DH-A-45B Spot Cooler, 4500 W
Refrigerant, not evaporative: the spot coolers on this page use a compressor with refrigerant (R22/R410A). They are portable air conditioners for a single spot, not evaporative coolers, and they are described as such throughout this site.
The DH-A-45B is the upper-middle spot cooler: 4500 watts and 800 cubic metres per hour, for a spot that a smaller unit would leave warm at the edges.
| Specification | DH-A-45B |
|---|---|
| Cooling capacity | 4500 W (15345 BTU) |
| Airflow | 800 m3/h |
| Input power | 1800 W |
| Current | 11 A |
| Voltage | 220V / 50Hz |
| Working temperature | 16–45 °C |
| Water tank | 11.5 L |
| Size | 510 x 500 x 1050 mm |
| Weight | 56 kg |
| Features | 360° casters, plug-and-use, washable filter |
Two details stand out on the 45B. The tank grows to 11.5 litres, matching the larger cooling load, and the current draw reaches 11 amps — check the circuit at the exact position, not just the voltage, before ordering. At 56 kilograms it stays a one-person move on its casters, which matters when the hot spot moves with the work.
Running the numbers
At 1800 watts input, 8 hours a day is 14.4 kilowatt-hours by multiplication of the stated power figure — the running cost steps up with the capacity, as it should. At 11 amps, the circuit check stops being a formality: confirm the circuit at the exact position carries 11 amps continuously, not just that the building has 220 volts somewhere. The tank grows to 11.5 litres at this size, matching the larger cooling load. All three numbers — power, current, tank — are stated figures or arithmetic from them, and all three belong in the inquiry, because all three change what the installation needs.
What to put in your inquiry for this model
- DH-A-45B, and the duct variant: single, double or triple.
- The spot, and whether its warm air has somewhere to go under the variant you choose.
- The circuit at the exact position, confirmed for 11 amps continuous.
Siting the DH-A-45B
Site this unit with its circuit in mind first and its discharge second. At 11 amps, the position must have a circuit that carries that load continuously, and that fact outranks convenience: a unit that trips its circuit cools nothing. Once the circuit is confirmed, aim the discharge at the spot — the machine cell, the team bay, the warm corner — and plan the warm-air path for the duct variant chosen. At 56 kilograms the unit still moves on its casters, so when the hot spot moves, move the unit with it and re-check the circuit at the new position. A spot cooler is only as good as its last siting.
Keeping the DH-A-45B running
At this size, maintenance has a fourth item alongside the usual three: the circuit. A unit drawing 11 amps deserves a circuit check not just at installation but whenever it moves to a new position, because circuits differ and the unit's draw does not. The other three items stay the same — wash the filter on a schedule, empty the 11.5-litre condensate tank before it fills, and check the casters on every move. Write all four into the routine, assign them to a named person, and the 45B will do what its table promises. Skip them, and the most common failure will not be the compressor. It will be a tripped circuit, a dirty filter, or a full tank — all four preventable, all four boring, all four yours to own.
Before ordering, confirm: the exact model and voltage for your site, the airflow and size you need, MOQ, lead time, and warranty. This page lists only what the source material verifies; anything not listed here is a question to ask, not a specification to assume.
Request a mobile cooling layout
Send your space size, heat source, and voltage, and ask for a layout using the equipment families on this page. Before payment, confirm MOQ, lead time, voltage, and warranty for your order.