOL
position. Place S4 in the ON position. The following routine shall occur:
1 LED 2 shall turn off and LED 7 shall remain illuminated.
2 For the next 8 seconds: LED 4 illuminates. LED 7 remains illuminated.
3 For the next 2 seconds: LED's 4 and 7 turn off.
4 For the next 2 seconds: LED 4 shall continue to be off. LED 7 shall illuminate.
Steps 2 thru 4 shall repeat twice. Then LED 4 illuminates and LED 7 remains illuminated.
5
End of routine.
(e) Place S4 in the OFF position. Reset by turning the MODE switch to OFF RESET position and
then back to COOL position. Still maintaining TEMPERATURE control set to COOL position,
wait 10 seconds and then place S5 in the ON position. The following routine shall occur.
1
LED 2 shall turn off and LED 7 shall remain illuminated.
2
For the next 8 seconds: LED 5 illuminates. LED 7 remains illuminated.
3
For the next 2 seconds: LED's 5 and 7 turn off.
4 For the next 2 seconds: LED 5 shall continue to be off. LED 7 shall illuminate.
5 Steps 2 thru 4 shall repeat twice. Then LED 5 illuminates and LED 7 remains illuminated.
End of routine.
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