Piper Navajo PA-31 Service Manual page 912

1. HEATER INSTALLATION
2. HEAT - FRESH AIR OUTLET
3. DEFROSTER OUTLET
4. LEVER, COCKPIT AIRFLOW
5. LEVER, CABIN AIRFLOW
6. LEVER, DEFROSTER
7. LEVER, TEMPERATURE CONTROL
8. HEAT - FRESH AIR CONTROL BOX
9. FRESH AIR OUTLET, COCKPIT
10. HEAT - FRESH AIR OUTLET
11. CONTROL, FRESH AIR, RIGHT
12. CONTROL,
FRESH AIR, LEFT
13. FRESH AIR OUTLET, CABIN
14. SCOOP, FRESH AIR
15. VENT OUTLET, CABIN
16. SCOOP, CABIN EXHAUST
PIPER NAVAJO SERVICE MANUAL
1244
&
(ITEMS 15 AND 16 ARE STANDARD EQUIPMENT
ON AIRPLANES WITH SERIAL NOS. 31-250 AND UP.)
Figure 13-1. Heating and Ventilating System
Reissued: 10/12/79
5B6
HEATING AND VENTILATING SYSTEM