Dry and Adiabatic Coolers

AIA units are optimised for best balance between environment, economy and performance. The tube configuration is designed to work in a perfect harmony with modern environmentally friendly brine/refrigerants for a number of different applications including air conditioning, process, commercial and industrial cooling.

Jacir | GOHL has been a European market leader for more than half a century, combining its expertise in thermo-dynamics, innovative technologies, premium quality construction materials and state-of-the-art manufacturing processes to offer an extremly wide range of cooling towers for the HVAC, Industrial and power generation markets.

All AIA and Jacir | GOHL products fulfil and are certified to the Eurovent Programme.

Dry Air Coolers – Flat bed

Thanks to its unique modular concept the AIA X3 series can be offered in countless variations designed to meet each customer’s specific requirements.

The design is based on outstanding Gliding Coil concept, which guarantees that no stress damage occurs due to thermal movement. The Aluzink casing provides an aesthetic and corrosion resistant product. Two high-performance fins are available; Booster Fin and Industrial Fin. Each are offered in two different spacing’s; 2.1 and 2.4mm, providing unbeatable efficiencies.
The X3-series is produced with up to 14 fan modules. An extensive range of control systems, compact fans and EC fans provides a perfect suitability for both noise sensitive urban and industrial applications

Applications: Process cooling, air conditioning and commercial cooling
Cooling capacity: 20-1398 kW
Fans: Maintenance free compact fans with low noise level, alternative EC-fans
Coil: Aluminium fins with 12 or 16 mm copper tubes, fin spacing 2.1 or 2.4 mm
Casing: Unpainted Aluzink 185, corrosion class C4
Cooling media: Water/glycol mixes and others
Air direction: Vertical or horizontal
Accessories: Control systems, epoxy-coated fins, painted casing, extended legs, Dri-Batic water spray system including UV water treatment
Heat exchanger: pressure tested according to PED 97/23/EC

Motor options:

• 80Q1L - compact 925 min-1, EC type IP54 motors, 3/400V
• 91Q1L - compact 1000 min-1, EC type IP54 motors, 3/400V
• 91Q2L - compact 610 min-1, EC type IP54 motors, 3/400V
• 91Q3L - compact 480 min-1, EC type IP54 motors, 1/240V
• 100Q1L - compact 860 min-1, EC type IP54 motors, 3/400V
• 100Q1L - compact 760 min-1, EC type IP 54 motors, 3/400V

Motors are electrically connected to standard LSS – lockable safety switches as standard

Available options

• AP - Epoxy-coated aluminium fins
• CU - Copper fins
• Painted casing: RAL 7045 or special requirement
• Multiple sections coil
• Extended legs
• Lockable safety switches: incl. auxiliary contacts
• JBS2 - Common junction box including main switch and MCB's
• FRTCAL - Variable frequency fan speed regulation (AC Fans)
• ECC - EC communication system for EC motors (EC Fans) spped regulation via 0-10v (4-20mA on request)
• Flange connection PN10/16

Special options
• Marine quality aluminium (AlMg3)
• Electro-tinned copper fins
• Various fin spacing’s

Dry Air Coolers – V Bank

Thanks to its unique modular concept the AIA VX3 and VXX3 series can be offered in countless variations designed to meet each customer’s specific requirements.

Applications: Process cooling, air conditioning and commercial cooling
Cooling capacity: 35-1890 kW
Fans: Maintenance free compact fans with low noise level EC-fans
Coil: Aluminium fins with 12 or 16 mm copper tubes, fin spacing 2.1 or 2.4 mm
Casing: Unpainted Aluzink 185, corrosion class C4
Cooling media: Water/glycol mixes and others
Air direction: Vertical
Accessories: Control systems, epoxy-coated fins, copper fins, Dri-Batic water spray system including UV water treatment
Heat exchanger:  pressure tested Heat exchanger pressure tested according to PED 97/23/EC

Product Data

• Standard construction; copper tubes and aluminium fins
• The casing is produced in powder coated alukink 185 (corrosion class C4), RAL 7045
• Maintenance free and lubricated for life motors:

 Motor options:

• 80Q1L - compact 925 min-1, EC type IP54 motors, 3/400V
• 91Q1L - compact 1000 min-1, EC type IP54 motors, 3/400V
• 91Q2L - compact 610 min-1, EC type IP54 motors, 3/400V
• 91Q3L - compact 480 min-1, EC type IP54 motors, 1/240V
• 100Q1L - compact 860 min-1, EC type IP54 motors, 3/400V
• 100Q1L - compact 760 min-1, EC type IP 54 motors, 3/400V

 Motors are electrically connected to standard LSS – lockable safety switches

Available options

• EP - Epoxy-coated aluminium fins
• CU - Copper fins
• Painted casing: PC Special
• Lockable safety switches: LSX Incl. auxiliary contacts, WAC Wired auxiliary contacts
• JBS2 - Common junction box
• ECC - EC communication system
• R External thread
• F Flange connection PN10/16
• Water spray system Dri-Batic: DB0 – Spray kit excl. control valves, DB1 – Spray kit incl. control valves
• Y External manifolds (two connections)

Special options

• Marine quality aluminium (AlMg3)
• Electro tinned copper fins
• Wider fin spacing on request

Adiabatic Cooler - PAD type

EC fan, up to 1.5 MW cooling Model: TOPAZ

Operation using humidification pads that pre-cool the inlet air before reaching the finned coils.

• Operates in dry mode approx. 95 % of the year
• Water Treatment Free
• Legionella Free, full accessibility and maintainability
• No risk of scaling over the coils
• Up to 95% water savings, offered with a water recycling pump
• Plume Free
• Low Operating Costs
• Easy Maintenance
• Offers high chiller efficiency when compared to dry coolers
• Wide free cooling and dry cooling mode
• Plug-and-cool with electric panel and communication to the BMS
• The coils are Eurovent-certified
• Possible option to adapt humidification pads to existing dry coolers.