– 3 –
Table of Contents
Airfl ow ....................................................................................................................................................................................24
Application and Sizing ....................................................................................................................................................16
Auxiliary Controls ..............................................................................................................................................................30
Auxiliary Controls―Terminal Connections ............................................................................................................ 33
Central Desk Control ......................................................................................................................................................25
Components ........................................................................................................................................................................37
Component Locator View 2800 Series ................................................................................................................... 35
Component Locator View 3800 Series ................................................................................................................... 36
Compressor and Capacitor ..........................................................................................................................................51
Condensate Disposal Systems ...................................................................................................................................53
Control Board ......................................................................................................................................................................38
Control Box Components ..............................................................................................................................................39
Control Features ................................................................................................................................................................25
Dip Switches ........................................................................................................................................................................30
Energy Management System .....................................................................................................................................34
Features and Benefi ts .....................................................................................................................................................8
Freeze Sentinel ...................................................................................................................................................................34
Heater Assembly ...............................................................................................................................................................48
Heat Pipe (Dry Air) - 2800 Series ............................................................................................................................... 49
Heat Pump Models ...........................................................................................................................................................28
Heat Pump Operation ― Zoneline 3800 ................................................................................................................52
Improper Outdoor Coil Airfl ow (Recirculating Hot Exhaust Air) ...................................................................24
Indoor AC Fan Motor
(All models except
AZ38H09DAC/EAC, AZ38H12DAC/EAC, and AZ38H15DAC/EAC) ...............45
Indoor DC Fan Motor
(Models
AZ38H09DAC/EAC, AZ38H12DAC/EAC, and AZ38H15DAC/EAC) .................................47
Louvers ..................................................................................................................................................................................37
Multiple Units Connected to One Remote Thermostat (2800 Series) .......................................................29
Nomenclature ....................................................................................................................................................................11
Outdoor AC Fan Motor (All models except
AZ38H09DAC/EAC, AZ38H12DAC/EAC, and AZ38H15DAC/EAC) ..........43
Outdoor DC Fan Motor (Models
AZ38H09DAC/EAC, AZ38H12DAC/EAC, and AZ38H15DAC/EAC) ..............................45