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22-09-2023, 07:44 PM

Harper replied to a thread hot gas high temperature in NH3

Hi, maby the suction pressure drops by 100% and the compressor is out of range?

4 replies | 130 view(s)

22-09-2023, 10:05 AM

frank replied to a thread Daikin vrv central control replacement in Air Conditioning

Group addresses are set on the indoor fancoils so you shouldn't lose them. You will need to set up the groups and schedules though. Also need the...

1 replies | 41 view(s)

22-09-2023, 08:00 AM

RANGER1 replied to a thread Tycho has a new toy! in Industrial Compressors

Tycho, Great idea, looks very professional. On bigger machines we use large heating tip & fall off using gravity. Liked your Hermetic...

2 replies | 110 view(s)

21-09-2023, 09:02 PM

Ben93 started a thread Daikin vrv central control replacement in Air Conditioning

Hello I’m due to change a faulty/ broken central controller that another engineer called up now I’ve done lots of fault finding and repairs on...

1 replies | 41 view(s)

21-09-2023, 09:27 AM

Scarlett replied to a thread Kirby/terry/Kelvinator compressor in Industrial Compressors

I recommend consulting a professional technician or contacting a compressor repair service for a proper assessment and repair of the shaft seal leak....

4 replies | 375 view(s)

20-09-2023, 11:07 AM

kanchi replied to a thread Mitsubishi electric city multi issues in Trouble Shooting

It is most likely a defect in the discharge thermistor itself. Discharge thermistors have normal resistance values at room temperature, but shift...

4 replies | 215 view(s)

20-09-2023, 08:59 AM

RANGER1 replied to a thread hot gas high temperature in NH3

This might help! https://mayekawa.ru/netcat_files/160/218/i_series.pdf

4 replies | 130 view(s)

19-09-2023, 09:29 PM

MrFreez717 replied to a thread hot gas high temperature in NH3

Those are all excellent suggestions. I would add, there should also be a hand metering valve that feeds oil to the rotors. This oil essentially...

4 replies | 130 view(s)

19-09-2023, 08:24 PM

seanf replied to a thread hot gas high temperature in NH3

Calibration of hot gas temperature sensor Motor current Oil supply temp Oil supply pressure/flow Suction superheat Discharge pressure Operation...

4 replies | 130 view(s)

19-09-2023, 05:57 PM

samabraham started a thread hot gas high temperature in NH3

Dear All, I am facing a problem with ammonia chiller always trip in high temperature hot gas. our Mycom i160LL when it run 100...

4 replies | 130 view(s)

19-09-2023, 09:47 AM

seanf replied to a thread Tycho has a new toy! in Industrial Compressors

Nice wee thing.

2 replies | 110 view(s)

18-09-2023, 11:20 PM

Tycho started a thread Tycho has a new toy! in Industrial Compressors

so happy I could cry

2 replies | 110 view(s)

18-09-2023, 09:31 AM

salma replied to a thread REAL advantages of semi hermetics vs hermetics in Commercial

There are several advantages of semi-hermetic compressors compared to hermetic compressors. Here are some key benefits: 1. Serviceability and...

3 replies | 980 view(s)

16-09-2023, 10:48 AM

Stan-R134 replied to a thread Mastercool 69000 connecting rod and piston in Technical Speculations

Hi Monkey Spanners, Thanks for the quick reply, much appreciated. The is a spares or repair unit on fleabay but the sellers description does not...

2 replies | 428 view(s)

15-09-2023, 04:14 PM

monkey spanners replied to a thread Mastercool 69000 connecting rod and piston in Technical Speculations

From their web site it looks like they only sell the complete compressor assembly including the motor. Still might work out cheap enough to fix...

2 replies | 428 view(s)

14-09-2023, 08:16 PM

altera started a thread Pulsor 400 mt in Transport

Hi guys, anybody have a wiring diagram for a Pulsor 400 mt?

0 replies | 998 view(s)

13-09-2023, 10:04 PM

Ant27 replied to a thread Multi Split Question in Air Conditioning

Thank you all for your help and advice, I’ve done it now and it’s all working fine. It’s such a comfort to be part of a forum where you can ask your...

2 replies | 1082 view(s)

13-09-2023, 08:34 PM

Stan-R134 started a thread Mastercool 69000 connecting rod and piston in Technical Speculations

Hello, I am new to this forum so please accept my apologies if this post is in the wrong section. At the time of writing this article, I am...

2 replies | 428 view(s)

12-09-2023, 08:20 AM

nancy replied to a thread Why are Dual Hose Airco's so difficult to find in Europe ? in Air Conditioning

I think, dual hose portable air conditioners are rare in the UK because they are more expensive, heavier, louder, and harder to install than single...

1 replies | 1018 view(s)

12-09-2023, 05:27 AM

stephen replied to a thread Haier air conditioner, model hsu-12he03/r1 in Air Conditioning

I think this guide can help you: https://www.youtube.com/watch?v=QdXAlXm5MhM

1 replies | 922 view(s)

12-09-2023, 04:12 AM

susan replied to a thread Multi Split Question in Air Conditioning

Yes, it's possible. I did once time following this guide video: https://www.youtube.com/watch?v=T6XpH81Ttmo

2 replies | 1082 view(s)

11-09-2023, 09:15 PM

Ant27 started a thread Multi Split Question in Air Conditioning

Could one indoor unit be removed from this multi split set up? Is it a case if pumping down, cutting the line to be removed and blanking off the...

2 replies | 1082 view(s)

11-09-2023, 10:39 AM

grace replied to a thread City Multi Change temp sensor position on PEFY-P100VMHS-E in Air Conditioning

The static pressure setting is adjustable by changing a dip switch. The default setting is 0" W G, with options for 0.12" and 0.24" W G.

1 replies | 604 view(s)

09-09-2023, 06:35 PM

monkey spanners replied to a thread Green box water chiller. in Commercial

Hi, Have done this type of connection a few times, you need a suitable 55% silver brazing rod and also a special flux to suit stainless steel. ...

1 replies | 395 view(s)

09-09-2023, 05:18 PM

samabraham started a thread Green box water chiller. in Commercial

Anyone has experience with green box chiller. special in welding in evaporator side with copper and stainless steel. what gas welding rod and flux in...

1 replies | 395 view(s)