"Active Heat recovery unit"
Hello colleagues, Currently I'm designing "active heat recovery" in other words air to air reversing heat pump. The main components the system composes are: 2 x tandem Scroll type compressors (1...
View ArticleTrying to establish if my cooling tunnel is performing as expected
I have a cooling tunnel that is being used to chill chocolate covered biscuits, but it does not seem to be performing as well as I would expect it to. I'm hoping that you can calculate either a)what...
View ArticleError code P6 on Midea VRF
Can anyone help me determine the cause or problem of error code P6 ( Inverter module protection )? The model is Midea SA-MDV-V450W/N1. Condenser fan runs for a few minutes and stop while the compressor...
View ArticleSamsung RS21DGRS
Hi, I have a Samsung RS21DGRS which, when turned on, will run for about 5 seconds then starts to labour before turning off and never comes back on. I'm wondering if this is a faulty compressor, board...
View Articleis this wrong?
Additional incentive to recover refrigerant From 1 July 2013, the Australian Government will provide an incentive to refrigeration contractors for the destruction of waste synthetic greenhouse and...
View ArticleFujitsu wall mount split
Hi , iv recently been called to site , they said indoor wall mount had frozen up on coils , checked when I got there and all seemed ok , there had been ice on coils as it was soaking on floor ......
View ArticlePlumbing Heating Ventilation and Air-conditioning, Refrigeration
Hi all i have been involved in plumbing and heating and to a very large extent ventilation and extraction systems for over 23 years. Undertaking CITB commercial and domestic gas services and designing...
View ArticleVentilation in a cold room
I am designing a cold room of size 4 m by 2.5 m by 2.5 m. The cold room will be used to store vegetables. The recommended Air change is 4 changes in a day. How do I go ahead with exhaust ducting? Do I...
View ArticlePiping for a compressor pack having multiple evaporators.
Hi, I would like to know about the piping guide line for compressor pack serving multiple evaporators having different capacity. I want to know how the branches of the main lines are done; is it as per...
View ArticleBlast Freezer Unit causing liquid line vibration below -37 deg C Evap Temp
We are working on a Blast Freezer Unit in Dubai Unit Selection Frascold 30 HP Double Stage (SA 30 102 51-Z-Y/4) with Liquid Subcooler (19.5 kW @ -46 C Evap Temp, 43 C Amb, R404a) LU-VE FF63H261E12...
View ArticleAC fully charged, but air coming out of vents isn't cool.
Upstairs A/C unit wasn't cooling and we discovered our suction line wasn't sweating. We have now had 2 technicians over and we still don't have cold air. Technician #1- Said unit was low on freon....
View ArticleApple iPhone 5 16GB ---- $300
It's happening again at V2B COMMUNICATIONS LIMITED ®. We are offering a Special Bonanza to all our current and new customers who are willing to purchase genuine and original Smart-phones for personal...
View ArticleApple iPad 4 64GB with Wi-Fi ---$350 USD
It's happening again at V2B COMMUNICATIONS LIMITED ®. We are offering a Special Bonanza to all our current and new customers who are willing to purchase genuine and original Smart-phones for personal...
View ArticleBest Setting of EKC 202 D1 For Freezer cabinet
Hello ladies and gentlemen Can you suggest me what's the best setting of EKC 202 Controller for a freezer cabinet? thank you and best regards
View ArticleR290 pipe sizing chart
i'm looking for R290 pipe sizing chart please can anyone help me ?
View ArticleDanfoss ak cc 550 unable to defrost via digital Input 3
Currently I have a danfoss ak cc 550 card controlling a frozen food room, the card is networked with the Danfoss 255 controller panel. Iam trying to get the cc550 card to initiate defrost via the...
View ArticleKeith D. Geothermal closed loop system issues
Climatemaster Genesis Geothermal 2001 installation. Closed loop system. 3 ton. Warm air system. 3 wells. Water furnace external circulators (2) 1 internal circulator. Not cooling. Locks out after about...
View Articleprofessional assistance for container, truck and trailer units.
all solutions for you get stuck failures about container/truck and trailer units. only for a low fee. see you. reefermechanic.
View Articlefillers for bottle type cooling tower
good day to all. just want to get your opinion. we are currently using the standard type of fillers for our cooling tower (existing fillers), and we were offered a different type and brnad of fillers,...
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