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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
C. Table - Air Distribution Duct Sizing & Design .............................................................................................................4
INSTALLATION PROCEDURE ............................................................................................................................................5
A. Choosing Proper Location For Unit ...........................................................................................................................5
B. Roof Preparation .......................................................................................................................................................5
C. Air Distribution Duct System Sizing & Design ...........................................................................................................6
D. Wiring Requirements .................................................................................................................................................7
E. Choosing Thermostat Location ..................................................................................................................................8
F. Thermostat, Indoor Temperature Sensor, & Thermostat Communication Cable Installation ....................................8
G. Installing The LCD SZ System ..................................................................................................................................9
H. Placing Unit On Roof ...............................................................................................................................................10
I. Installing Unit ...........................................................................................................................................................10
J. Wiring System .........................................................................................................................................................12
K. System Configuration
..............................................................................................................................................13
L. Installing Return Air Cover .......................................................................................................................................14
M. System Reset & Checkout ......................................................................................................................................14
N. Furnace/Aqua Temperature Differential Setting
......................................................................................................14
GENERAL INFORMATION ................................................................................................................................................15
A. Frost Formation On Cooling Coil .............................................................................................................................15
B. Heat Gain ................................................................................................................................................................15
C. Condensation ..........................................................................................................................................................15
D. Air Distribution .........................................................................................................................................................15
WIRING DIAGRAMS ..........................................................................................................................................................16
A. Simple RV Wiring Diagram ......................................................................................................................................16
B. Unit Wiring Diagram ................................................................................................................................................17
C. 3312020.000 CCC 2 Electronic Control Kit Wiring Diagram ...................................................................................17
INTRODUCTION
This air conditioner (hereinafter referred to as “unit” or “product”) is designed and intended for installation on the roof of a
Recreational Vehicle (RV) during the time it is manufactured.
This unit can be installed by one person with brief help from additional personnel. Use the following procedure to ensure a
properly installed, and properly functioning product.
Dometic Corporation reserves the right to modify appearances and specifications without notice.
DOCUMENT SYMBOLS
Indicates additional information that is
NOT
related
to physical injury.
Indicates step-by-step instructions.
