Mission Critical Climate Control and Data Center Cooling Systems
Koch Applied Solutions partners with STULZ (for the states of Indiana and Kentucky) and ClimateWorx (for the states of Missouri and Illinois) to offer data center cooling systems and critical climate system solutions for dependable applications.
Developed and manufactured in the USA, STULZ precision air conditioning equipment meets the very highest standards of quality and exceptionally stringent testing criteria. STULZ offers Traditional Room Cooling using Air Conditioners (CRAC) and Air Handlers (CRAH), outdoor mounted air handlers, modular/containerized cooling, and more.
ClimateWorx International is focused on the research, design, manufacture, and application of precision air conditioning equipment providing reliable mission critical climate control. They meet application needs with vertical floor mount, wall mount, ceiling mount, and plenum systems fan units.
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Stulz Data Center Cooling Systems
CyberAir CW and DX perimeter mounted cooling solutions control conditions in data centers with optimal precision, reliability, and energy efficiency. There is an air conditioner (CRAC) or air handler (CRAH) for almost any mission critical application with 20 kW – 1,080 kW of cooling capacity.
Chilled Water (CW)
- Largest capacity perimeter CW air handlers in the industry
- Fewer units at higher capacity can significantly reduce capital cost and operating cost
Direct Expansion (DX)
- DX Systems provided with highly efficient and reliable low noise scroll compressors
- Optimized AWS/Free-cooling coils to closely match DX cooling capacities, increasing energy savings opportunities
High Capacity CRAC Dual Circuit DX Systems CRAH Single & Dual CW Systems kW 20-105 60-1,080 MBH 70-360 200-3.680 Tons 6-30 15-305 CFM 900-15,000 4,800-90,000 Technical data is subject to change without notice.
STULZ offers solutions to the challenges of restricted space, electricity consumption and high heat loads. These systems guarantee efficient, demand-based and reliable air conditioning of mission-critical equipment.
- Large and hyper scale data centers
- Free Cooling
- IT Sector
- Does not need raised flooring
- Indoor installation
- Low pPUE values
- Lowest AER ( Airflow Efficiency Ratio ) Values and therefore conduction with maximum efficiency
- Supply Air temperature within the range recommended by ASHRAE TC 9.9 guidelines
- Best price-performance ratio
- Compact footprint yet maximized cooling capacity
Technical Data CAH-0100 CAH-0200 Cooling Capacity (kW) 100 200 Airflow (ft^3/min) 12,500 25,000 Weight (lbs) 2,800 5,600 Dimensions (in) 59.1×94.5×61.4 118.1×94.5×61.4 CeilAir is the most complete line of ceiling mounted data center cooling solutions in the industry, with a vast array of chilled water (CRAH) and direct expansion (CRAC) solutions.
- Smaller capacity models easily mounted into standard ceiling
- Wide range of options for DX or CW
- Highly efficient EC Fans in certain models
- DX systems with independently circuited, high efficiency, high reliability, and low noise scroll compressors
- Fully accessible in place through easily removable side access panels
- Spot cooler and ducted configuration
Cooling capacity (kW) 3.5 – 35 Air conduction Upflow, Downflow, Downflow with outlet front/back/down Airflow volume (m³/h) 4,000 – 32,000 Dimensions Height (mm): 1,980 – 2,495 Widths (mm): 950 – 3,110
Depths (mm): 890 – 980
Cooling systems Air-cooled (A/AS), Water-cooled (G/GS), Hybrid Free Cooling system (GE/GES),
Chilled water system with redundant
air-cooled system (ACW/ASCW),
Chilled water system with redundant
water-cooled system (GCW)
Refrigerants R407C (GWP: 1,774) 
Engineered for complete front service access, CyberOne EC systems are easily tucked into a corner, between cabinetry, or side-by-side. CyberOne units are especially adaptable to raised floors and are available in upflow and downflow air pattern configurations.
- Adjustable air volume
- Power correction included
- Easily tucked into a corner or between cabinetry.
- Adaptable to raised floors
- Can be up-flow or down-flow
Model Capacity Cabinet Size H” x W” x D” Up-Flow Down-Flow COS-024, 042, 060-( ) 7 – 19 kW 76 x 31 x 30 82 x 31 x 30 COS-096, 120-( ) 26 – 38 kW 76 x 39 x 34 82 x 39 x 34 Technical Data subject to change without notice.
