.0%&-4.%56r.%56
Page 6
MOUNTING POSITIONS OF PROBE & PRESSURE SWITCH
DUCTWORK
VERTICAL
PRESSURE
SWITCH
TUBING
PROBE
(air flow arrow
pointing in
direction
of air flow)
AIR
FLOW
DUCTWORK
DUCTWORK
HORIZONTAL
PRESSURE
SWITCH
TUBING
PROBE
(air flow arrow
pointing in
direction
of air flow)
AIR
FLOW
DUCTWORK
MOUNT THE PROBE & PRESSURE SWITCH
PRESSURE
SWITCH
TUBING
PROBE
(air flow arrow
pointing in
direction
of air flow)
AIR
FLOW
DUCTWORK
GASKET
SHEET
METAL
SCREWS
Connect tubing
onto outside of
black fitting.
Drill
3/8” HOLE
in ducting
1/4”
SPADE
TERMINALS
Probe opening
pointing down
AIR
FLOW
LOW
VOLTAGE
WIRES
TUBE CONNECTED
TO GREY (-) INLET
PRESSURE SWITCH
SET UP FOR
EXTERNAL &
IN-LINE BLOWERS
1/4”
SPADE
TERMINALS
Probe opening
pointing down
AIR
FLOW
LOW
VOLTAGE
WIRES
TUBE CONNECTED
TO BLACK (+) INLET
PRESSURE SWITCH
SET UP FOR
INTERNAL BLOWERS
