Recent content by ad77

Thanks for the input. In Australia I have not seen an air seperator on either a CHW or HHW system, so the debate has been interesting but not the answering my question. There is no storage tank associated with the water heater. (In Australia we don't call them boilers. We only call them...

why do we pump into a chiller and the opposite for a water heater?

has anyone come across a consolidated website detailing worldwide HVAC trade shows / conferences / exhibitions etc?

what are the design standards / criteria for waste anesthetic gas ventilation? application: MRI room for vet. research. anesthetised animals releasing anesthetic gas and making operators light headed and sleepy. in my google research i have found the following; - low level exhaust direct to...

Based on architects coming up with more and more unusaul shading schemes for external windows (in the name of ESD)has anyone come across a shading program which has the ability to model non-standard external shading?

thank you imok & quark - as always, information that is relevant.

what is a typical ventilation arrangement for a store room housing liquid nitrogen vessels (small vessels associated with a laboratory)? any assiatnce will be appreciated.

Thanks Old Dave, You have provided some backup to the anecdotal information that has been provided from several sources. Not loading the UPS beyond 80 %, you state this is good practice - recommended by whom? You hit the nail on the head – in their current room we measured the electrical...

I am looking at a computer room with a 50 kVA UPS located within the room together with the aasociated batteries. The UPS spec indicates a 40 kW maximum output (i assume the product of 50kVA and PF 0.8). The computer room client is unable to provide a detailed listing of all of the equipment...

http://www.purafil.com

can anyone point out some detailed information (web based preferable) on the design and installation of specialised lab / medical gases??????? thanks in advance.

thanks for the prompt response

paul, its been along time. however, something you stated in one of your posts stuck with me. how did you get in contact with standards australia to get a response on your particular question????

thanks Roger. that will come in handy sometime in the future. should have been more specific with my question. does anyone know of a chilled water / heating hot water coil selection program available on the web???

has anyone come across a SI coil slection program availabale on the net??