Great Lakes ERF-500A-236 Refrigerated Air Dryer (Non-Cycling) UL Listed
500 SCFM @ 100 PSIG & 100 F, Voltage: 208/230-3-60
Power & Instrumentation
- Ref. Suction Gauge
- Automatic Expansion Valve
- Power Cord
Refrigeration Compressor
- Forced Air Condenser Cooling
- Relay/Contactor
- Overload Protection
Condensate Drain
- Zero Loss Displacement Drain
The ERF Series air dryer takes hot saturated compressed air into an air cooled heat exchanger, which cools the air, and a gross water separator removes the condensed liquid. The air then enters the Air-Air exchanger where it is pre-cooled by the air discharged from the Air-Refrigeration exchanger. The fi nal cooling is accomplished in the Air-Refrigerant exchanger where it is further cooled to the specifi ed dewpoint, and additional condensed moisture is separated from the air stream. The cool dry air enters the Air-Air exchanger where it acts as the cooling medium for the previous pre-cooling stage. It also reheats the discharge air to increase volume and prevent the compressed air piping from sweating.
The refrigeration system is comprised of a compressor that boosts the refrigeration gas pressure. As the pressure is boosted the temperature is increased through heat of compression. The heat is removed and the Freon gas is condensed to a liquid by an air or water cooled heat exchanger. The high pressure liquid is collected in a receiver then feed to the expansion valve where it is expanded at a regulated volume. The expansion of the liquid causes the Freon to cool which is the equal and opposite reaction to the heat generated by compression. The cold Freon adsorbs the heat of the compressed air stream and evaporates to a gas. Any residual liquid is collected and evaporated in a suction accumulator prior to reentering the compressor before the process repeats.
5 Year Manufacturer Limited Warranty
Any standard GRF, ERF, GUF, or GTX Series Refrigerated Air Dryer manufactured by Great Lakes Air Products is warranted free from defects in material and workmanship under normal use for a period of 5-Years. The warranty applies to original purchaser effective at date of shipment from manufacturer’s warehouse. Said warranty consists of 1-Year job site labor and 5-Years covering OEM replacement parts.
This warranty covers the standard catalog GRF, ERF, GUF, or GTX series air dryers including options, excluding customer maintained components such as separator float assembly, drain solenoid, drain strainer screen, fan motor lubrication, condenser cleaning, and filter element replacement.
This warranty applies to equipment installed, operated and maintained in accordance with the procedures and recommendations as outlined in the owner’s manual by Great Lakes Air.
Great Lakes Air Products will not be responsible for the following items: Freon, insulation, torch charge, reclaiming charge, truck charges, freight damages, or any parts not original to the GRF, ERF, GUF, or GTX series dryer.
In all cases, seller must be given a reasonable opportunity to investigate and inspect any assumed defects. At seller’s option, buyer must return any defective materials to seller’s plant or authorized depot at buyer’s expense. Freight charges for returned or replacement machines or parts are not the responsibility of Great Lakes Air Products. Seller’s liability whether on warranty contract or otherwise shall be limited to repair or replacement of material found within such period to be defective. In no event shall the seller be liable for consequential or special damages.
Great Lakes Air Products shall not be responsible for any incidental or consequential damages or other costs resulting from the following; labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse air conditions, chemicals, or any circumstances over which Great Lakes Air Products has no control.
The liability of Great Lakes Air Products for all loss or damage resulting from non-conforming goods or tender, including breach of any and all warranties, shall be limited to refund of the purchase price of the particular goods with respect to which the loss or damage occurred.
This warranty is in lieu of all other warranties oral or written, expressed or implied, including warranties of merchantability or fitness for a specific purpose are hereby excluded and disclaimed. This warranty shall not apply to any equipment, which has been subjected to misuse, shipping damage, nonpayment, neglect or accident, nor shall it apply to any equipment that has been repaired or altered by persons not authorized for each incident with a Great Lakes Air Products Authorization number.