ModulAir computer room air conditioners are created by combining two CyberOne single compressor systems to create a dual compressor 26 – 76 kW system. This high capacity system has a compact footprint and is ideal for difficult rigging applications. It’s modular design offers easy installation and rigging, as well as redundancy.
- DX-Air, Water, Glycol-Cooled
- Upflow and Downflow systems
- Microprocessor Control
- 100% front service access
- High efficiency scroll compressor
- R407c
- Made in the USA
- 26 – 76 kW system
The MiniSpace EC series is an energy efficient and long-lasting series that provides precise, reliable and cost effective air conditioning for small equipment and server rooms. The units require little floor space, and their compact size means they can be integrated in existing server rooms without problem.
- Maximum cooling capacity with a minimal footprint
- High energy savings thanks to Direct Free Cooling
- Precise regulation of room temperature and air humidity
- Direct Expansion (DX) AND Chilled Water (CW)
- All panels are removable for additional convenience
- Cooling capacity: 4-12 kW
Cooling capacity total 4 kW – 12 kW Sizes 1 Air conduction Upflow, Downflow, Downflow with frontal outlet Refrigerant R410A Cooling systems Air-cooled system (A), Water-cooled system (G), Chilled water system (CW) 
Designed to provide total front service access, STULZ Compact Chilled Water (CWE) Systems can be tucked into a corner, placed side-by-side, or between cabinetry. These units are especially adaptable to raised floors and are available in a down-flow air pattern configuration.
- Seismically Rated
- High capacity chilled water system
- Energy saving EC Fan technology standard
- EC Plug Fan provides quiet operation, less vibration, adjustable air volume and optimized air distribution into raised floor to avoid hot spots
- State-of-the-art E2 Microprocessor with a range of BMS interface options
- Fan speed is continuously adjustable via a signal from the system controller without the use of VFD’s
- Up and down-flow air patterns
Model Capacity (kW) CCD-300 56 CCD-600, 900 98 – 128 CCD-1200 143 CCD-1800, 2300, 2300XL 157 – 222 CCD-2800 276 Technical data is subject to change without notice.
CyberRow solutions are ideal for high density, row-based data center cooling, in open and contained applications. This system provides intelligent airflow control for more efficient rack cooling, with or without containment.
- Suitable for server rack cooling in data centers with or without raised floor
- Water-side economizer for maximum potential savings
- Targeted cooling of high-density racks
- Can be used with racks from any manufacturer
- Cooling capacity (kW): 11 – 58
- Air flow direction: left and right, forward
Cooling capacity total (kW) 11 – 58 Air flow direction left and right, forward Airflow volume (m³/h) 3,200 – 11,200 Sizes 6 Dimensions Height (mm): 1,950
Width (mm): 300 – 600
Depth (mm): 1,200 – 1,375Cooling Systems Air-cooled (A/AS), Water-cooled (GS), Hybrid Free Cooling system (GES), Chilled water system (CW/CW2) Refrigerants R410A (GWP: 2,088) 
STULZ Duct and Air Handler Humidifiers are designed for use with central station air handling units and can be located conveniently in the air stream ductwork or rack mounted within the AHU itself.
- Mounts in moving air stream of AHU or ductwork
- Multiple humidifiers assembled on factory rack system
- Air velocity design similar to heating/cooling coils
- Factory accessories for optimized airflow and mist control
- Absorption distance determined by RH of airstream
lbs/hr 5.3 – 39.6 kg/hr 2.4 – 18.0 Technical date is subject to change without notice.
ClimateWorx Data Center Cooling Systems
Vertical Floor Mount Systems
ClimateWorx’ Series 6 has a compact six square foot footprint and is available in various configurations in air-cooled, water-cooled, glycol-cooled, or chilled water systems.
Reheat Options
- Optional upsize SCR controlled electric reheat
Cooling Modes
- Air Cooled DX
(Split or Packaged) - Water Cooled DX
- Glycol Cooled DX
(DX in R407C) - Chilled Water
Configurations
- Up Flow
- Down Flow
Features
- System Housing: Compact modular design with small footprint. Fully serviceable through the front hinged panels. Frame is heavy gauge steel, finished with durable epoxy powder paint.
- Control System: Advanced microprocessor precision control system with large touch screen graphic LCD display. Multi-functional Co-WorkTM control system is network ready for up to eight units; includes PID control; alarm and event log; graphic trending of temperature and humidity; continuous room and unit status display.
- Refrigeration System: Features high EER scroll compressor, high efficiency slab cooling coil. Refrigeration system is available for operation on R22, or non-ozone depleting R407C, using reliable components.
