Dometic FreshJet 4 Series Installation Manual
Rooftop air conditioner (return air grille, wall thermostat controls)
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Also See for FreshJet 4 Series:
- Operating manual (28 pages) ,
- Installation manual (24 pages) ,
- Installation and operation manual (28 pages)
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Table of Contents
Related Manuals for Dometic FreshJet 4 Series
Summary of Contents for Dometic FreshJet 4 Series
- Page 1 CLIMATE CONTROL FRESHJET FreshJet 4 series Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Installation manual ..... . 3...
- Page 2 Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Copyright © 2024 Dometic Group. The visual appearance of the contents of this manual is protected by copyright and design law. The underlying technical design and the products contained herein may be protected by design, patent or be patent...
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Page 3: Table Of Contents
Configuring the electronic control box ..20 documentation, may be subject to changes and updates. For up-to- date product information, please visit www.dometic.com. Installing the return air grille ... . . 21 Contents 9 System check . -
Page 4: Related Documents
A signal word will identify safety messages and property • Use only Dometic replacement parts and damage messages, and also will indicate the degree or components that are specifically approved for use level of hazard seriousness. -
Page 5: Intended Use
4 .1 Tools and materials • Children should be supervised to ensure that they do not play with the product. Dometic recommends that the following tools and materials be used. 3 Intended use Recommended tools and materials... -
Page 6: Rooftop Component Dimensions
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) 4 .4 Rooftop component dimensions This section provides the external dimensions and clearance measurements of the rooftop component. 1 Rooftop components (FreshJet 4 series) 14.4 in. (351 mm) Center line of unit 29.6 in. (752 mm) -
Page 7: Return Air Grille Component Dimensions
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) General information 4 .6 Return air grille component 4 .7 .1 Planning the rooftop location dimensions The rooftop component is specifically designed for installation on the roof of an RV. To determine where to This section provides the internal dimensions of the place the rooftop component, consider these items. -
Page 8: Air Distribution System Sizing And Design
Tilt allowance from attempting to turn on at the same time and Model number Maximum tilt (all directions) overloading the breaker. FreshJet 4 series 15° 4 .8 Air distribution system sizing 4 .7 .3 Planning the return air grille and design... - Page 9 We have found by testing, that this configuration works best in most applications. 4 Duct insulation If multiple air conditioners are being used, Dometic Duct Roof opening Corporation recommends the above configuration for...
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Page 10: Specifications
Circuit protection: a time delay fuse or circuit breaker is required. Dometic Corporation gives general guidelines for generator requirements. These guidelines come from experiences people have had in actual applications. When sizing the generator, the total power usage of your RV must be considered. Generators may lose power at high altitudes and from lack of maintenance. -
Page 11: Pre-Installation
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Pre-installation 7 Pre-installation • The geographical location where the RV will be used • The personal comfort level required WARNING: FIRE OR ELECTRICAL SHOCK HAZARD . Failure to obey these warnings 7 .2 Preparing the thermostat could result in death or serious injury . -
Page 12: Opening
Pre-installation Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Remember to provide an entrance hole for power supplies at the front of the opening. This section describes how to prepare the RV roof opening. 7 .3 .1 Using an existing roof vent opening If the roof does not have an existing roof vent, go to “Making a new roof opening”... - Page 13 Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Pre-installation 2. Route the 115 VAC power supply wire from the time-delay fuse or circuit breaker box to the roof opening. Use a listed/certified non-metallic sheathed single strand cable. See “Specifications” on page 10.
- Page 14 Pre-installation Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) 7 .4 .4 Routing the furnace wire If your system includes a gas furnace, you must complete the following steps: 1. Route two 18 AWG wires from the furnace to the roof opening of the rooftop component that will control the furnace.
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Page 15: Positioning The Rooftop Component
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Pre-installation 7 .4 .7 Routing an automatic generator start (AGS) feature via RV-C (optional) If installing an AGS feature, you must complete one of the following actions: • If the generator is equipped with RV-C communication capabilities and an AGS device: 1. -
Page 16: Installation
Installation Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) • “Using independent RJ-45 wire to supply communication to the thermostat” on page 16, or • “Using RV-C BUS and multiplexer to supply CAN communication to the AC” on page 17. 8 .1 .1 Using independent RJ-45 wire to supply communication to the thermostat If installing non-RJ-45 wiring, go to “Using RV-C BUS... - Page 17 Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Installation 8 .1 .2 Using RV-C BUS and multiplexer to The pins of both RJ-45 plugs must match: pin 1 must connect to pin 1 on the other connector, pin 2 supply CAN communication to the AC must connect to pin 2 on the other connector, and If installing RJ-45 wiring, go to “Using independent continuing for all remaining pins.
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Page 18: Installing The Electronic Control Box
Connect the previously run (–) 12 VDC supply wire protruding from the roof opening to the 3. Applying pressure over the Dometic logo, push the (–) 12 VDC black wire at the electronic control bottom edge of the display until the entire display is box. -
Page 19: Configuring The Electronic Control Box
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Installation 8 .3 Configuring the electronic If your RV has more than one electronic control box installed, configure each electronic control box with the control box appropriate DIP switch settings. This section describes how to set the DIP switches for If necessary, press each switch On (Closed) or Off (Open) your unit’s electronic control box and to complete the... -
Page 20: Installing The Return Air Grille
Installation Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) 8 .4 Installing the return air grille Number of rows to cut based on roof thickness This section describes how to install the duct divider, Ceiling thickness No . rows to cut ceiling template, and return air grille cover. - Page 21 Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Installation 6. Bend the ends of the duct divider to match the plastic base (35 degree angle). 7. Press the duct divider into the molded channel on the top of the ceiling template. 8 .4 .2 Wiring the LED strip If equipped, the LED light strip is already installed in the unit.
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Page 22: System Check
System check Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) 8 .4 .5 Installing the return air cover When a DIP switch is turned On after the initial configuration, you must perform a system reset before the thermostat will recognize the updated selection. -
Page 23: Operation
Rooftop air conditioner (FreshJet return air grille, wall thermostat controls) Operation a. Disconnect the 120 VAC and 12 VDC power supplies. b. Verify all the wiring is correct and the correct DIP switches are set to the On position. c. Perform a system reset. 10 Operation See the thermostat operating instructions for your model to learn how to use the thermostat. -
Page 24: Troubleshooting
For a more permanent solution to high heat gain, accessories like the Dometic outdoor patio or window awnings reduce the effects of direct sunlight. During normal operation, this product is designed to remove a certain amount of moisture from the air, depending on the size of the space being conditioned. -
Page 25: Disposal
WARRANTY LIMITED ONE-YEAR WARRANTY AVAILABLE AT DOMETIC.COM/EN-US/TERMS-AND-CONDITIONS- CONSUMER/WARRANTY. IF YOU HAVE QUESTIONS, OR TO OBTAIN A COPY OF THE LIMITED WARRANTY FREE OF CHARGE, CONTACT: DOMETIC CORPORATION CUSTOMER SUPPORT CENTER 5155 VERDANT DRIVE ELKHART, INDIANA, USA 46516 1-800-544-4881 OPT 1... - Page 28 .com YOUR LOCAL YOUR LOCAL YOUR LOCAL DEALER SUPPORT SALES OFFICE dometic .com/dealer dometic .com/contact dometic .com/sales-offices...