Specifications

JOHNSON CONTROLS
3-26
FORM 102.20-N1 (1109)
Startup
FIG. 3-26 – PRESSURE PROBE DIRECTION
FIG. 3-27 – AIRFLOW SWITCH CONNECTIONS
TOP VIEW OF UNIT
POSITIVE PRESSURE / AIR BLOWN THROUGH HEATER
NEGATIVE PRESSURE / AIR DRAWN THROUGH HEATER
BLOWER
BLOWER
HEATER
HEATER
AIRFLOW
PICK UP TUBE TOWARDS BLOWER
ATTACHED TO “HIGH” PORT OF AIRFLOW SWITCH
PICK UP TUBE TOWARDS BLOWER
ATTACHED TO “LOW” PORT OF AIRFLOW SWITCH
AIRFLOW
C
NO
NC
HIGH PORT
LOW PORT
MOUNTING
BRACKET
LD14268
LD14270