Type: Posts; User: seraaco
BDOLIN do you have any information about proactive defrosts? I am interested in that
Here is an article about this topic
hsk7461-80 bitzer compressors on a medium temp rack using 404A
What is the lowest suction superheat allowed when using screw compressors on a med temp rack?
I read 4 to 10 is normal due to efficiency.
If it's wired in parallel with the compressor it will, if wired to a board or diferent circuit it could cycle.
does anyone have a pdf incluiding the economizer operation on this compressor ? thanks a lot
The reason for a temp bulb installed in the air discharge is to prevent iced up coils when a lot of air infiltration is present such as open cases, prep rooms and heavy traffic w/i boxes.
Split the system n put nitro on every section, if the leak is not too obvious leave all sections with nitro and comeback in the morning
you'll see which one has lost pressure and can start looking...
R507 is : HFC-125 50% wt
HFC-143a 50% wt
R404A is: HFC-125 44% wt
HFC-143a 52% wt
HFC-134a 4% wt
like JP said interesting info but of course if someone wraps a whole teflon tape roll around a fitting could be possible that the nut will expand
also i have never seen a perfect threaded...
doctor that's what i know up to now
teflon is a refrigerant friendly material
that information will be helpfull
thanks a lot
great reply guys thanks a lot but still the same i haven't found any information about R507 being not teflon friendly
it's a new store
so i know that some materials will react to poe oil but i'm talking about new equipment
i haven't heard before that R-507 will shrink or degrade teflon tape...
have anyone heard about this????
I was just told that R507 is a solvent and will destroy teflon tape, so leaks will show up; it's a new store n after a month from start up a small leak found.
Are you talking about hot gas defrost systems????
turn it off that way you'll reach that suction pression LOL
i hear you
sometimes they are just reading what you are listening
so it's our job to figure it out
when the supco guy said to switch the wires, i think i ment at the main power supply., that way you will have power at common terminal all the time
yes it has a bad input
it keeps reading a sensor even when nothing is connected to the piont on one board, the connector removed n still reading a temperature, i will try to unplug the bad board n...
we already clear and reset the controler and reload the program again but still doing the same sh.t
it looks like a bad controller to me
we called them today and download a new firmware but this problem persists
all wiring is ok everything works fine untill you want to change a setpoint
and yes this is E2 but not an einstein is a...
if i try to change anything on any system, the controler will loose all inputs n output settings for that system
if i just want to change the temp or a defrost i can't even read the...
is the condenser clean?
cond fan run n blades ok?
water acts as a mirror and reflects the sun to the building adding an extra heat load
same thing happenned in Puerto Vallarta they didnīt add this load when estimating loads and equipment was too...
dd98724 I can see you were made in china :p :D :confused: :eek: :mad: