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TABLE OF CONTENTS
INTRODUCTION ..................................................................................................................................................................2
DOCUMENT SYMBOLS.......................................................................................................................................................2
IMPORTANT SAFETY INSTRUCTIONS ............................................................................................................................3
A. Recognize Safety Information ...................................................................................................................................3
B. Understand Signal Words ..........................................................................................................................................3
C. Supplemental Directives ............................................................................................................................................ 3
D. General Safety Messages .........................................................................................................................................3
SPECIFICATIONS ................................................................................................................................................................4
A. Table - Unit Data ........................................................................................................................................................ 4
B. Roof Requirements ....................................................................................................................................................4
INSTALLATION INSTRUCTIONS .......................................................................................................................................4
A. Choosing Proper Location For Unit ...........................................................................................................................4
B. Roof Preparation .......................................................................................................................................................6
C. Wiring Requirements .................................................................................................................................................7
D. Placing Unit On Roof .................................................................................................................................................7
E. Installation Preparation .............................................................................................................................................. 8
F. Duct Divider Installation ............................................................................................................................................. 8
G. Installing Unit .............................................................................................................................................................9
H. 120 Vac Power Supply Connection .........................................................................................................................10
I. Installing ADB ..........................................................................................................................................................10
OPERATING INSTRUCTIONS ..........................................................................................................................................12
A. Controls ...................................................................................................................................................................12
B. “OFF” Position ( ) ..................................................................................................................................................12
C. Cooling Operation (Blue Graphic) ...........................................................................................................................12
D. Heating Operation (With Electric Heater Option Installed). .....................................................................................12
E. Fan Operation (Black Graphic) ................................................................................................................................ 12
F. Center Air Discharge ...............................................................................................................................................12
MAINTENANCE ..................................................................................................................................................................13
A. Air Filter ...................................................................................................................................................................13
B. ADB Housing ...........................................................................................................................................................13
C. Fan Motor ................................................................................................................................................................13
GENERAL INFORMATION ................................................................................................................................................13
A. Frost Formation On Cooling Coil .............................................................................................................................13
B. Heat Gain ................................................................................................................................................................13
C. Condensation ..........................................................................................................................................................13
D. Air Distribution .........................................................................................................................................................13
SERVICE - UNIT DOES NOT OPERATE .........................................................................................................................14
WIRING DIAGRAMS ..........................................................................................................................................................14
A. Unit Wiring Diagrams ...............................................................................................................................................14
B. ADB Wiring Diagram ...............................................................................................................................................15
INTRODUCTION
This air conditioner (hereinafter referred to as “unit” or “product”) is designed and intended for installation on the roof of a
Recreational Vehicle (hereinafter referred to as RV) during or after the time it is manufactured.
This unit can be installed by one person with brief help from additional personnel. Use these instructions to ensure a properly
installed, and properly functioning product.
Dometic Corporation reserves the right to modify appearances and specications without notice.
DOCUMENT SYMBOLS
Indicates additional information that is NOT related
to physical injury.
Indicates step-by-step instructions.
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