Dometic FreshJet Series 4 & 7 Roof Air Conditioner Technical and Customer Service Manual

Important Information

• Read and Follow Instructions: Ensure to read, understand, and follow all instructions, guidelines, and warnings in this manual to properly install, use, and maintain the product.
• Stay Updated: For the latest product information, visit documents.dometic.com.

Safety Instructions

Warnings

• Qualified Personnel: Repairs and installations must be done by qualified personnel familiar with the risks and regulations.
• Installation Regulations: Follow national electrical and mechanical installation regulations.
• Fire Safety: Do not open the upper cover in case of fire. Use approved extinguishing agents, not water.
• Storage: Store the appliance horizontally in a dry, ventilated, and covered location.

Cautions

• Appliance Condition: Operate only if the housing and cables are undamaged.
• Combustible Objects: Keep a distance of at least 50 cm from the air outlet.

Scope of Delivery

Roof top unit, roof frame, air distribution box (ADB), ADB center cover, 4 duct sections, 3 cable connectors, 4 fastening bolts, and remote control.

Accessories (Not Included)

Extension duct sections, longer fastening bolts, and filters for specific models.

Intended Use

Designed for installation on the roof of a caravan or recreational vehicle for cooling and heating. Not suitable for trains, houses, apartments, construction machines, or agricultural machines.

Models and Features

• FreshJet 4-Series: Fixed-speed models.
• FreshJet 7-Series: Inverter models.

Features include automatic cooling, heating, ventilation, dehumidification, air purifier, ADB light, external light, timer, sleep, soft start, and inverter.

Installation Instructions

Precautions

• Electrocution Hazard: Disconnect all power supplies. Ensure the appliance power supply cannot be reconnected during installation or maintenance.
• Injury Prevention: Have assistance when lifting the roof air conditioner. Check the location of existing wiring and components within the installation area.

Steps

1. Making a New Opening: Choose an area at the center of the roof between two longitudinal supports. Mark and cut out a 400 × 400 mm opening.
2. Installing in an Existing Opening: Remove screws and fixtures of the existing roof hatch or air conditioner. Clean the area around the opening.
3. Laying Connecting Cables: Ensure voltage compatibility. Install a residual current circuit breaker and an all-pole switch. Ensure correct cable thickness.
4. Installing the Roof Top Unit: Seal the underside of the roof frame with a flexible non-hardening sealant. Fit the roof frame into the roof opening.
5. Electrical Connection: Connect the power supply and communication cables as per the wiring diagrams.
6. Installing the ADB: Stack the duct sections according to roof thickness. Fasten the ADB to the ceiling with the supplied bolts.

Wiring Diagrams

Detailed wiring diagrams for FJX4333EEH and FJX7333IHP models are provided, illustrating connections for power, sensors, main PCB, and other components.

Disposal

Dispose of packaging material and batteries responsibly. Consult local recycling centers for product disposal.

Technical Data

• Models: FreshJet FJX4333EEH, FJX7333IHP, FJX7337IHP, FJX7457IHP.
• Cooling/Heating Capacity: Varies by model.
• Input Voltage: 220 V … 240 V / 50 Hz … 60 Hz.
• Operating Temperature Range: -2 degrees C … 52 degrees C.
• Refrigerant: R32.
• Protection Class: IPX4.
• Noise Level: < 70 dB(A).
• Dimensions and Weight: Varies by model.

Inspection/Certification

Refer to the inspection and certification details as per the model specifications.

This manual is designed to be a comprehensive guide for customer service and technical staff, providing all necessary information for the installation, operation, and maintenance of the Dometic FreshJet Series 4 and 7 Roof Air Conditioners.