Possible Types Of Assemblies - Carrier 50EN 415 Installation, Operation And Maintenance Instructions

3 - POSSIBLE TYPES OF ASSEMBLIES

Depending on the indoor airfl ow direction
Assembly
Mwxy
Air supply (0 : standard, 1 : optional, 2 : optional)
Air return (0 : standard, 1 : optional, 2 : optional)
Type of assembly
Standard assembly
M0 assemblies: Change of supply and/or return air position

in the indoor circuit.
M000
I
I R
M010
I
R
I
M020
R
I
I
Assemblies with mixing box and free-cooling
MS assemblies: Fresh air intake with damper, interlocked

with return damper (mixing box of 2 dampers).
MS00
N
I
I R
MS10
N
I
R
I
MS20
R
N
I
I
ME assemblies: Axial air extraction fan (mixing box of 3

dampers).
ME00
N
I
E
I R
4
Legend
I = Air supply
R = Air return
N = Fresh air inlet
E = Air extraction
M001 M002
I
R R
M011
M012
I
R
M021 M022
I
R R
MS01 MS02
I
N
R R
MS11 MS12
I
N
R
MS21 MS22
I
R R
N
ME01 ME02
I
N
E
R R
MA assemblies: Axial return and air extraction fan (mixing

box of 3 dampers).
MA00
N
E
I R
MC0 assemblies: Electronic lower EC plug-fan (mixing box

of 3 dampers).
MC00
N
E
I R
MRC0 assemblies: Lower EC plug-fan (mixing box of 3

dampers) + cooling recovery circuit
R
MRC00
N
E
I R
MC1 assemblies: EC plug-fan or centrifugal fan in top box

(mixing box of 3 dampers).
MC10
E
R
N
N
I
MRC1 assemblies: EC plug-fan or centrifugal fan in top box

(mixing box of 3 dampers) + cooling recovery circuit.
N
MRC10
E
R
R
N
N
I
MWC1 assemblies (models 415 to 960): EC plug-fan in top

box (mixing box of 3 dampers) + rotary heat exchanger.
MWC10
R
N
E
I
MA01
I
N
I
E
R
MC01
I
N
I
E
R
MRC01 MRC02
I
N
I
E
R
MC11
E
R
N
I
MRC11
E
R
N
I
MWC11
E R E
N N
I
MA02
N
E
R
MC02
N
E
R
N
E
R