Hammond PWS7502A230N4LG 17750 BTU/H Air/Water Heat Exchanger, 230V Light Gray
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224-955-1644Key Features
- 17750 BTU/H air/water heat exchanger for 230 V supply
- NEMA 3R/4 rated, Lt. Gray colour (part description)
- 1490 mm (58.66 in) high x 520 mm (20.47 in) wide per the part drawing
- PWS 7502 drilling template with twelve 10.70 mm (0.42 in) holes
- Door or side mounted bolt-on PWS Series cooling unit
- Rated for up to 10 bar maximum operating pressure
- REACH and RoHS compliant
The PWS7502A230N4LG is the 230 V version of the PWS 7502 air/water heat exchanger, rated at 17750 BTU/H. As part of the PWS Series of bolt-on cooling units for door and side mounting on electrical panels, it dissipates heat from sealed enclosures and housings by transferring it to a water circuit, a good match for integrators and plant engineering teams running 230 V control panels.
Its part description lists a NEMA 3R/4 rating and Lt. Gray colour. On the part drawing the unit stands 1490 mm (58.66 in) high and 520 mm (20.47 in) wide, and the PWS 7502 drilling template calls for twelve 10.70 mm (0.42 in) mounting holes plus the air flow cut-outs. The shipping weight is 90 lbs (40.82 kg).
- Cooling liquid at least 10 C colder than the inlet air
- Maximum permissible operating pressure: 10 bar
- Supply voltage within ± 10% and frequency within ± 3 Hz of the ID plate
- Insulation strips compressed to 2 mm (approx. 0.080 in) when fastened
The PWS Series manual lists the included items as the cooling unit, mounting cutout, manual and technical data sheet, and notes that the water circuit must be completely emptied with compressed air before storage or transport below freezing. Storage temperature must not exceed +70 C.
The PWS7502A230N4LG is listed as REACH and RoHS compliant, and every device is checked for leaks before leaving the factory.
Ideal For
- Cooling sealed 230 V electrical panel enclosures with a water circuit
- Door or side mounting on large enclosures
- Locations calling for a NEMA 3R/4 rated cooling unit
- Enclosures where ambient air is too warm for air cooling
Quality
| Leak Testing | All devices are checked for leaks before leaving the factory |
Overview
| Product Type | Air/Water Heat Exchanger |
| Long Description | AW HX Unit 17750 BTU/H 230 V - NEMA 3R/4 - Lt. Gray |
| Short Description | AIR WATER EXCHANGER 230V |
Dimensions
| Overall Width (Drawing) | 520 mm (20.47 in) |
| Overall Height (Drawing) | 1490 mm (58.66 in) |
Electrical
| Voltage | 230 V |
Identifiers
| UPC | 623980720500 |
| UNSPSC | 40101802 |
| Part Number | PWS7502A230N4LG |
| Drawing Number | 30058-008-01 |
Installation
| Door Contact | Door contact switch recommended to turn the unit off when the enclosure door is opened |
| Mounting Style | Bolt-on unit for door or side mounting on electrical panel enclosures |
| Drilling Template | PWS 7502 |
| Cooling Water Hose | Flexible pressure-resistant (>10 bar) hose secured with clamps |
| Mounting Holes (Drawing) | 10.70 mm (0.42 in), x12 |
| Supply Voltage Tolerance | Within ± 10% of the ID plate value |
| Supply Frequency Tolerance | Within ± 3 Hz of the ID plate value |
| Insulation Strip Compression | 2 mm (approx. 0.080 in) |
| Coolant Temperature Requirement | Cooling liquid must be at least 10 C colder than the heat exchanger inlet air temperature |
| Maximum Permissible Operating Pressure | 10 bar |
Cooling Performance
| Cooling Capacity (Part Description) | 17750 BTU/H |
Packaging & Shipping
| Included Items | Cooling unit, mounting cutout, manual, technical data sheet |
| Shipping Weight | 90 lbs (40.82 kg) |
| Accessory Pack (Typical) | Sealing strips, threaded mounting studs, mounting bolts, nuts and washers, condensate hose, door contact connector/jumper |
Construction & Finish
| Colour | Lt. Gray |
Environmental & Protection
| Freezing Conditions | Water circuit must be completely emptied with compressed air before storage or transport below freezing |
| Storage Temperature Limit | Must not be exposed to temperatures exceeding +70 C |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| Enclosure Rating (Part Description) | NEMA 3R/4 |
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Frequently Asked Questions
What voltage is the PWS7502A230N4LG?▾
It is the 230 V version; supply voltage must be within ± 10% and frequency within ± 3 Hz of the values on the unit ID plate.
How much heat can it remove?▾
The part description rates it at 17750 BTU/H.
What water temperature does it need?▾
The PWS Series manual states the cooling liquid supplied to the air/water heat exchanger must be at least 10 C colder than the heat exchanger inlet air temperature for the unit to function correctly.
What is the maximum water pressure?▾
The manual gives a maximum permissible operating pressure of 10 bar and calls for flexible pressure-resistant (>10 bar) hose secured with clamps on the cooling water connection.
What comes in the box?▾
The manual lists the cooling unit, a mounting cutout, the manual and a technical data sheet. The PWS Series accessory pack typically includes sealing strips, threaded mounting studs, mounting bolts, nuts and washers, a condensate hose and a door contact connector/jumper.
What does it weigh?▾
The shipping weight is 90 lbs (40.82 kg).
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