8
PRODUCT DESIGN
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
AMV90453BX*
AMV90704CX*
-0.45 -0.90 -0.50 -0.95 -0.25 -0.25 -0.25 -0.25
AMV90905DX*
AMV91155DX*
-0.65 -1.20 -0.70 -1.25 -0.25 -0.25 -0.25 -0.25
ACV90704CX* -0.35 -0.35 -0.70 -0.75 -0.52 -0.52 -0.52 -0.52
ACV90904DX* -0.35 -0.70 -0.40 -0.75 -0.52 -0.52 -0.52 -0.52
Note: The typical sea level negative pressure data represents the minimum pressures
expected. Shorter length of flue pipe or single pipe systems compared to dual pipe systems
should show higher (greater negative) pressures.
PRESSURE SWITCH TRIP POINTS AND USAGE CHART
NEGATIVE
PRESSURE
ID BLOWER
WITH FLUE
NOT FIRING
TYPICAL SEA
LEVEL DATA
NEGATIVE
PRESSURE
ID BLOWER
WITH FLUE
FIRING
TYPICAL SEA
LEVEL DATA
NEGATIVE
PRESSURE
COIL COVER
WITH FLUE
NOT FIRING
TYPICAL SEA
LEVEL DATA
NEGATIVE
PRESSURE
COIL COVER
WITH FLUE
FIRING
TYPICAL SEA
LEVEL DATA
MODEL
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
LOW
FIRE
HIGH
FIRE
AMV90453BX*
AMV90704CX*
-0.10 -0.10 20197301 -0.30 -0.75 11177113 PURPLE PINK -0.10 -0.10 -0.22 -0.55
HAPS28
11177115
GREEN YELLOW
AMV90905DX*
AMV91155DX*
-0.10 -0.10 20197301 -0.50 -1.10 11177114 WHITE GRAY -0.10 -0.10 -0.38 -0.82
HAPS29
11177116
ORANGE LT BLUE
ACV90704CX* -0.37 -0.37 20197306 -0.20 -0.55 11177118 GREEN PURPLE -0.37 -0.37 -0.15 -0.30
HAPS31
11177120
YELLOW RED
ACV90905DX* -0.37 -0.37 20197306 -0.20 -0.55 11177118 GREEN PURPLE -0.37 -0.37 -0.15 -0.30
HAPS31
11177120
YELLOW RED
7,001 ft. to 11,000 ft.0 to 7,000 ft.
MODEL
PRESSURE SWITCH TRIP POINTS AND USAGE CHART
TRIP POINT
ID BLOWER
PRESSURE
SWITCH
HIGH
ALTITUDE
KIT
PS1
LABEL
COLOR
PS2
LABEL
COLOR
ID BLOWER
PRESSURE
SWITCH
PART #
PS1
LABEL
COLOR
Note:
All negative pressure readings are in inches of water column (" w.c.).
PS2
LABEL
COLOR
TRIP POINT
COIL COVER
PRESSURE
SWITCH
TRIP POINT
COIL COVER
PRESSURE
SWITCH
TRIP POINT
ID BLOWER
PRESSURE
SWITCH
COIL COVER
PRESSURE
SWITCH
PART #
Note:
Replacement pressure switch number is listed below high altitude kit number.
Note:
All installations above 7,000 ft. require a pressure switch change. For installations in Canada the AMV9 & ACV9 furnaces are certified only to 4500 ft.