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25-09-2023, 10:11 AM

Liveba replied to a thread Daikin L4 fault in Air Conditioning

It may be due to an error in increasing the temperature of the inverter's radiation blades. Fin temperature increases due to short circuit.

3 replies | 826 view(s)

25-09-2023, 09:41 AM

Cokiken replied to a thread Mitsubishi VRF out door unit Not Running in Air Conditioning

Every unit has good airflow and clean filters. My problem is that I can only get each unit to chill return air by a maximum of 2 degrees.

2 replies | 547 view(s)

25-09-2023, 08:49 AM

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

HuNo idea, maybe they don't think Australia is a big market for portable ac's.

2 replies | 1049 view(s)

25-09-2023, 08:46 AM

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

The SW banks should still match up, SW1 listed on the sticker is the correct bank but the dip switch number could be incorrect.

2 replies | 635 view(s)

25-09-2023, 03:00 AM

Bidenca replied to a thread Daikin service checker in Air Conditioning

A portable, lightweight tester to test, record, and troubleshoot Daikin air conditioning systems is called the Bluetooth Service Checker (BTSC). This...

1 replies | 422 view(s)

24-09-2023, 09:29 PM

FRMSAC replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Hi Seanf Pressures show the normal 120psi for R410a, Oil might be a factor, no stones or anything in the pipe work.

7 replies | 103 view(s)

24-09-2023, 09:25 PM

FRMSAC replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Hi Monkey Spanners, thanks for your reply. Systems did work before we got our hands on them although we didn't check the error history. Sight glass...

7 replies | 103 view(s)

24-09-2023, 07:24 PM

Adrian started a thread Clivet alarm in Trouble Shooting

Good evening, I have a problem with a Clivet chiller model WSAN-XSC: the circulation pumps work, but the chiller remains in this phase. Two alarms...

0 replies | 49 view(s)

24-09-2023, 07:06 PM

Adrian replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Hello Frank, how can I post on the forum, I created an account today and I can't post. Thank you! PS: I succeeded.

7 replies | 103 view(s)

24-09-2023, 06:23 PM

frank replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Go back to basics and measure superheat, as well as looking at pressures.

7 replies | 103 view(s)

24-09-2023, 01:30 PM

redroge replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Driers should have been changed.

7 replies | 103 view(s)

24-09-2023, 12:38 PM

seanf replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Do the pressures on your gauges show it dropping? Could the compressor oil have been washed out when recharging the units? Pipe cap/armaflex/stones...

7 replies | 103 view(s)

24-09-2023, 10:38 AM

monkey spanners replied to a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Did the systems work ok before you moved the condensers? Could be a bit undercharged now as it will take a fair bit of gas just to bring the...

7 replies | 103 view(s)

24-09-2023, 07:51 AM

martinw58 replied to a thread Mitsubishi electric city multi issues in Trouble Shooting

it the ports are piped incorrect or address incorrectly as units shut down on temp system might run on low pressure causing compressor to over heat

6 replies | 258 view(s)

24-09-2023, 05:58 AM

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

Tycho, sent an email on the subject to you. Thanks Ranger

6 replies | 218 view(s)

23-09-2023, 10:49 PM

FRMSAC started a thread Low Evap Pressure Fridge System HELP!!! - UNIFLAIR - Schneider in Trouble Shooting

Guys we need help We have relocated x2 LUVATA - CAP0251P condenser units (fan & coil) roughly 1m from their original location. The refrigerant gas...

7 replies | 103 view(s)

23-09-2023, 07:12 PM

martinw58 replied to a thread Mitsubishi electric city multi issues in Trouble Shooting

have you checked the addressing and that the port connections on the BC box are piped and addressed correctly

6 replies | 258 view(s)

23-09-2023, 06:34 PM

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

thank you :)

6 replies | 218 view(s)

23-09-2023, 06:33 PM

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

glad you liked it :) I have two 204s to do next week and am going to try the heating way on at least one of the bearings. it's going to be a...

6 replies | 218 view(s)

22-09-2023, 09:52 PM

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

Tycho, Good job! I enjoyed the video.

6 replies | 218 view(s)

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 | 194 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 | 79 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...

6 replies | 218 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 | 79 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 | 389 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...

6 replies | 258 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 | 194 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 | 194 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 | 194 view(s)