- Electric Reheat: Low watt density tubular finned electric heaters with SCR control.
- Dehumidification: Split evaporator coil design allows for rapid moisture removal, coupled with SCR fully modulating heater control for energy savings and precise temperature control, even during dehumidification.
- Humidifier: Electrode boiler steam humidifier with automatic water level control auto adaptive control for operation on ordinary tap water.
The Series 8 offers versatile solutions in meeting your cooling requirements. Its modular design allows for flexibility in installation, as well as ease of service. Systems are available in air-cooled, water-cooled, glycol-cooled, and chilled water configurations.
Reheat Options
- Hot Water Reheat Coil
- Steam Reheat Coil
- Hot Gas Reheat Coil
Cooling Modes
- Air Cooled DX
- Water Cooled DX
- Glycol Cooled DX
(DX in R407C) - Chilled Water
Configurations
- Up Flow-Front or Rear Return (Option)
- Down Flow
Features
- System Housing: Heavy gauge, epoxy powder coated, bolted frame with insulated panels, providing easy service access. Ideally suited for installation in noise-sensitive areas.
- Control System: Advanced microprocessor precision control system with large touch screen graphic LCD display. Multi-functional Co-WorkTM control system is network ready for up to eight units; includes PID control; alarm and event log; graphic trending of temperature and humidity; continuous room and unit status display.
- Refrigeration System: Features high EER scroll compressor, with high efficiency A-coil. Refrigeration system is available for operation on R22, or non-ozone depleting R407C, using reliable components.
- Electric Reheat: Low watt density tubular finned electric heaters with SCR control.
- Dehumidification: Split evaporator coil design allows for rapid moisture removal, coupled with SCR fully modulating heater control for energy savings and precise temperature control, even during dehumidification.
- Humidifier: Electrode boiler steam humidifier with automatic water level control auto adaptive control for operation on ordinary tap water.
Series 9 is built with dual circuits for added redundancy. Due to the wide variety in product application requirements, the Series 9 offers a variety of systems to cater to all possible site conditions. Systems are available in air-cooled, water-cooled, glycol-cooled, and chilled water, including energy efficient dual land free cooling systems.
Reheat Options
- Hot Water Reheat Coil
- Steam Reheat Coil
- Hot Gas Reheat Coil
Cooling Modes
- Air Cooled DX
- Water Cooled DX
- Glycol Cooled DX
(DX in R407C) - Chilled Water
- Dual & Free Cool
Configurations
- Up Flow-Front or Rear Return (Option)
Features
- System Housing: Bolted panel and frame construction can be separated into smaller modules, ideally suited for retrofit installations. All components are serviceable through hinged panels. The framework is constructed of heavy gauge steel, internally lined with high-density insulation, and finished with durable epoxy powder paint.
- Control System: Advanced microprocessor precision control system with large touch screen graphic LCD display. Multi-functional Co-WorkTM control system is network ready for up to four Series 9 units; includes PID control; alarm and event log; graphic trending of temperature and humidity; continuous room and unit status display.
- Refrigeration System: Features dual high EER scroll compressors, with high efficiency A-coil. Refrigeration system is available for operation on R22, or non-ozone depleting R407C, using tried and tested components.
- Electric Reheat: Low watt density electric tubular finned heaters with SCR control.
- Dehumidification: Split evaporator coil design allows for rapid moisture removal, coupled with SCR fully modulating heater control for energy savings and precise temperature control, even during dehumidification.
- Humidifier: Electrode boiler steam humidifier with automatic water level control auto adaptive control for operation on ordinary tap water.
The P-Series air conditioner is configured around the use of EC direct drive plenum fans. These fans are not only more energy efficient than centrifugal blower fans, but due to their floor placement they create a uniform underfloor pressure which eliminates hot spots.
If poor air distribution to your mission critical equipment is your largest design issue, the P-Series air conditioner will meet your needs.
Cooling Modes
(2-50 Ton Units)
- Chilled Water
- Dual Chilled Water
(2-30 Ton Units)
- Air Cooled DX
- Water Cooled DX
- Glycol Cooled DX
- Dual & Free Cool (DX in R407C)
Configurations
- Down flow
- Up flow
(Series P)AIR FLOW
Available air flow configurations below:
(PS6 Series)
The ClimateWorx IRX12 is a 12 inch wide precision air conditioning unit placed within a row of heat generating IT equipment. It performs functions such as cooling, air filtration and condensate management. It can be used either as a stand-alone unit to cool a row of equipment, or as a hot spot cooler to support CRAC units. The IRX12 is suited for high-density, critical environments such as computer rooms, telecommunication facilities, LAN/WAN network environments and medical equipment rooms.
