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25-07-2017, 02:45 PM

chemi-cool replied to a thread Storage space design - does a modification contravene BS EN 378? in Refrigeration - The Stories

to avoid any headache from the client, you can install at the refrigerant outlet of the evaporator a KVP to maintain constant evaporator pressure.

3 replies | 189 view(s)

25-07-2017, 08:40 AM

mikeref replied to a thread Storage space design - does a modification contravene BS EN 378? in Refrigeration - The Stories

Full Evaporator ice up or partial? High or Low Humidity room and do the rooms have Curtains. EBM Evap fans? If so and they are single Phase, are...

3 replies | 189 view(s)

25-07-2017, 03:40 AM

weagle replied to a thread Pipework insulation how important is it in System Optimization

There have been several papers written on this by RETA. You may be able to find this info there.

8 replies | 554 view(s)

24-07-2017, 10:28 PM

Glenn Moore replied to a thread Reciprocating Compressor - Process Tube for Oil Return (from oil separator)? in Fundamentals

Hi Rahul The 4 series of refrigerants often are quoted as mineral oil is comparable, but in many cases with the likes of R422D etc mineral oil often...

7 replies | 673 view(s)

24-07-2017, 09:27 PM

RANGER1 replied to a thread Freezeking Compressor FK450 High Speed Seal Leakage in Trouble Shooting

Rahul, Sounds like annoying problem you have! What refrigerant & type of oil are you using on this job? Also what pressures suction &...

1 replies | 47 view(s)

24-07-2017, 09:26 PM

Grizzly replied to a thread Arduino cold room control, temp alert and advanced functions in Controls

Enough of the self promotion. I am not going to delete this post as some may be interested. Plus I cannot work out if you are selling the software....

2 replies | 210 view(s)

24-07-2017, 08:21 PM

terminator replied to a thread Digital scroll issue? in Trouble Shooting

Apologies for the belated reply guys - been away. Reversing the compressor and then changing back was tried, but no effect. I'm pretty certain...

3 replies | 198 view(s)

24-07-2017, 07:03 PM

RAHUL GANDHI started a thread Freezeking Compressor FK450 High Speed Seal Leakage in Trouble Shooting

Hello Sir & Freinds, Here I am facing a typical problem on Site i.e Compressor Seal Leakage. Its a brand new compressor from Freezeking i.e FK-450...

1 replies | 47 view(s)

24-07-2017, 06:40 PM

RAHUL GANDHI replied to a thread Reciprocating Compressor - Process Tube for Oil Return (from oil separator)? in Fundamentals

Hi, What I have experience is that R-134a,R-12, MO49 & MP 39 moves with oil in system and it return back to Compressor where as other gases like...

7 replies | 673 view(s)

24-07-2017, 06:06 PM

monkey spanners replied to a thread Storage space design - does a modification contravene BS EN 378? in Refrigeration - The Stories

Sounds like the employees got the hump with being reported and tried **** stiring to me. I'd look into fitting some data loggers to see whats going...

3 replies | 189 view(s)

24-07-2017, 04:50 PM

The Viking replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

To make sure you get the right pair just disconnect in the indoor unit, only one set there. :cool:

8 replies | 416 view(s)

24-07-2017, 03:27 PM

silmarx replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

Thanks for the information! But I have one question: how do I know which F1-F2 terminal to disconnect since are more than one pair?

8 replies | 416 view(s)

24-07-2017, 02:50 PM

ludkokanta replied to a thread Arduino cold room control, temp alert and advanced functions in Controls

and an update... a Wi-Fi monitoring app without control features: https://www.youtube.com/watch?v=CQJT1JtG_cQ It is free IIoT meets PLC

2 replies | 210 view(s)

24-07-2017, 09:38 AM

RANGER1 replied to a thread Very long suction line question in Technical Speculations

Segei, This is a screw compressor plant with horizontal accumulator that from operating level, to high level would be approximately 5 tonne...

2 replies | 103 view(s)

24-07-2017, 08:38 AM

frank replied to a thread Daikin cassette 71 split in Air Conditioning

What is the full model number of the outdoor unit?

16 replies | 1036 view(s)

24-07-2017, 03:19 AM

Segei replied to a thread Very long suction line question in Technical Speculations

I don't think that ammonia will condense in suction line. However, if mentioned vessel will trip on high level(leaking solenoid) and will be started...

2 replies | 103 view(s)

23-07-2017, 11:39 PM

chilliwilly started a thread Storage space design - does a modification contravene BS EN 378? in Refrigeration - The Stories

I have been to several sites over the past few months where they have complained of units not holding temperature because they have left the doors...

3 replies | 189 view(s)

23-07-2017, 10:52 PM

The Viking replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

And I forgot to add... If you in the short term do want to turn one unit of, isolate that unit and remove the cables from the F1-F2 terminals in it...

8 replies | 416 view(s)

23-07-2017, 09:08 PM

RANGER1 started a thread Very long suction line question in Technical Speculations

Have seen a plant with very long dry suction line, about 300 metres, on large liquid overfeed vessel, -40 C Vessel is well oversize for job, so very...

2 replies | 103 view(s)

23-07-2017, 05:28 PM

The Viking replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

OK, If you follow this link HERE you will find the relevant part of the install manual. Just upgrade the comms wiring with the power to the...

8 replies | 416 view(s)

23-07-2017, 03:35 PM

silmarx replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

Thanks for the quick answer! The outdoor unit is the MH068FXEA4.

8 replies | 416 view(s)

23-07-2017, 12:47 PM

The Viking replied to a thread Samsung AC indoor unit MH035FPEA is turning on and off automatically in Air Conditioning

OK, So the outdoor unit is only seeing 3 indoor units whilst we should have 4. That is good, it point us towards where the issue might be. Most...

8 replies | 416 view(s)