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25-04-2018, 07:10 AM

RANGER1 replied to a thread When to Oil or grease Gaskets? in Chit Chat & Service Stories

I would use grease on most gaskets for a few reasons. One to hold in position & two to keep suple for easy removal next time like on a compressor. ...

2 replies | 17 view(s)

25-04-2018, 06:47 AM

hookster replied to a thread When to Oil or grease Gaskets? in Chit Chat & Service Stories

I use silicone grease for o-rings, leak-lock on gaskets and fittings for gas tight sealing, copper grease on high temperature gaskets or a molybdenum...

2 replies | 17 view(s)

25-04-2018, 06:12 AM

TrickyRikki started a thread Help with a domestic fridge freezer in Domestic

Hey guys, was wondering if anyone can point me in the right way of finding an issue with a domestic fridge freezer in the UK. I believe the system...

0 replies | 10 view(s)

25-04-2018, 05:38 AM

Grizzly started a thread When to Oil or grease Gaskets? in Chit Chat & Service Stories

Just a general question really, aimed at the newer trained Guys as much as us old timers. I have a colleague who insists on greasing gaskets...

2 replies | 17 view(s)

25-04-2018, 12:18 AM

cadwaladr started a thread Alternatives to 404a in Fundamentals

I have a friend in the industry who has been told by his wholesaler supplier that some new refrigerant can be added to 404a systems when there is...

0 replies | 26 view(s)

24-04-2018, 07:44 PM

frank replied to a thread 4th wire on Daikin VRV inverter compressor. in Air Conditioning

It allows the pcb electronics to measure the rotation speed. It's called a Tacho output. On the newer EC fans motors which have an inbuilt...

2 replies | 100 view(s)

24-04-2018, 07:40 PM

chemi-cool replied to a thread 240v 60hz compressor's on 240v 50hz supply in Fundamentals

Difference between 60hz and 50hz is 17%, it affects speed and capacity. Watt draw will remain almost the same.

2 replies | 66 view(s)

24-04-2018, 06:36 PM

Brian_UK replied to a thread 4th wire on Daikin VRV inverter compressor. in Air Conditioning

Can't really answer this one, sorry but looking at Daikin service manual SiUS39-601 on page 243 they give some check readings across those terminals....

2 replies | 100 view(s)

24-04-2018, 05:49 PM

Brian_UK replied to a thread 240v 60hz compressor's on 240v 50hz supply in Fundamentals

Here's some reading for you from a quick forum search... ...

2 replies | 66 view(s)

24-04-2018, 05:38 PM

Brian_UK replied to a thread climaveneta NECS/B 0302 in New to RE

Assuming that you have the W3000 control fitted a long press on the ALARM key when the alarm is selected should reset the alarm. No guarantees...

1 replies | 53 view(s)

24-04-2018, 03:18 PM

acsgroup started a thread climaveneta NECS/B 0302 in New to RE

Good Afternoon, we are working on climaveneta 0302, does anyone know how we can reset the Run Hours on the chiller pump. Many Thanks

1 replies | 53 view(s)

24-04-2018, 02:43 PM

grizwold50 started a thread 240v 60hz compressor's on 240v 50hz supply in Fundamentals

Hi All Can anyone confirm, if you fitted an 60hz compressor on 50hz supply, would the 60hz compressor run slower, hotter with less capacity than...

2 replies | 66 view(s)

24-04-2018, 01:14 PM

Markie started a thread 4th wire on Daikin VRV inverter compressor. in Air Conditioning

Hi, I have a Daikin VRV RXYQ8MW1B that is tripping its main mcb intermittantly. The inverter compressor has the usual red, white and black wires...

2 replies | 100 view(s)

24-04-2018, 12:50 PM

Grizzly replied to a thread York chiller in Trouble Shooting

Your input is always valued by me my friend. The other Steve seems to have gotten annoyed by my / our input. As we both know being the first to...

13 replies | 319 view(s)

24-04-2018, 07:23 AM

RANGER1 replied to a thread York chiller in Trouble Shooting

Grizzly, value your knowledge & experience as well as everyone else’s sometimes we shoot from the hip because we assume some people something. It...

13 replies | 319 view(s)

24-04-2018, 07:12 AM

Grizzly replied to a thread York chiller in Trouble Shooting

Flow rates are a bench Mark. Which I am sure Steve knows Well Ranger! You can calculate the flow rates using the Kpa diff across the...

13 replies | 319 view(s)

24-04-2018, 07:00 AM

RANGER1 replied to a thread York chiller in Trouble Shooting

So Steve can you add how do we check flow rate in in that range. Special tools & further information about pump, amps, pressures, flow meter, big...

13 replies | 319 view(s)

24-04-2018, 06:55 AM

Grizzly replied to a thread York chiller in Trouble Shooting

I don't know what your experience is so I will forgive your rudeness. I am assuming someones had a bad day? But I work on plenty of Chillers...

13 replies | 319 view(s)

24-04-2018, 02:59 AM

Steve186 replied to a thread Trane rtaf in Technical Discussions

Why see the page ive given the passwords In your iom has it got the llid binding password The proper password. Or do you call trane in

4 replies | 407 view(s)

24-04-2018, 02:43 AM

Steve186 replied to a thread York chiller in Trouble Shooting

I love it when people bang on about flow rates and dont give the design min/max flow rate to help you The design flow rate for the york ylaa0435 se...

13 replies | 319 view(s)

23-04-2018, 11:43 PM

Brian_UK replied to a thread Parallel compressors in Fundamentals

.....Both, capacity controls, oil level controls all can have a bearing on the piping required.

1 replies | 107 view(s)

23-04-2018, 07:13 PM

A.Mortezania started a thread Parallel compressors in Fundamentals

Dear Friends, I have a question. Regarding compressors in parallel systems, Some sources such a ASHRAE emphasize on this matter that beside of...

1 replies | 107 view(s)