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16-12-2018, 09:23 PM

CONROD replied to a thread Clivet Chiller in Air Conditioning

Motor error may indicate a fault with the stepper motor coil. You could check for continuity between the motor poles. Should have 2 separate motor...

3 replies | 208 view(s)

16-12-2018, 09:19 PM

CONROD started a thread Back-up / over-ride settings in Supermarket Refrigeration

I have a CO2 rack with a primary and back up control system. The back up contoller acts as a watchdog and takes over from the primary controller if...

0 replies | 0 view(s)

16-12-2018, 12:18 PM

seanf replied to a thread 12kw 6000 liters Waterchiller pulldown time in Technical Discussions

http://processheatingservices.com/water-heating-time-calculator/ or very roughly, specific heat of water 4.18 KJ/kg k 1 Kg for 1 Litre of...

1 replies | 72 view(s)

16-12-2018, 09:02 AM

skags started a thread 12kw 6000 liters Waterchiller pulldown time in Technical Discussions

customer has a small 12kw waterchiller they want to hook onto there 6000liter uninstalled plastic buffer tank, I dont have any flow rates but ive...

1 replies | 72 view(s)

15-12-2018, 04:03 PM

muju started a thread Network tool for Clivet chiller in Air Conditioning

Does clivet spinchiller model chillers/ stulz chillers have service or configuration network tool?

0 replies | 62 view(s)

15-12-2018, 07:15 AM

A.Mortezania replied to a thread flooded evaporators and oil return in Fundamentals

Thanks Glenn Moore

3 replies | 209 view(s)

14-12-2018, 10:52 PM

soleowner replied to a thread Advice on cheapest options for potential client in Air Conditioning

Least expensive, not cheap. Here endeth thy lesson for the day.

8 replies | 980 view(s)

14-12-2018, 10:50 PM

soleowner replied to a thread Advice on cheapest options for potential client in Air Conditioning

Cheap work is not good, good work is not cheap. Put it on your business cards, trucks, website, etc.

8 replies | 980 view(s)

14-12-2018, 04:04 PM

Tycho replied to a thread Pressure testing pipework before commissioning in Fundamentals

Glad that it worked out :) Don't know the size of your system, but when I do pressure testing of freezing plants on ships I always stop all work...

11 replies | 322 view(s)

14-12-2018, 03:04 PM

hyperion replied to a thread Pressure testing pipework before commissioning in Fundamentals

Thank you for all of your valued comments. We are progressing with the pressure testing as the client has now accepted that provided we place...

11 replies | 322 view(s)

13-12-2018, 05:09 PM

RANGER1 replied to a thread Pressure testing pipework before commissioning in Fundamentals

Rob, Sometimes a pressure relief is fitted at higher pressure also to make it idiot proof during test.

11 replies | 322 view(s)

13-12-2018, 01:37 PM

Rob White replied to a thread Pressure testing pipework before commissioning in Fundamentals

The PRV is a valid point and in some circumstances the strength test is done without them fitted, plugs are fitted instead and then the pressure is...

11 replies | 322 view(s)

13-12-2018, 11:04 AM

Rezapdz replied to a thread Bitzer reciprocating compressor overhauling period in Technical Discussions

Hi Bitzer compressor 6G-34Y needs use Cic or don't need for R404a. Tanks

3 replies | 345 view(s)

13-12-2018, 09:06 AM

RANGER1 replied to a thread Pressure testing pipework before commissioning in Fundamentals

For those who may not know, It is also necessary to check all equipment & pipe/fittings for maximum pressure ratings. You can only pressure test to...

11 replies | 322 view(s)

12-12-2018, 07:23 PM

TrickyRikki replied to a thread Polar Ice Maker in Commercial

Ah the manual i have just states instruction manual so i would say its a user manual, yes i have worked on machines where the coil iced up perfectly...

3 replies | 235 view(s)

11-12-2018, 07:26 PM

TaffyLad replied to a thread Polar Ice Maker in Commercial

Found an exploded diagram, thank you though. It’d be nice to have a technical manual as opposed to a user manual. No explanation on their documents...

3 replies | 235 view(s)

11-12-2018, 03:56 PM

Rob White replied to a thread Pressure testing pipework before commissioning in Fundamentals

. See http://www.hse.gov.uk/pUbns/priced/l122.pdf Rob .

11 replies | 322 view(s)

11-12-2018, 03:51 PM

Rob White replied to a thread Pressure testing pipework before commissioning in Fundamentals

http://www.hse.gov.uk/pubns/indg178.pdf That document does not say you can't do the test, it states that a method statement must be produces first...

11 replies | 322 view(s)

11-12-2018, 09:17 AM

hyperion replied to a thread Pressure testing pipework before commissioning in Fundamentals

Tyco, you have described him exactly. He is trying everything he can to push the contract completion to its limits. Not quite sure what his agenda...

11 replies | 322 view(s)

11-12-2018, 09:05 AM

chillermac replied to a thread Clivet Chiller in Air Conditioning

Hey Glenn, solid advise. That's interesting on the manual controller.. need to look into that a but more..

3 replies | 208 view(s)

11-12-2018, 01:07 AM

Glenn Moore replied to a thread Clivet Chiller in Air Conditioning

Change the evap probe first , if that doesn’t rectify it change the controller . You can get a manual controller handset to drive the stepper valve...

3 replies | 208 view(s)

11-12-2018, 12:34 AM

Tycho replied to a thread Pressure testing pipework before commissioning in Fundamentals

Hope it works out for you :) sounds like your client is a dumbass :)

11 replies | 322 view(s)

10-12-2018, 11:15 PM

TrickyRikki replied to a thread Polar Ice Maker in Commercial

I have never worked on your machine, but when i have had this issue in the past ive found its either the evap plate is slightly dirty or the gas...

3 replies | 235 view(s)

10-12-2018, 08:24 PM

hyperion replied to a thread Pressure testing pipework before commissioning in Fundamentals

Thanks Tyco, That is most helpful.

11 replies | 322 view(s)

10-12-2018, 07:20 PM

Tycho replied to a thread Pressure testing pipework before commissioning in Fundamentals

Hi Hyperion, How big is the system? Seems like the PSSR 2000 has a lot of exceptions that allows you to do testing. ...

11 replies | 322 view(s)

10-12-2018, 05:52 PM

hyperion started a thread Pressure testing pipework before commissioning in Fundamentals

We are working on a site where the site agent will not allow high-pressure OFN strength or leak testing as he claims that we have to prove that the...

11 replies | 322 view(s)

10-12-2018, 02:49 PM

TaffyLad started a thread Polar Ice Maker in Commercial

Looking at a pals ice maker. Not looked at any this type before: it’s a GL193-2 Its forms ice in the tray but it doesn’t drop...so the ice block...

3 replies | 235 view(s)

10-12-2018, 12:02 PM

chillermac started a thread Clivet Chiller in Air Conditioning

HI all, Got a call to look at a chiller last week. I haven't done any works on these Clivet chillers. Model # WSAT-XSC150F Customer told me...

3 replies | 208 view(s)

09-12-2018, 10:36 PM

tonyk replied to a thread Possible moisture in system in Air Conditioning

Thanks for the advice guys much appreciated

7 replies | 613 view(s)

09-12-2018, 09:26 PM

Glenn Moore replied to a thread flooded evaporators and oil return in Fundamentals

You need a rectifier vessel with either an electric heater or the warm liquid line in a coil in the rectifier. Several liquid/ oil sampling points...

3 replies | 209 view(s)