Tag: Air Conditioning system

A/C Systems – How a simple inspection can save

RedDot

Tech Tips From RedDot – 
Heavy-duty A/C components rarely fail. In fact, the system fails the components because of contaminated refrigerant oil and general lack of preventive maintenance.

One of the best ways to improve uptime and reduce maintenance costs for the customer is to promote a basic visual check of major A/C components, hose connections, and fittings at regular intervals, like with every engine-oil change. This inspection routine has another benefit: it can generate business for your parts and service department. 

Many A/C components are consumable items. It’s more cost-effective to replace them than to repair them. So preventive maintenance is an opportunity to sell a range of OEM-quality all-makes replacement parts for the air conditioner. Here are some examples:

1. RECEIVER DRIERS

The receiver-drier’s moisture indicator provides a quick visual cue about the refrigerant’s condition: a blue dot means the refrigerant is dry; pink, white, or grey indicates acid or moisture in the system. Checking the sight glass during an oil change or any scheduled maintenance procedure means the truck can receive necessary service while it’s there in the shop, before moisture and acid damage critical A/C components and lead to a failure on the road.

2. CONDENSERS

Dust, bugs, feathers, and other debris collect on the face of fins and tubes and act as a thermal barrier, making it hard for the condenser to shed heat. Condensers also fail because of vibration, which can cause hose connections to come loose and fatigue the condenser tubing adjacent to the fittings. Every 12 months, the condenser should be cleaned (taking special care not to bend or damage the fins) and the hose connections securely clamped.

3. COMPRESSOR/CLUTCH ASSEMBLY

The compressor provides the mechanical energy to circulate refrigerant and manipulate the pressure inside the system. It’s the heart of the A/C system, and the No. 1 HVAC maintenance expense item. Excessive noise and poor cooling performance are the two most obvious symptoms that a compressor is failing. Replacing the compressor involves pulling down the system, which adds refrigerant recovery and recharge to the repair cost.

Next time you see, “A/C won’t blow cold air” on a work order, note that the repair and downtime probably could have been avoided with a simple visual inspection of the truck’s air conditioning system. Any time you change the truck’s oil, check the A/C.

Arctic Traveler Canada is a master distributor and technical service expert for RedDOT. Call us today at 1-800-295-4156 for more HVAC solutions.

October Newsletter

Hello and Welcome to Fall. We hope you had an enjoyable summer.

If you haven’t already read it, MACS (Mobile Air Conditioning Society) member profile for September/October is ATC. This worldwide blog has been consistently honoured as one the best B2B automotive aftermarket blogs. Read the full interview with our company president for further insights into our world.

As the heating season approaches, the big news is the launch of the Eberspaecher Hydronic S3 heater. Thanks to its compact dimensions and flexible installation options, this state of the art heater impresses! Read the full details here to see how this little wonder works and watch the video on our youtube channel ATCTV While there check out the Airtronic Intro & Basics and the Hydronic Purpose and Function videos. 

ATC.ca is your gateway to so much. The Product Line page provides catalog downloads with pictures, overviews and specs. Our blog ATCNEWS is where you’ll find best practices, technical tips and product knowledge. This months feature is ESPAR Pre-season Maintenance tips for Airtronic & Hydronic Heaters and a Red Dot tech tip on Why you should do wintertime Preventative Maintenance on your A/C system? Find out more here. 

ATCNEWS has categories like A/C 101, Did you know, Heating, Tech Tips or vendor specific like Espar & RedDot. Missed something from a previous Newsletter? Not to worry,  ATCNEWS is searchable.

From 16-65,000 BTU’s, we carry a variety of mobile heating solutions to supplement your Gas or Diesel needs and provide you hours of comfort. To view some of our heating solutions, click here.

We want to take this opportunity to remind you of our Parts ordering email atcparts@atc.ca or call us toll free at 1-800-295-4156, our Customer Service Representatives will be happy to assist you. 

The opinions expressed in this newsletter, do not necessarily reflect those of Arctic Traveler Canada.

Parts Look up, Ordering, and Long Distance ?!

The warm weather is here and with it, the start of another busy A/C season.

ATC CONNECT – Parts cross references and look-up made easy 
We continue to field and are happy to answer questions about this great new tool. Information on the top 2 questions can be found right here..How to Get Access and How To Use. The other most frequently asked question is about on-hand inventory. This update is completed overnight and ATC CONNECT displays the current inventory levels at the start of the day. As orders are placed and stock is depleted, if you need it, call or email us to order it. Remember the primary function of ATC CONNECT is parts cross reference and look up.

