CABIN COMFORT Self Contained Units Installation, Operation & Maintenance Manual Revised 3-15-04 L-2334
Table of Contents Cabin Comfort Overview Diagram .....…………………………………………. 3 Preface................................................................................................................... 4 Unpacking and Inspection .................................................................................... 5 Safety Considerations ........................................................................................... 5 Placement Recommendations ...................................................
Preface Congratulations on the purchase of your Cabin Comfort air conditioner. No matter which of the following features was the reason you purchased this unit, we are sure it will meet your needs and will give you many years of efficient and trouble free use. The Cabin Comfort Series units are self-contained, reverse cycle air conditioners.
Unpacking and Inspection Move units in the normal “up” orientation as indicated by the arrows on each carton. When the equipment is received all items should be carefully checked against the bill of lading to be sure all cartons have been received. Examine units for shipping damage, removing the units from the cartons if necessary. Units in question should also be internally inspected. If the unit is damaged, the carrier should make the proper notation on the delivery receipt acknowledging the damage.
Seawater Pump and Plumbing The seawater thru-hull inlet should be a minimum of 3/4" inside diameter (I.D.) for 1 or 2 units or 1" I.D. for up to 5 units. It should be located as near to the keel as practical and utilizing a speed scoop to insure positive water flow while the vessel is underway. A full flow bronze sea cock should be used, so that you have the ability to disrupt the incoming water to the sea strainer and circulator pump should the need arise.
Mounting the Unit The Cabin Comfort Series unit is supplied with a painted aluminum cabinet which also serves as an overflow condensate pan. Mounting clip brackets are provided to secure the base pan onto a flat, horizontal surface.
Condensate Drains The Cabin Comfort Series condensate drain pan is over 1-1/2" high with the largest drain pipe available accommodating 5/8" I.D. hose, and assuring more than adequate drain off under all conditions. All Cabin Comfort Series units come complete with condensate drains. Under adverse climatic conditions, (for example, high humidity), condensate could be produced at a rate of approximately one gallon per hour.
Electrical Prior to making any decisions concerning the electrical source, please refer to your specifications sheet on your boat and note the total amperage draw to operate the necessary air conditioning system. With this information at hand, now consider the following possibilities: 1. Generally speaking most boats come standard with a single 30 amp shore line connection. 2.
Grounding/Bonding All Cabin Comfort Series air conditioning units must be effectively grounded to minimize the hazard of electric shock and personal injury. The following are to be observed: 1. AC (alternating current) grounding (green wire) must be provided with the AC power conductors and connected to the ground terminal (marked “GRND) at the AC power input terminal block of the unit(s), per ABYC standard E-8, or equivalent. 2.
Operating Instructions The Cabin Comfort MCP has three basic controls: • • • System Switch Fan Speed Switch Thermostat Follow these procedures for operation of the system: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Set the MCP System switch to “OFF”. Set the circuit breaker on the ship’s main control panel to “ON”. Turn the Thermostat fully clockwise for cooling and fully counter-clockwise for heating. Set the fan speed control on “HIGH” position (fully clockwise). Be certain the seawater inlet valve is open.
Troubleshooting Guidelines FAULT Nothing works at all Fan runs but no water flow Fan and Pump run, but no cooling or heating Compressor not running or trying to start POSSIBLE REASON Air conditioner circuit breaker is off.
Troubleshooting Guidelines (continued) FAULT Fan and Pump run, but no cooling or heating Compressor operates for only short periods of time. POSSIBLE REASON Seawater intake valve may be closed. CORRECTION Open valve Seawater strainer or intakes could be plugged. Check hoses from intake to pump, pump to condensing unit, and condensing unit to overboard to make certain that they have not collapsed, pinched, or kinked. Check voltage to pump, check pump head and impeller.
Maintenance Winterization There are several methods of winterization, some of which work better than others. The four various methods employed are: 1. Use of pressurized air to force water to be discharged through the overboard thru-hull fitting. 2. Use of the seawater pump to pump anti-freeze solution through the system and discharging through the overboard thru-hull fitting. 3.
Manufacturers Limited Warranty Agreement The following warranty is extended to cover products manufactured or supplied by Dometic Corporation, and is subject to qualifications indicated. Dometic Corporation warrants for the periods set forth below that products manufactured or supplied by it will be free from defects in workmanship and material, provided such products are installed, operated, and maintained in accordance with Dometic Corporation’ written instruction.
Dometic Corporation Environmental Systems 2000 N. Andrews Ave. Ext. • Pompano Beach, FL 33069-1497 USA Phone: 954-973-2477 • Facsimile: 954-979-4414 Fleets Industrial Estate • 26 Willis Way • Poole, Dorset BH15 3SU, England Phone: +44(0)870 3306101 • Facsimile: +44(0)870 3306102 Website: www.marineair.com • Email: sales@marineair.
