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EnviroComfort (ECD)
INSTALLATION MANUAL
EnviroComfort Kit
Dometic Marine
Rev. 20111108
L-2657 English
COPYRIGHT © 2008-2011 Dometic Marine. All Rights Reserved.
No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means
electronic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Marine. Every precaution has
been taken in the preparation of this manual to ensure its accuracy. However, Dometic Marine assumes no responsibility for errors
and omission. Neither is any liability assumed for damages resulting from the use of this product and information contained herein.
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Table of Contents
Related Manuals for Dometic EnviroComfort ECD
Summary of Contents for Dometic EnviroComfort ECD
- Page 1 Dometic Marine. Every precaution has been taken in the preparation of this manual to ensure its accuracy. However, Dometic Marine assumes no responsibility for errors and omission. Neither is any liability assumed for damages resulting from the use of this product and information contained herein.
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Page 2: Table Of Contents
Table of Contents INTRODUCTION ....... 1 Terminal Strip ......11 Circuit Breaker . -
Page 3: Introduction
The EnviroComfort air conditioning system provides year-round comfort on your boat with both cooling and heating capabilities. A compact Dometic Digital Display temperature control operates the system. For flexibility in connecting to ductwork, the high- velocity blower is rotatable to either a horizontal or vertical position. The compact, space-saving design is contained in a stainless-steel drain pan, and the pre-installed air filter is easily removable and cleanable. -
Page 4: Kit Contents
ONTENTS EnviroComfort is a complete marine air conditioning kit that includes everything needed for a professional installation. Each kit includes: • Air conditioning unit with electrical box • Dometic Digital Display temperature-control device • Ducting • Supply-air grille • Return-air grille •... -
Page 5: Installation Procedures
Dometic equipment to prevent any loss of refrigerant. Dometic does not recommend the practice of using refrigerant to purge air and moisture from the system at installation. This formerly used practice of purging is in violation of United States federal law. -
Page 6: Grilles And Ducting
Preparation EnviroComfort Installation Manual RILLES AND UCTING • Supply-air grille mounted as high as possible. • Return-air grille mounted as low and as close to the unit as possible. • Return-air grille mounted away from exhaust and bilge vapors. • Ducting is pulled taut, straight and properly connected with no excess. - Page 7 EnviroComfort Installation Manual Preparation Figure 1: Kit Installation Diagram A: DUCT KIT INSTALLATION NOTE: Blower is rotated to vertical position. Condensate drain to sump Seawater inlet Seawater outlet B: SEAWATER KIT INSTALLATION C: SEAWATER INTAKE DETAIL Speed scoop mounting nut Backing plate (not included) Bedding compound for use...
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Page 8: Installation Notes
Preparation EnviroComfort Installation Manual Table 1: List of Parts Referenced in Kit Installation Diagram EGEND MOUNT ESCRIPTION 12.5’ (3.8m) Insulated Ducting Supply-Air Grille (the smaller grille in kit) Return-Air Grille, filtered (the larger grille in kit) Mounting Bracket (see Figure 3, page 8) Thru-Hull, plastic 5/8”... -
Page 9: Ducting Route
Special care must be taken when installing, charging and servicing Dometic equipment to prevent any loss of refrigerant. Dometic does not recommend the practice of using refrigerant to purge air and moisture from the system at installation. This formerly used practice of purging is in violation of United States federal law. -
Page 10: Installing The Mountingb
Installing The Mounting Brackets EnviroComfort Installation Manual Figure 2: Spacing Allowances & Unit Dimensions for Mounting TOP VIEW 3” (7.62 cm) Space allowance for ELEC return-air intake if adjacent to Refrigerant connection bulkhead (allow space for access) 6” (15.2 m) Space allowance for seawater piping &... -
Page 11: Installing A Trap
EnviroComfort Installation Manual Rotating The Blower Attach a 5/8” (16mm) I.D. reinforced hose to the hose barb and secure with stainless-steel hose clamps. Install the condensate drain hose downhill from the unit and aft to a sump. The hose should have a trap. Two drain fittings may be used and the hoses teed together provided there is a minimum 2"... -
