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Thread: pco carel alarm
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18-01-2013, 04:35 PM #1
pco carel alarm
Hai !!
Dear all
I Have central frigo bitzer 75hp water cold condensing unit
With carel rack controller in this controller shows alarm
ALARM.. over load,K1ixon
compressor 1
But unit manual running is ok ......
please suggest to resolve problems
unit make ; central frigo 75 HP
code ; 00240094501
compressor make ; bitzer
type ; screw
model no ;HSN7471-75-40P
controller ; carel rack controller
code ; FLSTDMFC0ALast edited by Brian_UK; 18-01-2013 at 06:56 PM.
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18-01-2013, 06:57 PM #2
Re: pco carel alarm
Have you checked the Klixon?
Brian - Newton Abbot, Devon, UK
Retired March 2015
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19-01-2013, 02:25 AM #3
Re: pco carel alarm
hello Brian
Yes i am checked compressor Relay this continuity is OK
kirwan motor protectors also this continuity is ok
I hope Klixon mines this motor protector & Relay
any more please guide me
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20-01-2013, 03:35 PM #4
Re: pco carel alarm
Hello Brian
please reply to me because unit not working in auto mode
it working mechanical mode only
PCO alarm also not reset
how solve this problem please .........?
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21-01-2013, 05:37 PM #5
carel pco
Dear all
any carel pco service center in Hyderabad, Andhra pradesh,INDIA.
Plase give contact details.
Thanking you
HUSSAIN
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14-02-2013, 03:05 PM #6
Re: carel pco
hi
if i know that are you looking for i can help you with technical issues
or
there is a carel india office , ask them :
Carel ACR Systems India Private Limited (CAREL India)
402 & 403 Vikas Commercial
Next to Tridev Apartments
Bhakti Marg, Mulund (West)
Mumbai 400 080
tel. +91 22 4119 2929
fax +91 22 4119 2930
info@carel.in
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25-02-2013, 07:20 AM #7
Re: carel pco
Brian - Torquay, Devon, UK
BASIC MAINTENANCE. If it doesn't move and it should then use WD40. If it moves but it shouldn't then use Duct Tape.
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14-02-2013, 03:09 PM #8
Re: pco carel alarm
hi
check the wiring first, you need to make sure the alarm coming from overload.
basically controller presume ID1 (for example) as Comp 1 overload digital input, it means if by mistake you connect fan overload to ID1 in case of Fan alarm you are getting comp alarm.
another thing can be the input latched in to closed position due to high current.
Behzad