Nomenclature
Outdoor Unit
M
5
MS
Brand
M
: McQuay
Refrigerant
5
: R410A
Model Name
MS
: Multi Split Condensing Unit
Inverter System Type
Y
: Y series
Capacity Index
20
: 20,000 Btu/h
25
: 25,000 Btu/h
30
: 30,000 Btu/h
Chassis
B
: B Series
Model Type
" "
: Omitted if cooling only
R
: Heatpump
3
Y
20
B
R
M5MSY-2010