Parts Ordering via email 
We look forward to hearing from you, but we know at times you simply want to “place an order” vs waiting in a queue as we assist others with cross referencing, product info and or custom application needs.  We hope you appreciate that we can’t staff for unknown peaks and in an effort to better serve you, we introduce atcparts@atc.ca.
Simply provide all necessary details… part numbers, quantity, pickup location, ship to location, purchase order # etc and we’ll acknowledge and process your request as soon as possible.

Call us toll free at 1-800-295-4156, our Customer Service Representatives will be happy to assist you.

June/July Newsletter

The warm weather is here and with it, the start of another busy A/C season.

We look forward to hearing from you, but we know at times you simply want to “place an order” vs waiting in a queue as we assist others with cross referencing, product info and or custom application needs. We hope you appreciate that we can’t staff for unknown peaks and in an effort to better serve you, we are introducing an email service for Parts Ordering…. atcparts@atc.ca.
Simply provide all necessary details… part numbers, quantity, pickup location, ship to location, purchase order # etc and we’ll acknowledge and process your request as soon as possible.

Heavy Duty A/C Best Practices: Preventative Maintenance, Diagnostics & How To Procedures
Driven by competition, computer aided design, a focus on quality and several other factors, mechanical reliability is at all time high. As a result heavy-duty A/C components rarely fail ! In fact, components mainly fail because of contaminated refrigerant oil and general lack of preventive maintenance. 

As the A/C season kicks into high gear we continue sharing our series on A/C Best practices. Lets begin with a quick recap of what we’ve covered, before introducing this months features in ATCNEWS and ATCTV.
In March we offered a A/C Preventative Maintenance Schedule along with a video on Basic Troubleshooting. In April we shared The Importance of a System Inspection and a supporting video on How To and Which Components to Inspect.

This month in ATCNEWS we feature How To Troubleshoot the A/C Electrical System and How to Inspect an A/C Compressor  while on ATCTV we provide a supporting video Examining Compressor Failures. We  hope you find this series informative and the overall content via these channels helpful.

Did You Know! 
Thermistors are a very accurate and cost effective sensor for measuring temperature. Need an OE replacement? Read more on ATCNEWS and watch the ATCTV installation video here.

ATC CONNECT – Parts cross references and look-up made easy 
We continue to field and are happy to answer questions about this great new tool. Information on the top 2 questions can be found right here..How to Get Access and How To Use. The other most frequently asked question is about on-hand inventory. This update is completed overnight and ATC CONNECT displays the current inventory levels at the start of the day. As orders are placed and stock is depleted, if you need it, call or email us to order it. Remember the primary function of ATC CONNECT is parts cross reference and look up of specs. 

Cabin Air Filters – A/C not blowing cold? A relatively new feature in the heavy duty industry, the cabin air filter is often overlooked in regular vehicle maintenance.Read more here

To view all our offerings, visit the Product Line page on ATC.CA to access catalog downloads or call us toll free at 1-800-295-4156, our Customer Service Representatives will be happy to assist you.

The opinions expressed in this newsletter, do not necessarily reflect those of Arctic Traveler Canada.

How to inspect an A/C Compressor

Before you pull the A/C compressor from a heavy-duty vehicle, take these steps to confirm that it really needs replacing:

1. Is The Compressor Rotation Smooth?
With the vehicle off, turn the compressor shaft with a 14-mm socket. If you feel grinding or hanging as you rotate the shaft, it’s probably due to broken components within the compressor. If the rotation is smooth, move on to Step 2.
2. Is The Coil Getting More Than 11.5 Volts?
Take a reading with the engine running and the clutch engaged. If there’s insufficient voltage, get to work on that. Otherwise, move on to Step 3.
3. Is The Coil Resistance Between 2.8 And 4.4 Ohms?
Any resistance outside this range will prevent the clutch from engaging or will cause used circuits to open. If the answer is yes, continue to Step 4.
4. Is The Compressor Able To Produce 350 Psig Or More?
If not, leave the compressor where it is. The system may have a low refrigerant charge because of a leak that needs repair, or a high-side blockage that limits refrigerant flow to the compressor.

Tech Tips from Red Dot
” We see lots of compressors that are returned fully functional and therefore not warrantable.
Get the diagnosis right. Perform a simple compressor function check before you pull the component from the vehicle.”

