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Blogs

Armcor Low Level Terminal Connections

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Blogs

How to select ERV equipment like an expert?

A common mistake in purchasing HVAC/ERV equipment is the failure to consider that it is not one-time purchase. The reality is your choice will have a long-term impact affecting life cycle cost and your professional reputation. Here is a simple checklist to assist in understanding the five vital quality considerations.

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Blogs

How does a Condenser Fan Controller-SM420 work?

On a demand for cooling, a 24v signal is sent to the SM420 which starts the condenser fan at 70% fan speed for one minute. After one minute of operation and the refrigeration circuit will have stabilized, the controller will sense from the temperature probe on the Compressor 1 liquid line.

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Problems

What are the common mistakes of HVAC contractors?

Airconditioning contracting is a highly competitive and exacting business. Not only do you have to try to beat your competitor quotes, but you also have to maintain a high standard of work on very tight and sometimes seemingly impossible deadlines. Even the smallest mistakes can end up costing you not only money but future business opportunities.

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VS / Comparisons

Compressors - What are the key differences?

Fixed Speed Compressor - A fixed speed compressor has an on/off motor which drives the reciprocating or scroll compressor. It is either on or off giving 100% capacity or no capacity. The control system can turn the compressor on when there is a requirement for the operation causing the refrigerant to flow through the system.  Although there is more advanced and efficient technology, fixed speed compressors remain popular due to the lower capital cost and simplicity of operation as a tried and tested solution.

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VS / Comparisons

Enthalpy Vs Sensible Media

To understand the principle of energy recovery it is necessary to recognise the relationship between Sensible Heat, Latent Heat and Enthalpy. The energy in our air comprises:

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Blogs

What Application Requires Fresh Air?

The average adult male's lungs can hold a maximum of 6 litres of air, according to the American Lung Association. This includes air from a normal breath, plus extra air you can force in, additional air you force out after a regular exhalation, and any air left in the lungs after all that. The association estimates that you consume 7,500 litres of air per day.

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Blogs

What is ERV, HRV, AHU etc?

The world is full of acronyms which we are all supposed to understand without anyone explaining to us. Let’s start with a few of those we commonly use in the Fresh Air sector of the Heating, Ventilation & Air Conditioning (HVAC) industry.

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Problems

What is an ERV?

Energy Recovery in HVAC is a common expression used when energy that would otherwise be wasted is transferred back into the system. Whenever fresh outdoor air is introduced into a building, it results in the same volume of air being exhausted.  This conditioned exhaust air carries with it heat which can be recovered and transferred to the incoming fresh air.  This process is called ‘energy recovery’ or ‘heat recovery’

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Problems

How do we safely lift commercially big units?

Many ERVs are designed as part of HVAC systems to be installed on rooftops or accessible only by lifting the unit into position with a crane. Contractors should only use reputable and experienced crane operators and consider all WHS requirements and safe work practices,  This includes, but is not limited to the following instructions.

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Best

Does anyone manufacture 'Australian Made' 100% Fresh Air Equipment?

Australian Made products provide customer security and mitigate the supply chain risk for critical projects. While many equipment suppliers have looked to imported products, Armcor have been steadily continued to manufacture Australian Made equipment with:

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Problems

How to maintain your ERV units?

It is important to understand that all equipment needs servicing. Any equipment that has air passing through it will require some cleaning as all air carries dirt particles which tend to lodge on surfaces as the air passes through. It is imperative that all units with Energy Recovery Media have accessible filters on both the fresh air and return air inlets.

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Problems

How long does it take to manufacture an Airconditioning Unit?

A common question that is asked is – “How long will it take to get my unit made?” The answer is - It depends on:

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Problems

What information is required if a HLI System is inbuilt into an Armcor unit?

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Blogs

Why ERV units are not generally used for Residential purposes?

Energy Recovery Ventilation Units are popular in residential situations in the northern hemisphere climates where there are very cold (minus temperatures) for long periods of the year. In these conditions homes are very well insulated and sealed to prevent loss of heat and minimises fresh air entry.

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VS / Comparisons

What are EC Plug Fans and why are they more efficient?

An Electrically Commutated (EC) plug fans use a brushless EC motor in a backward curved motorized impeller (plug fan). The EC motor is actually a DC motor that can be connected to an AC supply line, due to a rectifier internal to the motor drive. Speed control is achieved by varying the control voltage from 0 - 10 VDC.

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Blogs

How to correctly pressure test and evacuate an Armcor Split System

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