What the 100kW hire chiller is built to do
This unit is a temporary industrial water chiller designed to keep process temperatures steady when your permanent system is under pressure or out of service. It is used where even a short rise in coolant temperature can affect product quality, cycle times or equipment life.
For plants in Alberton, Johannesburg, Pretoria, Durban, Cape Town and Rustenburg, a hire chiller is often the quickest way to restore control while repairs, upgrades or expansion work is carried out. It can be connected to a closed-loop process, a buffer tank or a heat exchanger circuit depending on the site arrangement.
The unit is supplied for industrial duty, not light commercial use, and it is set up to handle demanding operating hours. That makes it suitable for mould cooling, laser cooling and general process line support where temperature stability matters.
Typical applications and site conditions
The 100kW size suits medium to large cooling loads where the existing plant is offline, undersized or being upgraded. It is commonly used in manufacturing sites, packaging plants, plastics facilities, laser cutting operations and food-related process areas that need controlled water temperature.
- Laser equipment that needs stable coolant flow and temperature control
- Moulds and dies where cycle times rise when cooling drops off
- Process lines that heat up during long shifts or summer peaks
- Temporary bypass cooling during planned shutdowns or tie-ins
- Emergency cover after pump failure, compressor faults or condenser issues
Coastal humidity in Durban and salt-laden air in Cape Town can place extra strain on cooling equipment, while dusty inland sites may need more frequent filter and coil checks. In many plants load-shedding also changes how and when the unit must run, so start-up planning matters.
Sizes, options and operating configuration
Although this page focuses on the 100kW hire chiller, we can assist with matching the unit to the real load on site. The right choice depends on flow rate, inlet and outlet temperatures, pipe size, distance to the process and whether the system is air-cooled or water-cooled on the plant side.
Options can include flexible hoses, isolation valves, strainers, glycol mixing where required, and temporary pipework for direct-to-process or buffer-tank connection. If the site needs staged cooling, the unit can be run with set temperature control to prevent overcooling and unnecessary compressor cycling.
- 100kW nominal cooling capacity for temporary industrial duty
- Stable chilled water supply for continuous production periods
- Adjustable setpoint control for process-specific temperature targets
- Suitable for direct connection or via a buffer tank arrangement
- Can be paired with temporary pipework and transfer hoses
Installation, power supply and site requirements
Before delivery, the site should have clear access for positioning, enough space for airflow around the unit and a suitable hardstanding area. The chiller must sit level and close enough to the process to keep pipe runs practical. Long hose runs can create pressure loss, so site layout should be checked before the booking is confirmed.
Power supply is a key item. Most industrial hire chillers need a stable electrical connection with the correct protection, isolator and cable size for the load. In many cases the supply arrangement must be checked by a qualified electrician before the unit arrives. If the site has generator support, the generator must be sized properly for starting current and running demand.
Water quality matters too. Poor water treatment can cause scaling, blocked strainers and premature pump wear. If the system uses untreated borehole water or mixed make-up water, we will usually recommend a water treatment check before commissioning.
Care, servicing and keeping the unit reliable
A hire chiller is only as good as the site conditions around it. Regular checks on flow, temperature, pressure and water quality help prevent avoidable stoppages. Dust, packaging debris and poor ventilation can reduce heat rejection, while neglected strainers can starve the pump and trigger alarms.
Our team can assist with preventative maintenance during the hire period, plus breakdown support if the unit is tied into a critical process. If the site experiences a fault, we first check controls, sensors, pumps, refrigerant circuit and water side issues to find the actual cause rather than just resetting alarms.
- Inspect strainers and filters regularly
- Keep the condenser area clear of dust and obstruction
- Check for leaks, unusual vibration or low flow alarms
- Confirm setpoint and process temperature readings daily
- Review power stability during load-shedding periods
What to check before you order
When ordering a 100kW hire chiller, give us the process details upfront so the unit can be matched correctly. The wrong size or connection arrangement can cost time on site and may not solve the problem if the load is higher than expected.
Please have the following information ready:
- Required cooling load or the equipment that must be cooled
- Target inlet and outlet water temperatures
- Required flow rate and pipe connection sizes
- Site address, access details and available set-down area
- Power supply details and whether generator backup is available
- Whether hoses, pipework or a buffer tank are needed
If the unit is supporting lasers or moulds, tell us the make of the process equipment and any alarm limits that must be respected. That helps us plan commissioning properly and avoid unnecessary downtime.
Servicing coverage across South Africa
Raynen supplies and services industrial water chillers from our base in Alrode, Alberton, with support into Johannesburg, Pretoria, Durban, Cape Town and Rustenburg. We also cover Germiston, Boksburg and surrounding industrial areas, which helps when a plant needs fast response during an outage or planned shutdown.
Our team includes Lerato Mokoena, Sibusiso Dlamini, Anika Naidoo, Pieter Joubert, Nomsa Khumalo and Thabo Maseko, with support led by Riaan van der Merwe. The team handles installation, commissioning, repairs and temporary cooling set-ups for short-term or longer projects.
For urgent temporary cooling, the enquiry form on our contact page is the simplest way to send through the site details and load requirements.
Key facts
| Nominal cooling capacity | 100kW |
|---|---|
| Application | Temporary industrial process cooling |
| Typical use | Lasers, moulds and process lines |
| Temperature control | Setpoint controlled chilled water supply |
| Power requirement | Site specific, confirm on enquiry |
| Connection setup | Direct process tie-in or buffer tank arrangement |
