Trane LWHA, Installation Operation & Maintenance

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TRANE ®
Low Height Ahu
Airflow Configuration
H = Horizontal Discharge
Development Sequence, A = First
Unit Models
013
033 053
023 043 063
Minor Design Sequence
E = Double Wall Unit
Installed Motor kW
Electrical rating / Utilization Range : Volt/Phase/Hz.
1 = 200V / 3PH / 50HZ
2 = 380 - 415V / 3PH / 50HZ
3 = 230V / 3PH / 60 Hz
4 = 380V / 3PH / 60 Hz
5 = 220-240 / 1PH / 50HZ
S = SPECIAL
Motor shaft diameter, (for belt driven only)
Motor pulley size
Fan Model
Fan shaft diameter, (for belt driven only,)
1
LWHA Model Nomenclature
Digit 1,2
Digit 3
Digit 4
Digit 5,6,7
Digit 8
Digit 9
Digit 10
Digit 11
Digit 12
Digit 13
Digit 14
L W
H
A
0 1 3
E
A
2
A
A
A
A
L W H A 0 1 3 E A 2 A A A A A 1 A 1 2 0 0 4 X L 2 X 0 0 0 E
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
X = None
For Direct
Drive
Code
Dia
KW
A
11
0.18
B
14
0.37
C
19
0.75
D
24
1.1/1.5
E
28
2.2/3
G=90
N=132
X=None
A=63
H=95
O=140
B=67
I=100
P=150
C=71
J=106
Q=160
D=75
K=112
R=170
E=80
L=118
S=180
F=85
M=125
T=190
Model Belt Driven Direct Driven
LWHA 013
LWHA 023
LWHA 033
LWHA 043
LWHA 053
LWHA 063 A=8/8 Single
B=9/7 Single
B=9/7 Single
C=9/7 Twin
D=10/8 Twin
D=10/8 Twin E=KDD 9/7T 350W 4P-1 3SK
F=KDD 9/9T 550W 4P-1 3SK
G=KD2 9/7T 600W 4P-1 3SF
H=KD2 9/7 750W 4P-1 3SF
I=KD2 9/9 1550W 4P-1 3SF
Code Fan Model Model
B = 25
X = None
None (For DirectDrive Fan)
LWHA 013-063
Fan Motor Size (kW),
LWHA 013
LWHA 023
LWHA 033
LWHA 043
LWHA 053
LWHA 063
Low Static
A=0.18
B=0.37
B=0.37
C=0.75
D=1.1
E=1.5
Std.Static
B=0.37
C=0.75
C=0.75
D=1.1
E=1.5
F=2.2
High Static
C=0.75
D=1.1
D=1.1
E=1.5
F=2.2
G=3
For
Direct
Drive
K=0.35
L=0.55
M=0.6
N=0.75
Q=1.55
For Belt Drive
8-8 Single, 9/7 Single,9/7 Twin
10-8 Twin