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TWA120D
Trane TWA120D User Manual
28 pages
Manual
Specs
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October 2009
SS-APG0
08-EN
T
ube Siz
e and Component
Selection
f
or T
T
A and T
W
A Split S
yst
ems (6-20 T
ons)
Using Refr
ig
erant 41
0A
Model Numbers:
TT
A073D
TT
A090D
TT
A1
20D
TT
A1
20E
TT
A1
20F
TT
A1
50E
TT
A180E
TT
A
1
8
0F
TT
A
240E
TT
A240F
TW
A073D
TW
A1
20D
TW
A180E
TW
A240E
TW
A090
Application Guide
2
Table of Contents
Table of Contents
6
Overview
7
Background
7
Updated Guidelines
8
Liquid Lines
8
Suction Lines
8
Equipment Placement
9
Line Sizing, Routing, and Component Selection
11
Liquid Lines
11
Line Sizing
11
Routing
11
Insulation
11
Components
11
Gas Line
13
Line Sizing
13
Routing
13
Insulation
14
Components
14
Expansion Valves
15
Controls
16
Hot Gas Bypass
17
Remodel, Retrofit, or Replacement
18
Refrigerant Piping Examples
19
Parts
26
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Trane TWA120D Specifications
General
Model Number
TWA120D
Category
Heat Pump
HSPF
8.2
Voltage
208/230 V
Phase
1
Refrigerant
R-410A
Cooling Capacity
12000 BTU/h
Heating Capacity
12000 BTU/h
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