"AUTO" - Dial @ 85
Blower speeds should drop and discharge air temperature should increase. Depending on temperature in work area, air delivery mode should change from A/C outlets to heater outlets.
SYSTEM OPERATION CHART
| SYSTEM RESPONSE | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| BLOWER SPEED | AIR INLET DOOR POSITION | TEMPERATURE DOOR POSITION | MODE DOORS POSITION | DEFROSTER DOOR POSITION | COMPRESSOR | HTR-WATER SHUT-OFF VALVE | IS BLOWER DELAYED FOR ENGINE WATER WARM-UP? | ||
| CONTROL LEVER SETTINGS | OFF | FIXED LOW 5.0V - HTR 4.5V - A/C | OUTSIDE AIR | VARIES - RESPONSIVE TO SENSORS | FORCED TO HEATER | SEALED | DOESN'T OPERATE | USUALLY OPEN - EXC. CLOSED AT MAX. A/C POSITION OF PROGRAMMER | NO - BLOWER IS TURNED ON BY O'RIDE SW. |
| ECON. | VARIABLE BLOWER PROGRAM | EITHER HEATER, BI-LEVEL OR A/C DEPENDS PROGRAMMER POSITION | DOOR WILL ASSUME "BLEED" POSITION AFTER 45 SECOND DELAY AND WILL DELIVER BLEED AIR TO W/S IF IN HEATER OR BI-LEVEL MODE | YES - SAME CONDITIONS AS IN "AUTO" | |||||
| LO | FIXED LOW 5.0V - HTR 4.5V - A/C | OPERATES ABOVE APPROX. 37° (3°C) | NO - BLOWER IS TURNED ON BY O'RIDE SW. | ||||||
| AUTO | VARIABLE BLOWER PROGRAM | RECIRCULATE AIR WHEN PROGRAMMER IS AT MAX. A/C - OTHERWISE OUTSIDE AIR | YES - EXCEPT WHEN CAR INTERIOR IS WARM, IN WHICH CASE IN-CAR SWITCH ON CONTROL HEAD TURNS BLOWER ON IMMEDIATELY. EVEN IF ENGINE IS COLD. | ||||||
| HI | FIXED HI 13.5V | ||||||||
| BI LEVEL | VARIABLE BLOWER PROGRAM | BI-LEVEL | OPEN | ||||||
| DEF | FIXED HI 13.5V | FORCED TO HEATER | FULL OPEN TO W/S | NO - BLOWER IS TURNED ON BY O'RIDE SW. | |||||