TABLE OF CONTENTS
3
....................................................................................
Required Tools and Materials ..........................................................
Installation & Start Up Tools ......................................................
Service Tools .............................................................................
Unit Placement ................................................................................
Ceiling Suspension ...................................................................
Pad Mounting ............................................................................
Electrical Connections .....................................................................
Correct Voltage And Phase .......................................................
Branch Circuit Disconnect Switch .............................................
Transformer Configuration 208 VAC Models .............................
Water Connections ..........................................................................
Installation Instructions .............................................................
Single Tank Configuration ................................................................
Two Tank Pre Heat Configuration ....................................................
Condensate Drain Line ....................................................................
Standard Tank Thermostat ..............................................................
Digital Tank Thermostat Installation .................................................
Temperature Sensor Installation ......................................................
Air Flow and Ducting .......................................................................
Duct Sizing ................................................................................
Duct Insulation ..........................................................................
Make Duct Connections ............................................................
Building Air Pressure .................................................................
When To Install Ducting ............................................................
Supply Air Ducting .....................................................................
Return Air Ducting .....................................................................
Blower Assembly Adjustments .........................................................
INSTALLATION CHECKLIST ...............................................................
Digital Tank Thermostat ...................................................................
MAINTENANCE AND SERVICE ..........................................................
Routine Maintenance .......................................................................
TROUBLESHOOTING .........................................................................
Checking Refrigerant Charge ..........................................................
Subcooling Calculation ..............................................................
Superheat Calculation ...............................................................
CONTROL SYSTEM ............................................................................
29
Control Board ............................................................................
29
Pressure Switches ....................................................................
29
Phase Monitor ...........................................................................
3
0
Compressor Overload Module ..................................................
3
0
Delay Timers .............................................................................
3
0
How To Reset The Control System ...........................................
3
0
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 ..........................................................................
47
..........................................................................
SAFE INSTALLATION, USE AND SERVICE..........................................
GENERAL SAFETY INFORMATION ......................................................
Precautions ........................................................................................
Grounding Instructions ......................................................................
INTRODUCTION ....................................................................................
Qualifications .....................................................................................
Preparing For The Installation ...........................................................
Principle Of Operation .......................................................................
The Refrigeration Cycle ..............................................................
Air Temperature Range......................................................................
Water Temperature Range ................................................................
............................................................................
Equipment Disposal ...........................................................................
FEATURES AND COMPONENTS .........................................................
Product Illustrations ...........................................................................
Rough In Dimensions ........................................................................
Performance Specifications ...............................................................
INSTALLATION REQUIREMENTS ......................................................
Water Temperature ..........................................................................
Maximum System Temperature ................................................
Inlet & Outlet Water Temperature ..............................................
Air Temperature ...............................................................................
Entering Air Temperature ..........................................................
Locating The Water Heater ..............................................................
Indoor Installation Only .............................................................
Freezing Temperatures .............................................................
Coastal Regions ........................................................................
Heat Source ..............................................................................
Conditioned Space ....................................................................
Unconditioned Space .................................................................
Clearances .......................................................................................
Electrical Requirements ....................................................................
Voltage & Amperage Ratings .....................................................
Minimum Circuit Ampacity & Maximum Fuse Size ....................
Minimum Wire Size ...................................................................
....................................................................................
Maximum Pipe Length ..............................................................
Minimum Pipe Size ...................................................................
.............................................................................
Pipe Insulation ...........................................................................
Cold Water Supply ....................................................................
................................................................................
Closed Water Systems ....................................................................
Thermal Expansion ..........................................................................
Mixing Valves ...................................................................................
Condensate Removal ......................................................................
Contaminated Water ........................................................................
Temperature - Pressure Relief Valve ...............................................
Tank Selection .................................................................................
Contaminated Air .............................................................................
Storage & Handling .........................................................................
Summary of Contents for AWH-35
Page 2: ......
Page 32: ...UNIT WIRING DIAGRAMS FUSE SIZES 208 230 VAC SINGLE PHASE 60 HZ 32...
Page 33: ...UNIT WIRING DIAGRAMS FUSE SIZES 208 230 VAC THREE PHASE 60 HZ AWH 35 AWH 55 and AWH 75 only 33...
Page 34: ...UNIT WIRING DIAGRAMS FUSE SIZES 208 230 VAC THREE PHASE 60 HZ only 34...
Page 35: ...UNIT WIRING DIAGRAMS FUSE SIZES 460 VAC THREE PHASE 60 HZ 35...
Page 36: ...UNIT WIRING DIAGRAMS FUSE SIZES 460 VAC THREE PHASE 60 HZ only 36...