Options
- Reheat (24″)
- Humidification (24″)
Cooling Modes
- Water Cooled DX
- Air Cooled DX
(DX in R410A) - Glycol Cooled DX
- Chilled Water
Configurations
- Rear to Front Flow
- DX in R410A (12″)
High Density In-row Cooling
In-row configuration for compact footprint and maximum flexibility.
Cooling Modes
- Water Cooled DX
- Glycol Cooled DX
- Air Cooled DX
- Chilled Water
Configurations- Rear to Front Flow
- DX in 401A
Features
- 3 Ton High Density Cooling – 12″ wide In-Row configuration ideally designed to neutralize hot spots.
- Compact Footprint – The Series IR air conditioner’s compact dimensions minimizes floor space footprint.
- Maximum Flexibility – The Series IR installs entirely above floor, which is ideal for low ceiling and non-raised floor cooling configurations.
- Spot Cooling – Ideally suited to combat hot spots as a support to existing cooling systems.
- Row based cooling – Positioned in the row, the Series IT performs well as both a standalone air conditioner or in conjunction with our hot or cold aisle containment system.
- Control Module – Programmable LCD, network compatible and microprocessor controlled.
ClimateWorx Data Center Cooling Systems
Wall & Ceiling Mount Systems
The Series 7 is designed for efficient use of space, coupled with effective, high sensible cooling ideally suited for equipment cooling applications. The Series 7 is available in air-cooled, water-cooled, and glycol-cooled split systems, or with a chilled water configuration.
Cooling Modes
- Air Cooled DX
- Water Cooled DX
- Glycol Cooled DX
- Chilled Water
(DX in R407C or R410A)
Configurations
- Front Supply, Front Return
- Split Systems with Remote Condensing Units
Reheat Options
- 1kW or 2kW
Features
- Control System (Three levels of control available):
- Advanced microprocessor precision control system with large touch screen graphic LCD display, including multi-functional Co-WorkTM control. The system is network ready for up to eight units; includes PID control; alarm and event log; graphic trending of temperature and humidity; continuous room and unit status display.
- ClimateWorx-Siebe Network Controller, designed for use in cooling-only network applications. Ideally suited for remote telecom shelters.
- Single unit thermostat is also available.
- System Housing: The indoor unit is constructed of heavy gauge steel, and finished with durable epoxy powder paint for maximum strength and durability. Hinged panels provide full service access.
- Refrigeration System: Features high EER scroll compressor, high efficiency slab cooling coil. Refrigeration system is available for operation on R22, or non-ozone depleting R407C.
- Electric Reheat: Optional 1KW tubular finned electric reheat available.
- Humidifier: Optional 5 lb/hr electrode boiler steam humidifier with automatic water level control auto adaptive control for operation on ordinary tap water.
The Series 11 allows for efficient use of space, along with effective, high sensible cooling ideally suited for equipment cooling applications. The Series 11 is available in air-cooled, water-cooled, and glycol-cooled split systems, or with a chilled water configuration.
Cooling Modes
- Air Cooled DX
- Water Cooled DX
- Glycol Cooled DX
- Chilled Water
(DX in R407C or R410A)
Configurations
- Front Supply, Front Return
- Split Systems with Remote Condensing Units
Reheat Options
- 1kW or 2kW
Features
- Control System (Three levels of control available):
- Advanced microprocessor precision control system with large touch screen graphic LCD display, including multi-functional Co-WorkTM control. The system is network ready for up to eight units; includes PID control; alarm and event log; graphic trending of temperature and humidity; continuous room and unit status display.
- ClimateWorx-Siebe Network Controller, designed for use in cooling-only network applications. Ideally suited for remote telecom shelters.
- Single unit thermostat is also available.
- System Housing: The indoor unit is constructed of heavy gauge steel, and finished with durable epoxy powder paint for maximum strength and durability. Hinged panels provide full service access.
- Refrigeration System: Features high EER scroll compressor, high efficiency slab cooling coil. Refrigeration system is available for operation on R22, or non-ozone depleting R407C.
- Electric Reheat: Optional 1KW tubular finned electric reheat available.
- Humidifier: Optional 5 lb/hr electrode boiler steam humidifier with automatic water level control auto adaptive control for operation on ordinary tap water.