Summary of Contents for Dometic Kohler 7APU
- Page 1 Operation and Installation Heavy Duty Truck Auxiliary Self-Contained Heating & Air Conditioning System Models: 7APU TP-6512 2/07a...
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Page 3: Table Of Contents
Table of Contents Self-Contained HVAC System for Truck Humidity Control Program Sleepers • Introduction Programming The Time Period ......... 15 Programming The Dehumidification Time ......15 Notice ................. 4 Recommended Humidity Control Settings ......15 Drawings and Diagrams ............. 4 Fault Shutdowns and Error Messages Air Conditioning Basics ............ -
Page 4: Self-Contained Hvac System For Truck Sleepers • Introduction
Note - Moisture: Dometic will not be held responsible for damage caused by Air Conditioning Basics condensation of moisture on surfaces within the compart- ment. Humid outside air contains water vapor, which, when... -
Page 5: Subsystems
Subsystems Self-contained units require subsystems that are purchased separately because of the many variations and options available. These subsystems include the air distribution system and the system control. Air Distribution System Compartment air is drawn into the self-contained unit through a return air grill, it is cooled or warmed and blown back into the compartment through a ducting system. -
Page 6: Self-Contained Hvac System For Truck Sleepers • Installation
Self-Contained HVAC System for Truck Sleepers • Installation Required Tools Before You Start Tools that will aid in installation: drill and bits, 1-5/8" hole saw, 1. Read installation and operating instructions carefully reciprocating saw with metal blades, Phillips and straight before attempting to install and operate your air condition- blade screwdrivers, measuring tape, and Teflon tape or ing unit. -
Page 7: Wiring The Unit
Controls cable that is plugged into the SMX circuit board/elec box is the TSEP (temperature sensing element). That cable is Two types of controls are used with these self-contained mounted on the unit in front of the evaporator coil in the units. -
Page 8: Attaching The Drain Hose
Attaching The Drain Hose Climb under the sleeper with the length of 5/8" diameter hose and the small hose clamp. Secure the hose to the hose barb with the clamp. Secure the hose to something under the sleeper that is fixed. Fashion the hose such that is forms a trap, such as a plumber’s running trap. -
Page 9: Self-Contained Hvac System For Truck Sleepers • Operation
Self-Contained HVAC System for Truck Sleepers • Operation 9. Cool Mode Indicator Starting Up Your New System Lights when you press the COOL key to select the cooling mode. SMXir Quick Start 10. Heat Mode Indicator Use the COOL or HEAT button to start desired function. Lights when you press the HEAT key to select the Push the SET button to put the switch into temperature heating mode. -
Page 10: The Smxir Remote Control
Definitions LED - Light Emitting Diode. An indicator light is used to denote mode or operating status. Setpoint - The selected temperature you want to maintain in the area being heated or cooled. The SMXir Remote Control The optional SMXir remote control keypad has the familiar layout of the 10-button SMX keypad, and performs most of the same functions. -
Page 11: Smxir Basic Operation Power On
Heat Mode SMXir Basic Operation Press the HEAT key to select HEAT Mode. The Heat Mode Indicator will light to show that you have selected the heating Power On mode. When AC power is applied to the system at the circuit The Heating Indicator will be lit whenever the system is in the breaker, the SMX microprocessor performs a self-check and heating mode and the electric heat element is energized. -
Page 12: Anti-Ice Routine
To start the dehumidification program: To restore programmed functions to factory setting: • Press OFF. • Press OFF, SET and FAN simultaneously. • Press COOL, HEAT and FAN keys simultaneously. • Press SET. For the SMXir Remote Control only - Press the Dehumid key to enter dehumidification mode. -
Page 13: Fan Response Differential
Programmable Function Keystroke Combination Factory Setting Range See table below before reset Factory Memory Reset OFF & SET & FAN, then SET Compressor Time Delay DOWN & SET & UP 0 to 70 sec. Fahrenheit/Celsius DOWN & TEMP & UP F or C Compressor Differential SLOW &... -
Page 14: Fan Mode
Check with your dealer or call cycles on in the cooling mode to dehumidify. the Dometic Applications Department for more information. 3. After the dehumidification cycle, the system turns off. The process repeats according to the programmed time AC Line Voltage Calibration period. -
Page 15: Programming The Time Period
Programming The Time Period Fault Shutdowns and Error Messages (Factory Default: 12 hours) The time period determines how often the system performs The SMX control contains built-in safeguards designed to the dehumidification process. You can select intervals of 2, 4, protect your air conditioning system from damaging condi- 6, 8, 10, 12, 14 or 16 hours. -
Page 16: Quick Smxir Troubleshooting Guide
Quick SMXir Troubleshooting Guide Troubleshooting Problem: SMXir Display Not On Symptom: Unit does not operate at all Possible Solution: Suggested Solutions: 1. Turn circuit breaker on 1. Check the switch to make sure it is set to the desired function. 2. - Page 17 ELECTROLYSIS - Electrical leakage of any component can cause electrolytic deterioration (electrolysis) of thru-hull components which could result in leakage serious enough to sink a vessel which could result in loss of life. All Dometic Heater No maintenance is necessary.
- Page 18 Description of Figures Fig. 1 Unit Specifications Fig. 2 Wiring Diagram for ASCDX14 (080359) Fig. 3 Wiring Diagram for ASCDX10 (080343) Fig. 4 Wiring Diagram for ASCEX7 (080356) Fig. 5 Wiring Diagram for ASCF7 (080344) L-2347K...
- Page 19 Fig. 1 Unit Specifications Full Load Amperage* Model Cooling Capacity Heating Height Width Length Weight Cooling Heating Number (BTU/Hr) Capacity (KW) (in) (in) (in) (lbs) (amps) (amps) ASCF7 7,000 N/A** 12.50 15.25 21.50 62.00 8.50 ASCEX7 7,000 1.50 11.94 17.75 24.00 71.00 8.90...
- Page 20 Fig. 2 Wiring Diagram for ASCDX14 (080359) L-2347K...
- Page 21 Fig. 3 Wiring Diagram for ASCDX10 (080343) L-2347K...
- Page 22 Fig. 4 Wiring Diagram for ASCDX7 (080356) L-2347K...
- Page 23 Fig. 5 Wiring Diagram for ASCF7 (080344) L-2347K...
- Page 24 KOHLER CO. Kohler, Wisconsin 53044 Phone 920-565-3381, Fax 920-459-1646 For the nearest sales/service outlet in the US and Canada, phone 1-800-544-2444 KohlerPowerSystems.com Kohler Power Systems Asia Pacific Headquarters TP-6512 2/07a 7 Jurong Pier Road Singapore 619159 Phone (65) 6264-6422, Fax (65) 6264-6455 E 2008 by Kohler Co.