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Neslab

HX 750 Chiller

Lab & Support EquipmentNeslab HX 750 family
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The Neslab HX 750 Chiller is a process chiller. The Neslab HX 750 Chiller offers air- or water-cooled condenser configurations. The Neslab HX 750 Chiller is specified with 24,000 watts of cooling capacity at 20°C.[1][2]

HX 750 Chiller — Inventory photo
Fig. 01HX 750 ChillerInventory photo[3]

Power

24,000 watts[1]

Vacuum

23 GPM[2]

What it is

The Neslab HX 750 is a recirculating chiller with air-cooled or water-cooled condenser options, three-phase power, and a temperature range from five degrees Celsius to thirty-five degrees Celsius.[1][2]

How it works

The HX 750 uses a refrigeration-based cooling loop with pump selection to match pressure and flow requirements.[2][1]

Why won't it start?

Documented failure modes, common issues, and field considerations.

  • Needs heat exchanger to operate

What do the numbers mean?

Power & electrical13

Cooling capacity at 20°C
24,000 watts[1]
Accurate?
Pump performance, 60 Hz, Pump 1
23 gpm at 50 psig (TU 9)[1]
Accurate?
Pump performance, 60 Hz, Pump 2
19 gpm at 50 psig (CP 75)[1]
Accurate?
Power requirements, 60 Hz
208-230V 3ø/460V 3ø[1]
Accurate?
Cooling capacity at 20C
24,000 Watts[2]
Accurate?
Available voltage
200-230V/460 3 Ph[2]
Accurate?
Cooling capacity at 20°C, 60 Hz
24,000 watts[1]
Accurate?
Cooling capacity at 20°C, 50 Hz
19,920 watts[1]
Accurate?
Pump performance, 50 Hz, Pump 1
16 gpm at 50 psig (TU 9)[1]
Accurate?
Pump performance, 50 Hz, Pump 2
10 gpm at 40 psig (CP 75)[1]
Accurate?
Power requirements, 50 Hz
380-415V 3ø[1]
Accurate?
Refrigerant, 60 Hz
R404A[1]
Accurate?
Refrigerant, 50 Hz
R404A[1]
Accurate?

Vacuum & pumping2

Flow rate at 20ºC / 50 PSI (TU9 Pump)
23 GPM[2]
Accurate?
Flow rate at 20ºC / 50 PSI (CP75 Pump)
19 GPM[2]
Accurate?

Dimensions & facilities1

Unit weight
971 lb / 440.4 kg[1]
Accurate?

Configuration & options12

Needs heat exchanger to operate[3]
Accurate?
Model
HX 750[3]
Accurate?
Standard temperature range
5°C to 35°C[1]
Accurate?
Condenser
air or water cooled[1]
Accurate?
Temperature range
5C to 35C[2]
Accurate?
Ambient temperature range
13°C to 35°C[1]
Accurate?
Stability
±0.1°C[1]
Accurate?
Reservoir size
40 gallons / 151.4 liters[1]
Accurate?
Plumbing connections, inlet/outlet process
1" FNPT[1]
Accurate?
Plumbing connections, inlet/outlet facility
1" FNPT[1]
Accurate?
Plumbing connection, drain
1/2" FNPT[1]
Accurate?
Plumbing connection, auto refill
3/8" OD SS barb[1]
Accurate?
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Cooling capacity at 20°C24,000 watts[1]
  • Pump performance, 60 Hz, Pump 123 gpm at 50 psig (TU 9)[1]
  • Pump performance, 60 Hz, Pump 219 gpm at 50 psig (CP 75)[1]
  • Power requirements, 60 Hz208-230V 3ø/460V 3ø[1]
  • Cooling capacity at 20C24,000 Watts[2]
  • Available voltage200-230V/460 3 Ph[2]
  • Flow rate at 20ºC / 50 PSI (TU9 Pump)23 GPM[2]
  • Flow rate at 20ºC / 50 PSI (CP75 Pump)19 GPM[2]
  • Cooling capacity at 20°C, 60 Hz24,000 watts[1]
  • Cooling capacity at 20°C, 50 Hz19,920 watts[1]
  • Pump performance, 50 Hz, Pump 116 gpm at 50 psig (TU 9)[1]
  • Pump performance, 50 Hz, Pump 210 gpm at 40 psig (CP 75)[1]
  • Power requirements, 50 Hz380-415V 3ø[1]
  • Refrigerant, 60 HzR404A[1]
  • Refrigerant, 50 HzR404A[1]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Frequently asked questions

What temperature range is specified for the HX 750?

The HX 750 has a standard temperature range of 5C to 35C.[1][2]

What cooling capacity is specified for the HX 750?

The HX 750 has a cooling capacity of 24,000 watts at 20C for 60 Hz operation and 19,920 watts at 20C for 50 Hz operation.[1]

What condenser configurations are specified for the HX 750?

The HX 750 is specified with air-cooled or water-cooled condenser configurations.[1][2]

What pump performance is specified for the HX 750?

The HX 750 is specified at 23 gpm at 50 psig with a TU 9 pump and 19 gpm at 50 psig with a CP 75 pump for 60 Hz operation.[1]

Not publicly documented

The following facts about the HX 750 Chiller are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the HX 750 Chiller are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • No publicly documented variants, configuration options, or revision breakpoints of the HX 750 Chiller are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the HX 750 Chiller are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • The process node or technology generation of the HX 750 Chiller is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the HX 750 Chiller are on record.

    Answerable by: an OEM parts catalog or a service engineer

Sources & citations

Sources (4)Every fact above is drawn from these public sources
  1. [1]industrial-stores.com — industrial-stores.comindustrial-stores.com
  2. [2]trilliumus.com — trilliumus.comtrilliumus.com
  3. [3]Inventory photo
  4. [4]Inventory photo
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Last updated Oct 13, 2026.

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