Getting an extract fan to run when the condensor kicks in
Hi guys, We've got a little plant room with 2 Toshiba split condensors with duct flexing out the air off the fan and we were wondering if it was possible somehow to have an extract fan kick in when the...
View ArticleChiller valve package assembly
Hi I am an hvac design beginner. Though i had dealt with split AC systems, but i am still new to chiller systems Can anyone please tell me the standard valves connections of a chiller in supply and...
View ArticleRetrofitting R22 with 407F
Looking to retrofit some R22 supermarket rack systems with 407F. Anyone out there done this? Feedback is greatly appreciated.
View ArticleDWM Open type Compressor Motor
Gentelmen, We have an old open type compressor motor DWM Copeland with model # 2 CK 38 installed on the condensing unit and we do not know the refrigeration capacity of this compressor.Thanks in...
View ArticleOpen type Compressor Motor
Gentelmen, We have an old condensing unit with open type Compressor Motor DWM Copeland Model # 2 CK 38.We do not know the refrigeration capacity of this unit. Please help.Many thanks in advance and...
View Articlebeko ap930x display panel
Hi I have had a problem with the above ff, the ice sensor cable fractured and shorted the main board resulting in a totally dead machine. Finally after almost 2 months of waiting for parts, I have...
View Articlemanual compressed air dryer Kaeser T 751 E
greetings to all I am writing to you because to see if they give me a hand or help, Currently I have problems with two dryers Kaeser T 751E, I need the manual and the electric / manual help. :cool:...
View ArticleLeakage check
Hi I just installed a mini SPLIT system pipes and I am about to vacuum it. As I don't have nitrogen I applyed air with a small air compressor the type we use to tires. ( using a refrigeration filter...
View ArticleCondenser Replacement
Hi, I have an old carrier r22 dustbin type unit rated at 12kw serving a dx coil mounted in a supply air duct and control is by a solenoid valve on the suction line that causes the condenser to pump...
View ArticleExpansion valve replacement
Hi, Anybody pl let me know the solution for the following. we have found faulty expansion valve (danfoss make) in a 6ton air dyer system operating with R134a gas. It is not available in the market and...
View Articledesuperheater design
Hi I plan to install a desuperheater in my existing refrigeration system. System consists of two reciprocating compressors with ammonia as the refrigent. TR for the compressors combined is 90 TR. the...
View ArticleHVAC simulation software
Hello everyone, I was wondering if there are any HVAC simulation softwares which will allow me to simulate diferent configurations for a 40 ton air conditioning and refrigeration system. If there are...
View ArticleJB Vacuum Pump
I bought a brand new JB vaccum pump 5CFM, and filled oil that ships with the pump. Started vaccum opened partially balast valve but it goes closed as pump vibrates. Then I totally opened the ballast...
View ArticleAir Flow Rate and Static Pressure
Good Day everyone, I am very new into air conditioning and would like to improve myself in it. I have read a few threads about condensation happening at supply air diffusers and got a few confusions....
View ArticleR1150 or R23 for cascade?
Copeland and r1150Guys I had a question asked that I dont know the answer to and was hoping some of you industry guys can answer for me. The question is a little vague but Im assuming the company...
View ArticleHelp with my husky Magners fridge
Hi guys im new here so i hope this is the correct place to post! i need some help and im hoping someone could give me some! i have a husky fridge, its a large magners one. (pictures will be posted...
View Articleneed to experience for make DC twin inverter 18000 BTU
Dear All, please explain me how i can find consult for make product for customized airconditioner with DC inveter twin rotary ?? my email: newcoolingtech@gmail.com thanks
View ArticleUK Level 3 CERTS
Hi guys Im doing my level 3 and passed all the exams. I got 2 certificates one blue and one red. How many certificates do i get in all including portfolio? is it just the 2? or am i expecting a 3rd...
View Articlefailure YCAV
the machine has this alarm VSD COMUNICATIONS FAILURE. communication and harness check? which causes this alarm
View ArticleFreezer Door Glass Cracked
I have a tripple glassed (freezer door) that I brought to put in as a glazed house window, hoping to combat loosing heat in winter. It measures 1500 high X 485 wide. It has 240V wiring hooked up on the...
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