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Lennox
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VPA048H4
Lennox VPA048H4 User Manual
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3
35-3/8 (899)
52-1/4
(1327)
TOP
VIEW
FRONT VIEW
14-1/4
(362)
15-3/4
(400)
13-3/4
(349)
12-5/8
(321)
3/4
(19)
23-5/8 (600)
6
(152)
CC
CENTER
OF
GRAVITY
DD
BB
AA
EE
FF
Dimensions - Inches (mm)
CORNER WEIGHTS
CENTER OF GRA
VITY
Model No.
AA
BB
CC
DD
EE
FF
lbs.
kg
lbs.
kg
lbs.
kg
lbs.
kg
in.
mm
in.
mm
All Models
40
18
63
29
72
33
45
21
21-5/8
549
7-3/8
187
2
4
Table of Contents
General
1
Shipping and Packing List
1
Safety Requirements
2
Model Number Identification
2
System Piping
2
Dimensions - Inches (MM)
3
Center of Gravity
3
Top View
3
Front View
3
Installation Clearances - Inches (MM)
4
Single Unit Installation
4
Parallel Units Side by Side
4
Parallel Units Back to Back, Facing and Front to Back
4
Unit Placement
5
Installation
5
Slab or Roof Mounting
5
Lifting the Unit
5
Securing Outdoor Unit to Slab or Frame
6
Securing Outdoor Unit to Wall-Mounted Brackets
6
Condensate Drains
6
Cold Climate Considerations
7
Snow and Ice Protection
7
Air Flow Obstructed by Snow
7
Prevailing Winds Protection
8
Unit on Brackets above Snow Line
8
Unit with Wind Barrier
8
Unit Inside of Mechanical Enclosure
8
Buried Refrigerant Pipe Protection
9
Unit Installed in Alcove
9
Installing the Unit Inside of Building
10
Inside Installation Clearances
10
Louvered Discharge Opening Considerations
11
Ducted Discharge Considerations
12
Unit Front Dimensions
12
Refrigerant Piping Connections
13
Refrigerant Piping / Wiring Inlets
13
Straight Pipe in and out
14
Making Connections
15
Tighten Flare Nut
15
Flare Nut Torque Recommendations
15
Insulate Flared Connections
15
Length and Maximum Height Difference
16
Refrigerant Pipe Selection
20
Triple Evacuation Procedure
21
Pressure Test
21
Evacuate System
21
Additional Refrigerant Charge
22
Liquid Line Length Calculation
22
Branch Pipe Kit Calculation
22
Wiring Connections
23
Power Terminal Strip
23
Wiring Terminals
23
Typical Unit Wiring Diagram
24
Typical Low-Voltage Field Wiring
24
Typical 208/230V Power Wiring
25
Typical Communication Wiring
25
Network Address and Commissioning
27
SW2 Query Instructions
28
4
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Lennox VPA048H4 Specifications
General
Brand
Lennox
Model
VPA048H4
Category
Air Conditioner
Language
English
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