EXAIR´s Dual Cabinet Coolers are ideal for large electrical enclosures and high heat loads. Dual Cabinet Coolers are available with cooling capacities of 857 Kcal./hr., 1007 Kcal/hr., 1209 Kcal/hr. and 1411 Kcal/hr.
EXAIR Cabinet Coolers are available with or without thermostat control. The continuous coolers (Model series 4200 and 4700) are recommended when constant cooling and a constant positive purge are desirable. A thermostatically system saves air by activating the cooler only when the internal temperature is critical.
All Exair Cabinet Cooler Systems contain a 5 micron Automatic Drain Filter for the compressed air supply and a Cold Air Distribution Kit to circulate the cold air throughout the enclosure.
Maintain NEMA 4, 4X and 12 integrity (IP54 and IP66)
Stabilize enclosure temperature and humidity
No CFC’s
No moving parts – maintenance free
Mount in standard electrical knockout
Stop nuisance tripping
Stop heat damage
Eliminate fans and filters
Eliminate lost production
Stop circuit drift
Stop dirt contamination
Provide washdown protection
Comparison of several cooling options
Heat can stop your machines
It happens when you least expect it. High temperatures can cook the electronics that control your machines, resulting in erroneous readings, trip-outs or fried circuit boards. Cooling the electrical cabinet can eliminate these problems, but how will you do it?
Heat Exchangers and Heat Pipes
These have serious limitations when it comes to summer time heat. In many cases, the temperature of the hot plant on a summer day is close to that inside the enclosure. There is not enough difference in temperature for a decent heat exchange.
Refrigerant Panel Air Conditioners
These coolers are expensive, take almost a day to install, and are prone to failure when dust and dirt clogs the filter. Vibration from machinery contributes to component failures and loss of freon. Life expectancy for most compressors is rated at 2.5 years of continuous operation. Average replacement cost for a bad compressor is $750 plus installation. Often, a floor drain is not readily available for the condensation tube.
EXAIR Cabinet Cooler
Our compressed air operated Cabinet Coolers are the low cost solution. NEMA 12, 4 and 4X models are available that are very compact and mount in just minutes through an ordinary electrical knockout. Thermostat control limits compressed air use by operating the Cabinet Cooler only when the temperature inside the enclosure reaches critical levels.
Heat exchangers, heat pipes and refrigerant coolers all have filters that can clog. Left unattended, mechanical failure of the cooler is likely. And, the expensive equipment in the electrical enclosure can malfunction, overheat and shut down the entire machine or process. EXAIR Cabinet Coolers have no moving parts to wear out and do not require constant monitoring. All models are UL Listed and available in a large number of styles and cooling capacities.
Cooling capacity 6,9 bar supply pressure. Temperature control: No
NEMA 4 IP66 (splash resistant)
Model
Consumption l/min.
Cooling Watt
Capacity Kcal/h
Inlet
Sound Level dBA*
Dimensions mm
Electrical knockout
4750J (2 x 4625)
1416
996
857
1/2″
84
203 x 34
2 x 49 mm
4760J (2 x 4630)
1700
1171
1007
1/2″
84
203 x 34
2 x 49 mm
4770J (je 1x 4630/4640)
1983
1406
1209
1/2″
84
203 x 34
2 x 49 mm
4780J (2 x 4640)
2266
1640
1411
1/2″
85
203 x 34
2 x 49 mm
Cooling capacity 6,9 bar supply pressure. Temperature control: No
NEMA 4X IP66 (Stainless Steel)
Model
Consumption l/min.
Cooling Watt
Capacity Kcal/h
Inlet
Sound Level dBA*
Dimensions mm
Electrical knockout
4750SSJ (2 x 4625SS)
1416
996
857
1/2″
84
203 x 34
2 x 49 mm
4760SSJ (2 x 4630SS)
1700
1171
1007
1/2″
84
203 x 34
2 x 49 mm
4770SSJ (je 1x 4630SS / 4640SS)
1983
1406
1209
1/2″
84
203 x 34
2 x 49 mm
4780SSJ (2 x 4640SS)
2266
1640
1411
1/2″
85
203 x 34
2 x 49 mm
Cooling capacity 6,9 bar supply pressure. Temperature control: No
Dimensions
Model NEMA 4/4X small = Model 4608 + 4608SS
Model NEMA 4/4X large (except Model 4608 + 4608SS)
NEMA 12 small = Model 4008
NEMA 12 large (except Model 4008)
Accessories
Electronic Temperature Control
The digital Electronic Temperature Control (ETC) provides precise temperature control for your electrical enclosure. It can accureately maintain a constant temperature that is slightly under the maximum rating of the electornics, permitting just enough cooling for the electronics without going so cold as to waste compressed air. The LED readout of the ETC displays the internal temperature of the electrical enclosure (°C or °F) that is constantly being monitored by a quick response thermocouple. The control activates the solenoid valce (included) when the temperature setting is exceeded. The polycarbonate plastic enclosure of the ETC is suitable for NEMA 12, 4 and 4X environments.
ETC
Model
Description
9239
ETC, 240V, 50/60Hz, 1/4″ NPT
9259
ETC, 240V, 50/60Hz, 1/2″ NPT
Side Mount Kits
EXAIR´s Side Mount Kits make mounting on the side of an electrical enclosure possible when there is limited space on the top or side (NEMA 4 and 4X Cabinet Cooler Systems must be mounted vertically). The Side Mount Kits maintain the NEMA rating of large and small NEMA Type 12, 4 and 4X enclosures. They mount in a standard electrical knockout (1-1/2″ NPS). Side Mount Kits for NEMA 12 Cabinet Cooler Systems have an aluminum construction. Those for NEMA 4 and 4X Cabinet Cooler Systems are Type 303 or Type 316 stainless steel.
Side Mount Kits for Cabinet Coolers
Model
Description
4909
Side Mount Kit for NEMA 12 Cabinet Cooler small
4910
Side Mount Kit for NEMA 12 Cabinet Cooler large
4906
Side Mount Kit for NEMA 4 and 4X small
4907
Side Mount Kit for NEMA 4 and 4X large
Accessories
Accessories
Model
Description
4906
90° Side Mount Kit for NEMA 4/4X Cabinet Cooler, small
4907
90° Side Mount Kit for NEMA 4/4X Cabinet Cooler, large
4908
Hardware for Dual Cabinet Cooler
4909
Side Mount Kit for NEMA 12 Cabinet Cooler, small
4910
Side Mount Kit for NEMA 12 Cabinet Cooler, large
4902
Cold muffler
4904
Cold Air Distribution Kit large
4905
Cold Air Distribution Kit small
9017
Thermostat
ZI-EP4024
3/2 Solenoid Valve 24 V GS with Temperature control, 1/4″, flow rate 1300 l/min
ZI-EP4220_G1/4
3/2 Solenoid Valve 220…240 V with Thermostat, 1/4″, flow rate 1300 l/min at 2-8 bar
ZI-EP4220_G3/8
3/2 Solenoid Valve 220 V with Thermostat, 3/8″, flow rate 2600 l/min at 2-8 bar
ZI-EP4220_G1/2
3/2 Solenoid Valve 220 V with Thermostat, 1/2″, flow rate 4200 l/min at 2-8 bar
xxxx
For Filters and maintenance units please contact us.
