Possible Types Of Assemblies - Carrier 50FF/FC 020-093 Installation, Operation And Maintenance Instructions

3 - POSSIBLE TYPES OF ASSEMBLIES

Depending on the indoor airfl ow direction
Assembly Description
B1
"Standard"
"Standard"
B2 Economizer, 2
dampers
"Standard"
BF
100% fresh air
"Standard"
B3 Economizer, 3
dampers
"Standard"
BX Axial fan in return
section
"Standard"
BP EC plug-fan in
return section
"Standard"
Cooling recovery
BA
circuit with EC
plug-fan in return
section
"Standard"
Return top box
BT
with EC plug-fan
or centrifugal fan
"Standard"
Cooling recovery
circuit with EC
BB
plug-fan in return
top box or
centrifugal fan
"Standard"
BW Heat recovery
wheel module
S:
air supply
4
0
Models
Lower supply
Lower return
All
S R
F
All
S R

All
F
All
E
S R
F
All
E
S R
F
All
E
S R
F
All
E
S R

All

All
All
S R
R:
air return
Indoor air direction
1
Lateral supply
Lower return
S
R
F
S
R

F
E
S
R
F
E
S
R
F
E
S
R
F
E
S
R


F F
E E
S
R
F:
fresh air intake
2
Lower supply Lateral supply
Lateral return Lateral return
R
S
S
F
R
S
S
F
S
S




R E R
F
S
S
R E
R
F
S
S

E:
air exhaust
3
R
F
R
F




E
F
E
F
