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Model Type
38AU = Carrier Condensing Unit
®
Puron
R- 410A Refrigerant
Heat Pump
Q = Heat Pump
Refrigerant Options¹
T = Dual Circuit, 3-Stage
U = Dual Circuit, 3-Stage with Low Ambient
Nominal Tonnage
16 = 15 Tons
25 = 20 Tons
Not Used
A = Not Used
Not Used
0 = Not Used
Coil Options (RTPF)
A = Al/Cu
B = Precoat (Al/Cu)
C = E-Coat (Al/Cu)
M = Al/Cu with Louvered Hail Guard
N = Precoat (Al/Cu) with Louvered Hail Guard
P = E-Coat (Al/Cu) with Louvered Hail Guard
POSITION NUMBER
TYPICAL
1
2
3
4
5
6
7
3 8 A U Q T 1
Fig. 3 — Model Number Nomenclature
1
2
3
4
8
1
P
O
I S
I T
O
N
1−2
3−4
5
6−10
Fig. 4 — Serial Number Nomenclature
8
8
9
10 11 12 13 14 15 16 17 18
6 A 0 A 5
-
0 A 0 A 0
Base Unit Controls
0 = Standard Electro-Mechanical Controls
Not Used
- = Not Used
Voltage
1 = 575-3-60
5 = 208/ 230-3-60
6 = 460-3-60
¹ All units meet Department of Energy 2023
IEER requirements.
4
5
6
0
P
1
D
E
I S
G
N
A
T
E
S
W
e
k e
f o
m
a
n
f u
c a
u t
e r
i f (
c s
Year of manufacture ("23" = 2023)
M
a
n
u
a f
t c
r u
n i
g
o l
c
S
e
q
u
e
t n
a i
n l
u
m
Packaging
0 = Standard
1 = LTL
Electrical Options
A = None
C = Non-Fused Disconnect
Service Options
0 = None
1 = Un-powered Convenience Outlet
2 = Powered Convenience Outlet
Not Used
A = Not Used
7
8
9
2
3
4
a
c l
a
e l
n
d
a
) r
a
o i t
n
b
r e
10
5
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