How to troubleshoot your A/C Electrical system

Tech Tips from Red Dot

On any vehicle, and virtually any system, electrical problems are among the hardest to troubleshoot. If you suspect an electrical problem with the A/C system, here’s a two-stage inspection routine that virtually anyone can do with no special tools or skills:

1. Inspect Electrical Connections

As you perform a visual inspection under the hood (cab) and/or at the rooftop condenser, take a moment to check all electrical connections both visually and by feel. Make sure all leads and wires are properly supported and securely connected, and that there’s no corrosion or grime on the leads or connectors.

2. Check Electrical Current Flow and Device Functions

Perform the following steps to check current flow and electrical device functions:

  • Turn on the ignition. 
  • Turn on the A/C system. This will power the thermostat and clutch. If it does not come on, use the A/C mode switch to check the leads to the switch. You should hear a “click” from the thermostat and hear the clutch drive plate “snap” against the clutch pulley. 
  • Check fuses. If all the connections are clean and tight and there’s still a failure, check the fuses in-cab as well as in-line.
  • Check A/C clutch engagement. Since you can’t see and may not hear the clutch engage, get out and look at the clutch. If it’s engaged, you will see that the drive plate is against the pulley and not slightly spaced from it. If you aren’t sure the clutch is engaged, look for the lead wire connector near the clutch. Break and close that connection. The clutch will disengage and engage again.
  • Test blower speed operation. Some systems have a common switch that turns on the air conditioner and powers the blower motor. Test blower speed operation by adjusting this or the separate blower control switch. Feeling the air flow from the ducts or note blower sound (speed) changes.
  • Inspect roof-mounted condensers. Don’t forget to inspect roof-mounted condensers and A/C units for dirt and debris. Be sure the condenser fan(s) are working properly and all parts and electrical connections are securely fastened. The roof-mounted condenser fans may come on when the system is turned on. Like the thermostat and most clutches, the normal on-off cycling action can not be observed until the engine is running with the A/C system on.

Once your visual inspection is complete, talk to a qualified A/C technician about what you found. Your troubleshooting efforts will be rewarded with a speedier repair and perhaps a lower repair bill.

Thermistor Kit

What is a Thermistor ?
An electrical resistor whose resistance is greatly reduced by heating, used for measurement and control. Thermistors, derived from the term THERMaIly sensitive reslSTORS, are a very accurate and cost- effective sensor for measuring temperature. 

Your HVAC Thermistor can be replaced with #1400K for Quicker Installation and Less Hassle! 
Our Kit contains “First Fit OE Products”  for longer life solutions to today’s A/C problems.
Check out the video courtsey of MEI here ….

International & Prostar HVAC Thermistor Kit for quick hassle free replacement of OEM part.

April/May Newsletter

Last Month we published our first Newsletter and introduced our Social Media channels Facebook and Google+. We also introduced and highly recommend using ATC Connect our parts look-up and cross reference tool, complete with tech tips, industry news and more. 

Next up was ATCNEWS, our web log with technical tips, product features and more. Our feature was on Heating Solutions, along with a RedDOT guide to Troubleshooting heaters and Espar tips on How to determine and remove carbon build up in heaters. Need a Catalog? click here to request yours today. All this and more available in searchable categories.

This month in ATCNEWS we feature the Best Selling HVAC parts by Make and Off-Road Cabin Air Filters.
 
A/C PM on ATCTV
With winter hopefully behind us, this month in ATCNEWS is a RedDOT A/C Preventative Maintenance Schedule.The article introduces our Youtube channel ATCTV where you will find videos courtesy of MEI featuring best practices on How To & Which Components to Inspect during PM and a Basic Troubleshooting guide. We hope you find this new channel exciting and the content helpful.

So much to offer, all from 1 source 
ATC is a proud distributor of a variety of brand name compressors like Sanden, Denso and York; accessories like belts, clutches, o-rings and oil for your cooling needs. We also stock a wide selection of SPAL, the world leader in fans and accessories. From simple dash fans to high performance axial fans, relay harnesses and centrifugal blowers for cars, buses and off road vehicles….whatever you need, available when you need it!. 

Our website is your doorstep to information on a variety of other product offerings.Visit the Product Line page to access catalog downloads or call us toll free at 1-800-295-4156, our Customer Service Representatives will be happy to assist you.

Unique Application or Replacement Coils
Arctic Traveler‘s coil manufacturing division, Custom Coils Canada produces tube and fin replacement condensers, evaporators and heater cores for almost any mobile, commercial or industrial application. We specialize in building aftermarket drop-in replacement coils. Call 905-789-8523 or visit www.customcoils.ca for more information. 

The opinions expressed in this newsletter, do not necessarily reflect those of Arctic Traveler Canada.