Chiller Retrofitting

Chiller retrofitting of a bespoke ‘v’ type condenser being lifted into place with a forklift truck
A new condenser has increased the lifespan of the chiller by at least 5 years

Chiller Retrofitting

0161 370 7193

service@maximuschillers.com

Contact Form

Chiller retrofitting is a prudent choice as the cost of a new chiller is expensive, not to mention the installation costs. This money can be spent on driving your business to the next level. We at Maximus Chillers are adept at retrofitting any part to your chiller. We will retrofit your chiller to the same efficiency as new plant.

Chiller Condenser Retrofitting

Any size and thickness of condenser can be built to your bespoke specifications. Standard and micro channel condensers are made to measure then delivered to site.

Chiller Evaporator Retrofitting

Shell and tube evaporators and plate heat exchangers are selected and matched to the exact approach and superheat specifications of the existing plant.

Metering Device

All manuals are available to our highly trained engineers for the selection of expansion valves and ammonia float valves.

Component

Solenoid valves, fans, flow switches, oil heaters, compressors etc. are available often same day.

Low GWP Refrigerant

Alternative Refrigerants are available to drop in to your existing plant. Our engineers can adjust the subcooling and superheat values to keep your plant running seamlessly as before.

Chiller Controls Retrofitting

In our controls laboratory, controllers and PCB’s are repaired or the software downloaded into a new controller: visit chiller upgrade to read more. We also have the capability to fit new, state of the art, inexpensive controllers with all the associated sensors, transducers and relay boards to any machine.

0161 370 7193

service@maximuschillers.com

Contact Form

Why Choose Us?

National and Global

We have a network of engineers at locations around the UK, so an engineer is only a couple of hours away. Around the world, we have a network of customers as we extend the life of plant- saving the cost of replacement.

Any Chiller- Any Problem- Any Part- Any Refrigerant- Anywhere- The MAXIMUS ADVANTAGE™

Engineers Second to None

Each engineer has attended 4 years at college to achieve NVQ 3/ City&Guilds Complex Systems. Our engineers are trained in the safe handling of HFC, HFO and Ammonia.

Reliable Service

If the job is on the calendar: you are the Number 1 priority. We will not pull an engineer off the job because of another job.

What We Offer

Chiller retrofitting provides massive cost savings on the purchase of new plant.

No installation costs.

Seamless operation of your existing plant through exact match chiller retrofitting.

Same efficiency as a new chiller by fitting variable speed drives and the use of low GWP refrigerants.

No CO2 emissions in the construction of new chillers. This amount is never included in the efficiency figures of a new chiller.

Chiller Retrofitting Case Study

We retrofitted the chiller ‘v’ condenser in the picture. See below for the start to finish operation…

Site Survey

Our engineers attended site to take measurements and photos, these were then returned to our factory.

Chiller Retrofitting Design

The exact chiller retrofitting design specifications of subcooling and air flow rate were worked out by our computer software. This was to ensure that the new condenser had the same performance characteristics as the old one.

The Chiller Lid and Condenser Removal

There was no refrigerant in the system due to the leak. This saved the time taken for the decant process. The 2 fan decks were bolted onto the chiller lid. The bolts around the chiller lid were removed and the fan wiring disconnected. Lifting accessories were set up and a forklift truck was used to lift the lid clear of the chiller and taken to a storage area.

Adapting and Replacing the Condenser

The 5mm bottom flange, running along the new condenser had to be cut at the points where it attached to the frame of the condenser. This had not been considered during the design phase as it was concealed from view by the condenser. Lifting equipment and a forklift truck located both halves of the ‘v’ condenser into place.

Brazing of Discharge and Liquid Pipes

The discharge and liquid stubs from the new condenser come complete with test ports from the factory. These test ports were used for the factory strength test of 26 bar. The condensers had been shipped with a 2 bar holding charge. The stubs were cut to size and the existing pipework married into the new. The brazing job went seamlessly, ready for the next phase of the job…

BSEN 378 Leak Tightness Testing

This standard of pressure testing requires a steel braided hose and ¼ turn shut off valve. The leak tightness test was carried out according to standard industry guidelines

The Drying Out Process

This was conducted overnight as there is nothing more boring than watching a Torr gauge slowly coming down. Our engineer returned in the morning to a vacuum of 1.5 Torr. This is the same pressure as if the Torr gauge were to be fitted directly on to the vacuum pump.

Subcooling Analysis

A fan speed controller is fitted to the machine which speeds up with increasing pressure. During run testing: refrigerant was charged into the liquid side of the evaporator. This, in turn, increased the pressure in the condenser. The subcooling value increased to the optimum level and the machine went back into operation.

Read more about condenser retrofitting in our Blog | Click Here

 

Next Steps...

Talk to our technical support engineer about the project on 0161 370 7193

Drop us a line to service@maximuschillers.com

Our Contact Form works and is monitored- try it!

Call Out

Schedule a site visit today!


Translate