Low-cost a/c option

May 1, 2010
Dometic Group has added a new low-power bunk cooler to its line of engine-off battery-powered auxiliary air conditioning products. The SP-900 is powered by a 12-volt Danfoss compressor, producing a capacity of 3,100 Btu/hr. to cool the cab. It is a split system consisting of a condensing unit that mounts on the rear of the cab and an evaporator that mounts above the bunk or seat. The units are connected

Dometic Group has added a new low-power bunk cooler to its line of engine-off battery-powered auxiliary air conditioning products.

The SP-900 is powered by a 12-volt Danfoss compressor, producing a capacity of 3,100 Btu/hr. to cool the cab. It is a split system consisting of a condensing unit that mounts on the rear of the cab and an evaporator that mounts above the bunk or seat. The units are connected by precharged refrigerant line sets.

“We are introducing this product to offer a low-cost alternative for truckers who only want to cool the bunk without air conditioning the entire sleeper compartment,” said Lou Siegel, senior vp of the trucking business unit.

Airflow is controlled by four separate air vents that can be adjusted. A digital thermostat and keypad allow for driver control. The Dometic system runs on power taken directly from the battery bank, so it doesn't require an inverter. A low-voltage sensor and automatic shut-off circuit ensure the system will not deplete the truck's batteries. www.dometic.com

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