40MBFAQ: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
INDOOR UNIT SIZES
Table 1 — Indoor Unit Size
MODEL NUMBER NOMENCLATURE
KBTUH V-PH-HZ MODEL NO.
12 208/230-60 40MBFAQ12XA3
40
MB
F
Q 12
X A 3
40 = FAN COIL UNIT
MB = MODEL
VOLTAGE
3 = 208/230-1-60
F = INDOOR FAN COIL TYPE
VARIATION
A = STANDARD
NOMINAL CAPACITY
12 - 1 TON
SYSTEM TYPE
Q = HEAT PUMP
MAXIMUM NUMBER OF FAN COIL UNITS
THAT CAN BE CONNECTED TO THE OUTDOOR UNIT
B = 1:2
C = 1::3
D = 1:4
E =1:5
A
A = MAJOR SERIES
16
23
10001
Week of Manufacture
Sequential Serial Number
V
V = ALL MODELS
Year of Manufacture
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