9
PRODUCT DESIGN
LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE
GMVC950453BX*
GMVC950704CX*
AMVC950453BX*
AMVC950704CX*
-0.45 -0.92 -0.50 -0.97 -0.25 -0.25 -0.25 -0.25
GMVC950905DX*
GMVC951155DX*
AMVC950905DX*
AMVC951155DX*
-0.65 -1.27 -0.70 -1.32 -0.25 -0.25 -0.25 -0.25
GCVC90704CX*
ACVC90704CX*
-0.35 -0.70 -0.40 -0.75 -0.52 -0.52 -0.52 -0.52
GCVC90905DX*
ACVC90905DX*
-0.35 -0.70 -0.40 -0.75 -0.52 -0.52 -0.52 -0.52
GCVC91155DX*
-0.35 -0.70 -0.40 -0.75 -0.52 -0.52 -0.52 -0.52
(2) Data given is least negative pressure required for pressure sw itch to remain closed.
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 BLOW ER
WITH FLUE
NOT FIRING
TYPICAL SEA LEVEL
DATA
(1)
NEGATIVE PRESSURE
ID BLOW ER
WITH FLUE
FIRING
TYPICAL SEA LEVEL
DATA
(2)
NEGATIVE PRESSURE
COIL COVER
WITH FLUE
NOT FIRING
TYPICAL SEA LEVEL
DATA
(1)
NEGATIVE PRESSURE
COIL COVER
WITH FLUE
FIRING
TYPICAL SEA LEVEL
DATA
(2)
MODEL
(1) Data given is least negative pressure required for pressure sw itch to close.
LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE LOW FIRE HIGH FIRE
GMVC950453BX*
GMVC950704CX*
AMVC950453BX*
AMVC950704CX*
-0.10 -0.10 20197308 -0.30 -0.75 11177113 -0.10 -0.10 -0.22 -0.55
HAPS28
11177115
GMVC950905DX*
GMVC951155DX*
AMVC950905DX*
AMVC951155DX*
-0.10 -0.10 20197308 -0.50 -1.10 11177114 -0.10 -0.10 -0.38 -0.82
HAPS29
11177116
GCVC90704CX*
ACVC90704CX*
-0.37 -0.37 20197313 -0.20 -0.55 11177118 -0.37 -0.37 -0.15 -0.30 HAPS31
GCVC90905DX*
ACVC90905DX*
-0.37 -0.37 20197313 -0.20 -0.55 11177118 -0.37 -0.37 -0.15 -0.30 HAPS31
GCVC91155DX* -0.37 -0.37 20197313 -0.20 -0.55 11177118 -0.37 -0.37 -0.15 -0.30 HAPS31
ID BLOWER
PRESSURE
SWITCH
PART #
Note: Replacement pressure switch number is listed below high altitude kit number.
Note: All negative pressure readings are in inches of water column (" w.c.).
0 to 7,000 ft.
MODEL
TRIP POINT
ID BLOW ER
PRESSURE SWITCH
HIGH
ALTITUDE
KIT
7,001 ft. to 11,000 ft.
PRESSURE SWITCH TRIP POINTS AND USAGE CHART
Note: All installations above 7,000 ft. require a pressure switch change. For installations in Canada the *CVC9 & *MVC95 furnaces are certified only to 4500 ft.
TRIP POINT
COIL COVER
PRESSURE SWITCH
TRIP POINT
COIL COVER
PRESSURE SWITCH
TRIP POINT
ID BLOW ER
PRESSURE SWITCH
COIL COVER
PRESSURE
SWITCH
PART #