2
MODEL/SERIAL NUMBER NOMENCLATURES
Table 1—Unit Sizes
SYSTEM TONS VOLTAGE/PH/HZ OUTDOOR MODEL
9
115/1/60
38MAQB09---1
12 38MAQB12---1
9
208-230/1/60
38MAQB09---3
12 38MAQB12---3
18 38MAQB18---3
24 38MAQB24---3
30 38MAQB30---3
BQ-
MAXIMUM NUMBER OF FAN COIL UNITS THAT
CAN BE CONNECTED TO THE OUTDOOR UNIT
B=1:1
SYSTEM TYPE
Q = HEAT PUMP
NOT USED
OUTDOOR UNIT
38 MA 309
38 = OUTDOOR UNIT
MA = MODEL
VOLTAGE
1 =115-1-60
3 = 208/230-1-60
NOMINAL CAPACITY
09 - 3/4 TON
12 - 1 TON
18 - 1-1/2 TONS
24 - 2 TONS
30 - 2 -1/2 TONS
UNIT TYPE
- = OUTDOOR UNIT
- -
01 16
Week of Manufacture
Year of Manufacture
10001
Sequential Serial Number
V
V = ALL MODELS
Use of the AHRI Certified
TM Mark indicates a
manufacturer’s
participation in the
program For verification
of certification for individual
products, go to
www.ahridirectory.org.