12.0”
[305]
Exhaust
blower
Compressor
***48.0”
[1,219]
Reverse cassette removal
Defrost or
unoccupied
recirc
damper
Electric
pr
e-heat
Supply filters
Enthalpy whee
l
*56.0”
[1,422]
34.0”
[864]
Occupied recir
c or
retur
n
damper
Exhaust filters
Control
box
Cooling/
heating
coil
Supply
blower
Power line input
gas line input
control wiring
Gas
heater
Vent
termination
****36.0”
[914]
Note: All dimensions in [ ] are millimeters.
*56.0”
[1,422]
Standar
d
cassett
e
removal
34.0”
[864]
**46.0”
[1,168]
* Clearance for enthalpy wheel removal.
** Clearance for S-OA intake hood.
*** Clearance for S-EA hood.
**** For indoor units:
“Vent termination and combustion air intake must comply with the National Fuel Gas Code Z2223.1 (NFPA54) in the
U.S., in Canada to the Gas Installation Code Can/CGA B149.
See Accessories for available separated combustion air intake option”
For outdoor units:
“Vent termination must comply with the National Fuel Gas Code Z223.1 (NFPA54) in the U.S., in Canada to the Gas
Installation Code Can/CGA B149.
See Accessories for available factory vent termination options.”
Figure A5: VHC with gas heat and integrated DX cooling
VCES-VHC-IOM-1F – VHC-36, -42 & -50
30