Dometic L-2086 DX Remote & Self-Contained A/C Installation Guide

Installation and operation manual for Dometic DX Remote & Self-Contained A/C system model L-2086.

Brand: Dometic
Category: Air conditioner
Document type: Installation Guide
Language: English
Pages: 40
File format: PDF
File size: 2.4 MB
Published: 07 October, 2026
Updated: 07 October, 2026
MD5 checksum: 7C0BAA684A6A6C310B19E5EF63F3B06C
PDF: Dometic L-2086 DX Remote & Self-Contained A/C Installation Guide PDF

About this manual

This manual provides step‑by‑step installation procedures, wiring guidelines, and safety warnings for the Dometic DX Remote & Self‑Contained air‑conditioning system (model L‑2086). It covers both self‑contained units and remote condensing configurations, including site‑selection checklists, mounting instructions, and refrigerant‑tube routing.

The guide also details system operation, control options, maintenance tasks, and troubleshooting tips, helping technicians and owners ensure reliable cooling and heating performance on marine vessels.

What's inside

Introduction
Air Conditioning Basics
Types of DX Systems
Subsystems (Seawater, Air Distribution, Controls)
Installation Procedures
Electrical System
Site Location Checklist
Mounting the Self‑Contained Unit
Mounting the Remote Condensing Unit
Refrigerant Tubing

Specifications

Voltage options (US/Canada)	115 V or 230 V, 60 Hz single‑phase AC
Voltage options (Europe/Asia)	230 V, 50 Hz single‑phase AC
High‑capacity compressor voltage	230 V single‑phase or 380/460 V three‑phase
Maximum refrigerant tubing length	50 ft (15 m)
Optimal seawater temperature for cooling	Below 90 °F (32 °C)

Frequently asked questions

What is the maximum length for refrigerant tubing?

Refrigerant tubing may be up to 50 ft (15 m) long between the condensing unit and the cooling/heating unit.

What seawater temperature is optimal for cooling operation?

Cooling performance is best when seawater temperature is below 90 °F (32 °C).

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