Page 12: Installing The Electrical Box
Installing The Electrical Box EnviroComfort Installation Manual NSTALLING LECTRICAL The electrical box must be mounted to a solid surface in a dry location and within 3.5 feet (1m) of the unit. It must also be within 15 feet (4.5m) of where the digital control will be installed. Use the 3 keyhole mounting slots in the back of the electric box to attach it to a suitable mounting surface. -
Page 13: Installing The Control Panel
EnviroComfort Installation Manual Installing The Control Panel Screw 3 or 4 stainless-steel sheet-metal screws through the duct hose into the mount ring. Make sure to catch the wire in the duct hose with the heads of the screws. Do not use band clamps, as the hose will slide off. Wrap duct tape around the ducting and ring joint to prevent any air leaks. -
Page 14: Grounding
Electrical Connections, Grounding & Bonding EnviroComfort Installation Manual If two or more air conditioning units use the same seawater pump, the pump wires will connect to a pump relay panel (PRP), which in turn has its own dedicated circuit breaker (see the wiring diagram furnished with the PRP). Any electrical connections in the bilge below the waterline should use heat-shrink-type butt splices. -
Page 15: Wiring Diagram
EnviroComfort Installation Manual Electrical Connections, Grounding & Bonding IRING IAGRAM Figure 7: Wiring Diagram for EnviroComfort Digital Control Panel L-2657 ENGLISH... -
Page 16: Seawater
Installing Seawater Pump and Plumbing EnviroComfort Installation Manual NSTALLING EAWATER UMP AND LUMBING Refer to Figure 1: Kit Installation Diagram, page 5 for an overview of the pump and plumbing installation, and refer to Figure 8: Seawater Pump & Plumbing Diagrams, page 15 for proper and improper installation techniques. IRCULATION Mounting Requirements Since the circulation pump is centrifugal and not self-priming, it must be mounted so it is always at least one foot (305mm) -
Page 17: Eview The Installation Checklist
EnviroComfort Installation Manual Review the Installation Checklist Avoid loops, high spots or the use of 90-degree elbows with seawater hose. Each 90-degree elbow is equivalent in pressure drop to 2.5 feet (76.2cm) of hose and a 90-degree elbow on the pump outlet is equivalent to 20 feet (609.6cm) of hose. -
Page 18: Operation
Before you call for service, review this list. It may save you time and expense. This list contains common occurrences that are not a result of defective workmanship or materials. If you need service after trying these procedures, call your nearest Dometic dealer. -
Page 19: Maintenance
EnviroComfort Installation Manual Reversing Valves Table 3: General Troubleshooting Guidelines (continued) PROBLEM POSSIBLE REASONS & SOLUTIONS Coil iced. 1. Thermostat set point is too low. Check setting on temperature knob. If setting is extreme for conditions, raise set point. 2. Improper air flow. Clean return air filter or remove obstructions from return air stream. -
Page 20: Eturn Air Ilters
Dometic reserves the right to improve its products, through changes in design or material without being obligated to incorporate such changes in products of prior manufacture. Dometic can make changes at any time in design, materials, or part of units of any one, model year, without obligation or liability to owners of units of the same year's model of prior manufacture. -
Page 21: Ection Ii - What Ot Overed
Components or parts used by or applied by the purchaser, as an integral part of products not manufactured by Dometic. Labor resulting from difficult access to a Dometic product. The original installer or OEM is responsible for accessibility of unit. -
Page 22: Ection Iii - Coverage Eriod
However, based on the date the equipment is first put in service, the item may still be covered by the Dometic warranty as described in Section I. For proof of date put in service, Dometic will require a copy of the bill of sale of the Dometic equipment from the installer or new boat dealer to the original owner. -
Page 23: Able Of
4. Warranty coverage shall not exceed three (3) years from the date of production. 5. These warranty periods are effective March 1, 2010. DOMETIC - Direct Expansion, Self-Contained and Split-Systems Product Sale Type...