Isotherm 4901 ASU Magnum Water Cooled Refrigeration Component System
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The Sea Water-Cooled, ASU (Automatic Start Up*) Magnum Model 4901 Refrigeration System can cool as a refrigerator or as a freezer. The maximum freezer capacity is 4.6 Cubic Feet and the maximum refrigerator capacity is 14.1 cubic feet. Isotherm's ASU Models are equipped with the optional, patented Automatic Start Up System that senses when surplus power is available and stores refrigeration energy in holding plates mounted near freezer compartment. The ASU system can dramatically reduce the drain on your battery.Isotherm Magnum Features:
- Fridge or Freezer use
- Included Self-Priming Sea Water Pump ensures extra high efficiency for tropical applications
- 12/24 Volt DC Danfoss Compressor
- Easy installation with pre-charged system, "Click-on" bracket and quick connect lines
- Variable speed water pump adjusts water volume according to the temperature of the compressor
* Isotherm ASU Systems are designed for installations in existing cool boxes and mainly for use in sailing yachts where battery power is at a premium. The ASU system dramatically reduces power consumption while supplying refrigeration in abundance. It senses when surplus power is available from the engine alternator and speeds up the compressor to rapidly freeze the holding plate. When surplus power is no longer available it reduces its energy-use accordingly. The stainless-steel holding plate can be fitted at any suitable angel high up in the box before being connected to the compressor unit by the three meter long six mm diameter flexible copper piping fitted with quick-couplings. The compressor unit is small enough to be fitted in a stowage within connecting distance from the holding plate. Extremely quiet when running, it can even be fitted under a bunk if needed. After connecting the leads to the battery, the pre-filled system is ready to go.
- Boats to 55 feet
- Pole Diameters: 4.0 ” ID, 3.0” ID
- Pole Length: Adjustable 16' - 28'
- Included End Fittings: UTS Inboard / UTR Outboard
| Specifications |
Isotherm ASU 4901
|Maximum Box Volume cu ft.|| |
Large holding plate
| Dimensions evaporator |
A x B x C inches
| Dimensions compressor |
L x W x H inches
| Power Consumption (Amp) |
Max by 12 V
|Weight (lbs.)|| |
|Danfoss Compressor Model|| |
|Temp Range|| |
Isotherm has a 5-year limited warranty on all compressors. All other parts are covered by a two-year limited warranty with one-year warranty on labor.
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