A.O. Smith AWH-45 Water Heater Manuals

Manuals and User Guides for A.O. Smith AWH-45 Water Heater. We have 1 A.O. Smith AWH-45 Water Heater manual available for free PDF download: Instruction Manual

A.O. Smith AWH-45 Instruction Manual (48 pages)

COMMERCIAL ELECTRIC AIR-TO-WATER HEAT PUMP WATER HEATER

Brand: A.O. Smith | Category: Water Heater | Size: 8 MB

Table of Contents
3
Safe Installation, Use and Service
4
General Safety Information
5
Precautions
5
Grounding Instructions
5
Introduction
6
Qualifications
6
Preparing for the Installation
6
Principle of Operation
7
The Refrigeration Cycle
7
Air Temperature Range
7
Water Temperature Range
7
Refrigerant Charge
7
Equipment Disposal
7
Features and Components
8
Product Illustrations
8
Rough in Dimensions
9
Performance Specifications
9
Installation Requirements
10
Water Temperature
10
Maximum System Temperature
10
Inlet & Outlet Water Temperature
10
Air Temperature
10
Entering Air Temperature
10
Locating the Water Heater
10
Indoor Installation Only
10
Freezing Temperatures
10
Coastal Regions
10
Unconditioned Space
11
Clearances
11
Electrical Requirements
11
Voltage & Amperage Ratings
11
Minimum Circuit Ampacity & Maximum Fuse Size
12
Minimum Wire Size
12
Water Piping
13
Maximum Pipe Length
13
Minimum Pipe Size
13
Pipe Support
13
Pipe Insulation
13
Cold Water Supply
13
Water Pressure
13
Closed Water Systems
13
Thermal Expansion
13
Mixing Valves
13
Condensate Removal
14
Contaminated Water
14
Temperature - Pressure Relief Valve
14
Tank Selection
14
Contaminated Air
14
Storage & Handling
15
Installation
16
Required Tools and Materials
16
Installation & Start up Tools
16
Service Tools
16
Unit Placement
16
Ceiling Suspension
16
Pad Mounting
16
Electrical Connections
17
Correct Voltage and Phase
17
Branch Circuit Disconnect Switch
17
Transformer Configuration 208 VAC Models
17
Water Connections
17
Installation Instructions
17
Single Tank Configuration
18
Two Tank Pre Heat Configuration
18
Condensate Drain Line
18
Standard Tank Thermostat
18
Digital Tank Thermostat Installation
19
Temperature Sensor Installation
19
Air Flow and Ducting
19
Duct Sizing
19
Duct Insulation
19
Make Duct Connections
19
Building Air Pressure
19
When to Install Ducting
20
Supply Air Ducting
20
Return Air Ducting
20
Blower Assembly Adjustments
20
Installation Checklist
22
Start up
23
Digital Tank Thermostat
24
Maintenance and Service
25
Routine Maintenance
25
Troubleshooting
27
Checking Refrigerant Charge
28
Subcooling Calculation
28
Superheat Calculation
28
Control System
29
Control Board
29
Pressure Switches
29
Phase Monitor
30
Compressor Overload Module
30
Delay Timers
30
How to Reset the Control System
30
Wiring Diagrams
31
Thermostat and Accessory Wiring Diagrams
37
Digital Tank Thermostat Wiring
37
Standard Tank Thermostat Wiring
38
High Ambient Air Kit Wiring
39
Building Recirculation Pump Wiring Diagram
40
Piping Diagrams
41
Limited Warranty
46

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