Dometic Brisk Air 2 Air Conditioner Instruction Manual
Dometic Brisk Air 2 Air Conditioner
Dometic Brisk Air 2 579 Instructions
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Dometic Brisk Air 2 Air Conditioner Specifications
| Feature | Specification |
|---|---|
| Product Type | Roof Top Air Conditioner for recreational vehicles (Duo-Therm by Dometic) |
| Brisk Air Series | 579 Series (57908.521, 57912.621/.622, 57915.421/.426/.422, 57915.521/.526/.522, 57915.621/.626/.622) |
| Related Series in Same Manual | 590 Series and 595 Series Quick Cool |
| Nominal Capacity – Model 57908 | 7,100 BTU/HR |
| Nominal Capacity – Model 57912 | 11,000 BTU/HR |
| Nominal Capacity – Model 57915 | 13,500 BTU/HR |
| Electrical Rating | 115 VAC, 60 Hz, 1 Phase |
| Compressor Rated Load Amps | 6.6 A (57908); 8.5 A (57912); 11.5 A (57915.4xx); 12.1 A (57915.5xx); 11.0 A (57915.6xx) |
| Compressor Locked Rotor Amps | 34.0 A (57908); 48.3 A (57912); 50.0 A (57915.4xx); 59.0 A (57915.5xx); 54.4 A (57915.6xx) |
| Fan Motor Rated Load Amps | 2.5 A |
| Fan Motor Locked Rotor Amps | 5.8 A |
| Optional Heater Rating | 12.7 A; 1530 W at 120 VAC |
| Refrigerant | R22 |
| Minimum Wire Size | 12 AWG copper, with ground, up to 24 ft (consult National Electrical Code for longer runs) |
| Circuit Protection | Separate 20 A Time Delay Fuse or HACR Circuit Breaker |
| Minimum Generator Size – 1 Unit | 2.5 kW (57908, 57912); 3.5 kW (57915) |
| Minimum Generator Size – 2 Units | 4.0 kW (57908, 57912); 5.0 kW (57915) |
| Approximate Unit Weight | About 100 lb (handling caution) |
| Selector Switch | 8 positions including OFF (High/Med/Low Cool, High/Med/Low Fan, Opt. Heat, Off) |
| Thermostat Range | 65°F (coldest) to 90°F (warmest) |
| Restart Delay After Shutdown | At least 2 minutes |
| Roof Opening Size | 14" x 14" (spacers required above 14-1/2" x 14-1/2") |
| Maximum Roof Slant | Up to 15° side-to-side or front-to-back |
| Roof Load Requirement | 130 lb with RV in motion (typically met by 200 lb static load design) |
| Opening Frame Lumber | 3/4" minimum thickness |
| Supply Wire Extension Into Opening | At least 20" |
| Ceiling-to-Roof Thickness Range | 1" to 4" standard; 4" to 6" with Duct Adaptor 313606.000 and Bolt Kit 3100895.006 |
| Mounting Bolt Torque | 40 to 50 inch-pounds (4 self-locking bolts) |
| Compressed Roof Gasket Height | Approximately 1/2" |
| Air Distribution Box Kit | Part No. 3107206 |
| Heat Package Readiness | Pre-wired for optional heat package |
| Certification | UL Listed; CSA Certified |
| Manual Form Number | 3107195.012 (3/98), replaces 3107195.004 |
Dometic Brisk Air 2 Air Conditioner Details
The Dometic Brisk Air is a roof top air conditioner made for recreational vehicles. In most cases it fits over an existing roof vent opening. You set everything with one rotary selector switch and a thermostat. There are three cooling modes. HIGH COOL gives the most cooling and dehumidification. MED. COOL covers normal, everyday cooling. LOW COOL holds a room that is already comfortable, and it is the usual choice at night. In every cooling mode the blower runs all the time to keep the temperature even, and the thermostat turns the compressor on and off.
In the three fan-only positions, the unit moves air through the RV with no cooling or heating. If the optional heat kit is installed, the OPT. HEAT position turns on the electric heater. The thermostat does not control the heater's on/off cycle, so you have to move the selector back to off or to a fan position when the RV is warm enough. Dometic says the heater only takes the chill off cool mornings. It does not replace a furnace in cold weather.
Frost can form on the evaporator coil, most often when it is fairly cool outside. If you see frost, check the filter and clean it if it is dirty. Make sure the louvers are not blocked, and turn the thermostat counter-clockwise to a warmer setting. If the frost stays, run a fan-only setting until the coil is clear. Condensation on ceilings, windows and metal parts is normal in humid air. Keeping doors and windows closed reduces it. The manufacturer is not responsible for damage caused by condensed moisture.
How well the unit holds a set temperature depends on how much heat the RV picks up. You can reduce heat gain by parking in the shade, closing blinds and curtains, keeping doors and windows shut, and not using appliances that give off heat. On very hot days, start the air conditioner early in the morning. This "head start" makes it much easier to keep the inside cool.
Maintenance is simple. Take out the return air filter above the removable panel in the air box, wash it with soap and warm water, let it dry and put it back. Never run the unit without the filter, because dirt can clog the evaporator coil. Clean the air box housing and control panel with a soft cloth and mild detergent. Do not use furniture polish or scouring powder. The fan motor is lubricated at the factory and needs no service under normal use.
If the unit does not run, check these things first. If you are on a generator, make sure it is running and producing power. If you are on a land line, make sure it is sized for the load and plugged in. Check whether the fuse or breaker has opened. If you need to call for service, have the model number and serial number ready. Both are on the rating plate on the base pan, which you can see after removing the return air grille.
The installation section explains where to place the unit when there is no roof vent. For one unit, place it slightly forward of center and centered side to side. For two units, place them one-third and two-thirds of the way back from the front. When you cut a new opening, watch for wiring between the roof and ceiling. Frame the opening so air is not pulled from the roof cavity, and finish it to NFPA 501C. Never create a low spot on the roof where water can collect.
Lift the unit straight onto the opening and do not slide it, because sliding can damage the neoprene gasket. The condenser coil faces the rear of the RV. Inside, connect the white, black and ground wires in the junction box. Six-inch leads are enough. Then fit the ducts and ceiling template and plug the unit cord into the control box. Mount the air box with three #10 screws, and add four wood screws if you want a tighter fit. On tent campers, use a visible SJOW-A cord set between a flanged roof inlet and a dedicated sidewall receptacle.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Dometic Brisk Air 2 Air Conditioner, and we answer them below.
